[INFO] cloning repository https://github.com/ytorii/gazou100-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ytorii/gazou100-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fytorii%2Fgazou100-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fytorii%2Fgazou100-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a89fe8ee8387ac33b162e657376f7100502eb0cf
[INFO] checking ytorii/gazou100-rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fytorii%2Fgazou100-rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ytorii/gazou100-rust 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/ytorii/gazou100-rust
[INFO] finished tweaking git repo https://github.com/ytorii/gazou100-rust
[INFO] tweaked toml for git repo https://github.com/ytorii/gazou100-rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ytorii/gazou100-rust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 293fcc6f78ea3b01b3167dc9a1c66e5206f12c9abdc503495d2741a3514e7a1f
[INFO] running `Command { std: "docker" "start" "-a" "293fcc6f78ea3b01b3167dc9a1c66e5206f12c9abdc503495d2741a3514e7a1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "293fcc6f78ea3b01b3167dc9a1c66e5206f12c9abdc503495d2741a3514e7a1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "293fcc6f78ea3b01b3167dc9a1c66e5206f12c9abdc503495d2741a3514e7a1f", kill_on_drop: false }`
[INFO] [stdout] 293fcc6f78ea3b01b3167dc9a1c66e5206f12c9abdc503495d2741a3514e7a1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 42539081f7b1127c1d9bfed68b94c661b1b3ee1541b263d68b4a178aac908231
[INFO] running `Command { std: "docker" "start" "-a" "42539081f7b1127c1d9bfed68b94c661b1b3ee1541b263d68b4a178aac908231", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking gif v0.10.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking png v0.15.0
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking image v0.22.2
[INFO] [stderr]     Checking images v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `GenericImageView`, `GenericImage`, `ImageBuffer`, `Rgb`
[INFO] [stdout]  --> src/question_9.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use image::{DynamicImage, GenericImage, GenericImageView, ImageBuffer, Rgb};
[INFO] [stdout]   |                           ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `GenericImageView`, `GenericImage`, `ImageBuffer`, `Rgb`
[INFO] [stdout]  --> src/question_9.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use image::{DynamicImage, GenericImage, GenericImageView, ImageBuffer, Rgb};
[INFO] [stdout]   |                           ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.67s
[INFO] running `Command { std: "docker" "inspect" "42539081f7b1127c1d9bfed68b94c661b1b3ee1541b263d68b4a178aac908231", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42539081f7b1127c1d9bfed68b94c661b1b3ee1541b263d68b4a178aac908231", kill_on_drop: false }`
[INFO] [stdout] 42539081f7b1127c1d9bfed68b94c661b1b3ee1541b263d68b4a178aac908231
[INFO] checking ytorii/gazou100-rust against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fytorii%2Fgazou100-rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ytorii/gazou100-rust 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/ytorii/gazou100-rust
[INFO] finished tweaking git repo https://github.com/ytorii/gazou100-rust
[INFO] tweaked toml for git repo https://github.com/ytorii/gazou100-rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ytorii/gazou100-rust 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7744d4a421715ad7ed0f5c2d5da875cf010de605f6900c616176b0e07781abba
[INFO] running `Command { std: "docker" "start" "-a" "7744d4a421715ad7ed0f5c2d5da875cf010de605f6900c616176b0e07781abba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7744d4a421715ad7ed0f5c2d5da875cf010de605f6900c616176b0e07781abba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7744d4a421715ad7ed0f5c2d5da875cf010de605f6900c616176b0e07781abba", kill_on_drop: false }`
[INFO] [stdout] 7744d4a421715ad7ed0f5c2d5da875cf010de605f6900c616176b0e07781abba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 314d858c2f1b1080d65999c8f6f9b351d64dba10efe375ba377b523b184612f3
[INFO] running `Command { std: "docker" "start" "-a" "314d858c2f1b1080d65999c8f6f9b351d64dba10efe375ba377b523b184612f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking gif v0.10.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking png v0.15.0
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking image v0.22.2
[INFO] [stderr]     Checking images v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `GenericImageView`, `GenericImage`, `ImageBuffer`, `Rgb`
[INFO] [stdout]  --> src/question_9.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use image::{DynamicImage, GenericImage, GenericImageView, ImageBuffer, Rgb};
[INFO] [stdout]   |                           ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `GenericImageView`, `GenericImage`, `ImageBuffer`, `Rgb`
[INFO] [stdout]  --> src/question_9.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use image::{DynamicImage, GenericImage, GenericImageView, ImageBuffer, Rgb};
[INFO] [stdout]   |                           ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.67s
[INFO] running `Command { std: "docker" "inspect" "314d858c2f1b1080d65999c8f6f9b351d64dba10efe375ba377b523b184612f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "314d858c2f1b1080d65999c8f6f9b351d64dba10efe375ba377b523b184612f3", kill_on_drop: false }`
[INFO] [stdout] 314d858c2f1b1080d65999c8f6f9b351d64dba10efe375ba377b523b184612f3