[INFO] fetching crate arbtest 0.1.2...
[INFO] testing arbtest-0.1.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate arbtest 0.1.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate arbtest 0.1.2 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 arbtest 0.1.2
[INFO] finished tweaking crates.io crate arbtest 0.1.2
[INFO] tweaked toml for crates.io crate arbtest 0.1.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate arbtest 0.1.2 already has a lockfile, it will not be regenerated
[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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] 78e991c4a87d18346944c967134dd9fe5c09bd1471319cf9449ec59ea42d4aee
[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" "78e991c4a87d18346944c967134dd9fe5c09bd1471319cf9449ec59ea42d4aee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78e991c4a87d18346944c967134dd9fe5c09bd1471319cf9449ec59ea42d4aee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78e991c4a87d18346944c967134dd9fe5c09bd1471319cf9449ec59ea42d4aee", kill_on_drop: false }`
[INFO] [stdout] 78e991c4a87d18346944c967134dd9fe5c09bd1471319cf9449ec59ea42d4aee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] ae5c5421e4db1f9eab929ae32d052714a08075a0149bf351b0cb575805de2a9a
[INFO] running `Command { std: "docker" "start" "-a" "ae5c5421e4db1f9eab929ae32d052714a08075a0149bf351b0cb575805de2a9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling arbitrary v1.1.0
[INFO] [stderr]    Compiling arbtest v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.33s
[INFO] running `Command { std: "docker" "inspect" "ae5c5421e4db1f9eab929ae32d052714a08075a0149bf351b0cb575805de2a9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae5c5421e4db1f9eab929ae32d052714a08075a0149bf351b0cb575805de2a9a", kill_on_drop: false }`
[INFO] [stdout] ae5c5421e4db1f9eab929ae32d052714a08075a0149bf351b0cb575805de2a9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 6bfdad861b2bd7bc0285978cdc966793ed92dd3b24ad3812c22e19e8233f67dc
[INFO] running `Command { std: "docker" "start" "-a" "6bfdad861b2bd7bc0285978cdc966793ed92dd3b24ad3812c22e19e8233f67dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling arbtest v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.44s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/arbtest-5bb9ba07a7b5f3ee)
[INFO] running `Command { std: "docker" "inspect" "6bfdad861b2bd7bc0285978cdc966793ed92dd3b24ad3812c22e19e8233f67dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bfdad861b2bd7bc0285978cdc966793ed92dd3b24ad3812c22e19e8233f67dc", kill_on_drop: false }`
[INFO] [stdout] 6bfdad861b2bd7bc0285978cdc966793ed92dd3b24ad3812c22e19e8233f67dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] f933eafa5dfe38e6cd85cc1707ca614fba5e6e528c9bba43dc239635fbdaf321
[INFO] running `Command { std: "docker" "start" "-a" "f933eafa5dfe38e6cd85cc1707ca614fba5e6e528c9bba43dc239635fbdaf321", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/arbtest-5bb9ba07a7b5f3ee)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests arbtest
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.46s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f933eafa5dfe38e6cd85cc1707ca614fba5e6e528c9bba43dc239635fbdaf321", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f933eafa5dfe38e6cd85cc1707ca614fba5e6e528c9bba43dc239635fbdaf321", kill_on_drop: false }`
[INFO] [stdout] f933eafa5dfe38e6cd85cc1707ca614fba5e6e528c9bba43dc239635fbdaf321