[INFO] cloning repository https://github.com/AndrewGaspar/aoc-2018-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AndrewGaspar/aoc-2018-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrewGaspar%2Faoc-2018-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrewGaspar%2Faoc-2018-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23c54081c97bcfd4a1acec7569b9472c194bb21c
[INFO] testing AndrewGaspar/aoc-2018-rust against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrewGaspar%2Faoc-2018-rust" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AndrewGaspar/aoc-2018-rust on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AndrewGaspar/aoc-2018-rust
[INFO] finished tweaking git repo https://github.com/AndrewGaspar/aoc-2018-rust
[INFO] tweaked toml for git repo https://github.com/AndrewGaspar/aoc-2018-rust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/AndrewGaspar/aoc-2018-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4673d12f580af160a0c1ae841ab47dd0a7cc09640177573c602de7300882aab4
[INFO] running `Command { std: "docker" "start" "-a" "4673d12f580af160a0c1ae841ab47dd0a7cc09640177573c602de7300882aab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4673d12f580af160a0c1ae841ab47dd0a7cc09640177573c602de7300882aab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4673d12f580af160a0c1ae841ab47dd0a7cc09640177573c602de7300882aab4", kill_on_drop: false }`
[INFO] [stdout] 4673d12f580af160a0c1ae841ab47dd0a7cc09640177573c602de7300882aab4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b3accc5678a9a9451cfdc0e9f1d39f16b83d22035ee1888d62ee9dbf7570399
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5b3accc5678a9a9451cfdc0e9f1d39f16b83d22035ee1888d62ee9dbf7570399", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.4.8
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling regex-syntax v0.6.4
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling ndarray-parallel v0.9.0
[INFO] [stderr]    Compiling day-7 v0.1.0 (/opt/rustwide/workdir/day-7)
[INFO] [stderr]    Compiling day-5 v0.1.0 (/opt/rustwide/workdir/day-5)
[INFO] [stderr]    Compiling day-8 v0.1.0 (/opt/rustwide/workdir/day-8)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-8/src/lib.rs:87:42
[INFO] [stdout]    |
[INFO] [stdout] 87 |     reader: std::io::Split<BufReader<Box<Read>>>,
[INFO] [stdout]    |                                          ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 87 -     reader: std::io::Split<BufReader<Box<Read>>>,
[INFO] [stdout] 87 +     reader: std::io::Split<BufReader<Box<dyn Read>>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-8/src/lib.rs:22:46
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn from_reader(reader: BufReader<Box<Read>>) -> Self {
[INFO] [stdout]    |                                              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 -     pub fn from_reader(reader: BufReader<Box<Read>>) -> Self {
[INFO] [stdout] 22 +     pub fn from_reader(reader: BufReader<Box<dyn Read>>) -> Self {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-8/src/lib.rs:91:38
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn new(reader: BufReader<Box<Read>>) -> Self {
[INFO] [stdout]    |                                      ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 91 -     pub fn new(reader: BufReader<Box<Read>>) -> Self {
[INFO] [stdout] 91 +     pub fn new(reader: BufReader<Box<dyn Read>>) -> Self {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling day-6 v0.1.0 (/opt/rustwide/workdir/day-6)
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling frequency-calculator v0.1.0 (/opt/rustwide/workdir/day-1-puzzle-1)
[INFO] [stderr]    Compiling consistent-guard v0.1.0 (/opt/rustwide/workdir/day-4-puzzle-2)
[INFO] [stderr]    Compiling id-checksum v0.1.0 (/opt/rustwide/workdir/day-2-puzzle-1)
[INFO] [stderr]    Compiling intersections v0.1.0 (/opt/rustwide/workdir/day-3-puzzle-1)
[INFO] [stderr]    Compiling similarity-finder v0.1.0 (/opt/rustwide/workdir/day-2-puzzle-2)
[INFO] [stderr]    Compiling frequency-repetition-finder v0.1.0 (/opt/rustwide/workdir/day-1-puzzle-2)
[INFO] [stderr]    Compiling sleepiest-guard v0.1.0 (/opt/rustwide/workdir/day-4-puzzle-1)
[INFO] [stderr]    Compiling lonely-rectangle v0.1.0 (/opt/rustwide/workdir/day-3-puzzle-2)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-5/src/bin/shortest-polymer.rs:11:35
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 -     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout] 11 +     let mut reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-7/src/bin/parallel-work.rs:11:35
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 -     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout] 11 +     let mut reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-1-puzzle-2/src/main.rs:35:31
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 35 -     let reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout] 35 +     let reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-1-puzzle-1/src/main.rs:10:35
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 -     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout] 10 +     let mut reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> day-5/src/bin/react.rs:9:35
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout]   |                                   ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 9 -     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout] 9 +     let mut reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-2-puzzle-1/src/main.rs:39:35
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 39 -     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout] 39 +     let mut reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-3-puzzle-1/src/main.rs:83:35
