[INFO] fetching crate ruc 8.0.0...
[INFO] checking ruc-8.0.0 against try#0c7fed2b7584d310ca8221267fa1b3bec4df427f for pr-133502-4
[INFO] extracting crate ruc 8.0.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate ruc 8.0.0 on toolchain 0c7fed2b7584d310ca8221267fa1b3bec4df427f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ruc 8.0.0
[INFO] finished tweaking crates.io crate ruc 8.0.0
[INFO] tweaked toml for crates.io crate ruc 8.0.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate ruc 8.0.0 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" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "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-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79495c932e97505a2375df03d74d29753dc082bd93981c480dbec97bca1a6c8f
[INFO] running `Command { std: "docker" "start" "-a" "79495c932e97505a2375df03d74d29753dc082bd93981c480dbec97bca1a6c8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79495c932e97505a2375df03d74d29753dc082bd93981c480dbec97bca1a6c8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79495c932e97505a2375df03d74d29753dc082bd93981c480dbec97bca1a6c8f", kill_on_drop: false }`
[INFO] [stdout] 79495c932e97505a2375df03d74d29753dc082bd93981c480dbec97bca1a6c8f
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0be1b0b0e6b648a5f5aa62d7d24130d9ca235b48a74c68e7929ef91eb4ee9b2a
[INFO] running `Command { std: "docker" "start" "-a" "0be1b0b0e6b648a5f5aa62d7d24130d9ca235b48a74c68e7929ef91eb4ee9b2a", kill_on_drop: false }`
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]     Checking time-core v0.1.4
[INFO] [stderr]     Checking deranged v0.4.0
[INFO] [stderr]     Checking time v0.3.41
[INFO] [stderr]     Checking ruc v8.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.15s
[INFO] running `Command { std: "docker" "inspect" "0be1b0b0e6b648a5f5aa62d7d24130d9ca235b48a74c68e7929ef91eb4ee9b2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0be1b0b0e6b648a5f5aa62d7d24130d9ca235b48a74c68e7929ef91eb4ee9b2a", kill_on_drop: false }`
[INFO] [stdout] 0be1b0b0e6b648a5f5aa62d7d24130d9ca235b48a74c68e7929ef91eb4ee9b2a