[INFO] cloning repository https://github.com/Zacaria/adventOfCode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Zacaria/adventOfCode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZacaria%2FadventOfCode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZacaria%2FadventOfCode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7750e90d86b395cdd4adb623a1dcf3c29e59a26
[INFO] building Zacaria/adventOfCode against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZacaria%2FadventOfCode" "/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/Zacaria/adventOfCode on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Zacaria/adventOfCode
[INFO] finished tweaking git repo https://github.com/Zacaria/adventOfCode
[INFO] tweaked toml for git repo https://github.com/Zacaria/adventOfCode written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Zacaria/adventOfCode 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded grid v0.6.0
[INFO] [stderr]   Downloaded libc v0.2.110
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5aad576a551c6a88a1fcafd73fa4359674253d77dbdb5e1feb31de2b614b57e9
[INFO] running `Command { std: "docker" "start" "-a" "5aad576a551c6a88a1fcafd73fa4359674253d77dbdb5e1feb31de2b614b57e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5aad576a551c6a88a1fcafd73fa4359674253d77dbdb5e1feb31de2b614b57e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aad576a551c6a88a1fcafd73fa4359674253d77dbdb5e1feb31de2b614b57e9", kill_on_drop: false }`
[INFO] [stdout] 5aad576a551c6a88a1fcafd73fa4359674253d77dbdb5e1feb31de2b614b57e9
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34c9c8ab7969720bb4929aa5c8666303d66463ec10b42b8eea17f9f93b9a0be7
[INFO] running `Command { std: "docker" "start" "-a" "34c9c8ab7969720bb4929aa5c8666303d66463ec10b42b8eea17f9f93b9a0be7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.110
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling no-std-compat v0.4.1
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling grid v0.6.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `print` is never used
[INFO] [stdout]   --> src/day4/day4chall1_2.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn print<T: fmt::Debug> (grid: &Grid<T>) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.78s
[INFO] running `Command { std: "docker" "inspect" "34c9c8ab7969720bb4929aa5c8666303d66463ec10b42b8eea17f9f93b9a0be7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34c9c8ab7969720bb4929aa5c8666303d66463ec10b42b8eea17f9f93b9a0be7", kill_on_drop: false }`
[INFO] [stdout] 34c9c8ab7969720bb4929aa5c8666303d66463ec10b42b8eea17f9f93b9a0be7
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4325ffc64ded6cbaf5ccd7806087ce032a8b813ede592e5add8394d7d6cc1044
[INFO] running `Command { std: "docker" "start" "-a" "4325ffc64ded6cbaf5ccd7806087ce032a8b813ede592e5add8394d7d6cc1044", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "4325ffc64ded6cbaf5ccd7806087ce032a8b813ede592e5add8394d7d6cc1044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4325ffc64ded6cbaf5ccd7806087ce032a8b813ede592e5add8394d7d6cc1044", kill_on_drop: false }`
[INFO] [stdout] 4325ffc64ded6cbaf5ccd7806087ce032a8b813ede592e5add8394d7d6cc1044