[INFO] fetching crate terbium 0.0.0...
[INFO] testing terbium-0.0.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate terbium 0.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate terbium 0.0.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate terbium 0.0.0
[INFO] finished tweaking crates.io crate terbium 0.0.0
[INFO] tweaked toml for crates.io crate terbium 0.0.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate terbium 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 180e5bfa09009f15c053e2d6c90ca46dd85c37b3cc048b69ad41ca7cef060099
[INFO] running `Command { std: "docker" "start" "-a" "180e5bfa09009f15c053e2d6c90ca46dd85c37b3cc048b69ad41ca7cef060099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "180e5bfa09009f15c053e2d6c90ca46dd85c37b3cc048b69ad41ca7cef060099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "180e5bfa09009f15c053e2d6c90ca46dd85c37b3cc048b69ad41ca7cef060099", kill_on_drop: false }`
[INFO] [stdout] 180e5bfa09009f15c053e2d6c90ca46dd85c37b3cc048b69ad41ca7cef060099
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 798bcc15841d973a3f06cdd0804bd93b22967447eb4dd996808ea39490848f43
[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" "798bcc15841d973a3f06cdd0804bd93b22967447eb4dd996808ea39490848f43", kill_on_drop: false }`
[INFO] [stderr]    Compiling terbium v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "798bcc15841d973a3f06cdd0804bd93b22967447eb4dd996808ea39490848f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "798bcc15841d973a3f06cdd0804bd93b22967447eb4dd996808ea39490848f43", kill_on_drop: false }`
[INFO] [stdout] 798bcc15841d973a3f06cdd0804bd93b22967447eb4dd996808ea39490848f43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 67f52dc6f5998852294c0c87dbe47d24c6bf2430647081c1b50ae0df8d814f79
[INFO] running `Command { std: "docker" "start" "-a" "67f52dc6f5998852294c0c87dbe47d24c6bf2430647081c1b50ae0df8d814f79", kill_on_drop: false }`
[INFO] [stderr]    Compiling terbium v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "67f52dc6f5998852294c0c87dbe47d24c6bf2430647081c1b50ae0df8d814f79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67f52dc6f5998852294c0c87dbe47d24c6bf2430647081c1b50ae0df8d814f79", kill_on_drop: false }`
[INFO] [stdout] 67f52dc6f5998852294c0c87dbe47d24c6bf2430647081c1b50ae0df8d814f79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3b5dda6004423bd2a01f9291066ece8585d3052cd7eff33cd4bba05a625eeafd
[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" "3b5dda6004423bd2a01f9291066ece8585d3052cd7eff33cd4bba05a625eeafd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/terbium-dd0fb9dea8bee807
[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" "3b5dda6004423bd2a01f9291066ece8585d3052cd7eff33cd4bba05a625eeafd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b5dda6004423bd2a01f9291066ece8585d3052cd7eff33cd4bba05a625eeafd", kill_on_drop: false }`
[INFO] [stdout] 3b5dda6004423bd2a01f9291066ece8585d3052cd7eff33cd4bba05a625eeafd