[INFO] fetching crate rust_learn 0.1.1...
[INFO] testing rust_learn-0.1.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate rust_learn 0.1.1 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate rust_learn 0.1.1 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 rust_learn 0.1.1
[INFO] finished tweaking crates.io crate rust_learn 0.1.1
[INFO] tweaked toml for crates.io crate rust_learn 0.1.1 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate crates.io crate rust_learn 0.1.1 already has a lockfile, it will not be regenerated
[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-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 06b4221b0a89b8d8d24790361956535ae5d01db564551bf17bb0792c841b1a47
[INFO] running `Command { std: "docker" "start" "-a" "06b4221b0a89b8d8d24790361956535ae5d01db564551bf17bb0792c841b1a47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06b4221b0a89b8d8d24790361956535ae5d01db564551bf17bb0792c841b1a47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06b4221b0a89b8d8d24790361956535ae5d01db564551bf17bb0792c841b1a47", kill_on_drop: false }`
[INFO] [stdout] 06b4221b0a89b8d8d24790361956535ae5d01db564551bf17bb0792c841b1a47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 8cb49300a0ff246127f1b9f2e6e6649d4eb735b515a81468a6b261fda6bbd566
[INFO] running `Command { std: "docker" "start" "-a" "8cb49300a0ff246127f1b9f2e6e6649d4eb735b515a81468a6b261fda6bbd566", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_learn v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "8cb49300a0ff246127f1b9f2e6e6649d4eb735b515a81468a6b261fda6bbd566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cb49300a0ff246127f1b9f2e6e6649d4eb735b515a81468a6b261fda6bbd566", kill_on_drop: false }`
[INFO] [stdout] 8cb49300a0ff246127f1b9f2e6e6649d4eb735b515a81468a6b261fda6bbd566
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 8a39de0471a42f2443f5c6d976d40c9d096122c4b7eb380f31545a1562674914
[INFO] running `Command { std: "docker" "start" "-a" "8a39de0471a42f2443f5c6d976d40c9d096122c4b7eb380f31545a1562674914", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_learn v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "8a39de0471a42f2443f5c6d976d40c9d096122c4b7eb380f31545a1562674914", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a39de0471a42f2443f5c6d976d40c9d096122c4b7eb380f31545a1562674914", kill_on_drop: false }`
[INFO] [stdout] 8a39de0471a42f2443f5c6d976d40c9d096122c4b7eb380f31545a1562674914
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 3c464b3de17306a606a3e5ea5a7f05b816c6ec6665732421fd1089ba9eb11b12
[INFO] running `Command { std: "docker" "start" "-a" "3c464b3de17306a606a3e5ea5a7f05b816c6ec6665732421fd1089ba9eb11b12", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_learn-fd788afd85cacc91)
[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" "3c464b3de17306a606a3e5ea5a7f05b816c6ec6665732421fd1089ba9eb11b12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c464b3de17306a606a3e5ea5a7f05b816c6ec6665732421fd1089ba9eb11b12", kill_on_drop: false }`
[INFO] [stdout] 3c464b3de17306a606a3e5ea5a7f05b816c6ec6665732421fd1089ba9eb11b12