[INFO] fetching crate yarns 0.4.1...
[INFO] testing yarns-0.4.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate yarns 0.4.1 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate yarns 0.4.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yarns 0.4.1
[INFO] finished tweaking crates.io crate yarns 0.4.1
[INFO] tweaked toml for crates.io crate yarns 0.4.1 written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18d52f6a86272c6f8209b22193dd5733d2bccc964f089d76eeee1036a5457f7c
[INFO] running `Command { std: "docker" "start" "-a" "18d52f6a86272c6f8209b22193dd5733d2bccc964f089d76eeee1036a5457f7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18d52f6a86272c6f8209b22193dd5733d2bccc964f089d76eeee1036a5457f7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18d52f6a86272c6f8209b22193dd5733d2bccc964f089d76eeee1036a5457f7c", kill_on_drop: false }`
[INFO] [stdout] 18d52f6a86272c6f8209b22193dd5733d2bccc964f089d76eeee1036a5457f7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f62151481e1d84a6d7852eefe17b89f68459655f81ea8c7d39840db58305d284
[INFO] running `Command { std: "docker" "start" "-a" "f62151481e1d84a6d7852eefe17b89f68459655f81ea8c7d39840db58305d284", kill_on_drop: false }`
[INFO] [stderr]    Compiling yarns v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "f62151481e1d84a6d7852eefe17b89f68459655f81ea8c7d39840db58305d284", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f62151481e1d84a6d7852eefe17b89f68459655f81ea8c7d39840db58305d284", kill_on_drop: false }`
[INFO] [stdout] f62151481e1d84a6d7852eefe17b89f68459655f81ea8c7d39840db58305d284
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8eaffa8877f96677f1497be80780f2e1186ff0babd6f9fabebafbd304c1250af
[INFO] running `Command { std: "docker" "start" "-a" "8eaffa8877f96677f1497be80780f2e1186ff0babd6f9fabebafbd304c1250af", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling yarns v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "8eaffa8877f96677f1497be80780f2e1186ff0babd6f9fabebafbd304c1250af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eaffa8877f96677f1497be80780f2e1186ff0babd6f9fabebafbd304c1250af", kill_on_drop: false }`
[INFO] [stdout] 8eaffa8877f96677f1497be80780f2e1186ff0babd6f9fabebafbd304c1250af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6eb35b71b4befdaea393cd157e2003ab1a2e4e3261eaeb9cdc0841ad9d99d8d4
[INFO] running `Command { std: "docker" "start" "-a" "6eb35b71b4befdaea393cd157e2003ab1a2e4e3261eaeb9cdc0841ad9d99d8d4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/yarns-026b412cc21a5ebb)
[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] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-f466a6148abe0d40)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test main::concat_hello_goodbye ... ok
[INFO] [stdout] test main::contains_hello_hell ... ok
[INFO] [stdout] test main::head_hello_h ... ok
[INFO] [stdout] test main::len_hello ... ok
[INFO] [stdout] test main::substr_hello_1_3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests yarns
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - contains (line 43) ... ok
[INFO] [stdout] test src/lib.rs - concat (line 30) ... ok
[INFO] [stdout] test src/lib.rs - len (line 63) ... ok
[INFO] [stdout] test src/lib.rs - substr (line 17) ... ok
[INFO] [stdout] test src/lib.rs - head (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.43s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6eb35b71b4befdaea393cd157e2003ab1a2e4e3261eaeb9cdc0841ad9d99d8d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eb35b71b4befdaea393cd157e2003ab1a2e4e3261eaeb9cdc0841ad9d99d8d4", kill_on_drop: false }`
[INFO] [stdout] 6eb35b71b4befdaea393cd157e2003ab1a2e4e3261eaeb9cdc0841ad9d99d8d4