[INFO] fetching crate liu 0.0.1...
[INFO] testing liu-0.0.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate liu 0.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate liu 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] removed /workspace/builds/worker-6/source/.cargo/config.toml
[INFO] started tweaking crates.io crate liu 0.0.1
[INFO] finished tweaking crates.io crate liu 0.0.1
[INFO] tweaked toml for crates.io crate liu 0.0.1 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] c40a5f58c3be6af36f8ef4fa74466ec05ef2bc1db88b330bd4c1340e29fcd9b9
[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" "c40a5f58c3be6af36f8ef4fa74466ec05ef2bc1db88b330bd4c1340e29fcd9b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c40a5f58c3be6af36f8ef4fa74466ec05ef2bc1db88b330bd4c1340e29fcd9b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c40a5f58c3be6af36f8ef4fa74466ec05ef2bc1db88b330bd4c1340e29fcd9b9", kill_on_drop: false }`
[INFO] [stdout] c40a5f58c3be6af36f8ef4fa74466ec05ef2bc1db88b330bd4c1340e29fcd9b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] a2bcbd39ba7bf3d56f4c279ced0089cfe65cf206a9a928bfa6ecbf5757af7960
[INFO] running `Command { std: "docker" "start" "-a" "a2bcbd39ba7bf3d56f4c279ced0089cfe65cf206a9a928bfa6ecbf5757af7960", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling aliu v0.1.18
[INFO] [stderr]    Compiling region v3.0.0
[INFO] [stderr]    Compiling liu v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 13.85s
[INFO] running `Command { std: "docker" "inspect" "a2bcbd39ba7bf3d56f4c279ced0089cfe65cf206a9a928bfa6ecbf5757af7960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2bcbd39ba7bf3d56f4c279ced0089cfe65cf206a9a928bfa6ecbf5757af7960", kill_on_drop: false }`
[INFO] [stdout] a2bcbd39ba7bf3d56f4c279ced0089cfe65cf206a9a928bfa6ecbf5757af7960
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] ccb83d07f700802f20147189b037da1ec54b6f255dbff955969559522334e12e
[INFO] running `Command { std: "docker" "start" "-a" "ccb83d07f700802f20147189b037da1ec54b6f255dbff955969559522334e12e", kill_on_drop: false }`
[INFO] [stderr]    Compiling liu v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 9.38s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/liu-18a3a6184293a497)
[INFO] running `Command { std: "docker" "inspect" "ccb83d07f700802f20147189b037da1ec54b6f255dbff955969559522334e12e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccb83d07f700802f20147189b037da1ec54b6f255dbff955969559522334e12e", kill_on_drop: false }`
[INFO] [stdout] ccb83d07f700802f20147189b037da1ec54b6f255dbff955969559522334e12e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] dbad7ea71a2ba6b2bf210a87153ff954f03dee5377250828dbf104666946621e
[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" "dbad7ea71a2ba6b2bf210a87153ff954f03dee5377250828dbf104666946621e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/liu-18a3a6184293a497)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::simple ... ok
[INFO] [stdout] test util::heap_array ... ok
[INFO] [stdout] test ast::ast ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests liu
[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" "dbad7ea71a2ba6b2bf210a87153ff954f03dee5377250828dbf104666946621e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbad7ea71a2ba6b2bf210a87153ff954f03dee5377250828dbf104666946621e", kill_on_drop: false }`
[INFO] [stdout] dbad7ea71a2ba6b2bf210a87153ff954f03dee5377250828dbf104666946621e