[INFO] fetching crate maria 0.8.1...
[INFO] checking maria-0.8.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate maria 0.8.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate maria 0.8.1 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 maria 0.8.1
[INFO] finished tweaking crates.io crate maria 0.8.1
[INFO] tweaked toml for crates.io crate maria 0.8.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate maria 0.8.1 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 serde v1.0.174
[INFO] [stderr]   Downloaded serde_derive v1.0.174
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a7193bc75b55ea532d37e98179069af641da8348b53556789e3dffb464ce1602
[INFO] running `Command { std: "docker" "start" "-a" "a7193bc75b55ea532d37e98179069af641da8348b53556789e3dffb464ce1602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7193bc75b55ea532d37e98179069af641da8348b53556789e3dffb464ce1602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7193bc75b55ea532d37e98179069af641da8348b53556789e3dffb464ce1602", kill_on_drop: false }`
[INFO] [stdout] a7193bc75b55ea532d37e98179069af641da8348b53556789e3dffb464ce1602
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2ee70cc561bea826a9335f9a654ad1309dd0921deacf434f749f52abf9c3bf9f
[INFO] running `Command { std: "docker" "start" "-a" "2ee70cc561bea826a9335f9a654ad1309dd0921deacf434f749f52abf9c3bf9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling serde v1.0.174
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling serde_derive v1.0.174
[INFO] [stderr]     Checking lock_api v0.4.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]     Checking serde_json v1.0.96
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking maria v0.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ContentType`
[INFO] [stdout]  --> src/router.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use crate::types::{ContentType, HttpMethod, StatusCode};
[INFO] [stdout]   |                        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ContentType`
[INFO] [stdout]  --> src/router.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use crate::types::{ContentType, HttpMethod, StatusCode};
[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 18.23s
[INFO] running `Command { std: "docker" "inspect" "2ee70cc561bea826a9335f9a654ad1309dd0921deacf434f749f52abf9c3bf9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ee70cc561bea826a9335f9a654ad1309dd0921deacf434f749f52abf9c3bf9f", kill_on_drop: false }`
[INFO] [stdout] 2ee70cc561bea826a9335f9a654ad1309dd0921deacf434f749f52abf9c3bf9f