[INFO] updating cached repository larryng/primg
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/larryng/primg
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/larryng/primg" "work/ex/beta-1.38-1/sources/1.37.0/gh/larryng/primg"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/larryng/primg'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/larryng/primg" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/larryng/primg"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/larryng/primg'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 390619f558b6ed44d01c1ba8224002a12a50e856
[INFO] sha for GitHub repo larryng/primg: 390619f558b6ed44d01c1ba8224002a12a50e856
[INFO] validating manifest of larryng/primg on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of larryng/primg on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing larryng/primg
[INFO] finished frobbing larryng/primg
[INFO] frobbed toml for larryng/primg written to work/ex/beta-1.38-1/sources/1.37.0/gh/larryng/primg/Cargo.toml
[INFO] started frobbing larryng/primg
[INFO] finished frobbing larryng/primg
[INFO] frobbed toml for larryng/primg written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/larryng/primg/Cargo.toml
[INFO] crate larryng/primg already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing larryng/primg against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/larryng/primg:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 1918f3acc718466266ef73d870a0cd2f7a31c1ba00d879f4a4c14988f5b35d21
[INFO] running `"docker" "start" "-a" "1918f3acc718466266ef73d870a0cd2f7a31c1ba00d879f4a4c14988f5b35d21"`
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.0
[INFO] [stderr]    Compiling num_cpus v1.7.0
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling clap v2.29.0
[INFO] [stderr]    Compiling coco v0.1.1
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.13
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling primg v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/shape.rs:502:9
[INFO] [stderr]     |
[INFO] [stderr] 502 |     for i in 0..n {
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]   --> src/util.rs:40:45
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub fn draw_lines(buf: &mut [u8], w: usize, h: usize, a: &Color, lines: &[Scanline]) {
[INFO] [stderr]    |                                             ^ help: consider prefixing with an underscore: `_h`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `put`
[INFO] [stderr]   --> src/core.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn put(&mut self, x: usize, y: usize, color: &Color) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_rgba`
[INFO] [stderr]    --> src/core.rs:192:5
[INFO] [stderr]     |
[INFO] [stderr] 192 |     pub fn to_rgba(&self) -> Rgba<u8> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `"docker" "inspect" "1918f3acc718466266ef73d870a0cd2f7a31c1ba00d879f4a4c14988f5b35d21"`
[INFO] running `"docker" "rm" "-f" "1918f3acc718466266ef73d870a0cd2f7a31c1ba00d879f4a4c14988f5b35d21"`
[INFO] [stdout] 1918f3acc718466266ef73d870a0cd2f7a31c1ba00d879f4a4c14988f5b35d21
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/larryng/primg:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c0910f9e48d0a2871177f9e2a3d9ca6a969b3d3d266f6827834a6d32d37b8a35
[INFO] running `"docker" "start" "-a" "c0910f9e48d0a2871177f9e2a3d9ca6a969b3d3d266f6827834a6d32d37b8a35"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling primg v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/shape.rs:502:9
[INFO] [stderr]     |
[INFO] [stderr] 502 |     for i in 0..n {
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]   --> src/util.rs:40:45
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub fn draw_lines(buf: &mut [u8], w: usize, h: usize, a: &Color, lines: &[Scanline]) {
[INFO] [stderr]    |                                             ^ help: consider prefixing with an underscore: `_h`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `put`
[INFO] [stderr]   --> src/core.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn put(&mut self, x: usize, y: usize, color: &Color) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_rgba`
[INFO] [stderr]    --> src/core.rs:192:5
[INFO] [stderr]     |
[INFO] [stderr] 192 |     pub fn to_rgba(&self) -> Rgba<u8> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.97s
[INFO] running `"docker" "inspect" "c0910f9e48d0a2871177f9e2a3d9ca6a969b3d3d266f6827834a6d32d37b8a35"`
[INFO] running `"docker" "rm" "-f" "c0910f9e48d0a2871177f9e2a3d9ca6a969b3d3d266f6827834a6d32d37b8a35"`
[INFO] [stdout] c0910f9e48d0a2871177f9e2a3d9ca6a969b3d3d266f6827834a6d32d37b8a35
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/larryng/primg:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 616c4e1154b06105b0460abd610bbc02af171c563da36821bf8ecfe6f44fb8a6
[INFO] running `"docker" "start" "-a" "616c4e1154b06105b0460abd610bbc02af171c563da36821bf8ecfe6f44fb8a6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/primg-cb78c3d927117ac8
[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] [stderr]      Running /opt/crater/target/debug/deps/main-64a7141924fef141
[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] [stderr]    Doc-tests primg
[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" "616c4e1154b06105b0460abd610bbc02af171c563da36821bf8ecfe6f44fb8a6"`
[INFO] running `"docker" "rm" "-f" "616c4e1154b06105b0460abd610bbc02af171c563da36821bf8ecfe6f44fb8a6"`
[INFO] [stdout] 616c4e1154b06105b0460abd610bbc02af171c563da36821bf8ecfe6f44fb8a6