[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] testing porglezomp-misc/flapjack-fwop-solver against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fporglezomp-misc%2Fflapjack-fwop-solver" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/porglezomp-misc/flapjack-fwop-solver on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-2/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_syscall v0.1.49
[INFO] [stderr]   Downloaded serde_derive v1.0.83
[INFO] [stderr]   Downloaded serde v1.0.83
[INFO] [stderr]   Downloaded serde_json v1.0.34
[INFO] [stderr]   Downloaded failure v0.1.4
[INFO] [stderr]   Downloaded criterion v0.2.7
[INFO] [stderr]   Downloaded rusty-fork v0.2.1
[INFO] [stderr]   Downloaded wait-timeout v0.1.5
[INFO] [stderr]   Downloaded failure_derive v0.1.4
[INFO] [stderr]   Downloaded handlebars v1.0.5
[INFO] [stderr]   Downloaded criterion-plot v0.2.7
[INFO] [stderr]   Downloaded proptest v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] 1c6ef00a737b0ac7931ece3fe4c7cd6e8a9d657944fb6bb1db226388471f8fb3
[INFO] running `Command { std: "docker" "start" "-a" "1c6ef00a737b0ac7931ece3fe4c7cd6e8a9d657944fb6bb1db226388471f8fb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c6ef00a737b0ac7931ece3fe4c7cd6e8a9d657944fb6bb1db226388471f8fb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c6ef00a737b0ac7931ece3fe4c7cd6e8a9d657944fb6bb1db226388471f8fb3", kill_on_drop: false }`
[INFO] [stdout] 1c6ef00a737b0ac7931ece3fe4c7cd6e8a9d657944fb6bb1db226388471f8fb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b418d9d47b5385a4461135898656604539131269c9d2aceb5992e71517c83032
[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" "b418d9d47b5385a4461135898656604539131269c9d2aceb5992e71517c83032", kill_on_drop: false }`
[INFO] [stderr]    Compiling fwop v0.1.0 (/opt/rustwide/workdir)
[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" "b418d9d47b5385a4461135898656604539131269c9d2aceb5992e71517c83032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b418d9d47b5385a4461135898656604539131269c9d2aceb5992e71517c83032", kill_on_drop: false }`
[INFO] [stdout] b418d9d47b5385a4461135898656604539131269c9d2aceb5992e71517c83032