[INFO] fetching crate learn_rust 0.1.3...
[INFO] testing learn_rust-0.1.3 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate learn_rust 0.1.3 into /workspace/builds/worker-119/source
[INFO] validating manifest of crates.io crate learn_rust 0.1.3 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 learn_rust 0.1.3
[INFO] finished tweaking crates.io crate learn_rust 0.1.3
[INFO] tweaked toml for crates.io crate learn_rust 0.1.3 written to /workspace/builds/worker-119/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] [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-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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] 8611d81c86793fd28dad1c9e268d72a6881d97c1bfc8e99d5cc11bce988fff35
[INFO] running `Command { std: "docker" "start" "-a" "8611d81c86793fd28dad1c9e268d72a6881d97c1bfc8e99d5cc11bce988fff35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8611d81c86793fd28dad1c9e268d72a6881d97c1bfc8e99d5cc11bce988fff35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8611d81c86793fd28dad1c9e268d72a6881d97c1bfc8e99d5cc11bce988fff35", kill_on_drop: false }`
[INFO] [stdout] 8611d81c86793fd28dad1c9e268d72a6881d97c1bfc8e99d5cc11bce988fff35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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] ae7c4d30918cfa9bc9f9807495d2c6cf85d11778b8335e27a44ed18c4bfad334
[INFO] running `Command { std: "docker" "start" "-a" "ae7c4d30918cfa9bc9f9807495d2c6cf85d11778b8335e27a44ed18c4bfad334", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn_rust v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "ae7c4d30918cfa9bc9f9807495d2c6cf85d11778b8335e27a44ed18c4bfad334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae7c4d30918cfa9bc9f9807495d2c6cf85d11778b8335e27a44ed18c4bfad334", kill_on_drop: false }`
[INFO] [stdout] ae7c4d30918cfa9bc9f9807495d2c6cf85d11778b8335e27a44ed18c4bfad334
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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] 4701582af60f38863ce6959de7c5aa3d3171035cf17add71d604a0c66d2039bf
[INFO] running `Command { std: "docker" "start" "-a" "4701582af60f38863ce6959de7c5aa3d3171035cf17add71d604a0c66d2039bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn_rust v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "4701582af60f38863ce6959de7c5aa3d3171035cf17add71d604a0c66d2039bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4701582af60f38863ce6959de7c5aa3d3171035cf17add71d604a0c66d2039bf", kill_on_drop: false }`
[INFO] [stdout] 4701582af60f38863ce6959de7c5aa3d3171035cf17add71d604a0c66d2039bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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] f39dafbabb2a4f7451793cfc1b2207490232c7d5cc5d2ca9699f8fc9a903c4a0
[INFO] running `Command { std: "docker" "start" "-a" "f39dafbabb2a4f7451793cfc1b2207490232c7d5cc5d2ca9699f8fc9a903c4a0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/learn_rust-4034f9d46df6c303)
[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" "f39dafbabb2a4f7451793cfc1b2207490232c7d5cc5d2ca9699f8fc9a903c4a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f39dafbabb2a4f7451793cfc1b2207490232c7d5cc5d2ca9699f8fc9a903c4a0", kill_on_drop: false }`
[INFO] [stdout] f39dafbabb2a4f7451793cfc1b2207490232c7d5cc5d2ca9699f8fc9a903c4a0