[INFO] updating cached repository https://github.com/mookid/rust-adventofcode2017
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6b8300aacb3f428811d0d7aec97f699039a07fe3
[INFO] testing mookid/rust-adventofcode2017 against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmookid%2Frust-adventofcode2017" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mookid/rust-adventofcode2017 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mookid/rust-adventofcode2017
[INFO] finished tweaking git repo https://github.com/mookid/rust-adventofcode2017
[INFO] tweaked toml for git repo https://github.com/mookid/rust-adventofcode2017 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mookid/rust-adventofcode2017 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fe17d23f126ca76dfced135bab32ef81115cec3e07c883ea07a911058a657e55
[INFO] running `"docker" "start" "-a" "fe17d23f126ca76dfced135bab32ef81115cec3e07c883ea07a911058a657e55"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling advent-of-code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/day16-permutation-promenade.rs:13:17
[INFO] [stderr]    |
[INFO] [stderr] 13 |             b'0'...b'9' => true,
[INFO] [stderr]    |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/day9-stream-processing.rs:91:78
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn garbage<S: Iterator<Item = Tok>>(tok: Option<Tok>, str: &mut S) -> Option<(i32)> {
[INFO] [stderr]    |                                                                              ^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/day9-stream-processing.rs:98:86
[INFO] [stderr]    |
[INFO] [stderr] 98 | fn garbage_content<S: Iterator<Item = Tok>>(tok: Option<Tok>, str: &mut S) -> Option<(i32)> {
[INFO] [stderr]    |                                                                                      ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused logical operation that must be used
[INFO] [stderr]   --> src/day13-packet-scanners.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         !input.iter().any(|&(depth,range)| caught(t, depth, range)) && return t;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> src/day4-high-entropy-passphrases.rs:13:17
[INFO] [stderr]    |
[INFO] [stderr] 13 |                 std::mem::replace(tok, chars.iter().collect::<String>());
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/day18-duet.rs:71:48
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn parse_line(line: &str) -> Result<Instr, Box<std::error::Error>> {
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/day18-duet.rs:205:49
[INFO] [stderr]     |
[INFO] [stderr] 205 | fn parse(input: &str) -> Result<Vec<Instr>, Box<std::error::Error>> {
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day22-virus.rs:92:13
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let mut entry = map.entry(xy).or_insert(Status::Clean);
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]   --> src/day3-spiral-memory.rs:20:55
[INFO] [stderr]    |
[INFO] [stderr] 20 |                       CornerKind::DL, CornerKind::DR].into_iter() {
[INFO] [stderr]    |                                                       ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]   --> src/day3-spiral-memory.rs:70:14
[INFO] [stderr]    |
[INFO] [stderr] 70 |             .into_iter()
[INFO] [stderr]    |              ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: unused logical operation that must be used
[INFO] [stderr]   --> src/day3-spiral-memory.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |         n < res && return res;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused logical operation that must be used
[INFO] [stderr]   --> src/day12-digital-plumber.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |         all[i] != -1 && continue;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused logical operation that must be used
[INFO] [stderr]   --> src/day12-digital-plumber.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |             all[node] != -1 && continue;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/day20-particles.rs:64:24
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 &c@b'0'...b'9' =>
[INFO] [stderr]    |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.68s
[INFO] running `"docker" "inspect" "fe17d23f126ca76dfced135bab32ef81115cec3e07c883ea07a911058a657e55"`
[INFO] running `"docker" "rm" "-f" "fe17d23f126ca76dfced135bab32ef81115cec3e07c883ea07a911058a657e55"`
[INFO] [stdout] fe17d23f126ca76dfced135bab32ef81115cec3e07c883ea07a911058a657e55
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 61d564d2faf47fc36de9946f96604cd04731015dd5833c71405a0615c1bd3066
[INFO] running `"docker" "start" "-a" "61d564d2faf47fc36de9946f96604cd04731015dd5833c71405a0615c1bd3066"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling advent-of-code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/day9-stream-processing.rs:91:78
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn garbage<S: Iterator<Item = Tok>>(tok: Option<Tok>, str: &mut S) -> Option<(i32)> {
[INFO] [stderr]    |                                                                              ^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/day9-stream-processing.rs:98:86
[INFO] [stderr]    |
[INFO] [stderr] 98 | fn garbage_content<S: Iterator<Item = Tok>>(tok: Option<Tok>, str: &mut S) -> Option<(i32)> {
[INFO] [stderr]    |                                                                                      ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/day16-permutation-promenade.rs:13:17
[INFO] [stderr]    |
[INFO] [stderr] 13 |             b'0'...b'9' => true,
