[INFO] fetching crate u144 0.4.0...
[INFO] testing u144-0.4.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate u144 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate u144 0.4.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate u144 0.4.0
[INFO] finished tweaking crates.io crate u144 0.4.0
[INFO] tweaked toml for crates.io crate u144 0.4.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", 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] 7ede4af28cabb5204df6562b787f7c5b74100a0fe4cda967f0d0efe443b443cd
[INFO] running `Command { std: "docker" "start" "-a" "7ede4af28cabb5204df6562b787f7c5b74100a0fe4cda967f0d0efe443b443cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ede4af28cabb5204df6562b787f7c5b74100a0fe4cda967f0d0efe443b443cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ede4af28cabb5204df6562b787f7c5b74100a0fe4cda967f0d0efe443b443cd", kill_on_drop: false }`
[INFO] [stdout] 7ede4af28cabb5204df6562b787f7c5b74100a0fe4cda967f0d0efe443b443cd
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58b2bd9e4b5e722e745b51475e38ad25ff56362501496c9cdfc02e37c3790549
[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" "58b2bd9e4b5e722e745b51475e38ad25ff56362501496c9cdfc02e37c3790549", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixed-array v0.2.0
[INFO] [stderr]    Compiling uints v0.7.0
[INFO] [stderr]    Compiling u144 v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "58b2bd9e4b5e722e745b51475e38ad25ff56362501496c9cdfc02e37c3790549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58b2bd9e4b5e722e745b51475e38ad25ff56362501496c9cdfc02e37c3790549", kill_on_drop: false }`
[INFO] [stdout] 58b2bd9e4b5e722e745b51475e38ad25ff56362501496c9cdfc02e37c3790549
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", 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] 73eb9136ff6f266e71f1f00408c36fb7741309fe51a916cc4441c7be7b2ef7fa
[INFO] running `Command { std: "docker" "start" "-a" "73eb9136ff6f266e71f1f00408c36fb7741309fe51a916cc4441c7be7b2ef7fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling u144 v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/u144-5b5972900272d2fa)
[INFO] running `Command { std: "docker" "inspect" "73eb9136ff6f266e71f1f00408c36fb7741309fe51a916cc4441c7be7b2ef7fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73eb9136ff6f266e71f1f00408c36fb7741309fe51a916cc4441c7be7b2ef7fa", kill_on_drop: false }`
[INFO] [stdout] 73eb9136ff6f266e71f1f00408c36fb7741309fe51a916cc4441c7be7b2ef7fa
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 14788c45fb49c2c19f6e415a8b408ce695a91140dcb206919163b3ead12a5b73
[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" "14788c45fb49c2c19f6e415a8b408ce695a91140dcb206919163b3ead12a5b73", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/u144-5b5972900272d2fa)
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::log2_test ... ok
[INFO] [stdout] test tests::subtract ... ok
[INFO] [stdout] test tests::add ... ok
[INFO] [stdout] test tests::trailing_zeros ... ok
[INFO] [stdout] test tests::count_ones ... ok
[INFO] [stdout] test tests::ord ... ok
[INFO] [stdout] test tests::leading_zeros ... ok
[INFO] [stderr]    Doc-tests u144
[INFO] [stdout] test tests::set ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "14788c45fb49c2c19f6e415a8b408ce695a91140dcb206919163b3ead12a5b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14788c45fb49c2c19f6e415a8b408ce695a91140dcb206919163b3ead12a5b73", kill_on_drop: false }`
[INFO] [stdout] 14788c45fb49c2c19f6e415a8b408ce695a91140dcb206919163b3ead12a5b73