[INFO] fetching crate swears 0.1.16...
[INFO] testing swears-0.1.16 against 1.49.0 for beta-1.50-1
[INFO] extracting crate swears 0.1.16 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate swears 0.1.16 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 swears 0.1.16
[INFO] finished tweaking crates.io crate swears 0.1.16
[INFO] tweaked toml for crates.io crate swears 0.1.16 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate swears 0.1.16 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 467fe83688a0f31424d615f0c07e0874d7bc431a2f4aafc894d146d8e497bd99
[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" "467fe83688a0f31424d615f0c07e0874d7bc431a2f4aafc894d146d8e497bd99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "467fe83688a0f31424d615f0c07e0874d7bc431a2f4aafc894d146d8e497bd99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "467fe83688a0f31424d615f0c07e0874d7bc431a2f4aafc894d146d8e497bd99", kill_on_drop: false }`
[INFO] [stdout] 467fe83688a0f31424d615f0c07e0874d7bc431a2f4aafc894d146d8e497bd99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 0d0440a959ae11870e2f659b4f86c4a7a8075444b01024a1fecd532a4ea9aa1b
[INFO] running `Command { std: "docker" "start" "-a" "0d0440a959ae11870e2f659b4f86c4a7a8075444b01024a1fecd532a4ea9aa1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]    Compiling pancurses v0.16.1
[INFO] [stderr]    Compiling swears v0.1.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.40s
[INFO] running `Command { std: "docker" "inspect" "0d0440a959ae11870e2f659b4f86c4a7a8075444b01024a1fecd532a4ea9aa1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d0440a959ae11870e2f659b4f86c4a7a8075444b01024a1fecd532a4ea9aa1b", kill_on_drop: false }`
[INFO] [stdout] 0d0440a959ae11870e2f659b4f86c4a7a8075444b01024a1fecd532a4ea9aa1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 34c1c6f62bebcebdb3d98f51d981c0bff5595c36fb01e13392808a14a420a550
[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" "34c1c6f62bebcebdb3d98f51d981c0bff5595c36fb01e13392808a14a420a550", kill_on_drop: false }`
[INFO] [stderr]    Compiling swears v0.1.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "34c1c6f62bebcebdb3d98f51d981c0bff5595c36fb01e13392808a14a420a550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34c1c6f62bebcebdb3d98f51d981c0bff5595c36fb01e13392808a14a420a550", kill_on_drop: false }`
[INFO] [stdout] 34c1c6f62bebcebdb3d98f51d981c0bff5595c36fb01e13392808a14a420a550
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] e53e1a4aecabcf8ef878fc525860181e6e463b5efadb2ee996cb1e300c1cf576
[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" "e53e1a4aecabcf8ef878fc525860181e6e463b5efadb2ee996cb1e300c1cf576", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/swears-dfbca8fc4135a563
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests swears
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "e53e1a4aecabcf8ef878fc525860181e6e463b5efadb2ee996cb1e300c1cf576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e53e1a4aecabcf8ef878fc525860181e6e463b5efadb2ee996cb1e300c1cf576", kill_on_drop: false }`
[INFO] [stdout] e53e1a4aecabcf8ef878fc525860181e6e463b5efadb2ee996cb1e300c1cf576