[INFO] [stderr]    |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]   --> src/day3-spiral-memory.rs:20:55
[INFO] [stderr]    |
[INFO] [stderr] 20 |                       CornerKind::DL, CornerKind::DR].into_iter() {
[INFO] [stderr]    |                                                       ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]   --> src/day3-spiral-memory.rs:70:14
[INFO] [stderr]    |
[INFO] [stderr] 70 |             .into_iter()
[INFO] [stderr]    |              ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: unused logical operation that must be used
[INFO] [stderr]   --> src/day3-spiral-memory.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |         n < res && return res;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused logical operation that must be used
[INFO] [stderr]   --> src/day13-packet-scanners.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         !input.iter().any(|&(depth,range)| caught(t, depth, range)) && return t;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused logical operation that must be used
[INFO] [stderr]   --> src/day12-digital-plumber.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |         all[i] != -1 && continue;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused logical operation that must be used
[INFO] [stderr]   --> src/day12-digital-plumber.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |             all[node] != -1 && continue;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/day20-particles.rs:64:24
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 &c@b'0'...b'9' =>
[INFO] [stderr]    |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/day18-duet.rs:71:48
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn parse_line(line: &str) -> Result<Instr, Box<std::error::Error>> {
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/day18-duet.rs:205:49
[INFO] [stderr]     |
[INFO] [stderr] 205 | fn parse(input: &str) -> Result<Vec<Instr>, Box<std::error::Error>> {
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day22-virus.rs:92:13
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let mut entry = map.entry(xy).or_insert(Status::Clean);
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> src/day4-high-entropy-passphrases.rs:13:17
[INFO] [stderr]    |
[INFO] [stderr] 13 |                 std::mem::replace(tok, chars.iter().collect::<String>());
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `"docker" "inspect" "61d564d2faf47fc36de9946f96604cd04731015dd5833c71405a0615c1bd3066"`
[INFO] running `"docker" "rm" "-f" "61d564d2faf47fc36de9946f96604cd04731015dd5833c71405a0615c1bd3066"`
[INFO] [stdout] 61d564d2faf47fc36de9946f96604cd04731015dd5833c71405a0615c1bd3066
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stdout] c8c02ac3187f278691175ea124c32155c2e16e996630722a023336ffac754746
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "c8c02ac3187f278691175ea124c32155c2e16e996630722a023336ffac754746"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/day20-particles.rs:64:24
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 &c@b'0'...b'9' =>
[INFO] [stderr]    |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/day18-duet.rs:71:48
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn parse_line(line: &str) -> Result<Instr, Box<std::error::Error>> {
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/day18-duet.rs:205:49
[INFO] [stderr]     |
[INFO] [stderr] 205 | fn parse(input: &str) -> Result<Vec<Instr>, Box<std::error::Error>> {
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> src/day4-high-entropy-passphrases.rs:13:17
[INFO] [stderr]    |
[INFO] [stderr] 13 |                 std::mem::replace(tok, chars.iter().collect::<String>());
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/day16-permutation-promenade.rs:13:17
[INFO] [stderr]    |
[INFO] [stderr] 13 |             b'0'...b'9' => true,
[INFO] [stderr]    |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused logical operation that must be used
[INFO] [stderr]   --> src/day12-digital-plumber.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |         all[i] != -1 && continue;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused logical operation that must be used
[INFO] [stderr]   --> src/day12-digital-plumber.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |             all[node] != -1 && continue;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day22-virus.rs:92:13
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let mut entry = map.entry(xy).or_insert(Status::Clean);
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused logical operation that must be used
[INFO] [stderr]   --> src/day13-packet-scanners.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         !input.iter().any(|&(depth,range)| caught(t, depth, range)) && return t;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/day9-stream-processing.rs:91:78
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn garbage<S: Iterator<Item = Tok>>(tok: Option<Tok>, str: &mut S) -> Option<(i32)> {
[INFO] [stderr]    |                                                                              ^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/day9-stream-processing.rs:98:86
[INFO] [stderr]    |
[INFO] [stderr] 98 | fn garbage_content<S: Iterator<Item = Tok>>(tok: Option<Tok>, str: &mut S) -> Option<(i32)> {
[INFO] [stderr]    |                                                                                      ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]   --> src/day3-spiral-memory.rs:20:55
[INFO] [stderr]    |
[INFO] [stderr] 20 |                       CornerKind::DL, CornerKind::DR].into_iter() {
[INFO] [stderr]    |                                                       ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]   --> src/day3-spiral-memory.rs:70:14
