[INFO] cloning repository https://github.com/doxxx/aoc2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/doxxx/aoc2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoxxx%2Faoc2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoxxx%2Faoc2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a6079c574a00df7b55e455fac66bc6c46b74242e
[INFO] checking doxxx/aoc2018 against master#b389b0ab72cb0aa9acf4df0ae0c0e12090782da9 for pr-128351-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoxxx%2Faoc2018" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/doxxx/aoc2018 on toolchain b389b0ab72cb0aa9acf4df0ae0c0e12090782da9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b389b0ab72cb0aa9acf4df0ae0c0e12090782da9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/doxxx/aoc2018
[INFO] finished tweaking git repo https://github.com/doxxx/aoc2018
[INFO] tweaked toml for git repo https://github.com/doxxx/aoc2018 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/doxxx/aoc2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b389b0ab72cb0aa9acf4df0ae0c0e12090782da9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+b389b0ab72cb0aa9acf4df0ae0c0e12090782da9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a248146324369ce8f3f71df4fad835504261fa4d5a0abb15fa544898719a0562
[INFO] running `Command { std: "docker" "start" "-a" "a248146324369ce8f3f71df4fad835504261fa4d5a0abb15fa544898719a0562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a248146324369ce8f3f71df4fad835504261fa4d5a0abb15fa544898719a0562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a248146324369ce8f3f71df4fad835504261fa4d5a0abb15fa544898719a0562", kill_on_drop: false }`
[INFO] [stdout] a248146324369ce8f3f71df4fad835504261fa4d5a0abb15fa544898719a0562
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+b389b0ab72cb0aa9acf4df0ae0c0e12090782da9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2dc1bc4988b929e46f536841ca832fb6be5c06e99773bdba4b2eb1ad8dbe3f46
[INFO] running `Command { std: "docker" "start" "-a" "2dc1bc4988b929e46f536841ca832fb6be5c06e99773bdba4b2eb1ad8dbe3f46", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking piston-float v0.3.0
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]     Checking downcast-rs v1.0.3
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]     Checking arrayvec v0.4.8
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking piston-viewport v0.3.0
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]     Checking smallvec v0.6.7
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]     Checking shared v0.1.0 (/opt/rustwide/workdir/shared)
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking shader_version v0.3.0
[INFO] [stderr]     Checking inflate v0.4.4
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking stb_truetype v0.2.5
[INFO] [stderr]     Checking piston-texture v0.6.0
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking vecmath v0.3.1
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking interpolation v0.1.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking read_color v1.0.0
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking day12 v0.1.0 (/opt/rustwide/workdir/day12)
[INFO] [stderr]     Checking day13 v0.1.0 (/opt/rustwide/workdir/day13)
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]     Checking rusttype v0.4.3
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling wayland-scanner v0.20.12
[INFO] [stderr]     Checking day14 v0.1.0 (/opt/rustwide/workdir/day14)
[INFO] [stderr]     Checking day1 v0.1.0 (/opt/rustwide/workdir/day1)
[INFO] [stderr]     Checking day2 v0.1.0 (/opt/rustwide/workdir/day2)
[INFO] [stderr]     Checking day6 v0.1.0 (/opt/rustwide/workdir/day6)
[INFO] [stderr]     Checking day8 v0.1.0 (/opt/rustwide/workdir/day8)
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day8/src/main.rs:33:26
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn build_tree(data: &mut Iterator<Item = usize>) -> Node {
[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]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn build_tree(data: &mut dyn Iterator<Item = usize>) -> Node {
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking piston2d-graphics v0.26.0
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]   --> day8/src/main.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl Node {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 61 |     fn print(&self, indent: usize) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day8/src/main.rs:33:26
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn build_tree(data: &mut Iterator<Item = usize>) -> Node {
[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]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn build_tree(data: &mut dyn Iterator<Item = usize>) -> Node {
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]   --> day8/src/main.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl Node {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 61 |     fn print(&self, indent: usize) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling glutin v0.18.0
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking wayland-sys v0.20.12
[INFO] [stderr]     Checking wayland-commons v0.20.12
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]    Compiling wayland-client v0.20.12
[INFO] [stderr]    Compiling wayland-protocols v0.20.12
