[INFO] fetching crate rustomaton 0.2.1...
[INFO] testing rustomaton-0.2.1 against 1.52.1 for beta-1.53-1
[INFO] extracting crate rustomaton 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rustomaton 0.2.1 on toolchain 1.52.1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustomaton 0.2.1
[INFO] finished tweaking crates.io crate rustomaton 0.2.1
[INFO] tweaked toml for crates.io crate rustomaton 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "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] 0bf388724061fb1af79e04c003eb46cf2288472334f60ebb94d6157bdfd864f2
[INFO] running `Command { std: "docker" "start" "-a" "0bf388724061fb1af79e04c003eb46cf2288472334f60ebb94d6157bdfd864f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bf388724061fb1af79e04c003eb46cf2288472334f60ebb94d6157bdfd864f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bf388724061fb1af79e04c003eb46cf2288472334f60ebb94d6157bdfd864f2", kill_on_drop: false }`
[INFO] [stdout] 0bf388724061fb1af79e04c003eb46cf2288472334f60ebb94d6157bdfd864f2
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 114a8d803ebf6a701e8ad0403bf71a5a591f8f7a8aff07500dcc3332965172b6
[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" "114a8d803ebf6a701e8ad0403bf71a5a591f8f7a8aff07500dcc3332965172b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling logos-derive v0.9.7
[INFO] [stderr]    Compiling logos v0.9.7
[INFO] [stderr]    Compiling rustomaton v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.23s
[INFO] running `Command { std: "docker" "inspect" "114a8d803ebf6a701e8ad0403bf71a5a591f8f7a8aff07500dcc3332965172b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "114a8d803ebf6a701e8ad0403bf71a5a591f8f7a8aff07500dcc3332965172b6", kill_on_drop: false }`
[INFO] [stdout] 114a8d803ebf6a701e8ad0403bf71a5a591f8f7a8aff07500dcc3332965172b6
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "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] a59cfeff150e0744b2e16e087dc07e0bb95bbd1f554e942f94c986070f270850
[INFO] running `Command { std: "docker" "start" "-a" "a59cfeff150e0744b2e16e087dc07e0bb95bbd1f554e942f94c986070f270850", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rustomaton v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.39s
[INFO] running `Command { std: "docker" "inspect" "a59cfeff150e0744b2e16e087dc07e0bb95bbd1f554e942f94c986070f270850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a59cfeff150e0744b2e16e087dc07e0bb95bbd1f554e942f94c986070f270850", kill_on_drop: false }`
[INFO] [stdout] a59cfeff150e0744b2e16e087dc07e0bb95bbd1f554e942f94c986070f270850
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "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] 45b669926eabd94b490bee291a04534ee2bb471149dfd5e6173df1ebbd15a1b3
[INFO] running `Command { std: "docker" "start" "-a" "45b669926eabd94b490bee291a04534ee2bb471149dfd5e6173df1ebbd15a1b3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustomaton-38817cdfb7111106)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests rustomaton
[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] [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" "45b669926eabd94b490bee291a04534ee2bb471149dfd5e6173df1ebbd15a1b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45b669926eabd94b490bee291a04534ee2bb471149dfd5e6173df1ebbd15a1b3", kill_on_drop: false }`
[INFO] [stdout] 45b669926eabd94b490bee291a04534ee2bb471149dfd5e6173df1ebbd15a1b3