[INFO] cloning repository https://github.com/BaroqueEngine/recimage-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BaroqueEngine/recimage-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBaroqueEngine%2Frecimage-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBaroqueEngine%2Frecimage-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 534f9758728134a7f574f27032622da505087f46
[INFO] checking BaroqueEngine/recimage-rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBaroqueEngine%2Frecimage-rust" "/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/BaroqueEngine/recimage-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/BaroqueEngine/recimage-rust
[INFO] finished tweaking git repo https://github.com/BaroqueEngine/recimage-rust
[INFO] tweaked toml for git repo https://github.com/BaroqueEngine/recimage-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/BaroqueEngine/recimage-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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytemuck v1.11.0
[INFO] [stderr]   Downloaded spin v0.9.4
[INFO] [stderr]   Downloaded tiff v0.7.3
[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] 710a6db22021a1c8b7eb0cb7ce048a83275cf70f967a80936cf62c3a9886ba14
[INFO] running `Command { std: "docker" "start" "-a" "710a6db22021a1c8b7eb0cb7ce048a83275cf70f967a80936cf62c3a9886ba14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "710a6db22021a1c8b7eb0cb7ce048a83275cf70f967a80936cf62c3a9886ba14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "710a6db22021a1c8b7eb0cb7ce048a83275cf70f967a80936cf62c3a9886ba14", kill_on_drop: false }`
[INFO] [stdout] 710a6db22021a1c8b7eb0cb7ce048a83275cf70f967a80936cf62c3a9886ba14
[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] d350ea0572be624655f1cde47467b381365a4bd94f4c6af3c0ba29c35543f77e
[INFO] running `Command { std: "docker" "start" "-a" "d350ea0572be624655f1cde47467b381365a4bd94f4c6af3c0ba29c35543f77e", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking spin v0.9.4
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking lebe v0.5.1
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking bytemuck v1.11.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking png v0.17.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking num-rational v0.4.1
[INFO] [stderr]     Checking jpeg-decoder v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v1.0.11
[INFO] [stderr]     Checking tiff v0.7.3
[INFO] [stderr]     Checking pin-project v1.0.11
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking exr v1.4.2
[INFO] [stderr]     Checking image v0.24.3
[INFO] [stderr]     Checking recimage v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:146:7
[INFO] [stdout]     |
[INFO] [stdout] 146 |   for i in 0..500 {
[INFO] [stdout]     |       ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:146:7
[INFO] [stdout]     |
[INFO] [stdout] 146 |   for i in 0..500 {
[INFO] [stdout]     |       ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.50s
[INFO] running `Command { std: "docker" "inspect" "d350ea0572be624655f1cde47467b381365a4bd94f4c6af3c0ba29c35543f77e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d350ea0572be624655f1cde47467b381365a4bd94f4c6af3c0ba29c35543f77e", kill_on_drop: false }`
[INFO] [stdout] d350ea0572be624655f1cde47467b381365a4bd94f4c6af3c0ba29c35543f77e
[INFO] checking BaroqueEngine/recimage-rust against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBaroqueEngine%2Frecimage-rust" "/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/BaroqueEngine/recimage-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/BaroqueEngine/recimage-rust
[INFO] finished tweaking git repo https://github.com/BaroqueEngine/recimage-rust
[INFO] tweaked toml for git repo https://github.com/BaroqueEngine/recimage-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/BaroqueEngine/recimage-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-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] 1ba4b3f3f97aeca192a15e1448661826962aa170e1551cf80a510cb8876383bc
[INFO] running `Command { std: "docker" "start" "-a" "1ba4b3f3f97aeca192a15e1448661826962aa170e1551cf80a510cb8876383bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ba4b3f3f97aeca192a15e1448661826962aa170e1551cf80a510cb8876383bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ba4b3f3f97aeca192a15e1448661826962aa170e1551cf80a510cb8876383bc", kill_on_drop: false }`
[INFO] [stdout] 1ba4b3f3f97aeca192a15e1448661826962aa170e1551cf80a510cb8876383bc
[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] 10ad6fa127eaeca427141fc7f6a420769a832e56d0c29b145a93d3d9e9f98eb4
[INFO] running `Command { std: "docker" "start" "-a" "10ad6fa127eaeca427141fc7f6a420769a832e56d0c29b145a93d3d9e9f98eb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking spin v0.9.4
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking lebe v0.5.1
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking bytemuck v1.11.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking png v0.17.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking num-rational v0.4.1
[INFO] [stderr]     Checking jpeg-decoder v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v1.0.11
[INFO] [stderr]     Checking tiff v0.7.3
[INFO] [stderr]     Checking pin-project v1.0.11
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking exr v1.4.2
[INFO] [stderr]     Checking image v0.24.3
[INFO] [stderr]     Checking recimage v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:146:7
[INFO] [stdout]     |
[INFO] [stdout] 146 |   for i in 0..500 {
[INFO] [stdout]     |       ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:146:7
[INFO] [stdout]     |
[INFO] [stdout] 146 |   for i in 0..500 {
[INFO] [stdout]     |       ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` 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 16.75s
[INFO] running `Command { std: "docker" "inspect" "10ad6fa127eaeca427141fc7f6a420769a832e56d0c29b145a93d3d9e9f98eb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10ad6fa127eaeca427141fc7f6a420769a832e56d0c29b145a93d3d9e9f98eb4", kill_on_drop: false }`
[INFO] [stdout] 10ad6fa127eaeca427141fc7f6a420769a832e56d0c29b145a93d3d9e9f98eb4