[INFO] updating cached repository https://github.com/dmit/monte-carlo-pi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55ff394acde3b5848cb565f48ab48cca87612bf7
[INFO] testing dmit/monte-carlo-pi against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmit%2Fmonte-carlo-pi" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dmit/monte-carlo-pi on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dmit/monte-carlo-pi
[INFO] finished tweaking git repo https://github.com/dmit/monte-carlo-pi
[INFO] tweaked toml for git repo https://github.com/dmit/monte-carlo-pi written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/dmit/monte-carlo-pi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c9eacd22655520b3324499c8e626d0de5e4058350f87b9475a6f9984a62a519
[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" "9c9eacd22655520b3324499c8e626d0de5e4058350f87b9475a6f9984a62a519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c9eacd22655520b3324499c8e626d0de5e4058350f87b9475a6f9984a62a519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c9eacd22655520b3324499c8e626d0de5e4058350f87b9475a6f9984a62a519", kill_on_drop: false }`
[INFO] [stdout] 9c9eacd22655520b3324499c8e626d0de5e4058350f87b9475a6f9984a62a519
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7525bba0a095bccf57afa690ebfc97d21da524bd13e3940958696730b24ee698
[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" "7525bba0a095bccf57afa690ebfc97d21da524bd13e3940958696730b24ee698", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling xoshiro v0.0.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling monte-carlo-pi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `as_float_secs` found for struct `std::time::Duration` in the current scope
[INFO] [stdout]   --> src/main.rs:40:63
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let iterations_per_s = total_iterations as f64 / duration.as_float_secs();
[INFO] [stdout]    |                                                               ^^^^^^^^^^^^^ method not found in `std::time::Duration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `monte-carlo-pi`.
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7525bba0a095bccf57afa690ebfc97d21da524bd13e3940958696730b24ee698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7525bba0a095bccf57afa690ebfc97d21da524bd13e3940958696730b24ee698", kill_on_drop: false }`
[INFO] [stdout] 7525bba0a095bccf57afa690ebfc97d21da524bd13e3940958696730b24ee698