[INFO] [stderr]     Checking day7 v0.1.0 (/opt/rustwide/workdir/day7)
[INFO] [stderr]     Checking day9 v0.1.0 (/opt/rustwide/workdir/day9)
[INFO] [stderr]     Checking day4 v0.1.0 (/opt/rustwide/workdir/day4)
[INFO] [stderr]     Checking day3 v0.1.0 (/opt/rustwide/workdir/day3)
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stdout] warning: static variable `re` should have an upper case name
[INFO] [stdout]   --> day7/src/main.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |         static ref re: Regex =
[INFO] [stdout]    |                    ^^ help: convert the identifier to upper case: `RE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> day4/src/main.rs:161:17
[INFO] [stdout]     |
[INFO] [stdout] 161 |             let mut val = minutes.entry(*min).or_insert_with(|| GuardSleepCount{id: guard.id, count: *count});
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `time_re` should have an upper case name
[INFO] [stdout]   --> day4/src/main.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 |         static ref time_re: Regex = Regex::new(r"\[(\d{4})-(\d{2})-(\d{2}) (\d{2}):(\d{2})\]").unwrap();
[INFO] [stdout]    |                    ^^^^^^^ help: convert the identifier to upper case: `TIME_RE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `begins_shift_re` should have an upper case name
[INFO] [stdout]   --> day4/src/main.rs:29:20
[INFO] [stdout]    |
[INFO] [stdout] 29 |         static ref begins_shift_re: Regex = Regex::new(r"Guard #(\d+) begins shift").unwrap();
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BEGINS_SHIFT_RE`
[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: variable does not need to be mutable
[INFO] [stdout]    --> day4/src/main.rs:161:17
[INFO] [stdout]     |
[INFO] [stdout] 161 |             let mut val = minutes.entry(*min).or_insert_with(|| GuardSleepCount{id: guard.id, count: *count});
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `re` should have an upper case name
[INFO] [stdout]   --> day7/src/main.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |         static ref re: Regex =
[INFO] [stdout]    |                    ^^ help: convert the identifier to upper case: `RE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `re` should have an upper case name
[INFO] [stdout]   --> day9/src/main.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |         static ref re: Regex =
[INFO] [stdout]    |                    ^^ help: convert the identifier to upper case: `RE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `time_re` should have an upper case name
[INFO] [stdout]   --> day4/src/main.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 |         static ref time_re: Regex = Regex::new(r"\[(\d{4})-(\d{2})-(\d{2}) (\d{2}):(\d{2})\]").unwrap();
[INFO] [stdout]    |                    ^^^^^^^ help: convert the identifier to upper case: `TIME_RE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `begins_shift_re` should have an upper case name
[INFO] [stdout]   --> day4/src/main.rs:29:20
[INFO] [stdout]    |
[INFO] [stdout] 29 |         static ref begins_shift_re: Regex = Regex::new(r"Guard #(\d+) begins shift").unwrap();
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BEGINS_SHIFT_RE`
[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: static variable `re` should have an upper case name
[INFO] [stdout]   --> day9/src/main.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |         static ref re: Regex =
[INFO] [stdout]    |                    ^^ help: convert the identifier to upper case: `RE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking day11 v0.1.0 (/opt/rustwide/workdir/day11)
[INFO] [stderr]     Checking day5 v0.1.0 (/opt/rustwide/workdir/day5)
[INFO] [stderr]     Checking smithay-client-toolkit v0.3.0
[INFO] [stderr]     Checking winit v0.17.2
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]    Compiling derivative v1.0.2
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]     Checking gfx_core v0.8.3
[INFO] [stderr]     Checking gfx v0.17.1
[INFO] [stderr]     Checking gfx_device_gl v0.15.3
[INFO] [stderr]     Checking piston-gfx_texture v0.34.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.52.0
[INFO] [stderr]     Checking pistoncore-input v0.21.0
[INFO] [stderr]     Checking pistoncore-window v0.32.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.37.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.48.0
[INFO] [stderr]     Checking piston v0.37.0
[INFO] [stderr]     Checking piston_window v0.81.0
[INFO] [stderr]     Checking day10 v0.1.0 (/opt/rustwide/workdir/day10)
[INFO] [stdout] warning: static variable `re` should have an upper case name
[INFO] [stdout]   --> day10/src/main.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |         static ref re: Regex =
[INFO] [stdout]    |                    ^^ help: convert the identifier to upper case: `RE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `re` should have an upper case name
[INFO] [stdout]   --> day10/src/main.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |         static ref re: Regex =
[INFO] [stdout]    |                    ^^ help: convert the identifier to upper case: `RE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.72s
[INFO] running `Command { std: "docker" "inspect" "2dc1bc4988b929e46f536841ca832fb6be5c06e99773bdba4b2eb1ad8dbe3f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dc1bc4988b929e46f536841ca832fb6be5c06e99773bdba4b2eb1ad8dbe3f46", kill_on_drop: false }`
