[INFO] cloning repository https://github.com/smeinhard/unrusty
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/smeinhard/unrusty" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmeinhard%2Funrusty", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmeinhard%2Funrusty'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54a6aa0a6f2a7545188578f31f59db8a825067d0
[INFO] checking smeinhard/unrusty against master#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmeinhard%2Funrusty" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/smeinhard/unrusty on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/smeinhard/unrusty
[INFO] finished tweaking git repo https://github.com/smeinhard/unrusty
[INFO] tweaked toml for git repo https://github.com/smeinhard/unrusty written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/smeinhard/unrusty already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "fetch" "--locked" "--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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63b1ee5a54043164537f39f4a1e33d4122d5bfda7d2a69a801f02ee87df8dfb1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "63b1ee5a54043164537f39f4a1e33d4122d5bfda7d2a69a801f02ee87df8dfb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63b1ee5a54043164537f39f4a1e33d4122d5bfda7d2a69a801f02ee87df8dfb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63b1ee5a54043164537f39f4a1e33d4122d5bfda7d2a69a801f02ee87df8dfb1", kill_on_drop: false }`
[INFO] [stdout] 63b1ee5a54043164537f39f4a1e33d4122d5bfda7d2a69a801f02ee87df8dfb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f7b4cc43896371d550cd6b67723f685f7adfeb5f6f63b3c8d7b128e1df64038
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0f7b4cc43896371d550cd6b67723f685f7adfeb5f6f63b3c8d7b128e1df64038", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking serde_yaml v0.8.14
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking unrusty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.76s
[INFO] running `Command { std: "docker" "inspect" "0f7b4cc43896371d550cd6b67723f685f7adfeb5f6f63b3c8d7b128e1df64038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f7b4cc43896371d550cd6b67723f685f7adfeb5f6f63b3c8d7b128e1df64038", kill_on_drop: false }`
[INFO] [stdout] 0f7b4cc43896371d550cd6b67723f685f7adfeb5f6f63b3c8d7b128e1df64038