[INFO] fetching crate string_util 0.1.0...
[INFO] testing string_util-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate string_util 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate string_util 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate string_util 0.1.0
[INFO] finished tweaking crates.io crate string_util 0.1.0
[INFO] tweaked toml for crates.io crate string_util 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9f3fb3efe6328b84ff911a56e443f6fb47ebe90bdc1dcb2a39443970180bd0f
[INFO] running `Command { std: "docker" "start" "-a" "f9f3fb3efe6328b84ff911a56e443f6fb47ebe90bdc1dcb2a39443970180bd0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9f3fb3efe6328b84ff911a56e443f6fb47ebe90bdc1dcb2a39443970180bd0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9f3fb3efe6328b84ff911a56e443f6fb47ebe90bdc1dcb2a39443970180bd0f", kill_on_drop: false }`
[INFO] [stdout] f9f3fb3efe6328b84ff911a56e443f6fb47ebe90bdc1dcb2a39443970180bd0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 183a8cd8d021dca7c7b7c0bca6041d800efe080b8cb54e503311e3dd35a11359
[INFO] running `Command { std: "docker" "start" "-a" "183a8cd8d021dca7c7b7c0bca6041d800efe080b8cb54e503311e3dd35a11359", kill_on_drop: false }`
[INFO] [stderr]    Compiling string_util v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "183a8cd8d021dca7c7b7c0bca6041d800efe080b8cb54e503311e3dd35a11359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "183a8cd8d021dca7c7b7c0bca6041d800efe080b8cb54e503311e3dd35a11359", kill_on_drop: false }`
[INFO] [stdout] 183a8cd8d021dca7c7b7c0bca6041d800efe080b8cb54e503311e3dd35a11359
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39b9cfd88f0bdd8cd5c0ec6cb9938343b678350500b444e3a9e13dd674a523da
[INFO] running `Command { std: "docker" "start" "-a" "39b9cfd88f0bdd8cd5c0ec6cb9938343b678350500b444e3a9e13dd674a523da", kill_on_drop: false }`
[INFO] [stderr]    Compiling string_util v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "39b9cfd88f0bdd8cd5c0ec6cb9938343b678350500b444e3a9e13dd674a523da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39b9cfd88f0bdd8cd5c0ec6cb9938343b678350500b444e3a9e13dd674a523da", kill_on_drop: false }`
[INFO] [stdout] 39b9cfd88f0bdd8cd5c0ec6cb9938343b678350500b444e3a9e13dd674a523da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6d927e20e5057d2b0c4b3daca5844293e99ebd4e2cbda8f821dd799a8cc3fbd8
[INFO] running `Command { std: "docker" "start" "-a" "6d927e20e5057d2b0c4b3daca5844293e99ebd4e2cbda8f821dd799a8cc3fbd8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/string_util-770ae761a759c828)
[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/int_tests.rs (/opt/rustwide/target/debug/deps/int_tests-9d9315f3b626016c)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test capitalization ... ok
[INFO] [stdout] test vector_to_string ... 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 string_util
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - capitalize (line 10) ... ok
[INFO] [stdout] test src/lib.rs - vec_to_delimited_str (line 50) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6d927e20e5057d2b0c4b3daca5844293e99ebd4e2cbda8f821dd799a8cc3fbd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d927e20e5057d2b0c4b3daca5844293e99ebd4e2cbda8f821dd799a8cc3fbd8", kill_on_drop: false }`
[INFO] [stdout] 6d927e20e5057d2b0c4b3daca5844293e99ebd4e2cbda8f821dd799a8cc3fbd8