[INFO] fetching crate irksome 0.0.1...
[INFO] testing irksome-0.0.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate irksome 0.0.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate irksome 0.0.1 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 irksome 0.0.1
[INFO] finished tweaking crates.io crate irksome 0.0.1
[INFO] tweaked toml for crates.io crate irksome 0.0.1 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] 2f106f53333e937df949d8b3c62a4ebd28f26280b79963b8bd27e848600e175f
[INFO] running `Command { std: "docker" "start" "-a" "2f106f53333e937df949d8b3c62a4ebd28f26280b79963b8bd27e848600e175f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f106f53333e937df949d8b3c62a4ebd28f26280b79963b8bd27e848600e175f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f106f53333e937df949d8b3c62a4ebd28f26280b79963b8bd27e848600e175f", kill_on_drop: false }`
[INFO] [stdout] 2f106f53333e937df949d8b3c62a4ebd28f26280b79963b8bd27e848600e175f
[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] 0d7274056d551bdac0f66160b29c658d973d51839fee9552bd867b61e26a4ad3
[INFO] running `Command { std: "docker" "start" "-a" "0d7274056d551bdac0f66160b29c658d973d51839fee9552bd867b61e26a4ad3", kill_on_drop: false }`
[INFO] [stderr]    Compiling irksome v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "0d7274056d551bdac0f66160b29c658d973d51839fee9552bd867b61e26a4ad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d7274056d551bdac0f66160b29c658d973d51839fee9552bd867b61e26a4ad3", kill_on_drop: false }`
[INFO] [stdout] 0d7274056d551bdac0f66160b29c658d973d51839fee9552bd867b61e26a4ad3
[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] 4f70964ac1617370662d6c9e2e0525e2cffb427f5b8fd97a9ca3c8305b9bd022
[INFO] running `Command { std: "docker" "start" "-a" "4f70964ac1617370662d6c9e2e0525e2cffb427f5b8fd97a9ca3c8305b9bd022", kill_on_drop: false }`
[INFO] [stderr]    Compiling irksome v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/irksome-b94ccdfb6370b161)
[INFO] running `Command { std: "docker" "inspect" "4f70964ac1617370662d6c9e2e0525e2cffb427f5b8fd97a9ca3c8305b9bd022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f70964ac1617370662d6c9e2e0525e2cffb427f5b8fd97a9ca3c8305b9bd022", kill_on_drop: false }`
[INFO] [stdout] 4f70964ac1617370662d6c9e2e0525e2cffb427f5b8fd97a9ca3c8305b9bd022
[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] 260c4044c8556956e65fedaeb30181ecc9ae62a4a09859fcefcd014090adde7a
[INFO] running `Command { std: "docker" "start" "-a" "260c4044c8556956e65fedaeb30181ecc9ae62a4a09859fcefcd014090adde7a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/irksome-b94ccdfb6370b161)
[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] [stderr]    Doc-tests irksome
[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" "260c4044c8556956e65fedaeb30181ecc9ae62a4a09859fcefcd014090adde7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "260c4044c8556956e65fedaeb30181ecc9ae62a4a09859fcefcd014090adde7a", kill_on_drop: false }`
[INFO] [stdout] 260c4044c8556956e65fedaeb30181ecc9ae62a4a09859fcefcd014090adde7a