[INFO] [stdout] 2dc1bc4988b929e46f536841ca832fb6be5c06e99773bdba4b2eb1ad8dbe3f46
[INFO] checking doxxx/aoc2018 against try#16d823b1c168ce52c66ccc00dfd686f775a45c65 for pr-128351-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoxxx%2Faoc2018" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/doxxx/aoc2018 on toolchain 16d823b1c168ce52c66ccc00dfd686f775a45c65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16d823b1c168ce52c66ccc00dfd686f775a45c65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/doxxx/aoc2018
[INFO] finished tweaking git repo https://github.com/doxxx/aoc2018
[INFO] tweaked toml for git repo https://github.com/doxxx/aoc2018 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/doxxx/aoc2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16d823b1c168ce52c66ccc00dfd686f775a45c65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+16d823b1c168ce52c66ccc00dfd686f775a45c65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b527b317ffd1e0b40e21bd9a9b4ca053d2ef01bc5751faab1025de0b7107c06
[INFO] running `Command { std: "docker" "start" "-a" "5b527b317ffd1e0b40e21bd9a9b4ca053d2ef01bc5751faab1025de0b7107c06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b527b317ffd1e0b40e21bd9a9b4ca053d2ef01bc5751faab1025de0b7107c06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b527b317ffd1e0b40e21bd9a9b4ca053d2ef01bc5751faab1025de0b7107c06", kill_on_drop: false }`
[INFO] [stdout] 5b527b317ffd1e0b40e21bd9a9b4ca053d2ef01bc5751faab1025de0b7107c06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+16d823b1c168ce52c66ccc00dfd686f775a45c65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 120b9917514078a6d55f8a0f580b51dcfe0672bfe5f9f4fc258fb83c8a4a9846
[INFO] running `Command { std: "docker" "start" "-a" "120b9917514078a6d55f8a0f580b51dcfe0672bfe5f9f4fc258fb83c8a4a9846", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking piston-float v0.3.0
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]     Checking downcast-rs v1.0.3
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking arrayvec v0.4.8
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]     Checking smallvec v0.6.7
[INFO] [stderr]     Checking piston-viewport v0.3.0
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]     Checking shared v0.1.0 (/opt/rustwide/workdir/shared)
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking shader_version v0.3.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking inflate v0.4.4
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking stb_truetype v0.2.5
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking piston-texture v0.6.0
[INFO] [stderr]     Checking vecmath v0.3.1
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]     Checking interpolation v0.1.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking read_color v1.0.0
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling wayland-scanner v0.20.12
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.3.1
[INFO] [stderr]     Checking day12 v0.1.0 (/opt/rustwide/workdir/day12)
[INFO] [stderr]     Checking rusttype v0.4.3
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking day13 v0.1.0 (/opt/rustwide/workdir/day13)
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking piston2d-graphics v0.26.0
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking day6 v0.1.0 (/opt/rustwide/workdir/day6)
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking day14 v0.1.0 (/opt/rustwide/workdir/day14)
[INFO] [stderr]     Checking day1 v0.1.0 (/opt/rustwide/workdir/day1)
[INFO] [stderr]     Checking day2 v0.1.0 (/opt/rustwide/workdir/day2)
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking day8 v0.1.0 (/opt/rustwide/workdir/day8)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day8/src/main.rs:33:26
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn build_tree(data: &mut Iterator<Item = usize>) -> Node {
[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]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn build_tree(data: &mut dyn Iterator<Item = usize>) -> Node {
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day8/src/main.rs:33:26
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn build_tree(data: &mut Iterator<Item = usize>) -> Node {
[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]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn build_tree(data: &mut dyn Iterator<Item = usize>) -> Node {
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]   --> day8/src/main.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl Node {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 61 |     fn print(&self, indent: usize) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]   --> day8/src/main.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl Node {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 61 |     fn print(&self, indent: usize) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]    Compiling wayland-client v0.20.12
[INFO] [stderr]    Compiling wayland-protocols v0.20.12
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking wayland-sys v0.20.12
[INFO] [stderr]    Compiling glutin v0.18.0
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]     Checking wayland-commons v0.20.12
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking day11 v0.1.0 (/opt/rustwide/workdir/day11)
