[INFO] fetching crate twang 0.8.0...
[INFO] testing twang-0.8.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate twang 0.8.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate twang 0.8.0 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] started tweaking crates.io crate twang 0.8.0
[INFO] finished tweaking crates.io crate twang 0.8.0
[INFO] tweaked toml for crates.io crate twang 0.8.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate twang 0.8.0 already has a lockfile, it will not be regenerated
[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 fon v0.6.0
[INFO] [stderr]   Downloaded libm v0.2.1
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 1e51430c71a5663e4f6aa2885ea678dad8a5e05c0cb2ca33d32a8bfac739ae14
[INFO] running `Command { std: "docker" "start" "-a" "1e51430c71a5663e4f6aa2885ea678dad8a5e05c0cb2ca33d32a8bfac739ae14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e51430c71a5663e4f6aa2885ea678dad8a5e05c0cb2ca33d32a8bfac739ae14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e51430c71a5663e4f6aa2885ea678dad8a5e05c0cb2ca33d32a8bfac739ae14", kill_on_drop: false }`
[INFO] [stdout] 1e51430c71a5663e4f6aa2885ea678dad8a5e05c0cb2ca33d32a8bfac739ae14
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04725b60c68c54ae14c6377f403f1174401b37eebda70d9dae7e9f1f1775ca36
[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" "04725b60c68c54ae14c6377f403f1174401b37eebda70d9dae7e9f1f1775ca36", kill_on_drop: false }`
[INFO] [stderr]    Compiling twang v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling fon v0.6.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.34s
[INFO] running `Command { std: "docker" "inspect" "04725b60c68c54ae14c6377f403f1174401b37eebda70d9dae7e9f1f1775ca36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04725b60c68c54ae14c6377f403f1174401b37eebda70d9dae7e9f1f1775ca36", kill_on_drop: false }`
[INFO] [stdout] 04725b60c68c54ae14c6377f403f1174401b37eebda70d9dae7e9f1f1775ca36
[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: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] d766598d1d9dd9cf9c6f6ce6d85d2f21e1ff314f273f5aac8ba670bfe8b545c3
[INFO] running `Command { std: "docker" "start" "-a" "d766598d1d9dd9cf9c6f6ce6d85d2f21e1ff314f273f5aac8ba670bfe8b545c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling twang v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "d766598d1d9dd9cf9c6f6ce6d85d2f21e1ff314f273f5aac8ba670bfe8b545c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d766598d1d9dd9cf9c6f6ce6d85d2f21e1ff314f273f5aac8ba670bfe8b545c3", kill_on_drop: false }`
[INFO] [stdout] d766598d1d9dd9cf9c6f6ce6d85d2f21e1ff314f273f5aac8ba670bfe8b545c3
[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: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] 68f4d2fd7f07ccbd72552b3926657d990ce835b588c22e3d6378884301b02297
[INFO] running `Command { std: "docker" "start" "-a" "68f4d2fd7f07ccbd72552b3926657d990ce835b588c22e3d6378884301b02297", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/twang-185344b0cee55789)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test math::tests::math_signum ... ok
[INFO] [stderr]    Doc-tests twang
[INFO] [stdout] test math::tests::math_exp ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 30) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "68f4d2fd7f07ccbd72552b3926657d990ce835b588c22e3d6378884301b02297", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68f4d2fd7f07ccbd72552b3926657d990ce835b588c22e3d6378884301b02297", kill_on_drop: false }`
[INFO] [stdout] 68f4d2fd7f07ccbd72552b3926657d990ce835b588c22e3d6378884301b02297