[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]    8cbaaf9..ab9ae76  debian_package -> debian_package
[INFO] [stderr]    8cbaaf9..55d2547  master         -> master
[INFO] [stderr]    8cbaaf9..55d2547  staging        -> staging
[INFO] [stderr]  * [new tag]         1.0.5          -> 1.0.5
[INFO] [stderr]  * [new tag]         1.0.4-post1    -> 1.0.4-post1
[INFO] [stderr]  * [new tag]         1.0.4-post2    -> 1.0.4-post2
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 55d2547fc339feeebd8160512645624b021ff9ab
[INFO] checking dante-signal31/steganer against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdante-signal31%2Fsteganer" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dante-signal31/steganer on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-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-0/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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-0/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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5665ab440a9bf482318a3319c38a1b4df7fe3790b4444c16f39ed7a59ec84f1a
[INFO] running `"docker" "start" "-a" "5665ab440a9bf482318a3319c38a1b4df7fe3790b4444c16f39ed7a59ec84f1a"`
[INFO] [stderr]    Compiling syn v0.15.37
[INFO] [stderr]    Compiling cbindgen v0.8.7
[INFO] [stderr]     Checking target_info v0.1.0
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]     Checking tokio-trace-core v0.2.0
[INFO] [stderr]     Checking tokio-executor v0.1.7
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking clicolors-control v1.0.0
[INFO] [stderr]     Checking quote v0.6.12
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]     Checking bzip2-sys v0.1.7
[INFO] [stderr]     Checking libflate v0.1.23
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking regex v1.1.7
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking miniz_oxide_c_api v0.2.1
[INFO] [stderr]     Checking backtrace v0.3.15
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking string v0.2.0
[INFO] [stderr]     Checking http v0.1.17
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking flate2 v1.0.9
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking zip v0.5.2
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking publicsuffix v1.5.2
[INFO] [stderr]     Checking pretty_env_logger v0.3.0
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.24
[INFO] [stderr]     Checking sct v0.5.0
[INFO] [stderr]     Checking webpki v0.19.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking ct-logs v0.5.1
[INFO] [stderr]     Checking rustls v0.15.2
[INFO] [stderr]     Checking webpki-roots v0.16.0
[INFO] [stderr]    Compiling pyo3 v0.7.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling pyo3-derive-backend v0.7.0
[INFO] [stderr]     Checking tokio-rustls v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling ctor v0.1.9
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling inventory-impl v0.1.3
[INFO] [stderr]    Compiling scroll_derive v0.9.5
[INFO] [stderr]    Compiling ghost v0.1.0
[INFO] [stderr]    Compiling structopt-derive v0.2.16
[INFO] [stderr]    Compiling pyo3cls v0.7.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking structopt v0.2.16
[INFO] [stderr]     Checking inventory v0.1.3
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.1
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]     Checking steganer v1.0.5 (/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 serde_json v1.0.39
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking toml v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking cargo_metadata v0.8.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling scroll v0.9.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking goblin v0.0.22
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking tempfile v3.0.8
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking test_common v1.0.1
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking console v0.7.7
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking indicatif v0.11.0
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.21
[INFO] [stderr]     Checking hyper v0.12.30
[INFO] [stderr]     Checking hyper-rustls v0.16.1
[INFO] [stderr]     Checking reqwest v0.9.18
[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 5m 43s
[INFO] running `"docker" "inspect" "5665ab440a9bf482318a3319c38a1b4df7fe3790b4444c16f39ed7a59ec84f1a"`
[INFO] running `"docker" "rm" "-f" "5665ab440a9bf482318a3319c38a1b4df7fe3790b4444c16f39ed7a59ec84f1a"`
[INFO] [stdout] 5665ab440a9bf482318a3319c38a1b4df7fe3790b4444c16f39ed7a59ec84f1a