[INFO] fetching crate stringplus 0.1.0...
[INFO] testing stringplus-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate stringplus 0.1.0 into /workspace/builds/worker-30/source
[INFO] validating manifest of crates.io crate stringplus 0.1.0 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 stringplus 0.1.0
[INFO] finished tweaking crates.io crate stringplus 0.1.0
[INFO] tweaked toml for crates.io crate stringplus 0.1.0 written to /workspace/builds/worker-30/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] 2195112e125103206ce3d9ce07fe33b257e1b1ea88bd4e2744742c7b565aa972
[INFO] running `Command { std: "docker" "start" "-a" "2195112e125103206ce3d9ce07fe33b257e1b1ea88bd4e2744742c7b565aa972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2195112e125103206ce3d9ce07fe33b257e1b1ea88bd4e2744742c7b565aa972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2195112e125103206ce3d9ce07fe33b257e1b1ea88bd4e2744742c7b565aa972", kill_on_drop: false }`
[INFO] [stdout] 2195112e125103206ce3d9ce07fe33b257e1b1ea88bd4e2744742c7b565aa972
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] fda933a94effacdffaacebc081e0134d6abc604a7a3b6bc19c64e89f87094c1c
[INFO] running `Command { std: "docker" "start" "-a" "fda933a94effacdffaacebc081e0134d6abc604a7a3b6bc19c64e89f87094c1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling stringplus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "fda933a94effacdffaacebc081e0134d6abc604a7a3b6bc19c64e89f87094c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fda933a94effacdffaacebc081e0134d6abc604a7a3b6bc19c64e89f87094c1c", kill_on_drop: false }`
[INFO] [stdout] fda933a94effacdffaacebc081e0134d6abc604a7a3b6bc19c64e89f87094c1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] 8b1626471e1f4bffa1852f4465a89a22ce6460b80010acc3baaa009e307ad8eb
[INFO] running `Command { std: "docker" "start" "-a" "8b1626471e1f4bffa1852f4465a89a22ce6460b80010acc3baaa009e307ad8eb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling stringplus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "8b1626471e1f4bffa1852f4465a89a22ce6460b80010acc3baaa009e307ad8eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b1626471e1f4bffa1852f4465a89a22ce6460b80010acc3baaa009e307ad8eb", kill_on_drop: false }`
[INFO] [stdout] 8b1626471e1f4bffa1852f4465a89a22ce6460b80010acc3baaa009e307ad8eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] d0c350309e4bed02db73082aaddf9c2a17c3fda5ab7fe3154005faf669aa2858
[INFO] running `Command { std: "docker" "start" "-a" "d0c350309e4bed02db73082aaddf9c2a17c3fda5ab7fe3154005faf669aa2858", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stringplus-df7b5a4dd3643989)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::at ... ok
[INFO] [stdout] test tests::substring ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stringplus
[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" "d0c350309e4bed02db73082aaddf9c2a17c3fda5ab7fe3154005faf669aa2858", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0c350309e4bed02db73082aaddf9c2a17c3fda5ab7fe3154005faf669aa2858", kill_on_drop: false }`
[INFO] [stdout] d0c350309e4bed02db73082aaddf9c2a17c3fda5ab7fe3154005faf669aa2858