[INFO] fetching crate ssbc 0.1.0...
[INFO] testing ssbc-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate ssbc 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ssbc 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ssbc 0.1.0
[INFO] finished tweaking crates.io crate ssbc 0.1.0
[INFO] tweaked toml for crates.io crate ssbc 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate ssbc 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 722cd548bbbcc3f6a36b18c60840b3e0b438c2b501a0d341ad44668af30f560e
[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" "722cd548bbbcc3f6a36b18c60840b3e0b438c2b501a0d341ad44668af30f560e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "722cd548bbbcc3f6a36b18c60840b3e0b438c2b501a0d341ad44668af30f560e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "722cd548bbbcc3f6a36b18c60840b3e0b438c2b501a0d341ad44668af30f560e", kill_on_drop: false }`
[INFO] [stdout] 722cd548bbbcc3f6a36b18c60840b3e0b438c2b501a0d341ad44668af30f560e
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 058ba14d9e7456f7a35d90968e2928bb6e77d659f6e8832378a088057e11d3db
[INFO] running `Command { std: "docker" "start" "-a" "058ba14d9e7456f7a35d90968e2928bb6e77d659f6e8832378a088057e11d3db", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling ssbc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.80s
[INFO] running `Command { std: "docker" "inspect" "058ba14d9e7456f7a35d90968e2928bb6e77d659f6e8832378a088057e11d3db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "058ba14d9e7456f7a35d90968e2928bb6e77d659f6e8832378a088057e11d3db", kill_on_drop: false }`
[INFO] [stdout] 058ba14d9e7456f7a35d90968e2928bb6e77d659f6e8832378a088057e11d3db
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40c8cc2b8c93e86221dbabc4ffc54071d4ee2ef082635a567cb40b2acde832cf
[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" "40c8cc2b8c93e86221dbabc4ffc54071d4ee2ef082635a567cb40b2acde832cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling ssbc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "40c8cc2b8c93e86221dbabc4ffc54071d4ee2ef082635a567cb40b2acde832cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40c8cc2b8c93e86221dbabc4ffc54071d4ee2ef082635a567cb40b2acde832cf", kill_on_drop: false }`
[INFO] [stdout] 40c8cc2b8c93e86221dbabc4ffc54071d4ee2ef082635a567cb40b2acde832cf
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] d35aaeba79559e9651a11bd1da6c6ba4405b1ee4a664627a061fb043722ce71f
[INFO] running `Command { std: "docker" "start" "-a" "d35aaeba79559e9651a11bd1da6c6ba4405b1ee4a664627a061fb043722ce71f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ssbc-b222f7af7adaabfa
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d35aaeba79559e9651a11bd1da6c6ba4405b1ee4a664627a061fb043722ce71f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d35aaeba79559e9651a11bd1da6c6ba4405b1ee4a664627a061fb043722ce71f", kill_on_drop: false }`
[INFO] [stdout] d35aaeba79559e9651a11bd1da6c6ba4405b1ee4a664627a061fb043722ce71f