[INFO] fetching crate neols 0.7.0...
[INFO] testing neols-0.7.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate neols 0.7.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate neols 0.7.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-1/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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7825a6d6252ce053bbc8e3bc53507e493e35c7fa0617cd86df2cbbf0b9cd4cb
[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" "f7825a6d6252ce053bbc8e3bc53507e493e35c7fa0617cd86df2cbbf0b9cd4cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7825a6d6252ce053bbc8e3bc53507e493e35c7fa0617cd86df2cbbf0b9cd4cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7825a6d6252ce053bbc8e3bc53507e493e35c7fa0617cd86df2cbbf0b9cd4cb", kill_on_drop: false }`
[INFO] [stdout] f7825a6d6252ce053bbc8e3bc53507e493e35c7fa0617cd86df2cbbf0b9cd4cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19ea4c02cfc315b9f0d9b3ff68117b3ee9fab35fcba2f7acf9ee558312df7e6a
[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" "19ea4c02cfc315b9f0d9b3ff68117b3ee9fab35fcba2f7acf9ee558312df7e6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[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 3.89s
[INFO] running `Command { std: "docker" "inspect" "19ea4c02cfc315b9f0d9b3ff68117b3ee9fab35fcba2f7acf9ee558312df7e6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19ea4c02cfc315b9f0d9b3ff68117b3ee9fab35fcba2f7acf9ee558312df7e6a", kill_on_drop: false }`
[INFO] [stdout] 19ea4c02cfc315b9f0d9b3ff68117b3ee9fab35fcba2f7acf9ee558312df7e6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-09-08" "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] 9e2e7d188788372d1de35ea418aa680b00cbc3586b330433d45fa7aa94fa0e02
[INFO] running `Command { std: "docker" "start" "-a" "9e2e7d188788372d1de35ea418aa680b00cbc3586b330433d45fa7aa94fa0e02", kill_on_drop: false }`
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.01s
[INFO] running `Command { std: "docker" "inspect" "9e2e7d188788372d1de35ea418aa680b00cbc3586b330433d45fa7aa94fa0e02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e2e7d188788372d1de35ea418aa680b00cbc3586b330433d45fa7aa94fa0e02", kill_on_drop: false }`
[INFO] [stdout] 9e2e7d188788372d1de35ea418aa680b00cbc3586b330433d45fa7aa94fa0e02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7d30bae4a658d8637b7de7a4897f543b23fcdb40fd66b5b45a39b376c07f52cf
[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" "7d30bae4a658d8637b7de7a4897f543b23fcdb40fd66b5b45a39b376c07f52cf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.01s
[INFO] running `Command { std: "docker" "inspect" "7d30bae4a658d8637b7de7a4897f543b23fcdb40fd66b5b45a39b376c07f52cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d30bae4a658d8637b7de7a4897f543b23fcdb40fd66b5b45a39b376c07f52cf", kill_on_drop: false }`
[INFO] [stdout] 7d30bae4a658d8637b7de7a4897f543b23fcdb40fd66b5b45a39b376c07f52cf