[INFO] fetching crate fe-semantics 0.1.0...
[INFO] testing fe-semantics-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate fe-semantics 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate fe-semantics 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 fe-semantics 0.1.0
[INFO] finished tweaking crates.io crate fe-semantics 0.1.0
[INFO] tweaked toml for crates.io crate fe-semantics 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate fe-semantics 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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 3d5def2091526ce559914e91a51c930005fbf59ebafaf588d74f3d1e9f0ab674
[INFO] running `Command { std: "docker" "start" "-a" "3d5def2091526ce559914e91a51c930005fbf59ebafaf588d74f3d1e9f0ab674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d5def2091526ce559914e91a51c930005fbf59ebafaf588d74f3d1e9f0ab674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d5def2091526ce559914e91a51c930005fbf59ebafaf588d74f3d1e9f0ab674", kill_on_drop: false }`
[INFO] [stdout] 3d5def2091526ce559914e91a51c930005fbf59ebafaf588d74f3d1e9f0ab674
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 9cfd4aba106d2974ff20b006c21a646a145cddaa997b23394125635577491098
[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" "9cfd4aba106d2974ff20b006c21a646a145cddaa997b23394125635577491098", kill_on_drop: false }`
[INFO] [stderr]    Compiling fe-semantics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "9cfd4aba106d2974ff20b006c21a646a145cddaa997b23394125635577491098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cfd4aba106d2974ff20b006c21a646a145cddaa997b23394125635577491098", kill_on_drop: false }`
[INFO] [stdout] 9cfd4aba106d2974ff20b006c21a646a145cddaa997b23394125635577491098
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 4f020bdc9f5da13253e75e2dea5135a8090b571bf20dc9f828e55ce8057cfd5a
[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" "4f020bdc9f5da13253e75e2dea5135a8090b571bf20dc9f828e55ce8057cfd5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling fe-semantics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "4f020bdc9f5da13253e75e2dea5135a8090b571bf20dc9f828e55ce8057cfd5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f020bdc9f5da13253e75e2dea5135a8090b571bf20dc9f828e55ce8057cfd5a", kill_on_drop: false }`
[INFO] [stdout] 4f020bdc9f5da13253e75e2dea5135a8090b571bf20dc9f828e55ce8057cfd5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] f3131d8fcdf7ccf05158970e7285602b7657cb9f4fb274b517bca11b3f0a40bd
[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" "f3131d8fcdf7ccf05158970e7285602b7657cb9f4fb274b517bca11b3f0a40bd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fe_semantics-feb208687ba664fe
[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" "f3131d8fcdf7ccf05158970e7285602b7657cb9f4fb274b517bca11b3f0a40bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3131d8fcdf7ccf05158970e7285602b7657cb9f4fb274b517bca11b3f0a40bd", kill_on_drop: false }`
[INFO] [stdout] f3131d8fcdf7ccf05158970e7285602b7657cb9f4fb274b517bca11b3f0a40bd