[INFO] cloning repository https://github.com/porglezomp-misc/flapjack-fwop-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/porglezomp-misc/flapjack-fwop-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fporglezomp-misc%2Fflapjack-fwop-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fporglezomp-misc%2Fflapjack-fwop-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01fe0aa72721958a406f7475f1afcba0c21feb7d
[INFO] checking porglezomp-misc/flapjack-fwop-solver against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fporglezomp-misc%2Fflapjack-fwop-solver" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/porglezomp-misc/flapjack-fwop-solver on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/porglezomp-misc/flapjack-fwop-solver
[INFO] disabled cargo feature 'default-run' from git repo https://github.com/porglezomp-misc/flapjack-fwop-solver
[INFO] finished tweaking git repo https://github.com/porglezomp-misc/flapjack-fwop-solver
[INFO] tweaked toml for git repo https://github.com/porglezomp-misc/flapjack-fwop-solver written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/porglezomp-misc/flapjack-fwop-solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58024b3f24b9367847dc94f9df58eee91019ce297b3cc2d0c298ea0b308ddc76
[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" "58024b3f24b9367847dc94f9df58eee91019ce297b3cc2d0c298ea0b308ddc76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58024b3f24b9367847dc94f9df58eee91019ce297b3cc2d0c298ea0b308ddc76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58024b3f24b9367847dc94f9df58eee91019ce297b3cc2d0c298ea0b308ddc76", kill_on_drop: false }`
[INFO] [stdout] 58024b3f24b9367847dc94f9df58eee91019ce297b3cc2d0c298ea0b308ddc76
[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=forbid" "-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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 739efdf42bed18eb063a2760b3b520d391a082cea3bc73193575e01030dd603f
[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" "739efdf42bed18eb063a2760b3b520d391a082cea3bc73193575e01030dd603f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling serde v1.0.83
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]    Compiling failure_derive v0.1.4
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.11
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking fwop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stdout] error[E0599]: no method named `as_float_secs` found for struct `Duration` in the current scope
[INFO] [stdout]   --> src/bin/solve.rs:41:29
[INFO] [stdout]    |
[INFO] [stdout] 41 |         (write_end - start).as_float_secs()
[INFO] [stdout]    |                             ^^^^^^^^^^^^^ method not found in `Duration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_float_secs` found for struct `Duration` in the current scope
[INFO] [stdout]   --> src/bin/solve.rs:45:44
[INFO] [stdout]    |
[INFO] [stdout] 45 |         generate_end.duration_since(start).as_float_secs()
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^ method not found in `Duration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_float_secs` found for struct `Duration` in the current scope
[INFO] [stdout]   --> src/bin/solve.rs:49:48
[INFO] [stdout]    |
[INFO] [stdout] 49 |         write_end.duration_since(generate_end).as_float_secs()
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^ method not found in `Duration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fwop`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "739efdf42bed18eb063a2760b3b520d391a082cea3bc73193575e01030dd603f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "739efdf42bed18eb063a2760b3b520d391a082cea3bc73193575e01030dd603f", kill_on_drop: false }`
[INFO] [stdout] 739efdf42bed18eb063a2760b3b520d391a082cea3bc73193575e01030dd603f