[INFO] cloning repository https://github.com/ogeagla/fesaic
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ogeagla/fesaic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fogeagla%2Ffesaic"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fogeagla%2Ffesaic'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0cec7968b130575cc8494c78bb2c72d5a7bb87c8
[INFO] testing ogeagla/fesaic against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fogeagla%2Ffesaic" "/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/ogeagla/fesaic 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/ogeagla/fesaic
[INFO] finished tweaking git repo https://github.com/ogeagla/fesaic
[INFO] tweaked toml for git repo https://github.com/ogeagla/fesaic written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ogeagla/fesaic 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] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-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] 770e3cc567c7c8c49968db5b2f984eeebadfa4098fb86ec8496f947cdc42a245
[INFO] running `"docker" "start" "-a" "770e3cc567c7c8c49968db5b2f984eeebadfa4098fb86ec8496f947cdc42a245"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling bytemuck v1.2.0
[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 miniz_oxide v0.3.6
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling deflate v0.8.4
[INFO] [stderr]    Compiling png v0.16.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling tiff v0.4.0
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.19
[INFO] [stderr]    Compiling image v0.23.4
[INFO] [stderr]    Compiling fesaic v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num::complex::Complex`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use num::complex::Complex;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `GenericImage`, `ImageBuffer`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     GenericImage,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 11 |     ImageBuffer,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `image::ColorType`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use image::ColorType;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pixel`
[INFO] [stderr]   --> src/main.rs:50:24
[INFO] [stderr]    |
[INFO] [stderr] 50 |             for (_, _, pixel) in subimg.to_image().enumerate_pixels() {
[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: unused variable: `pix`
[INFO] [stderr]   --> src/main.rs:62:17
[INFO] [stderr]    |
[INFO] [stderr] 62 |             let pix = image::Rgba([accR, accG, accB, accA]);
[INFO] [stderr]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_pix`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `accR` should have a snake case name
[INFO] [stderr]   --> src/main.rs:44:21
[INFO] [stderr]    |
[INFO] [stderr] 44 |             let mut accR = 0.0 as f32;
[INFO] [stderr]    |                     ^^^^ help: convert the identifier to snake case: `acc_r`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `accG` should have a snake case name
[INFO] [stderr]   --> src/main.rs:45:21
[INFO] [stderr]    |
[INFO] [stderr] 45 |             let mut accG = 0.0 as f32;
[INFO] [stderr]    |                     ^^^^ help: convert the identifier to snake case: `acc_g`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `accB` should have a snake case name
[INFO] [stderr]   --> src/main.rs:46:21
[INFO] [stderr]    |
[INFO] [stderr] 46 |             let mut accB = 0.0 as f32;
[INFO] [stderr]    |                     ^^^^ help: convert the identifier to snake case: `acc_b`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `accA` should have a snake case name
[INFO] [stderr]   --> src/main.rs:47:21
[INFO] [stderr]    |
[INFO] [stderr] 47 |             let mut accA = 0.0 as f32;
[INFO] [stderr]    |                     ^^^^ help: convert the identifier to snake case: `acc_a`
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.99s
[INFO] running `"docker" "inspect" "770e3cc567c7c8c49968db5b2f984eeebadfa4098fb86ec8496f947cdc42a245"`
[INFO] running `"docker" "rm" "-f" "770e3cc567c7c8c49968db5b2f984eeebadfa4098fb86ec8496f947cdc42a245"`
[INFO] [stdout] 770e3cc567c7c8c49968db5b2f984eeebadfa4098fb86ec8496f947cdc42a245
[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] 8f734f871b25d3dc2a9d43ba84ea3e50d21881b7bdcf7849c60ddab4bd0e14b5
[INFO] running `"docker" "start" "-a" "8f734f871b25d3dc2a9d43ba84ea3e50d21881b7bdcf7849c60ddab4bd0e14b5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling fesaic v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num::complex::Complex`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use num::complex::Complex;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `GenericImage`, `ImageBuffer`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     GenericImage,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 11 |     ImageBuffer,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `image::ColorType`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use image::ColorType;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pixel`
