[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] checking metalim/rust against try#334963c956d25708feab489a3816ae63f639355d for pr-135216-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmetalim%2Frust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-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-3-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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 31ad4f7601568db303faa832aa0a0683cd15c615f8de2a42f5bc5e7257334cfc
[INFO] running `Command { std: "docker" "start" "-a" "31ad4f7601568db303faa832aa0a0683cd15c615f8de2a42f5bc5e7257334cfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31ad4f7601568db303faa832aa0a0683cd15c615f8de2a42f5bc5e7257334cfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31ad4f7601568db303faa832aa0a0683cd15c615f8de2a42f5bc5e7257334cfc", kill_on_drop: false }`
[INFO] [stdout] 31ad4f7601568db303faa832aa0a0683cd15c615f8de2a42f5bc5e7257334cfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 105cc2b220a9f30cb7b9ce8bc5347a3afce7718af7b61c6c4e2df01b3a87e52b
[INFO] running `Command { std: "docker" "start" "-a" "105cc2b220a9f30cb7b9ce8bc5347a3afce7718af7b61c6c4e2df01b3a87e52b", kill_on_drop: false }`
[INFO] [stderr]     Checking 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] [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 0.19s
[INFO] running `Command { std: "docker" "inspect" "105cc2b220a9f30cb7b9ce8bc5347a3afce7718af7b61c6c4e2df01b3a87e52b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "105cc2b220a9f30cb7b9ce8bc5347a3afce7718af7b61c6c4e2df01b3a87e52b", kill_on_drop: false }`
[INFO] [stdout] 105cc2b220a9f30cb7b9ce8bc5347a3afce7718af7b61c6c4e2df01b3a87e52b