[INFO] fetching crate shiritori 0.1.1...
[INFO] testing shiritori-0.1.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate shiritori 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate shiritori 0.1.1
[INFO] finished tweaking crates.io crate shiritori 0.1.1
[INFO] tweaked toml for crates.io crate shiritori 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate shiritori 0.1.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate shiritori 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itoa v1.0.1
[INFO] [stderr]   Downloaded getrandom v0.2.6
[INFO] [stderr]   Downloaded ryu v1.0.9
[INFO] [stderr]   Downloaded quote v1.0.18
[INFO] [stderr]   Downloaded proc-macro2 v1.0.37
[INFO] [stderr]   Downloaded unicode-xid v0.2.3
[INFO] [stderr]   Downloaded regex v1.5.5
[INFO] [stderr]   Downloaded syn v1.0.92
[INFO] [stderr]   Downloaded libc v0.2.125
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6937c529a40c860b1c4626a1e855f4b8bc2c42214056a06146b39d9a76e1849
[INFO] running `Command { std: "docker" "start" "-a" "f6937c529a40c860b1c4626a1e855f4b8bc2c42214056a06146b39d9a76e1849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6937c529a40c860b1c4626a1e855f4b8bc2c42214056a06146b39d9a76e1849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6937c529a40c860b1c4626a1e855f4b8bc2c42214056a06146b39d9a76e1849", kill_on_drop: false }`
[INFO] [stdout] f6937c529a40c860b1c4626a1e855f4b8bc2c42214056a06146b39d9a76e1849
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f40e7aae69dd1ff2b395e60c329de7bd84440207e8f4f0055b70c6e8b36beaa2
[INFO] running `Command { std: "docker" "start" "-a" "f40e7aae69dd1ff2b395e60c329de7bd84440207e8f4f0055b70c6e8b36beaa2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling shiritori v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.48s
[INFO] running `Command { std: "docker" "inspect" "f40e7aae69dd1ff2b395e60c329de7bd84440207e8f4f0055b70c6e8b36beaa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f40e7aae69dd1ff2b395e60c329de7bd84440207e8f4f0055b70c6e8b36beaa2", kill_on_drop: false }`
[INFO] [stdout] f40e7aae69dd1ff2b395e60c329de7bd84440207e8f4f0055b70c6e8b36beaa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4136a271832a3e90e903b67fcbab2a2494b61ece119a7a415c7a67f5f5d8a62
[INFO] running `Command { std: "docker" "start" "-a" "f4136a271832a3e90e903b67fcbab2a2494b61ece119a7a415c7a67f5f5d8a62", kill_on_drop: false }`
[INFO] [stderr]    Compiling shiritori v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "f4136a271832a3e90e903b67fcbab2a2494b61ece119a7a415c7a67f5f5d8a62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4136a271832a3e90e903b67fcbab2a2494b61ece119a7a415c7a67f5f5d8a62", kill_on_drop: false }`
[INFO] [stdout] f4136a271832a3e90e903b67fcbab2a2494b61ece119a7a415c7a67f5f5d8a62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d2bd161e16967c2123ebe11db73a94dacc7af6ad45e6dbcfcaa1fbf2f8b22ec9
[INFO] running `Command { std: "docker" "start" "-a" "d2bd161e16967c2123ebe11db73a94dacc7af6ad45e6dbcfcaa1fbf2f8b22ec9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/shiritori-b1997c5f5af1ce2b)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test game::tests::it_judges_first_letter ... ok
[INFO] [stdout] test game::tests::it_goes_next_turn ... ok
[INFO] [stdout] test word::tests::returns_first_letter ... ok
[INFO] [stdout] test game::tests::it_constructs ... ok
[INFO] [stdout] test word::tests::it_constructs ... ok
[INFO] [stdout] test word::tests::returns_last_letter ... ok
[INFO] [stdout] test word::tests::validates ... ok
[INFO] [stdout] test word::word_list::tests::it_returns_word_by_text ... ok
[INFO] [stdout] test word::word_list::tests::it_returns_random_word ... ok
[INFO] [stdout] test word::word_list::tests::it_returns_word_by_prefix ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests bin/generate.rs (/opt/rustwide/target/debug/deps/generate-b8206723ba796641)
[INFO] [stderr]    Doc-tests shiritori
[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] [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" "d2bd161e16967c2123ebe11db73a94dacc7af6ad45e6dbcfcaa1fbf2f8b22ec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2bd161e16967c2123ebe11db73a94dacc7af6ad45e6dbcfcaa1fbf2f8b22ec9", kill_on_drop: false }`
[INFO] [stdout] d2bd161e16967c2123ebe11db73a94dacc7af6ad45e6dbcfcaa1fbf2f8b22ec9