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 83 -     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout] 83 +     let mut reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-6/src/bin/central-area.rs:12:35
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 -     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout] 12 +     let mut reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-7/src/bin/task-graph.rs:11:35
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 -     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout] 11 +     let mut reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-2-puzzle-2/src/main.rs:31:31
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 31 -     let reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout] 31 +     let reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-4-puzzle-2/src/main.rs:87:35
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 87 -     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout] 87 +     let mut reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-8/src/bin/node-value.rs:10:31
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 -     let reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout] 10 +     let reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-4-puzzle-1/src/main.rs:87:35
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 87 -     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout] 87 +     let mut reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> day-3-puzzle-1/src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         unsafe { str::from_utf8(&line[0..end_index]) }
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> day-3-puzzle-1/src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub id: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-8/src/bin/sum-metadata.rs:10:31
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 -     let reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout] 10 +     let reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndarray::prelude::*`
[INFO] [stdout]  --> day-3-puzzle-2/src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ndarray::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-6/src/bin/max-finite-area.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 -     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout] 14 +     let mut reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-3-puzzle-2/src/main.rs:92:35
[INFO] [stdout]    |
[INFO] [stdout] 92 |     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout] 92 +     let mut reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> day-3-puzzle-2/src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         unsafe { str::from_utf8(&line[0..end_index]) }
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "5b3accc5678a9a9451cfdc0e9f1d39f16b83d22035ee1888d62ee9dbf7570399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b3accc5678a9a9451cfdc0e9f1d39f16b83d22035ee1888d62ee9dbf7570399", kill_on_drop: false }`
[INFO] [stdout] 5b3accc5678a9a9451cfdc0e9f1d39f16b83d22035ee1888d62ee9dbf7570399
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4684551776a2785a6a1ef8c786dd12eaacc83e6b3c98a80e09de9bb2af8f6f56
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4684551776a2785a6a1ef8c786dd12eaacc83e6b3c98a80e09de9bb2af8f6f56", kill_on_drop: false }`
[INFO] [stderr]    Compiling frequency-repetition-finder v0.1.0 (/opt/rustwide/workdir/day-1-puzzle-2)
[INFO] [stderr]    Compiling day-7 v0.1.0 (/opt/rustwide/workdir/day-7)
[INFO] [stderr]    Compiling sleepiest-guard v0.1.0 (/opt/rustwide/workdir/day-4-puzzle-1)
[INFO] [stderr]    Compiling day-8 v0.1.0 (/opt/rustwide/workdir/day-8)
[INFO] [stderr]    Compiling id-checksum v0.1.0 (/opt/rustwide/workdir/day-2-puzzle-1)
[INFO] [stderr]    Compiling day-5 v0.1.0 (/opt/rustwide/workdir/day-5)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-8/src/lib.rs:87:42
[INFO] [stdout]    |
[INFO] [stdout] 87 |     reader: std::io::Split<BufReader<Box<Read>>>,
[INFO] [stdout]    |                                          ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 87 -     reader: std::io::Split<BufReader<Box<Read>>>,
[INFO] [stdout] 87 +     reader: std::io::Split<BufReader<Box<dyn Read>>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling consistent-guard v0.1.0 (/opt/rustwide/workdir/day-4-puzzle-2)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-8/src/lib.rs:22:46
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn from_reader(reader: BufReader<Box<Read>>) -> Self {
[INFO] [stdout]    |                                              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 -     pub fn from_reader(reader: BufReader<Box<Read>>) -> Self {
[INFO] [stdout] 22 +     pub fn from_reader(reader: BufReader<Box<dyn Read>>) -> Self {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling frequency-calculator v0.1.0 (/opt/rustwide/workdir/day-1-puzzle-1)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-8/src/lib.rs:91:38
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn new(reader: BufReader<Box<Read>>) -> Self {
[INFO] [stdout]    |                                      ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 91 -     pub fn new(reader: BufReader<Box<Read>>) -> Self {
[INFO] [stdout] 91 +     pub fn new(reader: BufReader<Box<dyn Read>>) -> Self {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling similarity-finder v0.1.0 (/opt/rustwide/workdir/day-2-puzzle-2)
[INFO] [stderr]    Compiling lonely-rectangle v0.1.0 (/opt/rustwide/workdir/day-3-puzzle-2)
[INFO] [stderr]    Compiling intersections v0.1.0 (/opt/rustwide/workdir/day-3-puzzle-1)
[INFO] [stderr]    Compiling day-6 v0.1.0 (/opt/rustwide/workdir/day-6)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-2-puzzle-2/src/main.rs:31:31
