[INFO] fetching crate round_robin 1.0.0...
[INFO] testing round_robin-1.0.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate round_robin 1.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate round_robin 1.0.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91f7c2817c4aa2ce3f9b7a6adf3c0c9af7015654d3766dbc5b9e48b7b8885a4b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "91f7c2817c4aa2ce3f9b7a6adf3c0c9af7015654d3766dbc5b9e48b7b8885a4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91f7c2817c4aa2ce3f9b7a6adf3c0c9af7015654d3766dbc5b9e48b7b8885a4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91f7c2817c4aa2ce3f9b7a6adf3c0c9af7015654d3766dbc5b9e48b7b8885a4b", kill_on_drop: false }`
[INFO] [stdout] 91f7c2817c4aa2ce3f9b7a6adf3c0c9af7015654d3766dbc5b9e48b7b8885a4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d11e6a5e315814eec92366ca5183d900694ebd6967fc49144090b51bca5b397c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d11e6a5e315814eec92366ca5183d900694ebd6967fc49144090b51bca5b397c", kill_on_drop: false }`
[INFO] [stderr]    Compiling round_robin v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "d11e6a5e315814eec92366ca5183d900694ebd6967fc49144090b51bca5b397c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d11e6a5e315814eec92366ca5183d900694ebd6967fc49144090b51bca5b397c", kill_on_drop: false }`
[INFO] [stdout] d11e6a5e315814eec92366ca5183d900694ebd6967fc49144090b51bca5b397c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8342472dbd76ff87e6a0475aa863f51409a06ceb740a60b6deeaa65e77816562
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8342472dbd76ff87e6a0475aa863f51409a06ceb740a60b6deeaa65e77816562", kill_on_drop: false }`
[INFO] [stderr]    Compiling round_robin v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "8342472dbd76ff87e6a0475aa863f51409a06ceb740a60b6deeaa65e77816562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8342472dbd76ff87e6a0475aa863f51409a06ceb740a60b6deeaa65e77816562", kill_on_drop: false }`
[INFO] [stdout] 8342472dbd76ff87e6a0475aa863f51409a06ceb740a60b6deeaa65e77816562
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5b29d1633ad0be7a32ab127897f4f362150586dd898dfc42684a33ff355b0d6d
[INFO] running `Command { std: "docker" "start" "-a" "5b29d1633ad0be7a32ab127897f4f362150586dd898dfc42684a33ff355b0d6d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 5 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/round_robin-e89168b048f6ff23)
[INFO] [stdout] test tests::number_rounds_without_round_trip ... ok
[INFO] [stderr]    Doc-tests round_robin
[INFO] [stdout] test tests::number_games_per_round ... ok
[INFO] [stdout] test tests::first_game_of_first_round_is_first_player_versus_last_player ... 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] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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 0.21s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5b29d1633ad0be7a32ab127897f4f362150586dd898dfc42684a33ff355b0d6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b29d1633ad0be7a32ab127897f4f362150586dd898dfc42684a33ff355b0d6d", kill_on_drop: false }`
[INFO] [stdout] 5b29d1633ad0be7a32ab127897f4f362150586dd898dfc42684a33ff355b0d6d