[INFO] updating cached repository https://github.com/edvorg/mosaic
[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] 1924e003ea35606875f3aa8ae51f7c2a0947241a
[INFO] testing edvorg/mosaic against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedvorg%2Fmosaic" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/edvorg/mosaic 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/edvorg/mosaic
[INFO] finished tweaking git repo https://github.com/edvorg/mosaic
[INFO] tweaked toml for git repo https://github.com/edvorg/mosaic written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/edvorg/mosaic 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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 4f3ac340a22c8924a540ec932d8482328c3db32693ec3851cdb13e4797f94190
[INFO] running `"docker" "start" "-a" "4f3ac340a22c8924a540ec932d8482328c3db32693ec3851cdb13e4797f94190"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling safe-transmute v0.10.1
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling inflate v0.4.4
[INFO] [stderr]    Compiling gif v0.10.1
[INFO] [stderr]    Compiling deflate v0.7.19
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling num_cpus v1.9.0
[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling png v0.14.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling tiff v0.2.1
[INFO] [stderr]    Compiling image v0.21.0
[INFO] [stderr]    Compiling mosaic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `pixel`
[INFO] [stderr]    --> src/main.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |     let pixel = output.get_pixel_mut(100, 100);
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_pixel`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.42s
[INFO] running `"docker" "inspect" "4f3ac340a22c8924a540ec932d8482328c3db32693ec3851cdb13e4797f94190"`
[INFO] running `"docker" "rm" "-f" "4f3ac340a22c8924a540ec932d8482328c3db32693ec3851cdb13e4797f94190"`
[INFO] [stdout] 4f3ac340a22c8924a540ec932d8482328c3db32693ec3851cdb13e4797f94190
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] b4c70c8cd00b19fe1fc75809905d256593d19b6a28929bdb3713a740371db3eb
[INFO] running `"docker" "start" "-a" "b4c70c8cd00b19fe1fc75809905d256593d19b6a28929bdb3713a740371db3eb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling mosaic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `pixel`
[INFO] [stderr]    --> src/main.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |     let pixel = output.get_pixel_mut(100, 100);
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_pixel`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "b4c70c8cd00b19fe1fc75809905d256593d19b6a28929bdb3713a740371db3eb"`
[INFO] running `"docker" "rm" "-f" "b4c70c8cd00b19fe1fc75809905d256593d19b6a28929bdb3713a740371db3eb"`
[INFO] [stdout] b4c70c8cd00b19fe1fc75809905d256593d19b6a28929bdb3713a740371db3eb
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] b6466dc8fe71d791efb42551cd28cfc55c1d90d2705d5aa30697c7f82f18ade5
[INFO] running `"docker" "start" "-a" "b6466dc8fe71d791efb42551cd28cfc55c1d90d2705d5aa30697c7f82f18ade5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused variable: `pixel`
[INFO] [stderr]    --> src/main.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |     let pixel = output.get_pixel_mut(100, 100);
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_pixel`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mosaic-57470e27732200ed
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b6466dc8fe71d791efb42551cd28cfc55c1d90d2705d5aa30697c7f82f18ade5"`
[INFO] running `"docker" "rm" "-f" "b6466dc8fe71d791efb42551cd28cfc55c1d90d2705d5aa30697c7f82f18ade5"`
[INFO] [stdout] b6466dc8fe71d791efb42551cd28cfc55c1d90d2705d5aa30697c7f82f18ade5