[INFO] fetching crate steganer 1.1.0-post4... [INFO] checking steganer-1.1.0-post4 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] extracting crate steganer 1.1.0-post4 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate steganer 1.1.0-post4 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate steganer 1.1.0-post4 [INFO] finished tweaking crates.io crate steganer 1.1.0-post4 [INFO] tweaked toml for crates.io crate steganer 1.1.0-post4 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate crates.io crate steganer 1.1.0-post4 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ghost v0.1.1 [INFO] [stderr] Downloaded num v0.2.0 [INFO] [stderr] Downloaded getrandom v0.1.12 [INFO] [stderr] Downloaded wasi v0.7.0 [INFO] [stderr] Downloaded backtrace v0.3.38 [INFO] [stderr] Downloaded indoc v0.3.4 [INFO] [stderr] Downloaded bitreader v0.3.2 [INFO] [stderr] Downloaded bitflags v1.2.0 [INFO] [stderr] Downloaded pyo3cls v0.8.1 [INFO] [stderr] Downloaded indoc-impl v0.3.4 [INFO] [stderr] Downloaded regex-syntax v0.6.12 [INFO] [stderr] Downloaded paste-impl v0.1.6 [INFO] [stderr] Downloaded pyo3 v0.8.1 [INFO] [stderr] Downloaded pyo3-derive-backend v0.8.1 [INFO] [stderr] Downloaded cc v1.0.45 [INFO] [stderr] Downloaded serde_derive v1.0.101 [INFO] [stderr] Downloaded c2-chacha v0.2.2 [INFO] [stderr] Downloaded ctor v0.1.12 [INFO] [stderr] Downloaded jpeg-decoder v0.1.16 [INFO] [stderr] Downloaded rayon v1.2.0 [INFO] [stderr] Downloaded serde_json v1.0.41 [INFO] [stderr] Downloaded proc-macro-hack v0.5.10 [INFO] [stderr] Downloaded num-complex v0.2.3 [INFO] [stderr] Downloaded inventory v0.1.4 [INFO] [stderr] Downloaded rand v0.7.2 [INFO] [stderr] Downloaded proc-macro2 v1.0.5 [INFO] [stderr] Downloaded num-bigint v0.2.3 [INFO] [stderr] Downloaded crossbeam-deque v0.7.1 [INFO] [stderr] Downloaded regex v1.3.1 [INFO] [stderr] Downloaded paste v0.1.6 [INFO] [stderr] Downloaded rayon-core v1.6.0 [INFO] [stderr] Downloaded ryu v1.0.1 [INFO] [stderr] Downloaded untrusted v0.6.2 [INFO] [stderr] Downloaded ppv-lite86 v0.2.5 [INFO] [stderr] Downloaded inventory-impl v0.1.4 [INFO] [stderr] Downloaded test_common v1.0.1 [INFO] [stderr] Downloaded unindent v0.1.5 [INFO] [stderr] Downloaded serde v1.0.101 [INFO] [stderr] Downloaded backtrace-sys v0.1.31 [INFO] [stderr] Downloaded pyo3-pack v0.7.0 [INFO] [stderr] Downloaded ring v0.14.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 259784b1378551fee8f4622025e3fe6f3d90866b5b90693867a86c270ccfdb18 [INFO] running `Command { std: "docker" "start" "-a" "259784b1378551fee8f4622025e3fe6f3d90866b5b90693867a86c270ccfdb18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "259784b1378551fee8f4622025e3fe6f3d90866b5b90693867a86c270ccfdb18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "259784b1378551fee8f4622025e3fe6f3d90866b5b90693867a86c270ccfdb18", kill_on_drop: false }` [INFO] [stdout] 259784b1378551fee8f4622025e3fe6f3d90866b5b90693867a86c270ccfdb18 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 072713ee5c92110cad1f9c8e8e8dd84f436a7518f0af300d70902eb4e1131c1b [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "072713ee5c92110cad1f9c8e8e8dd84f436a7518f0af300d70902eb4e1131c1b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.5 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling cc v1.0.45 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling ryu v1.0.1 [INFO] [stderr] Compiling bitflags v1.2.0 [INFO] [stderr] Compiling rayon-core v1.6.0 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Checking adler32 v1.0.4 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling unindent v0.1.5 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking untrusted v0.6.2 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Compiling num-bigint v0.2.3 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking bitreader v0.3.2 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking tiff v0.2.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking png v0.14.1 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Compiling ring v0.14.6 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking rayon v1.2.0 [INFO] [stderr] Checking backtrace v0.3.38 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Checking test_common v1.0.1 [INFO] [stderr] Checking jpeg-decoder v0.1.16 [INFO] [stderr] Checking image v0.21.3 [INFO] [stderr] Compiling pyo3-derive-backend v0.8.1 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Compiling proc-macro-hack v0.5.10 [INFO] [stderr] Compiling inventory-impl v0.1.4 [INFO] [stderr] Compiling ctor v0.1.12 [INFO] [stderr] Compiling ghost v0.1.1 [INFO] [stderr] Compiling pyo3cls v0.8.1 [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 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::path::PathBuf` [INFO] [stdout] --> src/fileio.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | use std::path::PathBuf; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [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: 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: 2 warnings emitted [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] warning: unused `std::result::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: value assigned to `pixel` is never read [INFO] [stdout] --> src/stegimage.rs:482:13 [INFO] [stdout] | [INFO] [stdout] 482 | let mut pixel = container.get_image().get_pixel(0,0); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pixel` is never read [INFO] [stdout] --> src/stegimage.rs:506:13 [INFO] [stdout] | [INFO] [stdout] 506 | let mut pixel = container.get_image().get_pixel(0,0); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pixel` is never read [INFO] [stdout] --> src/stegimage.rs:548:13 [INFO] [stdout] | [INFO] [stdout] 548 | let mut pixel = container.get_image().get_pixel(0,0); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pixel` is never read [INFO] [stdout] --> src/stegimage.rs:572:13 [INFO] [stdout] | [INFO] [stdout] 572 | let mut pixel = container.get_image().get_pixel(0,0); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 55s [INFO] running `Command { std: "docker" "inspect" "072713ee5c92110cad1f9c8e8e8dd84f436a7518f0af300d70902eb4e1131c1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "072713ee5c92110cad1f9c8e8e8dd84f436a7518f0af300d70902eb4e1131c1b", kill_on_drop: false }` [INFO] [stdout] 072713ee5c92110cad1f9c8e8e8dd84f436a7518f0af300d70902eb4e1131c1b