[INFO] cloning repository https://github.com/skyline-rs/fake-ld
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skyline-rs/fake-ld" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskyline-rs%2Ffake-ld", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskyline-rs%2Ffake-ld'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ccdd12c7b4f6fdc107488524eddc5dad61546850
[INFO] checking skyline-rs/fake-ld against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskyline-rs%2Ffake-ld" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/skyline-rs/fake-ld 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/skyline-rs/fake-ld
[INFO] finished tweaking git repo https://github.com/skyline-rs/fake-ld
[INFO] tweaked toml for git repo https://github.com/skyline-rs/fake-ld written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/skyline-rs/fake-ld 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] warning: file `/workspace/builds/worker-3-tc1/source/src/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `fake-ld`
[INFO] [stderr]   * `bin` target `gcc`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 44a78968116a21b3eede2ce80b5fbaa7d222dbc52b8772790d39f5c4ce7d5596
[INFO] running `Command { std: "docker" "start" "-a" "44a78968116a21b3eede2ce80b5fbaa7d222dbc52b8772790d39f5c4ce7d5596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44a78968116a21b3eede2ce80b5fbaa7d222dbc52b8772790d39f5c4ce7d5596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44a78968116a21b3eede2ce80b5fbaa7d222dbc52b8772790d39f5c4ce7d5596", kill_on_drop: false }`
[INFO] [stdout] 44a78968116a21b3eede2ce80b5fbaa7d222dbc52b8772790d39f5c4ce7d5596
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c836a1f0f631fb4ea6f7a3d395828f7c3845c8e9ad61113af00dac835c05e7d7
[INFO] running `Command { std: "docker" "start" "-a" "c836a1f0f631fb4ea6f7a3d395828f7c3845c8e9ad61113af00dac835c05e7d7", kill_on_drop: false }`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/src/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `fake-ld`
[INFO] [stderr]   * `bin` target `gcc`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling bzip2-sys v0.1.10+1.0.8
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking zip v0.5.12
[INFO] [stderr]     Checking fake-ld v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/zig_cc.rs:52:23
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn non_allowed_option(x: &str) -> bool {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/zig_cc.rs:52:23
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn non_allowed_option(x: &str) -> bool {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `zip::ZipWriter::<W>::start_file_from_path`: by stripping `..`s from the path, the meaning of paths can change. Use `start_file` instead.
[INFO] [stdout]   --> src/rust-zip.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |             zip.start_file_from_path(
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `zip::ZipWriter::<W>::start_file_from_path`: by stripping `..`s from the path, the meaning of paths can change. Use `start_file` instead.
[INFO] [stdout]   --> src/rust-zip.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |             zip.start_file_from_path(
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` 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 5.40s
[INFO] running `Command { std: "docker" "inspect" "c836a1f0f631fb4ea6f7a3d395828f7c3845c8e9ad61113af00dac835c05e7d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c836a1f0f631fb4ea6f7a3d395828f7c3845c8e9ad61113af00dac835c05e7d7", kill_on_drop: false }`
[INFO] [stdout] c836a1f0f631fb4ea6f7a3d395828f7c3845c8e9ad61113af00dac835c05e7d7