[INFO] fetching crate paste-test-suite 0.0.0...
[INFO] testing paste-test-suite-0.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate paste-test-suite 0.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate paste-test-suite 0.0.0 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 paste-test-suite 0.0.0
[INFO] finished tweaking crates.io crate paste-test-suite 0.0.0
[INFO] tweaked toml for crates.io crate paste-test-suite 0.0.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 570133176b03d4c2288259f90fc8b5b535423cd9eb1b12d2acfb00bc94af76c5
[INFO] running `Command { std: "docker" "start" "-a" "570133176b03d4c2288259f90fc8b5b535423cd9eb1b12d2acfb00bc94af76c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "570133176b03d4c2288259f90fc8b5b535423cd9eb1b12d2acfb00bc94af76c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "570133176b03d4c2288259f90fc8b5b535423cd9eb1b12d2acfb00bc94af76c5", kill_on_drop: false }`
[INFO] [stdout] 570133176b03d4c2288259f90fc8b5b535423cd9eb1b12d2acfb00bc94af76c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 6e1130b9785b2d18c4dff7eb1b15c789b6e3390d744eaa5946936b72c1b37707
[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" "6e1130b9785b2d18c4dff7eb1b15c789b6e3390d744eaa5946936b72c1b37707", kill_on_drop: false }`
[INFO] [stderr]    Compiling paste-test-suite v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected item, found `@`
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | @
[INFO] [stdout]   | ^ expected item
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `paste-test-suite`
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "6e1130b9785b2d18c4dff7eb1b15c789b6e3390d744eaa5946936b72c1b37707", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e1130b9785b2d18c4dff7eb1b15c789b6e3390d744eaa5946936b72c1b37707", kill_on_drop: false }`
[INFO] [stdout] 6e1130b9785b2d18c4dff7eb1b15c789b6e3390d744eaa5946936b72c1b37707