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 31 -     let reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout] 31 +     let reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-8/src/lib.rs:87:42
[INFO] [stdout]    |
[INFO] [stdout] 87 |     reader: std::io::Split<BufReader<Box<Read>>>,
[INFO] [stdout]    |                                          ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 87 -     reader: std::io::Split<BufReader<Box<Read>>>,
[INFO] [stdout] 87 +     reader: std::io::Split<BufReader<Box<dyn Read>>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-7/src/bin/parallel-work.rs:11:35
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 -     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout] 11 +     let mut reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-8/src/lib.rs:22:46
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn from_reader(reader: BufReader<Box<Read>>) -> Self {
[INFO] [stdout]    |                                              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 -     pub fn from_reader(reader: BufReader<Box<Read>>) -> Self {
[INFO] [stdout] 22 +     pub fn from_reader(reader: BufReader<Box<dyn Read>>) -> Self {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-8/src/lib.rs:91:38
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn new(reader: BufReader<Box<Read>>) -> Self {
[INFO] [stdout]    |                                      ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 91 -     pub fn new(reader: BufReader<Box<Read>>) -> Self {
[INFO] [stdout] 91 +     pub fn new(reader: BufReader<Box<dyn Read>>) -> Self {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-3-puzzle-1/src/main.rs:83:35
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 83 -     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout] 83 +     let mut reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-5/src/bin/shortest-polymer.rs:11:35
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 -     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout] 11 +     let mut reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-4-puzzle-2/src/main.rs:87:35
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 87 -     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout] 87 +     let mut reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-8/src/bin/node-value.rs:10:31
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 -     let reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout] 10 +     let reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> day-5/src/bin/react.rs:9:35
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout]   |                                   ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 9 -     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout] 9 +     let mut reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-2-puzzle-1/src/main.rs:39:35
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 39 -     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout] 39 +     let mut reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndarray::prelude::*`
[INFO] [stdout]  --> day-3-puzzle-2/src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ndarray::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> day-3-puzzle-1/src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         unsafe { str::from_utf8(&line[0..end_index]) }
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> day-3-puzzle-1/src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub id: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-1-puzzle-2/src/main.rs:35:31
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 35 -     let reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout] 35 +     let reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-3-puzzle-2/src/main.rs:92:35
[INFO] [stdout]    |
[INFO] [stdout] 92 |     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout] 92 +     let mut reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-1-puzzle-1/src/main.rs:10:35
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 -     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout] 10 +     let mut reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-4-puzzle-1/src/main.rs:87:35
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 87 -     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout] 87 +     let mut reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> day-3-puzzle-2/src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         unsafe { str::from_utf8(&line[0..end_index]) }
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-8/src/bin/sum-metadata.rs:10:31
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 -     let reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout] 10 +     let reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-6/src/bin/max-finite-area.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 -     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout] 14 +     let mut reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-6/src/bin/central-area.rs:12:35
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 -     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout] 12 +     let mut reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-7/src/bin/task-graph.rs:11:35
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 -     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stdout] 11 +     let mut reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.07s
[INFO] running `Command { std: "docker" "inspect" "4684551776a2785a6a1ef8c786dd12eaacc83e6b3c98a80e09de9bb2af8f6f56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4684551776a2785a6a1ef8c786dd12eaacc83e6b3c98a80e09de9bb2af8f6f56", kill_on_drop: false }`
[INFO] [stdout] 4684551776a2785a6a1ef8c786dd12eaacc83e6b3c98a80e09de9bb2af8f6f56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5f3e1228b8fff64d036ba6384175db3631ba302bec09d24fa3b645bfb759c9aa
