[INFO] fetching crate stegomage 0.1.0...
[INFO] testing stegomage-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate stegomage 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate stegomage 0.1.0
[INFO] finished tweaking crates.io crate stegomage 0.1.0
[INFO] tweaked toml for crates.io crate stegomage 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stegomage 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate stegomage 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.58
[INFO] [stderr]   Downloaded quote v1.0.27
[INFO] [stderr]   Downloaded syn v2.0.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b3c81bf8ee18abd41beb4a4997c993295b7bcd3806cf74ab7b731fdd397b12f
[INFO] running `Command { std: "docker" "start" "-a" "4b3c81bf8ee18abd41beb4a4997c993295b7bcd3806cf74ab7b731fdd397b12f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b3c81bf8ee18abd41beb4a4997c993295b7bcd3806cf74ab7b731fdd397b12f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b3c81bf8ee18abd41beb4a4997c993295b7bcd3806cf74ab7b731fdd397b12f", kill_on_drop: false }`
[INFO] [stdout] 4b3c81bf8ee18abd41beb4a4997c993295b7bcd3806cf74ab7b731fdd397b12f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b2a6927839d112ded9c20ab2154e96d8fa29879688f976bb99ddbd661d54d49
[INFO] running `Command { std: "docker" "start" "-a" "6b2a6927839d112ded9c20ab2154e96d8fa29879688f976bb99ddbd661d54d49", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling simd-adler32 v0.3.5
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling weezl v0.1.7
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling zune-inflate v0.2.54
[INFO] [stderr]    Compiling fdeflate v0.3.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bytemuck v1.13.1
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling lebe v0.5.2
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling half v2.2.1
[INFO] [stderr]    Compiling gif v0.12.0
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling flate2 v1.0.26
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling getrandom v0.2.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling png v0.17.8
[INFO] [stderr]    Compiling syn v2.0.16
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling jpeg-decoder v0.3.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling pin-project-internal v1.1.0
[INFO] [stderr]    Compiling tiff v0.8.1
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling pin-project v1.1.0
[INFO] [stderr]    Compiling flume v0.10.14
[INFO] [stderr]    Compiling exr v1.6.3
[INFO] [stderr]    Compiling image v0.24.6
[INFO] [stderr]    Compiling stegomage v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/main.rs:74:68
[INFO] [stdout]    |
[INFO] [stdout] 74 |     saving_path += opt.image.file_name().unwrap().to_str().unwrap().clone();
[INFO] [stdout]    |                                                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.15s
[INFO] running `Command { std: "docker" "inspect" "6b2a6927839d112ded9c20ab2154e96d8fa29879688f976bb99ddbd661d54d49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b2a6927839d112ded9c20ab2154e96d8fa29879688f976bb99ddbd661d54d49", kill_on_drop: false }`
[INFO] [stdout] 6b2a6927839d112ded9c20ab2154e96d8fa29879688f976bb99ddbd661d54d49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b470d51e9342418b552577f8117a2e9da5198fdb679c6f3ae232d3f20500fbe7
[INFO] running `Command { std: "docker" "start" "-a" "b470d51e9342418b552577f8117a2e9da5198fdb679c6f3ae232d3f20500fbe7", kill_on_drop: false }`
[INFO] [stderr]    Compiling stegomage v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/main.rs:74:68
[INFO] [stdout]    |
[INFO] [stdout] 74 |     saving_path += opt.image.file_name().unwrap().to_str().unwrap().clone();
[INFO] [stdout]    |                                                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "b470d51e9342418b552577f8117a2e9da5198fdb679c6f3ae232d3f20500fbe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b470d51e9342418b552577f8117a2e9da5198fdb679c6f3ae232d3f20500fbe7", kill_on_drop: false }`
[INFO] [stdout] b470d51e9342418b552577f8117a2e9da5198fdb679c6f3ae232d3f20500fbe7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 147aca3ad2454cd607b05e9b5f43df6ec11e5251dadaa310d95e328a7927bc21
[INFO] running `Command { std: "docker" "start" "-a" "147aca3ad2454cd607b05e9b5f43df6ec11e5251dadaa310d95e328a7927bc21", kill_on_drop: false }`
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]   --> src/main.rs:74:68
[INFO] [stderr]    |
[INFO] [stderr] 74 |     saving_path += opt.image.file_name().unwrap().to_str().unwrap().clone();
[INFO] [stderr]    |                                                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]    |
[INFO] [stderr]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `stegomage` (bin "stegomage" test) generated 1 warning (run `cargo fix --bin "stegomage" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/stegomage-137602ebb34aea0b)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "147aca3ad2454cd607b05e9b5f43df6ec11e5251dadaa310d95e328a7927bc21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "147aca3ad2454cd607b05e9b5f43df6ec11e5251dadaa310d95e328a7927bc21", kill_on_drop: false }`
[INFO] [stdout] 147aca3ad2454cd607b05e9b5f43df6ec11e5251dadaa310d95e328a7927bc21