[INFO] fetching crate mutex-watersheds 0.1.1...
[INFO] checking mutex-watersheds-0.1.1 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] extracting crate mutex-watersheds 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate mutex-watersheds 0.1.1 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mutex-watersheds 0.1.1
[INFO] finished tweaking crates.io crate mutex-watersheds 0.1.1
[INFO] tweaked toml for crates.io crate mutex-watersheds 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75215dc5949de9fec3db4a4599e2e92a2f496789f85a021efd326fa3505a0e45
[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" "75215dc5949de9fec3db4a4599e2e92a2f496789f85a021efd326fa3505a0e45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75215dc5949de9fec3db4a4599e2e92a2f496789f85a021efd326fa3505a0e45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75215dc5949de9fec3db4a4599e2e92a2f496789f85a021efd326fa3505a0e45", kill_on_drop: false }`
[INFO] [stdout] 75215dc5949de9fec3db4a4599e2e92a2f496789f85a021efd326fa3505a0e45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 393e094cbca5364dcaa472220de6254ba8b7a7f6d4c7598970bbf63f1a50a97f
[INFO] running `Command { std: "docker" "start" "-a" "393e094cbca5364dcaa472220de6254ba8b7a7f6d4c7598970bbf63f1a50a97f", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking disjoint-sets v0.4.2
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking mutex-watersheds v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.21s
[INFO] running `Command { std: "docker" "inspect" "393e094cbca5364dcaa472220de6254ba8b7a7f6d4c7598970bbf63f1a50a97f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "393e094cbca5364dcaa472220de6254ba8b7a7f6d4c7598970bbf63f1a50a97f", kill_on_drop: false }`
[INFO] [stdout] 393e094cbca5364dcaa472220de6254ba8b7a7f6d4c7598970bbf63f1a50a97f