[INFO] updating cached repository https://github.com/bumzack/rustmandel [INFO] running `"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"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c2666a770c5cbd78d846c0ed298dc431af255db9 [INFO] checking bumzack/rustmandel against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbumzack%2Frustmandel" "/workspace/builds/worker-9/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bumzack/rustmandel on toolchain d7b51666469c792a8a3f40849607739bae1e705e [INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/bumzack/rustmandel [INFO] finished tweaking git repo https://github.com/bumzack/rustmandel [INFO] tweaked toml for git repo https://github.com/bumzack/rustmandel written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/bumzack/rustmandel already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+d7b51666469c792a8a3f40849607739bae1e705e" "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] 3b1045a2354f2336db645786816c1885ebe348517d1ce6778acdc74c4d934d56 [INFO] running `"docker" "start" "-a" "3b1045a2354f2336db645786816c1885ebe348517d1ce6778acdc74c4d934d56"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling num-derive v0.2.4 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking safe-transmute v0.10.1 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Checking deflate v0.7.19 [INFO] [stderr] Checking num-integer v0.1.39 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking num-iter v0.1.37 [INFO] [stderr] Checking gif v0.10.1 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking rayon-core v1.4.1 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Checking png v0.14.0 [INFO] [stderr] Compiling syn v0.15.30 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Checking tiff v0.2.2 [INFO] [stderr] Checking image v0.21.0 [INFO] [stderr] Checking mandelbrot v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `start_row` [INFO] [stderr] --> src/main.rs:64:13 [INFO] [stderr] | [INFO] [stderr] 64 | let start_row = Instant::now(); [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_row` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `stopped_row` [INFO] [stderr] --> src/main.rs:88:13 [INFO] [stderr] | [INFO] [stderr] 88 | let stopped_row = Instant::now(); [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stopped_row` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:106:9 [INFO] [stderr] | [INFO] [stderr] 106 | let mut image: RgbImage = ImageBuffer::new(WIDTH as u32, HEIGHT as u32); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main_single` [INFO] [stderr] --> src/main.rs:35:4 [INFO] [stderr] | [INFO] [stderr] 35 | fn main_single() { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `start_row` [INFO] [stderr] --> src/main.rs:64:13 [INFO] [stderr] | [INFO] [stderr] 64 | let start_row = Instant::now(); [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_row` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `stopped_row` [INFO] [stderr] --> src/main.rs:88:13 [INFO] [stderr] | [INFO] [stderr] 88 | let stopped_row = Instant::now(); [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stopped_row` [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:106:9 [INFO] [stderr] | [INFO] [stderr] 106 | let mut image: RgbImage = ImageBuffer::new(WIDTH as u32, HEIGHT as u32); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main_single` [INFO] [stderr] --> src/main.rs:35:4 [INFO] [stderr] | [INFO] [stderr] 35 | fn main_single() { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 25.16s [INFO] running `"docker" "inspect" "3b1045a2354f2336db645786816c1885ebe348517d1ce6778acdc74c4d934d56"` [INFO] running `"docker" "rm" "-f" "3b1045a2354f2336db645786816c1885ebe348517d1ce6778acdc74c4d934d56"` [INFO] [stdout] 3b1045a2354f2336db645786816c1885ebe348517d1ce6778acdc74c4d934d56