[INFO] cloning 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" "clone" "--bare" "https://github.com/dmit/monte-carlo-pi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmit%2Fmonte-carlo-pi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmit%2Fmonte-carlo-pi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55ff394acde3b5848cb565f48ab48cca87612bf7
[INFO] checking dmit/monte-carlo-pi against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmit%2Fmonte-carlo-pi" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dmit/monte-carlo-pi on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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-8/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xoshiro v0.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fe80f73316a6fef1becb6885ed781ec16275b5c412803bf5cb7529e9aaccd1e
[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" "3fe80f73316a6fef1becb6885ed781ec16275b5c412803bf5cb7529e9aaccd1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fe80f73316a6fef1becb6885ed781ec16275b5c412803bf5cb7529e9aaccd1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fe80f73316a6fef1becb6885ed781ec16275b5c412803bf5cb7529e9aaccd1e", kill_on_drop: false }`
[INFO] [stdout] 3fe80f73316a6fef1becb6885ed781ec16275b5c412803bf5cb7529e9aaccd1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00b18a147cb0ef66cf2e36e08759c1b16d1bfc4cb1d66082b80763baa7fc5f63
[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" "00b18a147cb0ef66cf2e36e08759c1b16d1bfc4cb1d66082b80763baa7fc5f63", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking xoshiro v0.0.4
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking monte-carlo-pi 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/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 `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/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 `Duration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `monte-carlo-pi`
[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" "00b18a147cb0ef66cf2e36e08759c1b16d1bfc4cb1d66082b80763baa7fc5f63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00b18a147cb0ef66cf2e36e08759c1b16d1bfc4cb1d66082b80763baa7fc5f63", kill_on_drop: false }`
[INFO] [stdout] 00b18a147cb0ef66cf2e36e08759c1b16d1bfc4cb1d66082b80763baa7fc5f63