[INFO] fetching crate random-string 1.0.0...
[INFO] testing random-string-1.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate random-string 1.0.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate random-string 1.0.0 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 random-string 1.0.0
[INFO] finished tweaking crates.io crate random-string 1.0.0
[INFO] tweaked toml for crates.io crate random-string 1.0.0 written to /workspace/builds/worker-14/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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] b99a911a65a20fb6da22276990d7288049d51b8ab9087c785c63418c2733acc9
[INFO] running `Command { std: "docker" "start" "-a" "b99a911a65a20fb6da22276990d7288049d51b8ab9087c785c63418c2733acc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b99a911a65a20fb6da22276990d7288049d51b8ab9087c785c63418c2733acc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b99a911a65a20fb6da22276990d7288049d51b8ab9087c785c63418c2733acc9", kill_on_drop: false }`
[INFO] [stdout] b99a911a65a20fb6da22276990d7288049d51b8ab9087c785c63418c2733acc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] dd5abeeae4792b2f47511ee91fb59b310f67a8509cc419847043b5d01a4900df
[INFO] running `Command { std: "docker" "start" "-a" "dd5abeeae4792b2f47511ee91fb59b310f67a8509cc419847043b5d01a4900df", kill_on_drop: false }`
[INFO] [stderr]    Compiling random-string v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "dd5abeeae4792b2f47511ee91fb59b310f67a8509cc419847043b5d01a4900df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd5abeeae4792b2f47511ee91fb59b310f67a8509cc419847043b5d01a4900df", kill_on_drop: false }`
[INFO] [stdout] dd5abeeae4792b2f47511ee91fb59b310f67a8509cc419847043b5d01a4900df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 30df3e6096b4b9eff04d911092b6b2c0a4188d1ed6cc2b2ef1eb9b14d8668bb1
[INFO] running `Command { std: "docker" "start" "-a" "30df3e6096b4b9eff04d911092b6b2c0a4188d1ed6cc2b2ef1eb9b14d8668bb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling random-string v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "30df3e6096b4b9eff04d911092b6b2c0a4188d1ed6cc2b2ef1eb9b14d8668bb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30df3e6096b4b9eff04d911092b6b2c0a4188d1ed6cc2b2ef1eb9b14d8668bb1", kill_on_drop: false }`
[INFO] [stdout] 30df3e6096b4b9eff04d911092b6b2c0a4188d1ed6cc2b2ef1eb9b14d8668bb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 961b0668023e6b96922061cfaf77d965f6a823c159a07b29662cf69a864ae8ae
[INFO] running `Command { std: "docker" "start" "-a" "961b0668023e6b96922061cfaf77d965f6a823c159a07b29662cf69a864ae8ae", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/random_string-75604409c88d527a)
[INFO] [stdout] test tests::ascii_generation ... ok
[INFO] [stderr]    Doc-tests random-string
[INFO] [stdout] test tests::unicode_generation ... 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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/generator.rs - generator::generate (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "961b0668023e6b96922061cfaf77d965f6a823c159a07b29662cf69a864ae8ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "961b0668023e6b96922061cfaf77d965f6a823c159a07b29662cf69a864ae8ae", kill_on_drop: false }`
[INFO] [stdout] 961b0668023e6b96922061cfaf77d965f6a823c159a07b29662cf69a864ae8ae