[INFO] cloning repository https://github.com/mdsteele/linoleum
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mdsteele/linoleum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdsteele%2Flinoleum", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdsteele%2Flinoleum'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c8b9cbb0644723138abdfda8d502bba02b2a7b6c
[INFO] checking mdsteele/linoleum against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdsteele%2Flinoleum" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mdsteele/linoleum 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/mdsteele/linoleum
[INFO] finished tweaking git repo https://github.com/mdsteele/linoleum
[INFO] tweaked toml for git repo https://github.com/mdsteele/linoleum written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mdsteele/linoleum 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]     Updating git repository `https://github.com/mdsteele/ahi`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0568c93ed9796aeb0ad60beee775bb647103bfb19b0e75cca574407e3de0dff1
[INFO] running `Command { std: "docker" "start" "-a" "0568c93ed9796aeb0ad60beee775bb647103bfb19b0e75cca574407e3de0dff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0568c93ed9796aeb0ad60beee775bb647103bfb19b0e75cca574407e3de0dff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0568c93ed9796aeb0ad60beee775bb647103bfb19b0e75cca574407e3de0dff1", kill_on_drop: false }`
[INFO] [stdout] 0568c93ed9796aeb0ad60beee775bb647103bfb19b0e75cca574407e3de0dff1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5917775c77bfdcd7951b4f94cd25e7f9cd7d50256330e5421fd59e0bf986ba48
[INFO] running `Command { std: "docker" "start" "-a" "5917775c77bfdcd7951b4f94cd25e7f9cd7d50256330e5421fd59e0bf986ba48", kill_on_drop: false }`
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]    Compiling linoleum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking ahi v0.1.0 (https://github.com/mdsteele/ahi?rev=1534f7c8#1534f7c8)
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stdout] warning: the item `ahi` is imported redundantly
[INFO] [stdout]   --> src/canvas.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use ahi;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | extern crate ahi;
[INFO] [stdout]    | ----------------- the item `ahi` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `sdl2` is imported redundantly
[INFO] [stdout]   --> src/event.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use sdl2;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | extern crate sdl2;
[INFO] [stdout]    | ------------------ the item `sdl2` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ahi` is imported redundantly
[INFO] [stdout]   --> src/util.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use ahi;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | extern crate ahi;
[INFO] [stdout]    | ----------------- the item `ahi` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ahi` is imported redundantly
[INFO] [stdout]   --> src/canvas.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use ahi;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | extern crate ahi;
[INFO] [stdout]    | ----------------- the item `ahi` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `sdl2` is imported redundantly
[INFO] [stdout]   --> src/event.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use sdl2;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | extern crate sdl2;
[INFO] [stdout]    | ------------------ the item `sdl2` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ahi` is imported redundantly
[INFO] [stdout]   --> src/util.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use ahi;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | extern crate ahi;
[INFO] [stdout]    | ----------------- the item `ahi` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.49s
[INFO] running `Command { std: "docker" "inspect" "5917775c77bfdcd7951b4f94cd25e7f9cd7d50256330e5421fd59e0bf986ba48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5917775c77bfdcd7951b4f94cd25e7f9cd7d50256330e5421fd59e0bf986ba48", kill_on_drop: false }`
[INFO] [stdout] 5917775c77bfdcd7951b4f94cd25e7f9cd7d50256330e5421fd59e0bf986ba48