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5f3e1228b8fff64d036ba6384175db3631ba302bec09d24fa3b645bfb759c9aa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> day-1-puzzle-2/src/main.rs:35:31
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stderr]    |                               ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 35 -     let reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stderr] 35 +     let reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `frequency-repetition-finder` (bin "frequency-repetition-finder" test) generated 1 warning
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> day-8/src/lib.rs:87:42
[INFO] [stderr]    |
[INFO] [stderr] 87 |     reader: std::io::Split<BufReader<Box<Read>>>,
[INFO] [stderr]    |                                          ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 87 -     reader: std::io::Split<BufReader<Box<Read>>>,
[INFO] [stderr] 87 +     reader: std::io::Split<BufReader<Box<dyn Read>>>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> day-8/src/lib.rs:22:46
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn from_reader(reader: BufReader<Box<Read>>) -> Self {
[INFO] [stderr]    |                                              ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 22 -     pub fn from_reader(reader: BufReader<Box<Read>>) -> Self {
[INFO] [stderr] 22 +     pub fn from_reader(reader: BufReader<Box<dyn Read>>) -> Self {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> day-8/src/lib.rs:91:38
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn new(reader: BufReader<Box<Read>>) -> Self {
[INFO] [stderr]    |                                      ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 91 -     pub fn new(reader: BufReader<Box<Read>>) -> Self {
[INFO] [stderr] 91 +     pub fn new(reader: BufReader<Box<dyn Read>>) -> Self {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ndarray::prelude::*`
[INFO] [stderr]  --> day-3-puzzle-2/src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use ndarray::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> day-3-puzzle-2/src/main.rs:92:35
[INFO] [stderr]    |
[INFO] [stderr] 92 |     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stderr]    |                                   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 92 -     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stderr] 92 +     let mut reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> day-3-puzzle-2/src/main.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         unsafe { str::from_utf8(&line[0..end_index]) }
[INFO] [stderr]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> day-2-puzzle-1/src/main.rs:39:35
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stderr]    |                                   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 39 -     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stderr] 39 +     let mut reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> day-3-puzzle-1/src/main.rs:83:35
[INFO] [stderr]    |
[INFO] [stderr] 83 |     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stderr]    |                                   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 83 -     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stderr] 83 +     let mut reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> day-3-puzzle-1/src/main.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         unsafe { str::from_utf8(&line[0..end_index]) }
[INFO] [stderr]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `id`
[INFO] [stderr]   --> day-3-puzzle-1/src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub id: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> day-1-puzzle-1/src/main.rs:10:35
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stderr]    |                                   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 10 -     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stderr] 10 +     let mut reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> day-2-puzzle-2/src/main.rs:31:31
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stderr]    |                               ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 31 -     let reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stderr] 31 +     let reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] warning: `day-8` (lib) generated 3 warnings
[INFO] [stdout] 
[INFO] [stderr] warning: `lonely-rectangle` (bin "lonely-rectangle" test) generated 3 warnings
[INFO] [stdout] running 0 tests
[INFO] [stderr] warning: `id-checksum` (bin "id-checksum" test) generated 1 warning
[INFO] [stdout] 
[INFO] [stderr] warning: `intersections` (bin "intersections" test) generated 3 warnings
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] warning: `frequency-calculator` (bin "frequency-calculator" test) generated 1 warning
[INFO] [stdout] 
[INFO] [stderr] warning: `similarity-finder` (bin "similarity-finder" test) generated 1 warning
[INFO] [stderr] warning: `day-8` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> day-5/src/bin/react.rs:9:35
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stderr]   |                                   ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 9 -     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stderr] 9 +     let mut reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> day-8/src/bin/node-value.rs:10:31
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stderr]    |                               ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 10 -     let reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stderr] 10 +     let reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> day-4-puzzle-1/src/main.rs:87:35
[INFO] [stderr]    |
