[INFO] fetching crate rust-string-random 0.1.0...
[INFO] testing rust-string-random-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rust-string-random 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rust-string-random 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 rust-string-random 0.1.0
[INFO] finished tweaking crates.io crate rust-string-random 0.1.0
[INFO] tweaked toml for crates.io crate rust-string-random 0.1.0 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 42bec22b0981087dc63eb91382cd7c0d16eac29d65a7c0faa6d94ea936c517f4
[INFO] running `Command { std: "docker" "start" "-a" "42bec22b0981087dc63eb91382cd7c0d16eac29d65a7c0faa6d94ea936c517f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42bec22b0981087dc63eb91382cd7c0d16eac29d65a7c0faa6d94ea936c517f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42bec22b0981087dc63eb91382cd7c0d16eac29d65a7c0faa6d94ea936c517f4", kill_on_drop: false }`
[INFO] [stdout] 42bec22b0981087dc63eb91382cd7c0d16eac29d65a7c0faa6d94ea936c517f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] c779e9d56ed76685b8c91aaa8dad062bfdbea56006ee3b2b1e9f372e894ee37b
[INFO] running `Command { std: "docker" "start" "-a" "c779e9d56ed76685b8c91aaa8dad062bfdbea56006ee3b2b1e9f372e894ee37b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-string-random v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "c779e9d56ed76685b8c91aaa8dad062bfdbea56006ee3b2b1e9f372e894ee37b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c779e9d56ed76685b8c91aaa8dad062bfdbea56006ee3b2b1e9f372e894ee37b", kill_on_drop: false }`
[INFO] [stdout] c779e9d56ed76685b8c91aaa8dad062bfdbea56006ee3b2b1e9f372e894ee37b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 500d24ecb16b6c3fdf6ca3a7743f5fb81569332d6968de00f2332eef002a45f0
[INFO] running `Command { std: "docker" "start" "-a" "500d24ecb16b6c3fdf6ca3a7743f5fb81569332d6968de00f2332eef002a45f0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-string-random v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "500d24ecb16b6c3fdf6ca3a7743f5fb81569332d6968de00f2332eef002a45f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "500d24ecb16b6c3fdf6ca3a7743f5fb81569332d6968de00f2332eef002a45f0", kill_on_drop: false }`
[INFO] [stdout] 500d24ecb16b6c3fdf6ca3a7743f5fb81569332d6968de00f2332eef002a45f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 4604424fcab989a29bc00a2ff148cd220cf64f5e6cbd24e335dd9045d46e6392
[INFO] running `Command { std: "docker" "start" "-a" "4604424fcab989a29bc00a2ff148cd220cf64f5e6cbd24e335dd9045d46e6392", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_string_random-061058bb07cef05b)
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests rust-string-random
[INFO] [stdout] test tests::string_random ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - random (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.52s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4604424fcab989a29bc00a2ff148cd220cf64f5e6cbd24e335dd9045d46e6392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4604424fcab989a29bc00a2ff148cd220cf64f5e6cbd24e335dd9045d46e6392", kill_on_drop: false }`
[INFO] [stdout] 4604424fcab989a29bc00a2ff148cd220cf64f5e6cbd24e335dd9045d46e6392