[INFO] fetching crate round_robin 1.0.0...
[INFO] testing round_robin-1.0.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate round_robin 1.0.0 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate round_robin 1.0.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate round_robin 1.0.0
[INFO] finished tweaking crates.io crate round_robin 1.0.0
[INFO] tweaked toml for crates.io crate round_robin 1.0.0 written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67e12696e8262fab215cbf6a9ebea49d9fe11a1a7c6baebcb8ff04610e2fdb3b
[INFO] running `Command { std: "docker" "start" "-a" "67e12696e8262fab215cbf6a9ebea49d9fe11a1a7c6baebcb8ff04610e2fdb3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67e12696e8262fab215cbf6a9ebea49d9fe11a1a7c6baebcb8ff04610e2fdb3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67e12696e8262fab215cbf6a9ebea49d9fe11a1a7c6baebcb8ff04610e2fdb3b", kill_on_drop: false }`
[INFO] [stdout] 67e12696e8262fab215cbf6a9ebea49d9fe11a1a7c6baebcb8ff04610e2fdb3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 496e43972a0f2e0de44a6acb089361899386ebc906dfe3d53be477c89fb917b4
[INFO] running `Command { std: "docker" "start" "-a" "496e43972a0f2e0de44a6acb089361899386ebc906dfe3d53be477c89fb917b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling round_robin v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "496e43972a0f2e0de44a6acb089361899386ebc906dfe3d53be477c89fb917b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "496e43972a0f2e0de44a6acb089361899386ebc906dfe3d53be477c89fb917b4", kill_on_drop: false }`
[INFO] [stdout] 496e43972a0f2e0de44a6acb089361899386ebc906dfe3d53be477c89fb917b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b357f0a1249dad4eb39f50e3c586811da33c1816e10f3c8489583e0e8bbd212f
[INFO] running `Command { std: "docker" "start" "-a" "b357f0a1249dad4eb39f50e3c586811da33c1816e10f3c8489583e0e8bbd212f", kill_on_drop: false }`
[INFO] [stderr]    Compiling round_robin v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "b357f0a1249dad4eb39f50e3c586811da33c1816e10f3c8489583e0e8bbd212f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b357f0a1249dad4eb39f50e3c586811da33c1816e10f3c8489583e0e8bbd212f", kill_on_drop: false }`
[INFO] [stdout] b357f0a1249dad4eb39f50e3c586811da33c1816e10f3c8489583e0e8bbd212f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8830909d2de223278ba1b10c0387d2c151c957f3b34a104839c5a66d4567cd86
[INFO] running `Command { std: "docker" "start" "-a" "8830909d2de223278ba1b10c0387d2c151c957f3b34a104839c5a66d4567cd86", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/round_robin-46e5b7d4b441cfeb)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::first_game_of_first_round_is_first_player_versus_last_player ... ok
[INFO] [stdout] test tests::number_games_per_round ... ok
[INFO] [stdout] test tests::first_game_of_last_round_is_first_player_versus_second_player ... ok
[INFO] [stdout] test tests::number_rounds_with_round_trip ... ok
[INFO] [stderr]    Doc-tests round_robin
[INFO] [stdout] test tests::number_rounds_without_round_trip ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stdout] test src/lib.rs - round_robin (line 24) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - round_robin (line 24) stdout ----
[INFO] [stdout] error[E0423]: expected function, found crate `round_robin`
[INFO] [stdout]  --> src/lib.rs:25:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | round_robin(vec!["A".to_string(), "B".to_string(), "C".to_string(), "D".to_string()], false);
[INFO] [stdout]   | ^^^^^^^^^^^ not a function
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function instead
[INFO] [stdout]   |
[INFO] [stdout] 3 | use round_robin::round_robin;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0423`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - round_robin (line 24)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8830909d2de223278ba1b10c0387d2c151c957f3b34a104839c5a66d4567cd86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8830909d2de223278ba1b10c0387d2c151c957f3b34a104839c5a66d4567cd86", kill_on_drop: false }`
[INFO] [stdout] 8830909d2de223278ba1b10c0387d2c151c957f3b34a104839c5a66d4567cd86
