[INFO] fetching crate lwt 0.1.0...
[INFO] checking lwt-0.1.0 against master#d255c6a57c393db6221b1ff700daea478436f1cd for pr-122317
[INFO] extracting crate lwt 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate lwt 0.1.0 on toolchain d255c6a57c393db6221b1ff700daea478436f1cd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d255c6a57c393db6221b1ff700daea478436f1cd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lwt 0.1.0
[INFO] finished tweaking crates.io crate lwt 0.1.0
[INFO] tweaked toml for crates.io crate lwt 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d255c6a57c393db6221b1ff700daea478436f1cd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d255c6a57c393db6221b1ff700daea478436f1cd" "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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d255c6a57c393db6221b1ff700daea478436f1cd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42975b6ef62421a8e4a40c9f992958ee482dae15947881f1282c7889659e4222
[INFO] running `Command { std: "docker" "start" "-a" "42975b6ef62421a8e4a40c9f992958ee482dae15947881f1282c7889659e4222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42975b6ef62421a8e4a40c9f992958ee482dae15947881f1282c7889659e4222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42975b6ef62421a8e4a40c9f992958ee482dae15947881f1282c7889659e4222", kill_on_drop: false }`
[INFO] [stdout] 42975b6ef62421a8e4a40c9f992958ee482dae15947881f1282c7889659e4222
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d255c6a57c393db6221b1ff700daea478436f1cd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0af56c2c51a11e73447c880c2b3c45fb2ef70e9ed88ce55e8d899f90fd57fe8b
[INFO] running `Command { std: "docker" "start" "-a" "0af56c2c51a11e73447c880c2b3c45fb2ef70e9ed88ce55e8d899f90fd57fe8b", kill_on_drop: false }`
[INFO] [stderr]     Checking lwt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "0af56c2c51a11e73447c880c2b3c45fb2ef70e9ed88ce55e8d899f90fd57fe8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0af56c2c51a11e73447c880c2b3c45fb2ef70e9ed88ce55e8d899f90fd57fe8b", kill_on_drop: false }`
[INFO] [stdout] 0af56c2c51a11e73447c880c2b3c45fb2ef70e9ed88ce55e8d899f90fd57fe8b