[INFO] cloning repository https://github.com/Sighery/mandelbrot-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sighery/mandelbrot-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSighery%2Fmandelbrot-rust"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSighery%2Fmandelbrot-rust'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b74825a555aae7f93ab641991f5dcb24b872f74f
[INFO] testing Sighery/mandelbrot-rust against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSighery%2Fmandelbrot-rust" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sighery/mandelbrot-rust on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Sighery/mandelbrot-rust
[INFO] finished tweaking git repo https://github.com/Sighery/mandelbrot-rust
[INFO] tweaked toml for git repo https://github.com/Sighery/mandelbrot-rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Sighery/mandelbrot-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 381d5a4369aabd1bd531d014a612c768441b3ba0b765cedff1db4014bfe68bb1
[INFO] running `"docker" "start" "-a" "381d5a4369aabd1bd531d014a612c768441b3ba0b765cedff1db4014bfe68bb1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling inflate v0.2.0
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling png v0.7.0
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling image v0.13.0
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `square_loop`
[INFO] [stderr]    --> src/main.rs:105:4
[INFO] [stderr]     |
[INFO] [stderr] 105 | fn square_loop(mut x: f64) {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `square_add_loop`
[INFO] [stderr]    --> src/main.rs:112:4
[INFO] [stderr]     |
[INFO] [stderr] 112 | fn square_add_loop(c: f64) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.15s
[INFO] running `"docker" "inspect" "381d5a4369aabd1bd531d014a612c768441b3ba0b765cedff1db4014bfe68bb1"`
[INFO] running `"docker" "rm" "-f" "381d5a4369aabd1bd531d014a612c768441b3ba0b765cedff1db4014bfe68bb1"`
[INFO] [stdout] 381d5a4369aabd1bd531d014a612c768441b3ba0b765cedff1db4014bfe68bb1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 64a9b2bccaa7e5b44371f0aeaf8d56d100a71ed4e604602a9ea1ccbef07ef1a0
[INFO] running `"docker" "start" "-a" "64a9b2bccaa7e5b44371f0aeaf8d56d100a71ed4e604602a9ea1ccbef07ef1a0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `square_loop`
[INFO] [stderr]    --> src/main.rs:105:4
[INFO] [stderr]     |
[INFO] [stderr] 105 | fn square_loop(mut x: f64) {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `square_add_loop`
[INFO] [stderr]    --> src/main.rs:112:4
[INFO] [stderr]     |
[INFO] [stderr] 112 | fn square_add_loop(c: f64) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.68s
[INFO] running `"docker" "inspect" "64a9b2bccaa7e5b44371f0aeaf8d56d100a71ed4e604602a9ea1ccbef07ef1a0"`
[INFO] running `"docker" "rm" "-f" "64a9b2bccaa7e5b44371f0aeaf8d56d100a71ed4e604602a9ea1ccbef07ef1a0"`
[INFO] [stdout] 64a9b2bccaa7e5b44371f0aeaf8d56d100a71ed4e604602a9ea1ccbef07ef1a0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 09e29525128c7dd0eeef06761d93002dacbd3e068497ecaceabb818084f299d0
[INFO] running `"docker" "start" "-a" "09e29525128c7dd0eeef06761d93002dacbd3e068497ecaceabb818084f299d0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: function is never used: `square_loop`
[INFO] [stderr]    --> src/main.rs:105:4
[INFO] [stderr]     |
[INFO] [stderr] 105 | fn square_loop(mut x: f64) {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `square_add_loop`
[INFO] [stderr]    --> src/main.rs:112:4
[INFO] [stderr]     |
[INFO] [stderr] 112 | fn square_add_loop(c: f64) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mandelbrot-1f51607aee29e2ff
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_parse_pair ... ok
[INFO] [stdout] test test_pixel_to_point ... ok
[INFO] [stdout] test test_parse_complex ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "09e29525128c7dd0eeef06761d93002dacbd3e068497ecaceabb818084f299d0"`
[INFO] running `"docker" "rm" "-f" "09e29525128c7dd0eeef06761d93002dacbd3e068497ecaceabb818084f299d0"`
[INFO] [stdout] 09e29525128c7dd0eeef06761d93002dacbd3e068497ecaceabb818084f299d0