[INFO] fetching crate lac 0.4.0...
[INFO] testing lac-0.4.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate lac 0.4.0 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate lac 0.4.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lac 0.4.0
[INFO] finished tweaking crates.io crate lac 0.4.0
[INFO] tweaked toml for crates.io crate lac 0.4.0 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate crates.io crate lac 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cpufeatures v0.1.4
[INFO] [stderr]   Downloaded argh_shared v0.1.4
[INFO] [stderr]   Downloaded argh_derive v0.1.4
[INFO] [stderr]   Downloaded claxon v0.4.3
[INFO] [stderr]   Downloaded argh v0.1.4
[INFO] [stderr]   Downloaded sha2 v0.9.5
[INFO] [stderr]   Downloaded value-bag v1.0.0-alpha.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32ab48304f0c427e880aca0aa3eeb8de7859dd28e166ebc62c1d0a5d1876913c
[INFO] running `Command { std: "docker" "start" "-a" "32ab48304f0c427e880aca0aa3eeb8de7859dd28e166ebc62c1d0a5d1876913c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32ab48304f0c427e880aca0aa3eeb8de7859dd28e166ebc62c1d0a5d1876913c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32ab48304f0c427e880aca0aa3eeb8de7859dd28e166ebc62c1d0a5d1876913c", kill_on_drop: false }`
[INFO] [stdout] 32ab48304f0c427e880aca0aa3eeb8de7859dd28e166ebc62c1d0a5d1876913c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da767b9b962ce8260ac47bee8e34f12ab9aae2269aeb7fd40a3601d33a845d11
[INFO] running `Command { std: "docker" "start" "-a" "da767b9b962ce8260ac47bee8e34f12ab9aae2269aeb7fd40a3601d33a845d11", kill_on_drop: false }`
[INFO] [stderr]    Compiling lac v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.76s
[INFO] running `Command { std: "docker" "inspect" "da767b9b962ce8260ac47bee8e34f12ab9aae2269aeb7fd40a3601d33a845d11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da767b9b962ce8260ac47bee8e34f12ab9aae2269aeb7fd40a3601d33a845d11", kill_on_drop: false }`
[INFO] [stdout] da767b9b962ce8260ac47bee8e34f12ab9aae2269aeb7fd40a3601d33a845d11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a36b3ac9d84ed70dd88e6b4a30b4b1cc95bb2a2b54487cf5ab79b8882db9598
[INFO] running `Command { std: "docker" "start" "-a" "7a36b3ac9d84ed70dd88e6b4a30b4b1cc95bb2a2b54487cf5ab79b8882db9598", kill_on_drop: false }`
[INFO] [stderr]    Compiling lac v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "7a36b3ac9d84ed70dd88e6b4a30b4b1cc95bb2a2b54487cf5ab79b8882db9598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a36b3ac9d84ed70dd88e6b4a30b4b1cc95bb2a2b54487cf5ab79b8882db9598", kill_on_drop: false }`
[INFO] [stdout] 7a36b3ac9d84ed70dd88e6b4a30b4b1cc95bb2a2b54487cf5ab79b8882db9598
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dbda825d4b560be3eeace0c89a4a881c6c19b917b0aeae33d56b3160952ed3eb
[INFO] running `Command { std: "docker" "start" "-a" "dbda825d4b560be3eeace0c89a4a881c6c19b917b0aeae33d56b3160952ed3eb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lac-f4afe26c6213ab86)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lac
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dbda825d4b560be3eeace0c89a4a881c6c19b917b0aeae33d56b3160952ed3eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbda825d4b560be3eeace0c89a4a881c6c19b917b0aeae33d56b3160952ed3eb", kill_on_drop: false }`
[INFO] [stdout] dbda825d4b560be3eeace0c89a4a881c6c19b917b0aeae33d56b3160952ed3eb