[INFO] fetching crate rlink 0.5.4...
[INFO] checking rlink-0.5.4 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate rlink 0.5.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rlink 0.5.4 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rlink 0.5.4
[INFO] finished tweaking crates.io crate rlink 0.5.4
[INFO] tweaked toml for crates.io crate rlink 0.5.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbc5d50c67b0a31079a2d86a2731d1e4894c0e3da167764062a6bc6952e75ac0
[INFO] running `Command { std: "docker" "start" "-a" "cbc5d50c67b0a31079a2d86a2731d1e4894c0e3da167764062a6bc6952e75ac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbc5d50c67b0a31079a2d86a2731d1e4894c0e3da167764062a6bc6952e75ac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbc5d50c67b0a31079a2d86a2731d1e4894c0e3da167764062a6bc6952e75ac0", kill_on_drop: false }`
[INFO] [stdout] cbc5d50c67b0a31079a2d86a2731d1e4894c0e3da167764062a6bc6952e75ac0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a5affe794bf3d33e7a74fb73224260a99b509fd26948c9482de1d838f93e805
[INFO] running `Command { std: "docker" "start" "-a" "8a5affe794bf3d33e7a74fb73224260a99b509fd26948c9482de1d838f93e805", kill_on_drop: false }`
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[INFO] [stdout] warning: field is never read: `task_id`
[INFO] [stdout]   --> src/functions/system/system_input_format.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     task_id: TaskId,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `task_id`
[INFO] [stdout]   --> src/functions/system/system_input_format.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     task_id: TaskId,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `Command { std: "docker" "inspect" "8a5affe794bf3d33e7a74fb73224260a99b509fd26948c9482de1d838f93e805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a5affe794bf3d33e7a74fb73224260a99b509fd26948c9482de1d838f93e805", kill_on_drop: false }`
[INFO] [stdout] 8a5affe794bf3d33e7a74fb73224260a99b509fd26948c9482de1d838f93e805