[INFO] fetching crate neols 0.7.0...
[INFO] testing neols-0.7.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate neols 0.7.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate neols 0.7.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate neols 0.7.0
[INFO] finished tweaking crates.io crate neols 0.7.0
[INFO] tweaked toml for crates.io crate neols 0.7.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate neols 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b8e9f6773a6e25b5050e35eaaa7f474e5a0209626b65ba75cf4bbd01bc997ae
[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" "2b8e9f6773a6e25b5050e35eaaa7f474e5a0209626b65ba75cf4bbd01bc997ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b8e9f6773a6e25b5050e35eaaa7f474e5a0209626b65ba75cf4bbd01bc997ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b8e9f6773a6e25b5050e35eaaa7f474e5a0209626b65ba75cf4bbd01bc997ae", kill_on_drop: false }`
[INFO] [stdout] 2b8e9f6773a6e25b5050e35eaaa7f474e5a0209626b65ba75cf4bbd01bc997ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 861c138b80f2071c225b1cabe5072241149040fa2df63f78bbe4b130774d30d8
[INFO] running `Command { std: "docker" "start" "-a" "861c138b80f2071c225b1cabe5072241149040fa2df63f78bbe4b130774d30d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling neols v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 3.29s
[INFO] running `Command { std: "docker" "inspect" "861c138b80f2071c225b1cabe5072241149040fa2df63f78bbe4b130774d30d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "861c138b80f2071c225b1cabe5072241149040fa2df63f78bbe4b130774d30d8", kill_on_drop: false }`
[INFO] [stdout] 861c138b80f2071c225b1cabe5072241149040fa2df63f78bbe4b130774d30d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9b0fbbb0833b8f5988a84c6fac4a420091aaaec6b08b8f84869fbebba17f428
[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" "c9b0fbbb0833b8f5988a84c6fac4a420091aaaec6b08b8f84869fbebba17f428", kill_on_drop: false }`
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.01s
[INFO] running `Command { std: "docker" "inspect" "c9b0fbbb0833b8f5988a84c6fac4a420091aaaec6b08b8f84869fbebba17f428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9b0fbbb0833b8f5988a84c6fac4a420091aaaec6b08b8f84869fbebba17f428", kill_on_drop: false }`
[INFO] [stdout] c9b0fbbb0833b8f5988a84c6fac4a420091aaaec6b08b8f84869fbebba17f428
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] ef0320f0951181d657e129154b6fd79b561cf2af0d626bb8ba60cb278dd93613
[INFO] running `Command { std: "docker" "start" "-a" "ef0320f0951181d657e129154b6fd79b561cf2af0d626bb8ba60cb278dd93613", kill_on_drop: false }`
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.01s
[INFO] running `Command { std: "docker" "inspect" "ef0320f0951181d657e129154b6fd79b561cf2af0d626bb8ba60cb278dd93613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef0320f0951181d657e129154b6fd79b561cf2af0d626bb8ba60cb278dd93613", kill_on_drop: false }`
[INFO] [stdout] ef0320f0951181d657e129154b6fd79b561cf2af0d626bb8ba60cb278dd93613