[INFO] updating cached repository https://github.com/verdie-g/photo-mosaic
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] b2ae2469829f52ed686c0737aa0789a4c191b2db
[INFO] testing verdie-g/photo-mosaic against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fverdie-g%2Fphoto-mosaic" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/verdie-g/photo-mosaic on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/verdie-g/photo-mosaic
[INFO] finished tweaking git repo https://github.com/verdie-g/photo-mosaic
[INFO] tweaked toml for git repo https://github.com/verdie-g/photo-mosaic written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/verdie-g/photo-mosaic already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] e55cd8fb941bef2441f44b8a5f718492be050bd91364d4aabdf02a9c6cc313ec
[INFO] running `"docker" "start" "-a" "e55cd8fb941bef2441f44b8a5f718492be050bd91364d4aabdf02a9c6cc313ec"`
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling safe-transmute v0.10.1
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling gif v0.10.1
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling deflate v0.7.19
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling png v0.14.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling image v0.21.0
[INFO] [stderr]    Compiling mosaic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:135:21
[INFO] [stderr]     |
[INFO] [stderr] 135 | ) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:145:43
[INFO] [stderr]     |
[INFO] [stderr] 145 | ) -> Result<ProcessedPictureMetadata, Box<Error>> {
[INFO] [stderr]     |                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `w`
[INFO] [stderr]    --> src/main.rs:236:10
[INFO] [stderr]     |
[INFO] [stderr] 236 |     let (w, h) = model.dimensions();
[INFO] [stderr]     |          ^ help: consider prefixing with an underscore: `_w`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]    --> src/main.rs:236:13
[INFO] [stderr]     |
[INFO] [stderr] 236 |     let (w, h) = model.dimensions();
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_h`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.77s
[INFO] running `"docker" "inspect" "e55cd8fb941bef2441f44b8a5f718492be050bd91364d4aabdf02a9c6cc313ec"`
[INFO] running `"docker" "rm" "-f" "e55cd8fb941bef2441f44b8a5f718492be050bd91364d4aabdf02a9c6cc313ec"`
[INFO] [stdout] e55cd8fb941bef2441f44b8a5f718492be050bd91364d4aabdf02a9c6cc313ec
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b2044f7af4bcccea770d2ac277eb890d8e29c7a5b2be58fabb799c99d10d2718
[INFO] running `"docker" "start" "-a" "b2044f7af4bcccea770d2ac277eb890d8e29c7a5b2be58fabb799c99d10d2718"`
[INFO] [stderr]    Compiling mosaic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:135:21
[INFO] [stderr]     |
[INFO] [stderr] 135 | ) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:145:43
[INFO] [stderr]     |
[INFO] [stderr] 145 | ) -> Result<ProcessedPictureMetadata, Box<Error>> {
[INFO] [stderr]     |                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `w`
[INFO] [stderr]    --> src/main.rs:236:10
[INFO] [stderr]     |
[INFO] [stderr] 236 |     let (w, h) = model.dimensions();
[INFO] [stderr]     |          ^ help: consider prefixing with an underscore: `_w`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]    --> src/main.rs:236:13
[INFO] [stderr]     |
[INFO] [stderr] 236 |     let (w, h) = model.dimensions();
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_h`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `"docker" "inspect" "b2044f7af4bcccea770d2ac277eb890d8e29c7a5b2be58fabb799c99d10d2718"`
[INFO] running `"docker" "rm" "-f" "b2044f7af4bcccea770d2ac277eb890d8e29c7a5b2be58fabb799c99d10d2718"`
[INFO] [stdout] b2044f7af4bcccea770d2ac277eb890d8e29c7a5b2be58fabb799c99d10d2718
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 51f2a5c6e765120e4ff6a08cfd2709e3bc9326972d7fe6628027a239b7ebfae3
[INFO] running `"docker" "start" "-a" "51f2a5c6e765120e4ff6a08cfd2709e3bc9326972d7fe6628027a239b7ebfae3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mosaic-76ec752a9c2f9e11
[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" "51f2a5c6e765120e4ff6a08cfd2709e3bc9326972d7fe6628027a239b7ebfae3"`
[INFO] running `"docker" "rm" "-f" "51f2a5c6e765120e4ff6a08cfd2709e3bc9326972d7fe6628027a239b7ebfae3"`
[INFO] [stdout] 51f2a5c6e765120e4ff6a08cfd2709e3bc9326972d7fe6628027a239b7ebfae3