[INFO] [stderr]    |
[INFO] [stderr] 70 |             .into_iter()
[INFO] [stderr]    |              ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: unused logical operation that must be used
[INFO] [stderr]   --> src/day3-spiral-memory.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |         n < res && return res;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_input_file() -> Result<String, Box<::std::error::Error>> {
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/advent_of_code-4c1ccc45136961df
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_knot_hash ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/day1-223adab108eed096
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lib::tests::test_knot_hash ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/day10-bbed64f12e9e22a2
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test lib::tests::test_knot_hash ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/day11-12c5ea9c4e9befa0
[INFO] [stdout] test tests::test_pb1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test1 ... ok
[INFO] [stdout] test lib::tests::test_knot_hash ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/day12-8077a3821bf29534
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test1 ... ok
[INFO] [stdout] test lib::tests::test_knot_hash ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/day13-3fed97340a9c7541
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test1 ... ok
[INFO] [stdout] test lib::tests::test_knot_hash ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/day14-515bf0edbaeb757a
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test1 ... ok
[INFO] [stdout] test lib::tests::test_knot_hash ... ok
[INFO] [stdout] test tests::test2 ... ok
[INFO] [stdout] test tests::test3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/day15-59b79aed451f1c1c
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test1 ... ok
[INFO] [stdout] test lib::tests::test_knot_hash ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/day16-3f543e14373b57fa
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/day17-972e4adb16a990e2
[INFO] [stdout] test lib::tests::test_knot_hash ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/day18-1f3766e3cca1f26c
[INFO] [stdout] test lib::tests::test_knot_hash ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test lib::tests::test_knot_hash ... ok
[INFO] [stdout] test test::test ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/day19-0567ef632130d796
[INFO] [stdout] test test::test2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/day2-f5c7148c95c9d094
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test ... ok
[INFO] [stdout] test lib::tests::test_knot_hash ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lib::tests::test_knot_hash ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/day20-0ac41b71b8475bff
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::test2 ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/day21-25dc688279eb90c8
[INFO] [stdout] test lib::tests::test_knot_hash ... ok
[INFO] [stdout] test test::test1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/day22-7f43436862a6a6c4
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test ... ok
[INFO] [stdout] test lib::tests::test_knot_hash ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test::test_parser ... ok
[INFO] [stdout] test test::test_v2_100 ... ok
[INFO] [stdout] test lib::tests::test_knot_hash ... ok
[INFO] [stdout] test test::test_map_state ... ok
[INFO] [stdout] test test::test_nb_infections ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/day3-a9329f12be79bd83
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lib::tests::test_knot_hash ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/day4-4a262bc224a8691d
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lib::tests::test_knot_hash ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/day5-673fa2110bfaf7eb
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lib::tests::test_knot_hash ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/day6-e6d2da25421dfad6
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lib::tests::test_knot_hash ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/day7-743a9453f45199fd
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lib::tests::test_knot_hash ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/day8-7afa4d5a73eaddf7
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lib::tests::test_knot_hash ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/day9-b12fa0aac22f0660
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test tests::test9 ... ok
[INFO] [stdout] test tests::test8 ... ok
[INFO] [stdout] test tests::test7 ... ok
[INFO] [stdout] test tests::test14 ... ok
[INFO] [stdout] test tests::test13 ... ok
[INFO] [stdout] test tests::test12 ... ok
[INFO] [stdout] test tests::test15 ... ok
[INFO] [stdout] test tests::test2 ... ok
[INFO] [stdout] test tests::test3 ... ok
[INFO] [stdout] test tests::test10 ... ok
[INFO] [stdout] test tests::test1 ... ok
[INFO] [stdout] test tests::test11 ... ok
[INFO] [stdout] test tests::test4 ... ok
[INFO] [stdout] test tests::test5 ... ok
[INFO] [stdout] test tests::test6 ... ok
[INFO] [stdout] test lib::tests::test_knot_hash ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests advent-of-code
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c8c02ac3187f278691175ea124c32155c2e16e996630722a023336ffac754746"`
[INFO] running `"docker" "rm" "-f" "c8c02ac3187f278691175ea124c32155c2e16e996630722a023336ffac754746"`
[INFO] [stdout] c8c02ac3187f278691175ea124c32155c2e16e996630722a023336ffac754746