[INFO] cloning repository https://github.com/metalim/rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/metalim/rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmetalim%2Frust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmetalim%2Frust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c93a49790f296c5a92bbb98d2d9490d5c724e718
[INFO] building metalim/rust against try#334963c956d25708feab489a3816ae63f639355d for pr-135216-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmetalim%2Frust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/metalim/rust on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/metalim/rust
[INFO] finished tweaking git repo https://github.com/metalim/rust
[INFO] tweaked toml for git repo https://github.com/metalim/rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/metalim/rust 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" "+334963c956d25708feab489a3816ae63f639355d" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38f73ec7b698304ee5f1c44896d2822e5cfb10797ba724894855869c3656c6ee
[INFO] running `Command { std: "docker" "start" "-a" "38f73ec7b698304ee5f1c44896d2822e5cfb10797ba724894855869c3656c6ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38f73ec7b698304ee5f1c44896d2822e5cfb10797ba724894855869c3656c6ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38f73ec7b698304ee5f1c44896d2822e5cfb10797ba724894855869c3656c6ee", kill_on_drop: false }`
[INFO] [stdout] 38f73ec7b698304ee5f1c44896d2822e5cfb10797ba724894855869c3656c6ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adefa6160bfa05b92e276909d24dd7d5791c7ac513b1ebbd45b8628a6d784673
[INFO] running `Command { std: "docker" "start" "-a" "adefa6160bfa05b92e276909d24dd7d5791c7ac513b1ebbd45b8628a6d784673", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Quit` and `Write` are never constructed
[INFO] [stdout]   --> main.rs:41:16
[INFO] [stdout]    |
[INFO] [stdout] 41 | enum Message { Quit, Move { x: i32, y: i32 }, Write(String) }
[INFO] [stdout]    |      -------   ^^^^                           ^^^^^
[INFO] [stdout]    |      |
[INFO] [stdout]    |      variants in this enum
[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 0.34s
[INFO] running `Command { std: "docker" "inspect" "adefa6160bfa05b92e276909d24dd7d5791c7ac513b1ebbd45b8628a6d784673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adefa6160bfa05b92e276909d24dd7d5791c7ac513b1ebbd45b8628a6d784673", kill_on_drop: false }`
[INFO] [stdout] adefa6160bfa05b92e276909d24dd7d5791c7ac513b1ebbd45b8628a6d784673
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6520c7ad0362a05416150f4e769002ee95a9a6d24fa1fea307ccbd4dc102670c
[INFO] running `Command { std: "docker" "start" "-a" "6520c7ad0362a05416150f4e769002ee95a9a6d24fa1fea307ccbd4dc102670c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Quit` and `Write` are never constructed
[INFO] [stdout]   --> main.rs:41:16
[INFO] [stdout]    |
[INFO] [stdout] 41 | enum Message { Quit, Move { x: i32, y: i32 }, Write(String) }
[INFO] [stdout]    |      -------   ^^^^                           ^^^^^
[INFO] [stdout]    |      |
[INFO] [stdout]    |      variants in this enum
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "6520c7ad0362a05416150f4e769002ee95a9a6d24fa1fea307ccbd4dc102670c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6520c7ad0362a05416150f4e769002ee95a9a6d24fa1fea307ccbd4dc102670c", kill_on_drop: false }`
[INFO] [stdout] 6520c7ad0362a05416150f4e769002ee95a9a6d24fa1fea307ccbd4dc102670c