[INFO] fetching crate generate-captcha 0.1.0...
[INFO] checking generate-captcha-0.1.0 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] extracting crate generate-captcha 0.1.0 into /workspace/builds/worker-4-tc2/source
[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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate generate-captcha 0.1.0 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate generate-captcha 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f942f4e8ad9876a458aca84becaef8e0bde164038847277ddc848155a55c0f8
[INFO] running `Command { std: "docker" "start" "-a" "9f942f4e8ad9876a458aca84becaef8e0bde164038847277ddc848155a55c0f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f942f4e8ad9876a458aca84becaef8e0bde164038847277ddc848155a55c0f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f942f4e8ad9876a458aca84becaef8e0bde164038847277ddc848155a55c0f8", kill_on_drop: false }`
[INFO] [stdout] 9f942f4e8ad9876a458aca84becaef8e0bde164038847277ddc848155a55c0f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31cab9e2b607c17def6b33ccc9c7cbe3e43f3131cba62f8b6b2a9200a1dde211
[INFO] running `Command { std: "docker" "start" "-a" "31cab9e2b607c17def6b33ccc9c7cbe3e43f3131cba62f8b6b2a9200a1dde211", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking rgb v0.8.27
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking flate2 v1.0.21
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking fallible_collections v0.4.3
[INFO] [stderr]     Checking lodepng v3.4.6
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking captcha v0.0.8
[INFO] [stderr]     Checking generate-captcha v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.59s
[INFO] running `Command { std: "docker" "inspect" "31cab9e2b607c17def6b33ccc9c7cbe3e43f3131cba62f8b6b2a9200a1dde211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31cab9e2b607c17def6b33ccc9c7cbe3e43f3131cba62f8b6b2a9200a1dde211", kill_on_drop: false }`
[INFO] [stdout] 31cab9e2b607c17def6b33ccc9c7cbe3e43f3131cba62f8b6b2a9200a1dde211