[INFO] cloning repository https://github.com/bbcmgdm/image-compression-kata
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bbcmgdm/image-compression-kata" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbbcmgdm%2Fimage-compression-kata", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbbcmgdm%2Fimage-compression-kata'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 89765b2a17b82e8cb1fcfec72b49918bf0059eff
[INFO] checking bbcmgdm/image-compression-kata against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbbcmgdm%2Fimage-compression-kata" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bbcmgdm/image-compression-kata 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/bbcmgdm/image-compression-kata
[INFO] finished tweaking git repo https://github.com/bbcmgdm/image-compression-kata
[INFO] tweaked toml for git repo https://github.com/bbcmgdm/image-compression-kata written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/bbcmgdm/image-compression-kata 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] af8f3ed5b7ef7fa625173c4c9aede7823d54fb7605a5b7a01a3cf185ffd41b1f
[INFO] running `Command { std: "docker" "start" "-a" "af8f3ed5b7ef7fa625173c4c9aede7823d54fb7605a5b7a01a3cf185ffd41b1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af8f3ed5b7ef7fa625173c4c9aede7823d54fb7605a5b7a01a3cf185ffd41b1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af8f3ed5b7ef7fa625173c4c9aede7823d54fb7605a5b7a01a3cf185ffd41b1f", kill_on_drop: false }`
[INFO] [stdout] af8f3ed5b7ef7fa625173c4c9aede7823d54fb7605a5b7a01a3cf185ffd41b1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e824cc09ecc80a411275931d9dc341fc3f7a5762f052739f64bacbd66f458ce7
[INFO] running `Command { std: "docker" "start" "-a" "e824cc09ecc80a411275931d9dc341fc3f7a5762f052739f64bacbd66f458ce7", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.82
[INFO] [stderr]    Compiling bumpalo v3.11.0
[INFO] [stderr]    Compiling once_cell v1.13.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.82
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.82
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.82
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.82
[INFO] [stderr]     Checking js-sys v0.3.59
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking web-sys v0.3.59
[INFO] [stderr]     Checking wasm-bindgen-futures v0.3.27
[INFO] [stderr]     Checking wasm-bindgen-test v0.2.50
[INFO] [stderr]     Checking image-compression v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.70s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.82
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "e824cc09ecc80a411275931d9dc341fc3f7a5762f052739f64bacbd66f458ce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e824cc09ecc80a411275931d9dc341fc3f7a5762f052739f64bacbd66f458ce7", kill_on_drop: false }`
[INFO] [stdout] e824cc09ecc80a411275931d9dc341fc3f7a5762f052739f64bacbd66f458ce7
[INFO] checking bbcmgdm/image-compression-kata against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbbcmgdm%2Fimage-compression-kata" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bbcmgdm/image-compression-kata 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/bbcmgdm/image-compression-kata
[INFO] finished tweaking git repo https://github.com/bbcmgdm/image-compression-kata
[INFO] tweaked toml for git repo https://github.com/bbcmgdm/image-compression-kata written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/bbcmgdm/image-compression-kata 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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06fa18cd8742c2673fb3c7bdcfcfa8b724db070845f04994d8de7513fdcc5378
[INFO] running `Command { std: "docker" "start" "-a" "06fa18cd8742c2673fb3c7bdcfcfa8b724db070845f04994d8de7513fdcc5378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06fa18cd8742c2673fb3c7bdcfcfa8b724db070845f04994d8de7513fdcc5378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06fa18cd8742c2673fb3c7bdcfcfa8b724db070845f04994d8de7513fdcc5378", kill_on_drop: false }`
[INFO] [stdout] 06fa18cd8742c2673fb3c7bdcfcfa8b724db070845f04994d8de7513fdcc5378
[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=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] 9dad4c6490bd16c57eafd6d3d9577933b0d89593aa66e046c128bdb32d73605e
[INFO] running `Command { std: "docker" "start" "-a" "9dad4c6490bd16c57eafd6d3d9577933b0d89593aa66e046c128bdb32d73605e", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.82
[INFO] [stderr]    Compiling bumpalo v3.11.0
[INFO] [stderr]    Compiling once_cell v1.13.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.82
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.82
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.82
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.82
[INFO] [stderr]     Checking js-sys v0.3.59
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking web-sys v0.3.59
[INFO] [stderr]     Checking wasm-bindgen-futures v0.3.27
[INFO] [stderr]     Checking wasm-bindgen-test v0.2.50
[INFO] [stderr]     Checking image-compression v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.64s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.82
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "9dad4c6490bd16c57eafd6d3d9577933b0d89593aa66e046c128bdb32d73605e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dad4c6490bd16c57eafd6d3d9577933b0d89593aa66e046c128bdb32d73605e", kill_on_drop: false }`
[INFO] [stdout] 9dad4c6490bd16c57eafd6d3d9577933b0d89593aa66e046c128bdb32d73605e