[INFO] fetching crate liu 0.0.1...
[INFO] testing liu-0.0.1 against 1.60.0 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 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded region v3.0.0
[INFO] [stderr]   Downloaded aliu v0.1.18
[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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6ad38a54c090738139940d810df86a79abac19e6828c8f1b99235fd3b0465b8
[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" "e6ad38a54c090738139940d810df86a79abac19e6828c8f1b99235fd3b0465b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6ad38a54c090738139940d810df86a79abac19e6828c8f1b99235fd3b0465b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6ad38a54c090738139940d810df86a79abac19e6828c8f1b99235fd3b0465b8", kill_on_drop: false }`
[INFO] [stdout] e6ad38a54c090738139940d810df86a79abac19e6828c8f1b99235fd3b0465b8
[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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 792fc5c750a2ac36bfa16502b1a53055edc385c5cd95efb28d88394c0786c7f5
[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" "792fc5c750a2ac36bfa16502b1a53055edc385c5cd95efb28d88394c0786c7f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[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 10.12s
[INFO] running `Command { std: "docker" "inspect" "792fc5c750a2ac36bfa16502b1a53055edc385c5cd95efb28d88394c0786c7f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "792fc5c750a2ac36bfa16502b1a53055edc385c5cd95efb28d88394c0786c7f5", kill_on_drop: false }`
[INFO] [stdout] 792fc5c750a2ac36bfa16502b1a53055edc385c5cd95efb28d88394c0786c7f5
[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" "+1.60.0" "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] 4ca2d9625e02ced6e512d5a2397ca60bba9cbdeaf543a0e6258af85a31359e5b
[INFO] running `Command { std: "docker" "start" "-a" "4ca2d9625e02ced6e512d5a2397ca60bba9cbdeaf543a0e6258af85a31359e5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling liu v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 7.13s
[INFO] running `Command { std: "docker" "inspect" "4ca2d9625e02ced6e512d5a2397ca60bba9cbdeaf543a0e6258af85a31359e5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ca2d9625e02ced6e512d5a2397ca60bba9cbdeaf543a0e6258af85a31359e5b", kill_on_drop: false }`
[INFO] [stdout] 4ca2d9625e02ced6e512d5a2397ca60bba9cbdeaf543a0e6258af85a31359e5b
[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" "+1.60.0" "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] 3b068461bc80245da9831bf4b01e91d709a4d378b00350486c97b8a9e2f26816
[INFO] running `Command { std: "docker" "start" "-a" "3b068461bc80245da9831bf4b01e91d709a4d378b00350486c97b8a9e2f26816", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/liu-6eb9d3bed803ee61)
[INFO] [stdout] test tests::simple ... ok
[INFO] [stdout] test util::heap_array ... ok
[INFO] [stdout] test ast::ast ... ok
[INFO] [stderr]    Doc-tests liu
[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] [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" "3b068461bc80245da9831bf4b01e91d709a4d378b00350486c97b8a9e2f26816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b068461bc80245da9831bf4b01e91d709a4d378b00350486c97b8a9e2f26816", kill_on_drop: false }`
[INFO] [stdout] 3b068461bc80245da9831bf4b01e91d709a4d378b00350486c97b8a9e2f26816