[INFO] fetching crate lantern 0.1.0...
[INFO] testing lantern-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate lantern 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate lantern 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lantern 0.1.0
[INFO] finished tweaking crates.io crate lantern 0.1.0
[INFO] tweaked toml for crates.io crate lantern 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f0ec22e3a04a44f8ea0a5a0c5ce0a8f55d09b21c5be93025d91702556b6e936
[INFO] running `Command { std: "docker" "start" "-a" "8f0ec22e3a04a44f8ea0a5a0c5ce0a8f55d09b21c5be93025d91702556b6e936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f0ec22e3a04a44f8ea0a5a0c5ce0a8f55d09b21c5be93025d91702556b6e936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f0ec22e3a04a44f8ea0a5a0c5ce0a8f55d09b21c5be93025d91702556b6e936", kill_on_drop: false }`
[INFO] [stdout] 8f0ec22e3a04a44f8ea0a5a0c5ce0a8f55d09b21c5be93025d91702556b6e936
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd4187f15677d39159be8a2b821e76a5dc18950737185f106ca255730619f8d8
[INFO] running `Command { std: "docker" "start" "-a" "bd4187f15677d39159be8a2b821e76a5dc18950737185f106ca255730619f8d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling lantern v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "bd4187f15677d39159be8a2b821e76a5dc18950737185f106ca255730619f8d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd4187f15677d39159be8a2b821e76a5dc18950737185f106ca255730619f8d8", kill_on_drop: false }`
[INFO] [stdout] bd4187f15677d39159be8a2b821e76a5dc18950737185f106ca255730619f8d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eabcafca84d43bc1bb3f9feeae6d166158740a5d93cafd994c9ea224c9574b01
[INFO] running `Command { std: "docker" "start" "-a" "eabcafca84d43bc1bb3f9feeae6d166158740a5d93cafd994c9ea224c9574b01", kill_on_drop: false }`
[INFO] [stderr]    Compiling lantern v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "eabcafca84d43bc1bb3f9feeae6d166158740a5d93cafd994c9ea224c9574b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eabcafca84d43bc1bb3f9feeae6d166158740a5d93cafd994c9ea224c9574b01", kill_on_drop: false }`
[INFO] [stdout] eabcafca84d43bc1bb3f9feeae6d166158740a5d93cafd994c9ea224c9574b01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c2a11246c8518f016201e1e8f82d537c352b50210367e998e271637511cb6331
[INFO] running `Command { std: "docker" "start" "-a" "c2a11246c8518f016201e1e8f82d537c352b50210367e998e271637511cb6331", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lantern-d99134fa7d49232f)
[INFO] [stdout] 
[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] [stderr]    Doc-tests lantern
[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" "c2a11246c8518f016201e1e8f82d537c352b50210367e998e271637511cb6331", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2a11246c8518f016201e1e8f82d537c352b50210367e998e271637511cb6331", kill_on_drop: false }`
[INFO] [stdout] c2a11246c8518f016201e1e8f82d537c352b50210367e998e271637511cb6331