[INFO] updating cached repository https://github.com/Manishearth/kuramoto-simulations
[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] c4072807923696bfa17d2099b6deeae7aae85e90
[INFO] checking Manishearth/kuramoto-simulations against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FManishearth%2Fkuramoto-simulations" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  87% (43/49)   
Checking out files:  89% (44/49)   
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Checking out files: 100% (49/49), done.
[INFO] validating manifest of git repo https://github.com/Manishearth/kuramoto-simulations on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Manishearth/kuramoto-simulations
[INFO] finished tweaking git repo https://github.com/Manishearth/kuramoto-simulations
[INFO] tweaked toml for git repo https://github.com/Manishearth/kuramoto-simulations written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Manishearth/kuramoto-simulations already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92883f3d5638e89577962cc1c120ac8f27b08b247e8c10a228785b1bc2f027b0
[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" "92883f3d5638e89577962cc1c120ac8f27b08b247e8c10a228785b1bc2f027b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92883f3d5638e89577962cc1c120ac8f27b08b247e8c10a228785b1bc2f027b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92883f3d5638e89577962cc1c120ac8f27b08b247e8c10a228785b1bc2f027b0", kill_on_drop: false }`
[INFO] [stdout] 92883f3d5638e89577962cc1c120ac8f27b08b247e8c10a228785b1bc2f027b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2c541366238b81e6c9bf0b04b55bc40edd58ac464732fd72cca4b6be2b0d178
[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" "c2c541366238b81e6c9bf0b04b55bc40edd58ac464732fd72cca4b6be2b0d178", kill_on_drop: false }`
[INFO] [stderr]     Checking kuramoto-simulations v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: invalid suffix `u` for integer literal
[INFO] [stdout]   --> src/sim.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut i = 30u;
[INFO] [stdout]    |                 ^^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for integer literal
[INFO] [stdout]   --> src/sim.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut i = 30u;
[INFO] [stdout]    |                 ^^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `serialize`
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate serialize;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kuramoto-simulations`.
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0463]: can't find crate for `serialize`
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate serialize;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c2c541366238b81e6c9bf0b04b55bc40edd58ac464732fd72cca4b6be2b0d178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2c541366238b81e6c9bf0b04b55bc40edd58ac464732fd72cca4b6be2b0d178", kill_on_drop: false }`
[INFO] [stdout] c2c541366238b81e6c9bf0b04b55bc40edd58ac464732fd72cca4b6be2b0d178