[INFO] [stderr]     Checking day5 v0.1.0 (/opt/rustwide/workdir/day5)
[INFO] [stderr]     Checking day7 v0.1.0 (/opt/rustwide/workdir/day7)
[INFO] [stderr]     Checking day4 v0.1.0 (/opt/rustwide/workdir/day4)
[INFO] [stderr]     Checking day3 v0.1.0 (/opt/rustwide/workdir/day3)
[INFO] [stderr]     Checking day9 v0.1.0 (/opt/rustwide/workdir/day9)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> day4/src/main.rs:161:17
[INFO] [stdout]     |
[INFO] [stdout] 161 |             let mut val = minutes.entry(*min).or_insert_with(|| GuardSleepCount{id: guard.id, count: *count});
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `time_re` should have an upper case name
[INFO] [stdout]   --> day4/src/main.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 |         static ref time_re: Regex = Regex::new(r"\[(\d{4})-(\d{2})-(\d{2}) (\d{2}):(\d{2})\]").unwrap();
[INFO] [stdout]    |                    ^^^^^^^ help: convert the identifier to upper case: `TIME_RE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `begins_shift_re` should have an upper case name
[INFO] [stdout]   --> day4/src/main.rs:29:20
[INFO] [stdout]    |
[INFO] [stdout] 29 |         static ref begins_shift_re: Regex = Regex::new(r"Guard #(\d+) begins shift").unwrap();
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BEGINS_SHIFT_RE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `re` should have an upper case name
[INFO] [stdout]   --> day9/src/main.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |         static ref re: Regex =
[INFO] [stdout]    |                    ^^ help: convert the identifier to upper case: `RE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `re` should have an upper case name
[INFO] [stdout]   --> day7/src/main.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |         static ref re: Regex =
[INFO] [stdout]    |                    ^^ help: convert the identifier to upper case: `RE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `re` should have an upper case name
[INFO] [stdout]   --> day9/src/main.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |         static ref re: Regex =
[INFO] [stdout]    |                    ^^ help: convert the identifier to upper case: `RE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> day4/src/main.rs:161:17
[INFO] [stdout]     |
[INFO] [stdout] 161 |             let mut val = minutes.entry(*min).or_insert_with(|| GuardSleepCount{id: guard.id, count: *count});
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `re` should have an upper case name
[INFO] [stdout]   --> day7/src/main.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |         static ref re: Regex =
[INFO] [stdout]    |                    ^^ help: convert the identifier to upper case: `RE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `time_re` should have an upper case name
[INFO] [stdout]   --> day4/src/main.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 |         static ref time_re: Regex = Regex::new(r"\[(\d{4})-(\d{2})-(\d{2}) (\d{2}):(\d{2})\]").unwrap();
[INFO] [stdout]    |                    ^^^^^^^ help: convert the identifier to upper case: `TIME_RE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `begins_shift_re` should have an upper case name
[INFO] [stdout]   --> day4/src/main.rs:29:20
[INFO] [stdout]    |
[INFO] [stdout] 29 |         static ref begins_shift_re: Regex = Regex::new(r"Guard #(\d+) begins shift").unwrap();
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BEGINS_SHIFT_RE`
[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] [stderr]    Compiling derivative v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking smithay-client-toolkit v0.3.0
[INFO] [stderr]     Checking winit v0.17.2
[INFO] [stderr]     Checking gfx_core v0.8.3
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]     Checking gfx v0.17.1
[INFO] [stderr]     Checking gfx_device_gl v0.15.3
[INFO] [stderr]     Checking piston-gfx_texture v0.34.0
[INFO] [stderr]     Checking pistoncore-input v0.21.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.52.0
[INFO] [stderr]     Checking pistoncore-window v0.32.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.37.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.48.0
[INFO] [stderr]     Checking piston v0.37.0
[INFO] [stderr]     Checking piston_window v0.81.0
[INFO] [stderr]     Checking day10 v0.1.0 (/opt/rustwide/workdir/day10)
[INFO] [stdout] warning: static variable `re` should have an upper case name
[INFO] [stdout]   --> day10/src/main.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |         static ref re: Regex =
[INFO] [stdout]    |                    ^^ help: convert the identifier to upper case: `RE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `re` should have an upper case name
[INFO] [stdout]   --> day10/src/main.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |         static ref re: Regex =
[INFO] [stdout]    |                    ^^ help: convert the identifier to upper case: `RE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.50s
[INFO] running `Command { std: "docker" "inspect" "120b9917514078a6d55f8a0f580b51dcfe0672bfe5f9f4fc258fb83c8a4a9846", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "120b9917514078a6d55f8a0f580b51dcfe0672bfe5f9f4fc258fb83c8a4a9846", kill_on_drop: false }`
[INFO] [stdout] 120b9917514078a6d55f8a0f580b51dcfe0672bfe5f9f4fc258fb83c8a4a9846
