[INFO] fetching crate kr 0.1.0...
[INFO] testing kr-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate kr 0.1.0 into /workspace/builds/worker-89/source
[INFO] validating manifest of crates.io crate kr 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 kr 0.1.0
[INFO] finished tweaking crates.io crate kr 0.1.0
[INFO] tweaked toml for crates.io crate kr 0.1.0 written to /workspace/builds/worker-89/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] 46d367e877b8056e3555d6aeb3705a7941a71801def2d1cf62c35963906f9db1
[INFO] running `Command { std: "docker" "start" "-a" "46d367e877b8056e3555d6aeb3705a7941a71801def2d1cf62c35963906f9db1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46d367e877b8056e3555d6aeb3705a7941a71801def2d1cf62c35963906f9db1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46d367e877b8056e3555d6aeb3705a7941a71801def2d1cf62c35963906f9db1", kill_on_drop: false }`
[INFO] [stdout] 46d367e877b8056e3555d6aeb3705a7941a71801def2d1cf62c35963906f9db1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] b1c9dd1b8a21b38df026b4308e5991060241122f7e2e88a0a48117413f01c54a
[INFO] running `Command { std: "docker" "start" "-a" "b1c9dd1b8a21b38df026b4308e5991060241122f7e2e88a0a48117413f01c54a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling kr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.74s
[INFO] running `Command { std: "docker" "inspect" "b1c9dd1b8a21b38df026b4308e5991060241122f7e2e88a0a48117413f01c54a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1c9dd1b8a21b38df026b4308e5991060241122f7e2e88a0a48117413f01c54a", kill_on_drop: false }`
[INFO] [stdout] b1c9dd1b8a21b38df026b4308e5991060241122f7e2e88a0a48117413f01c54a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] 46dbee22299d535bf876bccbf8bf7635f83312518adca366f7f930172cb4a6f8
[INFO] running `Command { std: "docker" "start" "-a" "46dbee22299d535bf876bccbf8bf7635f83312518adca366f7f930172cb4a6f8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling kr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/kr-2889ee6c9b9eb7ff)
[INFO] running `Command { std: "docker" "inspect" "46dbee22299d535bf876bccbf8bf7635f83312518adca366f7f930172cb4a6f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46dbee22299d535bf876bccbf8bf7635f83312518adca366f7f930172cb4a6f8", kill_on_drop: false }`
[INFO] [stdout] 46dbee22299d535bf876bccbf8bf7635f83312518adca366f7f930172cb4a6f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] 1d35c134ac8952e01efcf926f06640ee7e68367060173b7e893eb7ec0cea2a7a
[INFO] running `Command { std: "docker" "start" "-a" "1d35c134ac8952e01efcf926f06640ee7e68367060173b7e893eb7ec0cea2a7a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kr-2889ee6c9b9eb7ff)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kr
[INFO] [stdout] running 1 test
[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" "1d35c134ac8952e01efcf926f06640ee7e68367060173b7e893eb7ec0cea2a7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d35c134ac8952e01efcf926f06640ee7e68367060173b7e893eb7ec0cea2a7a", kill_on_drop: false }`
[INFO] [stdout] 1d35c134ac8952e01efcf926f06640ee7e68367060173b7e893eb7ec0cea2a7a