[INFO] [stderr]   --> src/main.rs:50:24
[INFO] [stderr]    |
[INFO] [stderr] 50 |             for (_, _, pixel) in subimg.to_image().enumerate_pixels() {
[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: unused variable: `pix`
[INFO] [stderr]   --> src/main.rs:62:17
[INFO] [stderr]    |
[INFO] [stderr] 62 |             let pix = image::Rgba([accR, accG, accB, accA]);
[INFO] [stderr]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_pix`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `accR` should have a snake case name
[INFO] [stderr]   --> src/main.rs:44:21
[INFO] [stderr]    |
[INFO] [stderr] 44 |             let mut accR = 0.0 as f32;
[INFO] [stderr]    |                     ^^^^ help: convert the identifier to snake case: `acc_r`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `accG` should have a snake case name
[INFO] [stderr]   --> src/main.rs:45:21
[INFO] [stderr]    |
[INFO] [stderr] 45 |             let mut accG = 0.0 as f32;
[INFO] [stderr]    |                     ^^^^ help: convert the identifier to snake case: `acc_g`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `accB` should have a snake case name
[INFO] [stderr]   --> src/main.rs:46:21
[INFO] [stderr]    |
[INFO] [stderr] 46 |             let mut accB = 0.0 as f32;
[INFO] [stderr]    |                     ^^^^ help: convert the identifier to snake case: `acc_b`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `accA` should have a snake case name
[INFO] [stderr]   --> src/main.rs:47:21
[INFO] [stderr]    |
[INFO] [stderr] 47 |             let mut accA = 0.0 as f32;
[INFO] [stderr]    |                     ^^^^ help: convert the identifier to snake case: `acc_a`
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "8f734f871b25d3dc2a9d43ba84ea3e50d21881b7bdcf7849c60ddab4bd0e14b5"`
[INFO] running `"docker" "rm" "-f" "8f734f871b25d3dc2a9d43ba84ea3e50d21881b7bdcf7849c60ddab4bd0e14b5"`
[INFO] [stdout] 8f734f871b25d3dc2a9d43ba84ea3e50d21881b7bdcf7849c60ddab4bd0e14b5
[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] 154d3f28d2ab218abcc8884196fb272e4d68bd3a417868529a89e7124644c6c2
[INFO] running `"docker" "start" "-a" "154d3f28d2ab218abcc8884196fb272e4d68bd3a417868529a89e7124644c6c2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num::complex::Complex`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use num::complex::Complex;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `GenericImage`, `ImageBuffer`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     GenericImage,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 11 |     ImageBuffer,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `image::ColorType`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use image::ColorType;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pixel`
[INFO] [stderr]   --> src/main.rs:50:24
[INFO] [stderr]    |
[INFO] [stderr] 50 |             for (_, _, pixel) in subimg.to_image().enumerate_pixels() {
[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: unused variable: `pix`
[INFO] [stderr]   --> src/main.rs:62:17
[INFO] [stderr]    |
[INFO] [stderr] 62 |             let pix = image::Rgba([accR, accG, accB, accA]);
[INFO] [stderr]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_pix`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `accR` should have a snake case name
[INFO] [stderr]   --> src/main.rs:44:21
[INFO] [stderr]    |
[INFO] [stderr] 44 |             let mut accR = 0.0 as f32;
[INFO] [stderr]    |                     ^^^^ help: convert the identifier to snake case: `acc_r`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `accG` should have a snake case name
[INFO] [stderr]   --> src/main.rs:45:21
[INFO] [stderr]    |
[INFO] [stderr] 45 |             let mut accG = 0.0 as f32;
[INFO] [stderr]    |                     ^^^^ help: convert the identifier to snake case: `acc_g`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `accB` should have a snake case name
[INFO] [stderr]   --> src/main.rs:46:21
[INFO] [stderr]    |
[INFO] [stderr] 46 |             let mut accB = 0.0 as f32;
[INFO] [stderr]    |                     ^^^^ help: convert the identifier to snake case: `acc_b`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `accA` should have a snake case name
[INFO] [stderr]   --> src/main.rs:47:21
[INFO] [stderr]    |
[INFO] [stderr] 47 |             let mut accA = 0.0 as f32;
[INFO] [stderr]    |                     ^^^^ help: convert the identifier to snake case: `acc_a`
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fesaic-e31c0d5ca5ad294b
[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" "154d3f28d2ab218abcc8884196fb272e4d68bd3a417868529a89e7124644c6c2"`
[INFO] running `"docker" "rm" "-f" "154d3f28d2ab218abcc8884196fb272e4d68bd3a417868529a89e7124644c6c2"`
[INFO] [stdout] 154d3f28d2ab218abcc8884196fb272e4d68bd3a417868529a89e7124644c6c2