[INFO] fetching crate learn_rust_together 0.1.1...
[INFO] testing learn_rust_together-0.1.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate learn_rust_together 0.1.1 into /workspace/builds/worker-105/source
[INFO] validating manifest of crates.io crate learn_rust_together 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 learn_rust_together 0.1.1
[INFO] finished tweaking crates.io crate learn_rust_together 0.1.1
[INFO] tweaked toml for crates.io crate learn_rust_together 0.1.1 written to /workspace/builds/worker-105/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-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] e61e1202ab3d8bd6dd9caf2df95e50f4f231bcafe6b29e2231ff04836cf40e32
[INFO] running `Command { std: "docker" "start" "-a" "e61e1202ab3d8bd6dd9caf2df95e50f4f231bcafe6b29e2231ff04836cf40e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e61e1202ab3d8bd6dd9caf2df95e50f4f231bcafe6b29e2231ff04836cf40e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e61e1202ab3d8bd6dd9caf2df95e50f4f231bcafe6b29e2231ff04836cf40e32", kill_on_drop: false }`
[INFO] [stdout] e61e1202ab3d8bd6dd9caf2df95e50f4f231bcafe6b29e2231ff04836cf40e32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 58fdc39be76455dab15b62a1fff0cb1b411144bef124fec3e2f61d109e868ebd
[INFO] running `Command { std: "docker" "start" "-a" "58fdc39be76455dab15b62a1fff0cb1b411144bef124fec3e2f61d109e868ebd", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn_rust_together v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "58fdc39be76455dab15b62a1fff0cb1b411144bef124fec3e2f61d109e868ebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58fdc39be76455dab15b62a1fff0cb1b411144bef124fec3e2f61d109e868ebd", kill_on_drop: false }`
[INFO] [stdout] 58fdc39be76455dab15b62a1fff0cb1b411144bef124fec3e2f61d109e868ebd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 8d4470f91f2e1b2e92ba907283e0b1620db5d6f9e5dbdfa1fed88458659152f4
[INFO] running `Command { std: "docker" "start" "-a" "8d4470f91f2e1b2e92ba907283e0b1620db5d6f9e5dbdfa1fed88458659152f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn_rust_together v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "8d4470f91f2e1b2e92ba907283e0b1620db5d6f9e5dbdfa1fed88458659152f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d4470f91f2e1b2e92ba907283e0b1620db5d6f9e5dbdfa1fed88458659152f4", kill_on_drop: false }`
[INFO] [stdout] 8d4470f91f2e1b2e92ba907283e0b1620db5d6f9e5dbdfa1fed88458659152f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] f0552902db4121cc7d347a0651e1fe262f290a1c7adebb1392184df333fa90bb
[INFO] running `Command { std: "docker" "start" "-a" "f0552902db4121cc7d347a0651e1fe262f290a1c7adebb1392184df333fa90bb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/learn_rust_together-be7a32927e1ed9ce)
[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 learn_rust_together
[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" "f0552902db4121cc7d347a0651e1fe262f290a1c7adebb1392184df333fa90bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0552902db4121cc7d347a0651e1fe262f290a1c7adebb1392184df333fa90bb", kill_on_drop: false }`
[INFO] [stdout] f0552902db4121cc7d347a0651e1fe262f290a1c7adebb1392184df333fa90bb