[INFO] fetching crate ret 0.0.0...
[INFO] testing ret-0.0.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate ret 0.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ret 0.0.0 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 ret 0.0.0
[INFO] finished tweaking crates.io crate ret 0.0.0
[INFO] tweaked toml for crates.io crate ret 0.0.0 written to /workspace/builds/worker-0/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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] e68fbe008101bce8129d7533673f3b47dce5a2eb9b9d294544402ae754ebde9c
[INFO] running `Command { std: "docker" "start" "-a" "e68fbe008101bce8129d7533673f3b47dce5a2eb9b9d294544402ae754ebde9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e68fbe008101bce8129d7533673f3b47dce5a2eb9b9d294544402ae754ebde9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e68fbe008101bce8129d7533673f3b47dce5a2eb9b9d294544402ae754ebde9c", kill_on_drop: false }`
[INFO] [stdout] e68fbe008101bce8129d7533673f3b47dce5a2eb9b9d294544402ae754ebde9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 93770b05b1b66c6d01efc10232696e5fbfd8aeefeade620de96a7b3cd9cbf439
[INFO] running `Command { std: "docker" "start" "-a" "93770b05b1b66c6d01efc10232696e5fbfd8aeefeade620de96a7b3cd9cbf439", kill_on_drop: false }`
[INFO] [stderr]    Compiling ret v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "93770b05b1b66c6d01efc10232696e5fbfd8aeefeade620de96a7b3cd9cbf439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93770b05b1b66c6d01efc10232696e5fbfd8aeefeade620de96a7b3cd9cbf439", kill_on_drop: false }`
[INFO] [stdout] 93770b05b1b66c6d01efc10232696e5fbfd8aeefeade620de96a7b3cd9cbf439
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 363743c377b9ed28cc868ac664c1e86217542d4e86af81c5d94ea6de1bb2865d
[INFO] running `Command { std: "docker" "start" "-a" "363743c377b9ed28cc868ac664c1e86217542d4e86af81c5d94ea6de1bb2865d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ret v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "363743c377b9ed28cc868ac664c1e86217542d4e86af81c5d94ea6de1bb2865d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "363743c377b9ed28cc868ac664c1e86217542d4e86af81c5d94ea6de1bb2865d", kill_on_drop: false }`
[INFO] [stdout] 363743c377b9ed28cc868ac664c1e86217542d4e86af81c5d94ea6de1bb2865d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] b74878cbf3858fff065c814ee1cae20a796026a6b2d56f5679adc83aeb4230d0
[INFO] running `Command { std: "docker" "start" "-a" "b74878cbf3858fff065c814ee1cae20a796026a6b2d56f5679adc83aeb4230d0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ret-5e958155fdb1d1ea)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ret
[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] [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" "b74878cbf3858fff065c814ee1cae20a796026a6b2d56f5679adc83aeb4230d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b74878cbf3858fff065c814ee1cae20a796026a6b2d56f5679adc83aeb4230d0", kill_on_drop: false }`
[INFO] [stdout] b74878cbf3858fff065c814ee1cae20a796026a6b2d56f5679adc83aeb4230d0