[INFO] fetching crate pi_slab 0.1.0...
[INFO] testing pi_slab-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate pi_slab 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate pi_slab 0.1.0 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 pi_slab 0.1.0
[INFO] finished tweaking crates.io crate pi_slab 0.1.0
[INFO] tweaked toml for crates.io crate pi_slab 0.1.0 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] c274ff6a3594b98def45b9dd2f34f820a865fb666ebe7c43d5d59f12755dcd44
[INFO] running `Command { std: "docker" "start" "-a" "c274ff6a3594b98def45b9dd2f34f820a865fb666ebe7c43d5d59f12755dcd44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c274ff6a3594b98def45b9dd2f34f820a865fb666ebe7c43d5d59f12755dcd44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c274ff6a3594b98def45b9dd2f34f820a865fb666ebe7c43d5d59f12755dcd44", kill_on_drop: false }`
[INFO] [stdout] c274ff6a3594b98def45b9dd2f34f820a865fb666ebe7c43d5d59f12755dcd44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d561e56112399dc2b88f4a18f5b83c4dd2e6ebdc3b20e4de6f7cd31b73d382b7
[INFO] running `Command { std: "docker" "start" "-a" "d561e56112399dc2b88f4a18f5b83c4dd2e6ebdc3b20e4de6f7cd31b73d382b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling pi_slab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "d561e56112399dc2b88f4a18f5b83c4dd2e6ebdc3b20e4de6f7cd31b73d382b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d561e56112399dc2b88f4a18f5b83c4dd2e6ebdc3b20e4de6f7cd31b73d382b7", kill_on_drop: false }`
[INFO] [stdout] d561e56112399dc2b88f4a18f5b83c4dd2e6ebdc3b20e4de6f7cd31b73d382b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 06eaf85b786ff045159a6d075b55cfa87f377d69c82c29bd890204ffee16e73b
[INFO] running `Command { std: "docker" "start" "-a" "06eaf85b786ff045159a6d075b55cfa87f377d69c82c29bd890204ffee16e73b", kill_on_drop: false }`
[INFO] [stderr]    Compiling pi_slab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/pi_slab-bb6aafe9f852ba2c)
[INFO] running `Command { std: "docker" "inspect" "06eaf85b786ff045159a6d075b55cfa87f377d69c82c29bd890204ffee16e73b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06eaf85b786ff045159a6d075b55cfa87f377d69c82c29bd890204ffee16e73b", kill_on_drop: false }`
[INFO] [stdout] 06eaf85b786ff045159a6d075b55cfa87f377d69c82c29bd890204ffee16e73b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2bc64a085987bd9e48944bc0bd0e1d534d0a992138d873c88d99f74cf05b30a8
[INFO] running `Command { std: "docker" "start" "-a" "2bc64a085987bd9e48944bc0bd0e1d534d0a992138d873c88d99f74cf05b30a8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pi_slab-bb6aafe9f852ba2c)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test ... ok
[INFO] [stdout] test test_alloc ... ok
[INFO] [stderr]    Doc-tests pi_slab
[INFO] [stdout] test test_eff ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.96s
[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" "2bc64a085987bd9e48944bc0bd0e1d534d0a992138d873c88d99f74cf05b30a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bc64a085987bd9e48944bc0bd0e1d534d0a992138d873c88d99f74cf05b30a8", kill_on_drop: false }`
[INFO] [stdout] 2bc64a085987bd9e48944bc0bd0e1d534d0a992138d873c88d99f74cf05b30a8