[INFO] cloning 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" "clone" "--bare" "https://github.com/Manishearth/kuramoto-simulations" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FManishearth%2Fkuramoto-simulations", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FManishearth%2Fkuramoto-simulations'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4072807923696bfa17d2099b6deeae7aae85e90
[INFO] documenting Manishearth/kuramoto-simulations against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FManishearth%2Fkuramoto-simulations" "/workspace/builds/worker-48/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-48/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  87% (43/49)
Updating files:  89% (44/49)
Updating files:  91% (45/49)
Updating files:  93% (46/49)
Updating files:  95% (47/49)
Updating files:  97% (48/49)
Updating files: 100% (49/49)
Updating files: 100% (49/49), done.
[INFO] validating manifest of git repo https://github.com/Manishearth/kuramoto-simulations on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-48/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" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf5d082b68f90b97d99e17c0a88f9a45dffadccca9a3dba2dd434353b64d5300
[INFO] running `Command { std: "docker" "start" "-a" "bf5d082b68f90b97d99e17c0a88f9a45dffadccca9a3dba2dd434353b64d5300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf5d082b68f90b97d99e17c0a88f9a45dffadccca9a3dba2dd434353b64d5300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf5d082b68f90b97d99e17c0a88f9a45dffadccca9a3dba2dd434353b64d5300", kill_on_drop: false }`
[INFO] [stdout] bf5d082b68f90b97d99e17c0a88f9a45dffadccca9a3dba2dd434353b64d5300
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 037cb5607b869abb6242971efe55abbf52a0627d5038b31796b4f82d87895aba
[INFO] running `Command { std: "docker" "start" "-a" "037cb5607b869abb6242971efe55abbf52a0627d5038b31796b4f82d87895aba", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting kuramoto-simulations v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: invalid suffix `u` for number 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 numeric types (`u32`, `isize`, `f32`, 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] [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: could not document `kuramoto-simulations`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name Kuramoto_Sumulations src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.0.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "037cb5607b869abb6242971efe55abbf52a0627d5038b31796b4f82d87895aba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "037cb5607b869abb6242971efe55abbf52a0627d5038b31796b4f82d87895aba", kill_on_drop: false }`
[INFO] [stdout] 037cb5607b869abb6242971efe55abbf52a0627d5038b31796b4f82d87895aba