[INFO] [stderr] 87 |     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stderr]    |                                   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 87 -     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stderr] 87 +     let mut reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> day-5/src/bin/shortest-polymer.rs:11:35
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stderr]    |                                   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 11 -     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stderr] 11 +     let mut reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> day-8/src/bin/sum-metadata.rs:10:31
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stderr]    |                               ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 10 -     let reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stderr] 10 +     let reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> day-4-puzzle-2/src/main.rs:87:35
[INFO] [stderr]    |
[INFO] [stderr] 87 |     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stderr]    |                                   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 87 -     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stderr] 87 +     let mut reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `day-5` (bin "react" test) generated 1 warning
[INFO] [stderr] warning: `day-8` (bin "node-value" test) generated 1 warning
[INFO] [stderr] warning: `sleepiest-guard` (bin "sleepiest-guard" test) generated 1 warning
[INFO] [stderr] warning: `day-5` (bin "shortest-polymer" test) generated 1 warning
[INFO] [stderr] warning: `day-8` (bin "sum-metadata" test) generated 1 warning
[INFO] [stderr] warning: `consistent-guard` (bin "consistent-guard" test) generated 1 warning
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> day-6/src/bin/max-finite-area.rs:14:35
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stderr]    |                                   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 14 -     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stderr] 14 +     let mut reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> day-7/src/bin/task-graph.rs:11:35
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stderr]    |                                   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 11 -     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stderr] 11 +     let mut reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> day-7/src/bin/parallel-work.rs:11:35
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stderr]    |                                   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 11 -     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stderr] 11 +     let mut reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> day-6/src/bin/central-area.rs:12:35
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stderr]    |                                   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 12 -     let mut reader: BufReader<Box<Read>> = match matches.value_of("input") {
[INFO] [stderr] 12 +     let mut reader: BufReader<Box<dyn Read>> = match matches.value_of("input") {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `day-6` (bin "max-finite-area" test) generated 1 warning
[INFO] [stderr] warning: `day-7` (bin "task-graph" test) generated 1 warning
[INFO] [stderr] warning: `day-7` (bin "parallel-work" test) generated 1 warning
[INFO] [stderr] warning: `day-6` (bin "central-area" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.53s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/consistent_guard-839611dcd81a5b33)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day_5-67161c4955e3cb23)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/react-8e7a3e584ca1ffe5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shortest_polymer-4e2c971b70b1be54)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day_6-3b1f3fa62480afe9)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/central_area-8cc3ed1a1a186ca8)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/max_finite_area-319f334d4d9a8f38)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day_7-a4d21f793b0330d6)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/parallel_work-2f8855691adb15aa)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/task_graph-e51b6eb7935b1314)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day_8-14b0a021439f42dd)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/node_value-397f8e15a2284aeb)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sum_metadata-036e61f549bd1470)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/frequency_calculator-56e253755b3cd92c)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/frequency_repetition_finder-49a814f7e9816a70)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/id_checksum-7fc403f3d8bccf1b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/intersections-c8bf5a68212a08c5)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lonely_rectangle-093a7e054bef1e57)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/similarity_finder-7890e90956333168)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sleepiest_guard-aa2294d4b180e669)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests day-5
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests day-6
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests day-7
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests day-8
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5f3e1228b8fff64d036ba6384175db3631ba302bec09d24fa3b645bfb759c9aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f3e1228b8fff64d036ba6384175db3631ba302bec09d24fa3b645bfb759c9aa", kill_on_drop: false }`
[INFO] [stdout] 5f3e1228b8fff64d036ba6384175db3631ba302bec09d24fa3b645bfb759c9aa