[INFO] fetching crate round 0.1.2...
[INFO] testing round-0.1.2 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate round 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate round 0.1.2 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 0.1.2
[INFO] finished tweaking crates.io crate round 0.1.2
[INFO] tweaked toml for crates.io crate round 0.1.2 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] b38a5c5c754375427e6dd2743d2cf9a92cc6c326c9f557a70fc7d041ff80dbef
[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" "b38a5c5c754375427e6dd2743d2cf9a92cc6c326c9f557a70fc7d041ff80dbef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b38a5c5c754375427e6dd2743d2cf9a92cc6c326c9f557a70fc7d041ff80dbef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b38a5c5c754375427e6dd2743d2cf9a92cc6c326c9f557a70fc7d041ff80dbef", kill_on_drop: false }`
[INFO] [stdout] b38a5c5c754375427e6dd2743d2cf9a92cc6c326c9f557a70fc7d041ff80dbef
[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] 94e1a1593e92bd44fa0f447bbec1edfc2c93c8bed149be1961e3fe9b301e02b2
[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" "94e1a1593e92bd44fa0f447bbec1edfc2c93c8bed149be1961e3fe9b301e02b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling round v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "94e1a1593e92bd44fa0f447bbec1edfc2c93c8bed149be1961e3fe9b301e02b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94e1a1593e92bd44fa0f447bbec1edfc2c93c8bed149be1961e3fe9b301e02b2", kill_on_drop: false }`
[INFO] [stdout] 94e1a1593e92bd44fa0f447bbec1edfc2c93c8bed149be1961e3fe9b301e02b2
[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] 66cbab60249088ddffcbfbe12303a9b7191a78ce75a3a5ac2b11b8a764b6b071
[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" "66cbab60249088ddffcbfbe12303a9b7191a78ce75a3a5ac2b11b8a764b6b071", kill_on_drop: false }`
[INFO] [stderr]    Compiling round v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "66cbab60249088ddffcbfbe12303a9b7191a78ce75a3a5ac2b11b8a764b6b071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66cbab60249088ddffcbfbe12303a9b7191a78ce75a3a5ac2b11b8a764b6b071", kill_on_drop: false }`
[INFO] [stdout] 66cbab60249088ddffcbfbe12303a9b7191a78ce75a3a5ac2b11b8a764b6b071
[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] [stdout] 88068301ac673e21a7a8888ced9cf2d8a3420f10ded0cab2f0e78304ebdd871a
[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" "88068301ac673e21a7a8888ced9cf2d8a3420f10ded0cab2f0e78304ebdd871a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/round-969e249919b39d63)
[INFO] [stdout] running 3 tests
[INFO] [stderr]    Doc-tests round
[INFO] [stdout] test tests::test_round ... ok
[INFO] [stdout] test tests::test_round_up ... ok
[INFO] [stdout] test tests::test_round_down ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 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" "88068301ac673e21a7a8888ced9cf2d8a3420f10ded0cab2f0e78304ebdd871a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88068301ac673e21a7a8888ced9cf2d8a3420f10ded0cab2f0e78304ebdd871a", kill_on_drop: false }`
[INFO] [stdout] 88068301ac673e21a7a8888ced9cf2d8a3420f10ded0cab2f0e78304ebdd871a