[INFO] cloning repository https://github.com/aalekhpatel07/captcha-generator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aalekhpatel07/captcha-generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faalekhpatel07%2Fcaptcha-generator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faalekhpatel07%2Fcaptcha-generator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 496fa36da75c51e458b42cfb221d1e4a6ffff413 [INFO] checking aalekhpatel07/captcha-generator against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faalekhpatel07%2Fcaptcha-generator" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aalekhpatel07/captcha-generator on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/aalekhpatel07/captcha-generator [INFO] finished tweaking git repo https://github.com/aalekhpatel07/captcha-generator [INFO] tweaked toml for git repo https://github.com/aalekhpatel07/captcha-generator written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/aalekhpatel07/captcha-generator 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_json v1.0.67 [INFO] [stderr] Downloaded fallible_collections v0.4.3 [INFO] [stderr] Downloaded flate2 v1.0.21 [INFO] [stderr] Downloaded rgb v0.8.27 [INFO] [stderr] Downloaded lodepng v3.4.6 [INFO] [stderr] Downloaded captcha v0.0.8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 49e1a6b40a8405839e16db03a418a02ca1b421cf3acc88f18653022731060758 [INFO] running `Command { std: "docker" "start" "-a" "49e1a6b40a8405839e16db03a418a02ca1b421cf3acc88f18653022731060758", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "49e1a6b40a8405839e16db03a418a02ca1b421cf3acc88f18653022731060758", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49e1a6b40a8405839e16db03a418a02ca1b421cf3acc88f18653022731060758", kill_on_drop: false }` [INFO] [stdout] 49e1a6b40a8405839e16db03a418a02ca1b421cf3acc88f18653022731060758 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 034b638e6e4025bf38439a1b0781258663c44f50cf8e0a282dd5bb92e8cad6ab [INFO] running `Command { std: "docker" "start" "-a" "034b638e6e4025bf38439a1b0781258663c44f50cf8e0a282dd5bb92e8cad6ab", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.101 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Checking bytemuck v1.7.2 [INFO] [stderr] Checking weezl v0.1.5 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_json v1.0.67 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking rgb v0.8.27 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking number_prefix v0.4.0 [INFO] [stderr] Checking gif v0.11.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling ahash v0.7.4 [INFO] [stderr] Checking hound v3.4.0 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking png v0.16.8 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [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 atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking console v0.14.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking flate2 v1.0.21 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking regex v1.5.4 [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 12.99s [INFO] running `Command { std: "docker" "inspect" "034b638e6e4025bf38439a1b0781258663c44f50cf8e0a282dd5bb92e8cad6ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "034b638e6e4025bf38439a1b0781258663c44f50cf8e0a282dd5bb92e8cad6ab", kill_on_drop: false }` [INFO] [stdout] 034b638e6e4025bf38439a1b0781258663c44f50cf8e0a282dd5bb92e8cad6ab [INFO] checking aalekhpatel07/captcha-generator against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faalekhpatel07%2Fcaptcha-generator" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aalekhpatel07/captcha-generator on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/aalekhpatel07/captcha-generator [INFO] finished tweaking git repo https://github.com/aalekhpatel07/captcha-generator [INFO] tweaked toml for git repo https://github.com/aalekhpatel07/captcha-generator written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/aalekhpatel07/captcha-generator 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ebec9a8976fa58b9a9d848603ce44a1bcdcf0b53f58ebe57a86b6d5aba4ff97a [INFO] running `Command { std: "docker" "start" "-a" "ebec9a8976fa58b9a9d848603ce44a1bcdcf0b53f58ebe57a86b6d5aba4ff97a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ebec9a8976fa58b9a9d848603ce44a1bcdcf0b53f58ebe57a86b6d5aba4ff97a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ebec9a8976fa58b9a9d848603ce44a1bcdcf0b53f58ebe57a86b6d5aba4ff97a", kill_on_drop: false }` [INFO] [stdout] ebec9a8976fa58b9a9d848603ce44a1bcdcf0b53f58ebe57a86b6d5aba4ff97a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ecb9b060e45e61f65b3fe3c3581ccf0a1070d6ea79f82722ff395b5f39c3412e [INFO] running `Command { std: "docker" "start" "-a" "ecb9b060e45e61f65b3fe3c3581ccf0a1070d6ea79f82722ff395b5f39c3412e", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.101 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Checking weezl v0.1.5 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking bytemuck v1.7.2 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Compiling serde_json v1.0.67 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking rgb v0.8.27 [INFO] [stderr] Checking hound v3.4.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking gif v0.11.2 [INFO] [stderr] Checking number_prefix v0.4.0 [INFO] [stderr] Compiling ahash v0.7.4 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Checking png v0.16.8 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [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 atty v0.2.14 [INFO] [stderr] Checking console v0.14.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking rand_core v0.5.1 [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 hashbrown v0.11.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking flate2 v1.0.21 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking fallible_collections v0.4.3 [INFO] [stderr] Checking indicatif v0.16.2 [INFO] [stderr] Checking lodepng v3.4.6 [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 12.35s [INFO] running `Command { std: "docker" "inspect" "ecb9b060e45e61f65b3fe3c3581ccf0a1070d6ea79f82722ff395b5f39c3412e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ecb9b060e45e61f65b3fe3c3581ccf0a1070d6ea79f82722ff395b5f39c3412e", kill_on_drop: false }` [INFO] [stdout] ecb9b060e45e61f65b3fe3c3581ccf0a1070d6ea79f82722ff395b5f39c3412e