[INFO] fetching crate poisson-diskus 1.0.0-pre.2...
[INFO] checking poisson-diskus-1.0.0-pre.2 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate poisson-diskus 1.0.0-pre.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate poisson-diskus 1.0.0-pre.2 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate poisson-diskus 1.0.0-pre.2
[INFO] finished tweaking crates.io crate poisson-diskus 1.0.0-pre.2
[INFO] tweaked toml for crates.io crate poisson-diskus 1.0.0-pre.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate poisson-diskus 1.0.0-pre.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 887c090367e1f13dd89436d2e2f459d1300a0dcc36bc9e73fffbdea356e85067
[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" "887c090367e1f13dd89436d2e2f459d1300a0dcc36bc9e73fffbdea356e85067", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "887c090367e1f13dd89436d2e2f459d1300a0dcc36bc9e73fffbdea356e85067", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "887c090367e1f13dd89436d2e2f459d1300a0dcc36bc9e73fffbdea356e85067", kill_on_drop: false }`
[INFO] [stdout] 887c090367e1f13dd89436d2e2f459d1300a0dcc36bc9e73fffbdea356e85067
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81af5532edb246f47d6ebb040f870184459382296b3382aa341d5c523efb0f74
[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" "81af5532edb246f47d6ebb040f870184459382296b3382aa341d5c523efb0f74", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand_distr v0.3.0
[INFO] [stderr]     Checking poisson-diskus v1.0.0-pre.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `get_position`
[INFO] [stdout]   --> src/grid.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn get_position(&self, index: usize) -> Option<Vec<usize>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.94s
[INFO] running `Command { std: "docker" "inspect" "81af5532edb246f47d6ebb040f870184459382296b3382aa341d5c523efb0f74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81af5532edb246f47d6ebb040f870184459382296b3382aa341d5c523efb0f74", kill_on_drop: false }`
[INFO] [stdout] 81af5532edb246f47d6ebb040f870184459382296b3382aa341d5c523efb0f74