[INFO] fetching crate generate-captcha 0.1.0...
[INFO] testing generate-captcha-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate generate-captcha 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate generate-captcha 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate generate-captcha 0.1.0
[INFO] finished tweaking crates.io crate generate-captcha 0.1.0
[INFO] tweaked toml for crates.io crate generate-captcha 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate generate-captcha 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 079b1861c46310bffefae34512ae979a141d75ed6a0f92a6183e9fdecdd5dc6b
[INFO] running `Command { std: "docker" "start" "-a" "079b1861c46310bffefae34512ae979a141d75ed6a0f92a6183e9fdecdd5dc6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "079b1861c46310bffefae34512ae979a141d75ed6a0f92a6183e9fdecdd5dc6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "079b1861c46310bffefae34512ae979a141d75ed6a0f92a6183e9fdecdd5dc6b", kill_on_drop: false }`
[INFO] [stdout] 079b1861c46310bffefae34512ae979a141d75ed6a0f92a6183e9fdecdd5dc6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", 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] 0d9fc4b3968fd578f8fe3254304a66e08128582867040ac79d02159f7c8957d5
[INFO] running `Command { std: "docker" "start" "-a" "0d9fc4b3968fd578f8fe3254304a66e08128582867040ac79d02159f7c8957d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling rgb v0.8.27
[INFO] [stderr]    Compiling gif v0.11.2
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling flate2 v1.0.21
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling console v0.14.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling indicatif v0.16.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling fallible_collections v0.4.3
[INFO] [stderr]    Compiling lodepng v3.4.6
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling captcha v0.0.8
[INFO] [stderr]    Compiling generate-captcha v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.06s
[INFO] running `Command { std: "docker" "inspect" "0d9fc4b3968fd578f8fe3254304a66e08128582867040ac79d02159f7c8957d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d9fc4b3968fd578f8fe3254304a66e08128582867040ac79d02159f7c8957d5", kill_on_drop: false }`
[INFO] [stdout] 0d9fc4b3968fd578f8fe3254304a66e08128582867040ac79d02159f7c8957d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a120fb9222b33749006ea8f7679d1003eefcd927c9a121af702e243f877c99ef
[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" "a120fb9222b33749006ea8f7679d1003eefcd927c9a121af702e243f877c99ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling generate-captcha v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/generate_captcha-05f4123b44095b35)
[INFO] running `Command { std: "docker" "inspect" "a120fb9222b33749006ea8f7679d1003eefcd927c9a121af702e243f877c99ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a120fb9222b33749006ea8f7679d1003eefcd927c9a121af702e243f877c99ef", kill_on_drop: false }`
[INFO] [stdout] a120fb9222b33749006ea8f7679d1003eefcd927c9a121af702e243f877c99ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] 90b0c54a49f2a283a836e1267ea846f459d18cc03813e7864afc645634887a29
[INFO] running `Command { std: "docker" "start" "-a" "90b0c54a49f2a283a836e1267ea846f459d18cc03813e7864afc645634887a29", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/generate_captcha-05f4123b44095b35)
[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" "90b0c54a49f2a283a836e1267ea846f459d18cc03813e7864afc645634887a29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90b0c54a49f2a283a836e1267ea846f459d18cc03813e7864afc645634887a29", kill_on_drop: false }`
[INFO] [stdout] 90b0c54a49f2a283a836e1267ea846f459d18cc03813e7864afc645634887a29