[INFO] cloning repository https://github.com/flaviodesousa/rust-book-dining-philosophers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flaviodesousa/rust-book-dining-philosophers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflaviodesousa%2Frust-book-dining-philosophers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflaviodesousa%2Frust-book-dining-philosophers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 12eba37bbb7e57cbf8058cee2aabe040ac4a134c
[INFO] checking flaviodesousa/rust-book-dining-philosophers against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflaviodesousa%2Frust-book-dining-philosophers" "/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/flaviodesousa/rust-book-dining-philosophers on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/flaviodesousa/rust-book-dining-philosophers
[INFO] finished tweaking git repo https://github.com/flaviodesousa/rust-book-dining-philosophers
[INFO] tweaked toml for git repo https://github.com/flaviodesousa/rust-book-dining-philosophers written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/flaviodesousa/rust-book-dining-philosophers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83c074ee683d038fdb7a3b961eda060023d293b74bb4571cc8870ff70cca41d4
[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" "83c074ee683d038fdb7a3b961eda060023d293b74bb4571cc8870ff70cca41d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83c074ee683d038fdb7a3b961eda060023d293b74bb4571cc8870ff70cca41d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83c074ee683d038fdb7a3b961eda060023d293b74bb4571cc8870ff70cca41d4", kill_on_drop: false }`
[INFO] [stdout] 83c074ee683d038fdb7a3b961eda060023d293b74bb4571cc8870ff70cca41d4
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 4dc97664c0744c95519be38bbcfbc03cd3a179287cdcde696f81c0f80d322600
[INFO] running `Command { std: "docker" "start" "-a" "4dc97664c0744c95519be38bbcfbc03cd3a179287cdcde696f81c0f80d322600", kill_on_drop: false }`
[INFO] [stderr]     Checking dining-philosophers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/main.rs:25:3
[INFO] [stdout]    |
[INFO] [stdout] 25 |         thread::sleep_ms(1000);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/main.rs:25:3
[INFO] [stdout]    |
[INFO] [stdout] 25 |         thread::sleep_ms(1000);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "4dc97664c0744c95519be38bbcfbc03cd3a179287cdcde696f81c0f80d322600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dc97664c0744c95519be38bbcfbc03cd3a179287cdcde696f81c0f80d322600", kill_on_drop: false }`
[INFO] [stdout] 4dc97664c0744c95519be38bbcfbc03cd3a179287cdcde696f81c0f80d322600