[INFO] fetching crate libf 0.1.0...
[INFO] testing libf-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate libf 0.1.0 into /workspace/builds/worker-39/source
[INFO] validating manifest of crates.io crate libf 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libf 0.1.0
[INFO] finished tweaking crates.io crate libf 0.1.0
[INFO] tweaked toml for crates.io crate libf 0.1.0 written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7598cb09aaf06e43010491fba53c0336946757594713b893ed9d150d2620156a
[INFO] running `Command { std: "docker" "start" "-a" "7598cb09aaf06e43010491fba53c0336946757594713b893ed9d150d2620156a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7598cb09aaf06e43010491fba53c0336946757594713b893ed9d150d2620156a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7598cb09aaf06e43010491fba53c0336946757594713b893ed9d150d2620156a", kill_on_drop: false }`
[INFO] [stdout] 7598cb09aaf06e43010491fba53c0336946757594713b893ed9d150d2620156a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ce4a3ce5cded59d0582ecd44cb6a1fffb98a1580f1ff3d21a0f7676562bf4ac
[INFO] running `Command { std: "docker" "start" "-a" "2ce4a3ce5cded59d0582ecd44cb6a1fffb98a1580f1ff3d21a0f7676562bf4ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling libf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "2ce4a3ce5cded59d0582ecd44cb6a1fffb98a1580f1ff3d21a0f7676562bf4ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ce4a3ce5cded59d0582ecd44cb6a1fffb98a1580f1ff3d21a0f7676562bf4ac", kill_on_drop: false }`
[INFO] [stdout] 2ce4a3ce5cded59d0582ecd44cb6a1fffb98a1580f1ff3d21a0f7676562bf4ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39e7c7e2ddfa7b9ac87ea3749216a6a350fea7a7646780611b3defefb8d9f0c1
[INFO] running `Command { std: "docker" "start" "-a" "39e7c7e2ddfa7b9ac87ea3749216a6a350fea7a7646780611b3defefb8d9f0c1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/libf-fc4611660d6522a4)
[INFO] running `Command { std: "docker" "inspect" "39e7c7e2ddfa7b9ac87ea3749216a6a350fea7a7646780611b3defefb8d9f0c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39e7c7e2ddfa7b9ac87ea3749216a6a350fea7a7646780611b3defefb8d9f0c1", kill_on_drop: false }`
[INFO] [stdout] 39e7c7e2ddfa7b9ac87ea3749216a6a350fea7a7646780611b3defefb8d9f0c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a14c7bb69c9226eabd17b4f806047844af0d2ec2d3f69a9d391b4130f90f666d
[INFO] running `Command { std: "docker" "start" "-a" "a14c7bb69c9226eabd17b4f806047844af0d2ec2d3f69a9d391b4130f90f666d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libf-fc4611660d6522a4)
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests libf
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "a14c7bb69c9226eabd17b4f806047844af0d2ec2d3f69a9d391b4130f90f666d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a14c7bb69c9226eabd17b4f806047844af0d2ec2d3f69a9d391b4130f90f666d", kill_on_drop: false }`
[INFO] [stdout] a14c7bb69c9226eabd17b4f806047844af0d2ec2d3f69a9d391b4130f90f666d