[INFO] cloning repository https://github.com/dante-signal31/steganer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dante-signal31/steganer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdante-signal31%2Fsteganer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdante-signal31%2Fsteganer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f868b1084cf73c56a640ebb3d034cc75e36e1de
[INFO] checking dante-signal31/steganer against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdante-signal31%2Fsteganer" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dante-signal31/steganer on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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 /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/dante-signal31/steganer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitreader v0.3.1
[INFO] [stderr]   Downloaded ctor v0.1.9
[INFO] [stderr]   Downloaded ghost v0.1.0
[INFO] [stderr]   Downloaded test_common v1.0.1
[INFO] [stderr]   Downloaded image v0.21.1
[INFO] [stderr]   Downloaded syn v0.15.37
[INFO] [stderr]   Downloaded tempfile v3.0.8
[INFO] [stderr]   Downloaded pyo3-pack v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 273a9475d9915a6de6b84f1840a7857d984f6cd329c5e547ed27c294401e929c
[INFO] running `Command { std: "docker" "start" "-a" "273a9475d9915a6de6b84f1840a7857d984f6cd329c5e547ed27c294401e929c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "273a9475d9915a6de6b84f1840a7857d984f6cd329c5e547ed27c294401e929c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "273a9475d9915a6de6b84f1840a7857d984f6cd329c5e547ed27c294401e929c", kill_on_drop: false }`
[INFO] [stdout] 273a9475d9915a6de6b84f1840a7857d984f6cd329c5e547ed27c294401e929c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57cc00a5a40fa474d59ef330548ad80b383fe35bd01b008fb5d698e03bd57415
[INFO] running `Command { std: "docker" "start" "-a" "57cc00a5a40fa474d59ef330548ad80b383fe35bd01b008fb5d698e03bd57415", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.37
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling ryu v1.0.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]    Compiling unindent v0.1.5
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking rustc-demangle v0.1.14
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]     Checking bitreader v0.3.1
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking gif v0.10.1
[INFO] [stderr]     Checking arrayvec v0.4.10
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking png v0.14.0
[INFO] [stderr]     Checking tempfile v3.0.8
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking test_common v1.0.1
[INFO] [stderr]    Compiling pyo3-derive-backend v0.8.1
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling ghost v0.1.0
[INFO] [stderr]    Compiling ctor v0.1.9
[INFO] [stderr]    Compiling proc-macro-hack v0.5.10
[INFO] [stderr]    Compiling inventory-impl v0.1.4
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]    Compiling pyo3cls v0.8.1
[INFO] [stderr]     Checking image v0.21.1
[INFO] [stderr]     Checking inventory v0.1.4
[INFO] [stderr]    Compiling indoc-impl v0.3.4
[INFO] [stderr]    Compiling paste-impl v0.1.6
[INFO] [stderr]     Checking indoc v0.3.4
[INFO] [stderr]     Checking paste v0.1.6
[INFO] [stderr]    Compiling serde_json v1.0.41
[INFO] [stderr]    Compiling pyo3 v0.8.1
[INFO] [stderr]     Checking steganer v1.1.0-post4 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/fileio.rs (1 fix)
[INFO] [stdout] warning: associated function is never used: `get_image`
[INFO] [stdout]    --> src/stegimage.rs:272:8
[INFO] [stdout]     |
[INFO] [stdout] 272 |     fn get_image(&mut self)-> &mut DynamicImage {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `PathBuf` in this scope
[INFO] [stdout]    --> src/fileio.rs:388:58
[INFO] [stdout]     |
[INFO] [stdout] 388 |     fn populate_test_file(test_env: &TestEnvironment) -> PathBuf {
[INFO] [stdout]     |                                                          ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 376 |     use crate::stegimage::tests::PathBuf;
[INFO] [stdout]     |
[INFO] [stdout] 376 |     use std::path::PathBuf;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `PathBuf` in this scope
[INFO] [stdout]    --> src/fileio.rs:404:37
[INFO] [stdout]     |
[INFO] [stdout] 404 |     fn get_temporary_test_file()-> (PathBuf, TestEnvironment) {
[INFO] [stdout]     |                                     ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 376 |     use crate::stegimage::tests::PathBuf;
[INFO] [stdout]     |
[INFO] [stdout] 376 |     use std::path::PathBuf;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating src/bin/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/integration_tests.rs from 2018 edition to 2021
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]    --> src/fileio.rs:378:27
[INFO] [stdout]     |
[INFO] [stdout] 378 |     use std::io::{Cursor, Read};
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/fileio.rs:446:39
[INFO] [stdout]     |
[INFO] [stdout] 446 |     fn test_iterator_next_under_8() { ;
[INFO] [stdout]     |                                       ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/stegimage.rs:374:47
[INFO] [stdout]     |
[INFO] [stdout] 374 |                     let message: &str = error.description();
[INFO] [stdout]     |                                               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `steganer` due to 3 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/integration_tests.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | /     copy_files(files_to_copy, test_folder_path.to_str()
[INFO] [stdout] 60 | |         .expect("Test folder path contains non valid unicode characters that made conversion impossible."));
[INFO] [stdout]    | |____________________________________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stderr] error: failed to migrate to next edition
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "57cc00a5a40fa474d59ef330548ad80b383fe35bd01b008fb5d698e03bd57415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57cc00a5a40fa474d59ef330548ad80b383fe35bd01b008fb5d698e03bd57415", kill_on_drop: false }`
[INFO] [stdout] 57cc00a5a40fa474d59ef330548ad80b383fe35bd01b008fb5d698e03bd57415