[INFO] fetching crate string_util 0.1.0...
[INFO] testing string_util-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate string_util 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate string_util 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f94f0f18f61d628ef4d1b745505c0d1d025863d20e92cae3e2b3ac0f31b7c353
[INFO] running `Command { std: "docker" "start" "-a" "f94f0f18f61d628ef4d1b745505c0d1d025863d20e92cae3e2b3ac0f31b7c353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f94f0f18f61d628ef4d1b745505c0d1d025863d20e92cae3e2b3ac0f31b7c353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f94f0f18f61d628ef4d1b745505c0d1d025863d20e92cae3e2b3ac0f31b7c353", kill_on_drop: false }`
[INFO] [stdout] f94f0f18f61d628ef4d1b745505c0d1d025863d20e92cae3e2b3ac0f31b7c353
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8572d8605d9b96e50a6e8f7899eb91dc3ea35de87823ce152eed8a1edc4cce48
[INFO] running `Command { std: "docker" "start" "-a" "8572d8605d9b96e50a6e8f7899eb91dc3ea35de87823ce152eed8a1edc4cce48", kill_on_drop: false }`
[INFO] [stderr]    Compiling string_util v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "8572d8605d9b96e50a6e8f7899eb91dc3ea35de87823ce152eed8a1edc4cce48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8572d8605d9b96e50a6e8f7899eb91dc3ea35de87823ce152eed8a1edc4cce48", kill_on_drop: false }`
[INFO] [stdout] 8572d8605d9b96e50a6e8f7899eb91dc3ea35de87823ce152eed8a1edc4cce48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e2386aaf2aa73caf9d404ccdb733bd76ece94af2ec4ff36b4e7b0b06846adc9
[INFO] running `Command { std: "docker" "start" "-a" "2e2386aaf2aa73caf9d404ccdb733bd76ece94af2ec4ff36b4e7b0b06846adc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling string_util v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "2e2386aaf2aa73caf9d404ccdb733bd76ece94af2ec4ff36b4e7b0b06846adc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e2386aaf2aa73caf9d404ccdb733bd76ece94af2ec4ff36b4e7b0b06846adc9", kill_on_drop: false }`
[INFO] [stdout] 2e2386aaf2aa73caf9d404ccdb733bd76ece94af2ec4ff36b4e7b0b06846adc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 199dbffffb7f5482c3149763662a6312a99a92989362d1fbc9926e0546f0cd4f
[INFO] running `Command { std: "docker" "start" "-a" "199dbffffb7f5482c3149763662a6312a99a92989362d1fbc9926e0546f0cd4f", 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-dc08d1241fe669cf)
[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-e3db07887f8a73d0)
[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 0.22s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "199dbffffb7f5482c3149763662a6312a99a92989362d1fbc9926e0546f0cd4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "199dbffffb7f5482c3149763662a6312a99a92989362d1fbc9926e0546f0cd4f", kill_on_drop: false }`
[INFO] [stdout] 199dbffffb7f5482c3149763662a6312a99a92989362d1fbc9926e0546f0cd4f