[INFO] updating cached repository https://github.com/dante-signal31/steganer
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/dante-signal31/steganer
[INFO] [stderr]  - [deleted]         (none)     -> debian_package
[INFO] [stderr]  - [deleted]         (none)     -> manpage
[INFO] [stderr]  - [deleted]         (none)     -> python_module
[INFO] [stderr]  - [deleted]         (none)     -> travis
[INFO] [stderr]  * [new branch]      rpm-package -> rpm-package
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f39cf2288922143446bd64da137814aa956a93fa
[INFO] checking dante-signal31/steganer against master#9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7 for pr-64564
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdante-signal31%2Fsteganer" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dante-signal31/steganer on toolchain 9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/dante-signal31/steganer
[INFO] finished tweaking git repo https://github.com/dante-signal31/steganer
[INFO] tweaked toml for git repo https://github.com/dante-signal31/steganer written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/dante-signal31/steganer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/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=forbid" "-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" "+9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 64b770d279860beee227b90f91bc24226f9ed4707831f0de23766076161656ce
[INFO] running `"docker" "start" "-a" "64b770d279860beee227b90f91bc24226f9ed4707831f0de23766076161656ce"`
[INFO] [stderr]    Compiling cbindgen v0.8.7
[INFO] [stderr]     Checking target_info v0.1.0
[INFO] [stderr]     Checking platforms v0.2.1
[INFO] [stderr]     Checking bitreader v0.3.2
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]     Checking rpassword v3.0.2
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking bzip2-sys v0.1.7
[INFO] [stderr]    Compiling ghost v0.1.1
[INFO] [stderr]    Compiling inventory-impl v0.1.4
[INFO] [stderr]    Compiling ctor v0.1.12
[INFO] [stderr]    Compiling scroll_derive v0.9.5
[INFO] [stderr]    Compiling pyo3-derive-backend v0.7.0
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking syn v0.15.44
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]     Checking zip v0.5.3
[INFO] [stderr]     Checking inventory v0.1.4
[INFO] [stderr]     Checking webpki v0.19.1
[INFO] [stderr]     Checking sct v0.5.0
[INFO] [stderr]     Checking test_common v1.0.1
[INFO] [stderr]    Compiling pyo3cls v0.7.0
[INFO] [stderr]     Checking webpki-roots v0.16.0
[INFO] [stderr]     Checking rustls v0.15.2
[INFO] [stderr]     Checking ct-logs v0.5.1
[INFO] [stderr]     Checking pyo3 v0.7.0
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]     Checking tokio-rustls v0.9.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking cargo_metadata v0.8.2
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling scroll v0.9.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking goblin v0.0.22
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking indicatif v0.11.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]     Checking image v0.21.3
[INFO] [stderr]     Checking hyper-rustls v0.16.1
[INFO] [stderr]     Checking reqwest v0.9.19
[INFO] [stderr]     Checking steganer v1.1.0-post1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::path::PathBuf`
[INFO] [stderr]   --> src/fileio.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 | use std::path::PathBuf;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_image`
[INFO] [stderr]    --> src/stegimage.rs:272:5
[INFO] [stderr]     |
[INFO] [stderr] 272 |     fn get_image(&mut self)-> &mut DynamicImage {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Checking pyo3-pack v0.6.1
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]    --> src/fileio.rs:378:27
[INFO] [stderr]     |
[INFO] [stderr] 378 |     use std::io::{Cursor, Read};
[INFO] [stderr]     |                           ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/fileio.rs:446:39
[INFO] [stderr]     |
[INFO] [stderr] 446 |     fn test_iterator_next_under_8() { ;
[INFO] [stderr]     |                                       ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolon)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> tests/integration_tests.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 | /     copy_files(files_to_copy, test_folder_path.to_str()
[INFO] [stderr] 60 | |         .expect("Test folder path contains non valid unicode characters that made conversion impossible."));
[INFO] [stderr]    | |____________________________________________________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `pixel` is never read
[INFO] [stderr]    --> src/stegimage.rs:482:17
[INFO] [stderr]     |
[INFO] [stderr] 482 |         let mut pixel = container.get_image().get_pixel(0,0);
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `pixel` is never read
[INFO] [stderr]    --> src/stegimage.rs:506:17
[INFO] [stderr]     |
[INFO] [stderr] 506 |         let mut pixel = container.get_image().get_pixel(0,0);
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `pixel` is never read
[INFO] [stderr]    --> src/stegimage.rs:548:17
[INFO] [stderr]     |
[INFO] [stderr] 548 |         let mut pixel = container.get_image().get_pixel(0,0);
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `pixel` is never read
[INFO] [stderr]    --> src/stegimage.rs:572:17
[INFO] [stderr]     |
[INFO] [stderr] 572 |         let mut pixel = container.get_image().get_pixel(0,0);
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 09s
[INFO] running `"docker" "inspect" "64b770d279860beee227b90f91bc24226f9ed4707831f0de23766076161656ce"`
[INFO] running `"docker" "rm" "-f" "64b770d279860beee227b90f91bc24226f9ed4707831f0de23766076161656ce"`
[INFO] [stdout] 64b770d279860beee227b90f91bc24226f9ed4707831f0de23766076161656ce