[INFO] cloning repository https://github.com/AnyTimeTraveler/AdventOfCode2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AnyTimeTraveler/AdventOfCode2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnyTimeTraveler%2FAdventOfCode2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnyTimeTraveler%2FAdventOfCode2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a8bb80b1abd02c86c355ff8375e611888dab3be8
[INFO] checking AnyTimeTraveler/AdventOfCode2019 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnyTimeTraveler%2FAdventOfCode2019" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AnyTimeTraveler/AdventOfCode2019 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AnyTimeTraveler/AdventOfCode2019
[INFO] finished tweaking git repo https://github.com/AnyTimeTraveler/AdventOfCode2019
[INFO] tweaked toml for git repo https://github.com/AnyTimeTraveler/AdventOfCode2019 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/AnyTimeTraveler/AdventOfCode2019 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded autocfg v0.1.7
[INFO] [stderr]   Downloaded ahash v0.2.18
[INFO] [stderr]   Downloaded termion v1.5.4
[INFO] [stderr]   Downloaded vec-tree v0.1.2
[INFO] [stderr]   Downloaded generational-arena v0.2.6
[INFO] [stderr]   Downloaded fixed-map v0.7.1
[INFO] [stderr]   Downloaded fixed-map-derive v0.7.0
[INFO] [stderr]   Downloaded const-random-macro v0.1.6
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.11
[INFO] [stderr]   Downloaded const-random v0.1.6
[INFO] [stderr]   Downloaded hashbrown v0.6.3
[INFO] [stderr]   Downloaded syn v1.0.11
[INFO] [stderr]   Downloaded libc v0.2.66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 027af1981a29f850fd22ad9651e05a23bf9479bb0271dcd5a081ea9095e875ba
[INFO] running `Command { std: "docker" "start" "-a" "027af1981a29f850fd22ad9651e05a23bf9479bb0271dcd5a081ea9095e875ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "027af1981a29f850fd22ad9651e05a23bf9479bb0271dcd5a081ea9095e875ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "027af1981a29f850fd22ad9651e05a23bf9479bb0271dcd5a081ea9095e875ba", kill_on_drop: false }`
[INFO] [stdout] 027af1981a29f850fd22ad9651e05a23bf9479bb0271dcd5a081ea9095e875ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05b4dd4cc349950d7f13933973a2d7844979059e05b1e2d878f09112db685038
[INFO] running `Command { std: "docker" "start" "-a" "05b4dd4cc349950d7f13933973a2d7844979059e05b1e2d878f09112db685038", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking generational-arena v0.2.6
[INFO] [stderr]     Checking vec-tree v0.1.2
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking termion v1.5.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling fixed-map-derive v0.7.0
[INFO] [stderr]    Compiling const-random-macro v0.1.6
[INFO] [stderr]     Checking const-random v0.1.6
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking fixed-map v0.7.1
[INFO] [stderr]     Checking aoc2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/intcode_computer.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |         for mut watch in &mut self.watches {
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/intcode_computer.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |         for mut watch in &mut self.watches {
[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: 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 2.47s
[INFO] running `Command { std: "docker" "inspect" "05b4dd4cc349950d7f13933973a2d7844979059e05b1e2d878f09112db685038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05b4dd4cc349950d7f13933973a2d7844979059e05b1e2d878f09112db685038", kill_on_drop: false }`
[INFO] [stdout] 05b4dd4cc349950d7f13933973a2d7844979059e05b1e2d878f09112db685038