[INFO] cloning repository https://github.com/asg0451/nbor
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/asg0451/nbor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasg0451%2Fnbor"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasg0451%2Fnbor'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ddf0cbc36072449976cfba1a11a29bbbb9f29373
[INFO] checking asg0451/nbor against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasg0451%2Fnbor" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/asg0451/nbor on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/asg0451/nbor
[INFO] finished tweaking git repo https://github.com/asg0451/nbor
[INFO] tweaked toml for git repo https://github.com/asg0451/nbor written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/asg0451/nbor already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "/opt/rustwide/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 47371900dabceec06ee3827283cada7c114f6154c9359316998cb1fd1a9b862d
[INFO] running `"docker" "start" "-a" "47371900dabceec06ee3827283cada7c114f6154c9359316998cb1fd1a9b862d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking terminal_size v0.1.12
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking ctrlc v3.1.4
[INFO] [stderr]     Checking nbor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `AtomicBool`, `Ordering`
[INFO] [stderr]   --> src/main.rs:16:14
[INFO] [stderr]    |
[INFO] [stderr] 16 |     atomic::{AtomicBool, Ordering},
[INFO] [stderr]    |              ^^^^^^^^^^  ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AtomicBool`, `Ordering`
[INFO] [stderr]   --> src/main.rs:16:14
[INFO] [stderr]    |
[INFO] [stderr] 16 |     atomic::{AtomicBool, Ordering},
[INFO] [stderr]    |              ^^^^^^^^^^  ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `render_thread`
[INFO] [stderr]    --> src/render.rs:121:8
[INFO] [stderr]     |
[INFO] [stderr] 121 | pub fn render_thread(
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sim_thread`
[INFO] [stderr]   --> src/sim.rs:89:8
[INFO] [stderr]    |
[INFO] [stderr] 89 | pub fn sim_thread(
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `render_thread`
[INFO] [stderr]    --> src/render.rs:121:8
[INFO] [stderr]     |
[INFO] [stderr] 121 | pub fn render_thread(
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sim_thread`
[INFO] [stderr]   --> src/sim.rs:89:8
[INFO] [stderr]    |
[INFO] [stderr] 89 | pub fn sim_thread(
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.70s
[INFO] running `"docker" "inspect" "47371900dabceec06ee3827283cada7c114f6154c9359316998cb1fd1a9b862d"`
[INFO] running `"docker" "rm" "-f" "47371900dabceec06ee3827283cada7c114f6154c9359316998cb1fd1a9b862d"`
[INFO] [stdout] 47371900dabceec06ee3827283cada7c114f6154c9359316998cb1fd1a9b862d