[INFO] fetching crate ppm_steganography 0.1.0...
[INFO] testing ppm_steganography-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate ppm_steganography 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate ppm_steganography 0.1.0
[INFO] finished tweaking crates.io crate ppm_steganography 0.1.0
[INFO] tweaked toml for crates.io crate ppm_steganography 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ppm_steganography 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ppm_steganography 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 701a358dde987e49b9b648a217149ea2d0f66a72bd9f78796d244fea72a2dab1
[INFO] running `Command { std: "docker" "start" "-a" "701a358dde987e49b9b648a217149ea2d0f66a72bd9f78796d244fea72a2dab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "701a358dde987e49b9b648a217149ea2d0f66a72bd9f78796d244fea72a2dab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "701a358dde987e49b9b648a217149ea2d0f66a72bd9f78796d244fea72a2dab1", kill_on_drop: false }`
[INFO] [stdout] 701a358dde987e49b9b648a217149ea2d0f66a72bd9f78796d244fea72a2dab1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e95d6ebb2845546b11f66107153059a1589c09f092ce463d8321fa4a16c388ff
[INFO] running `Command { std: "docker" "start" "-a" "e95d6ebb2845546b11f66107153059a1589c09f092ce463d8321fa4a16c388ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling once_cell v1.13.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.42
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.5.3
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling either v1.7.0
[INFO] [stderr]    Compiling deflate v1.0.0
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling weezl v0.1.7
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling lebe v0.5.1
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling bytemuck v1.11.0
[INFO] [stderr]    Compiling gif v0.11.4
[INFO] [stderr]    Compiling spin v0.9.4
[INFO] [stderr]    Compiling flate2 v1.0.24
[INFO] [stderr]    Compiling png v0.17.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.11
[INFO] [stderr]    Compiling jpeg-decoder v0.2.6
[INFO] [stderr]    Compiling tiff v0.7.3
[INFO] [stderr]    Compiling pin-project v1.0.11
[INFO] [stderr]    Compiling flume v0.10.14
[INFO] [stderr]    Compiling exr v1.4.2
[INFO] [stderr]    Compiling image v0.24.3
[INFO] [stderr]    Compiling ppm_steganography v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.23s
[INFO] running `Command { std: "docker" "inspect" "e95d6ebb2845546b11f66107153059a1589c09f092ce463d8321fa4a16c388ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e95d6ebb2845546b11f66107153059a1589c09f092ce463d8321fa4a16c388ff", kill_on_drop: false }`
[INFO] [stdout] e95d6ebb2845546b11f66107153059a1589c09f092ce463d8321fa4a16c388ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7758e579953600159e5cdf25134ea1894d53e03b2edbef2a0530b7a00f30635
[INFO] running `Command { std: "docker" "start" "-a" "c7758e579953600159e5cdf25134ea1894d53e03b2edbef2a0530b7a00f30635", kill_on_drop: false }`
[INFO] [stderr]    Compiling ppm_steganography v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "c7758e579953600159e5cdf25134ea1894d53e03b2edbef2a0530b7a00f30635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7758e579953600159e5cdf25134ea1894d53e03b2edbef2a0530b7a00f30635", kill_on_drop: false }`
[INFO] [stdout] c7758e579953600159e5cdf25134ea1894d53e03b2edbef2a0530b7a00f30635
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 471149356e22549d406bb62b67da71e5887292cb341a1169cd5fa881af636266
[INFO] running `Command { std: "docker" "start" "-a" "471149356e22549d406bb62b67da71e5887292cb341a1169cd5fa881af636266", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ppm_steganography-0c77bcd525422a78)
[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] [stderr]    Doc-tests ppm_steganography
[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" "471149356e22549d406bb62b67da71e5887292cb341a1169cd5fa881af636266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "471149356e22549d406bb62b67da71e5887292cb341a1169cd5fa881af636266", kill_on_drop: false }`
[INFO] [stdout] 471149356e22549d406bb62b67da71e5887292cb341a1169cd5fa881af636266