[INFO] fetching crate token-ref-cell 0.1.1...
[INFO] checking token-ref-cell-0.1.1 against try#5e7498e6740d105521420ac0ab146e2c7a21596d for pr-138363
[INFO] extracting crate token-ref-cell 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate token-ref-cell 0.1.1 on toolchain 5e7498e6740d105521420ac0ab146e2c7a21596d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate token-ref-cell 0.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate token-ref-cell 0.1.1
[INFO] tweaked toml for crates.io crate token-ref-cell 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate token-ref-cell 0.1.1 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" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a5c3ca5d2952fc894c76910b2f21fb2a736004e81be54e963dda5a3f81e6704
[INFO] running `Command { std: "docker" "start" "-a" "0a5c3ca5d2952fc894c76910b2f21fb2a736004e81be54e963dda5a3f81e6704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a5c3ca5d2952fc894c76910b2f21fb2a736004e81be54e963dda5a3f81e6704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a5c3ca5d2952fc894c76910b2f21fb2a736004e81be54e963dda5a3f81e6704", kill_on_drop: false }`
[INFO] [stdout] 0a5c3ca5d2952fc894c76910b2f21fb2a736004e81be54e963dda5a3f81e6704
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a69208c9c2d1b4baeb4c2897868428ccc09b7b359a4403fc316d9b703b7eff7
[INFO] running `Command { std: "docker" "start" "-a" "6a69208c9c2d1b4baeb4c2897868428ccc09b7b359a4403fc316d9b703b7eff7", kill_on_drop: false }`
[INFO] [stderr]     Checking token-ref-cell v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "6a69208c9c2d1b4baeb4c2897868428ccc09b7b359a4403fc316d9b703b7eff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a69208c9c2d1b4baeb4c2897868428ccc09b7b359a4403fc316d9b703b7eff7", kill_on_drop: false }`
[INFO] [stdout] 6a69208c9c2d1b4baeb4c2897868428ccc09b7b359a4403fc316d9b703b7eff7