[INFO] fetching crate arithmetic-sign 1.0.0...
[INFO] checking arithmetic-sign-1.0.0 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate arithmetic-sign 1.0.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate arithmetic-sign 1.0.0 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arithmetic-sign 1.0.0
[INFO] finished tweaking crates.io crate arithmetic-sign 1.0.0
[INFO] tweaked toml for crates.io crate arithmetic-sign 1.0.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1723cae2ef8b3c0c9dc95132689e36632d633e400b93dbf5361ac5ca23368900
[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" "1723cae2ef8b3c0c9dc95132689e36632d633e400b93dbf5361ac5ca23368900", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1723cae2ef8b3c0c9dc95132689e36632d633e400b93dbf5361ac5ca23368900", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1723cae2ef8b3c0c9dc95132689e36632d633e400b93dbf5361ac5ca23368900", kill_on_drop: false }`
[INFO] [stdout] 1723cae2ef8b3c0c9dc95132689e36632d633e400b93dbf5361ac5ca23368900
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ece2382122c11ef61f73c6ff8760c6ea1100d6c713666954e7a70d3b4cd9cf42
[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" "ece2382122c11ef61f73c6ff8760c6ea1100d6c713666954e7a70d3b4cd9cf42", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking arithmetic-sign v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.77s
[INFO] running `Command { std: "docker" "inspect" "ece2382122c11ef61f73c6ff8760c6ea1100d6c713666954e7a70d3b4cd9cf42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ece2382122c11ef61f73c6ff8760c6ea1100d6c713666954e7a70d3b4cd9cf42", kill_on_drop: false }`
[INFO] [stdout] ece2382122c11ef61f73c6ff8760c6ea1100d6c713666954e7a70d3b4cd9cf42