[INFO] fetching crate SomeWithImage 0.1.8...
[INFO] checking SomeWithImage-0.1.8 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate SomeWithImage 0.1.8 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate SomeWithImage 0.1.8 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 crates.io crate SomeWithImage 0.1.8
[INFO] finished tweaking crates.io crate SomeWithImage 0.1.8
[INFO] tweaked toml for crates.io crate SomeWithImage 0.1.8 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--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]      Locking 38 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding image v0.24.9 (latest: v0.25.1)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.19
[INFO] [stderr]   Downloaded weezl v0.1.8
[INFO] [stderr]   Downloaded color_quant v1.1.0
[INFO] [stderr]   Downloaded bit_field v0.10.2
[INFO] [stderr]   Downloaded lebe v0.5.2
[INFO] [stderr]   Downloaded zune-inflate v0.2.54
[INFO] [stderr]   Downloaded half v2.4.0
[INFO] [stderr]   Downloaded flume v0.11.0
[INFO] [stderr]   Downloaded exr v1.72.0
[INFO] [stderr]   Downloaded png v0.17.13
[INFO] [stderr]   Downloaded jpeg-decoder v0.3.1
[INFO] [stderr]   Downloaded rayon v1.10.0
[INFO] [stderr]   Downloaded gif v0.13.1
[INFO] [stderr]   Downloaded qoi v0.4.1
[INFO] [stderr]   Downloaded tiff v0.9.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.18
[INFO] [stderr]   Downloaded fdeflate v0.3.4
[INFO] [stderr]   Downloaded bytemuck v1.15.0
[INFO] [stderr]   Downloaded simd-adler32 v0.3.7
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.5
[INFO] [stderr]   Downloaded rayon-core v1.12.1
[INFO] [stderr]   Downloaded image v0.24.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f917fcb046c05cf6bf8352e9d24edc43c08b38d8647f5b85d382f7f44f72444b
[INFO] running `Command { std: "docker" "start" "-a" "f917fcb046c05cf6bf8352e9d24edc43c08b38d8647f5b85d382f7f44f72444b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f917fcb046c05cf6bf8352e9d24edc43c08b38d8647f5b85d382f7f44f72444b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f917fcb046c05cf6bf8352e9d24edc43c08b38d8647f5b85d382f7f44f72444b", kill_on_drop: false }`
[INFO] [stdout] f917fcb046c05cf6bf8352e9d24edc43c08b38d8647f5b85d382f7f44f72444b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 591887542cd8f86c6a4c903c9af8a7af88ae74ad984855f5c3a5fbc91fc55e89
[INFO] running `Command { std: "docker" "start" "-a" "591887542cd8f86c6a4c903c9af8a7af88ae74ad984855f5c3a5fbc91fc55e89", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking half v2.4.0
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]     Checking fdeflate v0.3.4
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking gif v0.13.1
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking png v0.17.13
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking exr v1.72.0
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Checking SomeWithImage v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `Filter_matrix` should have an upper camel case name
[INFO] [stdout]  --> src/multiply_by_matrix/Filter.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Filter_matrix {
[INFO] [stdout]   |            ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `FilterMatrix`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/multiply_by_matrix.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     for i in 0..repeat {
[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: type `Filter_matrix` should have an upper camel case name
[INFO] [stdout]  --> src/multiply_by_matrix/Filter.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Filter_matrix {
[INFO] [stdout]   |            ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `FilterMatrix`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Filter` should have a snake case name
[INFO] [stdout]  --> src/multiply_by_matrix.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod Filter;
[INFO] [stdout]   |         ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `filter`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/multiply_by_matrix.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     for i in 0..repeat {
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `SomeWithImage` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `some_with_image`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Filter` should have a snake case name
[INFO] [stdout]  --> src/multiply_by_matrix.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod Filter;
[INFO] [stdout]   |         ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `filter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.93s
[INFO] running `Command { std: "docker" "inspect" "591887542cd8f86c6a4c903c9af8a7af88ae74ad984855f5c3a5fbc91fc55e89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "591887542cd8f86c6a4c903c9af8a7af88ae74ad984855f5c3a5fbc91fc55e89", kill_on_drop: false }`
[INFO] [stdout] 591887542cd8f86c6a4c903c9af8a7af88ae74ad984855f5c3a5fbc91fc55e89