[INFO] cloning repository https://github.com/hiddenLadder/lab-07
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hiddenLadder/lab-07" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FhiddenLadder%2Flab-07", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FhiddenLadder%2Flab-07'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d82464d42510f6dddaa1fedae10f4b477a918176
[INFO] checking hiddenLadder/lab-07 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FhiddenLadder%2Flab-07" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hiddenLadder/lab-07 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/hiddenLadder/lab-07
[INFO] finished tweaking git repo https://github.com/hiddenLadder/lab-07
[INFO] tweaked toml for git repo https://github.com/hiddenLadder/lab-07 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/hiddenLadder/lab-07 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 crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust-multipart-rfc7578_2 v0.6.1
[INFO] [stderr]   Downloaded reserve-port v2.0.1
[INFO] [stderr]   Downloaded auto-future v1.0.0
[INFO] [stderr]   Downloaded axum-test v14.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e3f62078183a3c63a86f57e903ccd08732c2feb2f94019606d622d0fd7f30ef1
[INFO] running `Command { std: "docker" "start" "-a" "e3f62078183a3c63a86f57e903ccd08732c2feb2f94019606d622d0fd7f30ef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3f62078183a3c63a86f57e903ccd08732c2feb2f94019606d622d0fd7f30ef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3f62078183a3c63a86f57e903ccd08732c2feb2f94019606d622d0fd7f30ef1", kill_on_drop: false }`
[INFO] [stdout] e3f62078183a3c63a86f57e903ccd08732c2feb2f94019606d622d0fd7f30ef1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d4ffdbdf5c37a81444254bee08c5b14a2a6757ec6ea4bc2f87bc22136d51bdf4
[INFO] running `Command { std: "docker" "start" "-a" "d4ffdbdf5c37a81444254bee08c5b14a2a6757ec6ea4bc2f87bc22136d51bdf4", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling async-trait v0.1.78
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling cookie v0.18.0
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking auto-future v1.0.0
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling axum-core v0.4.3
[INFO] [stderr]    Compiling axum v0.7.4
[INFO] [stderr]     Checking http-body v1.0.0
[INFO] [stderr]     Checking http-body-util v0.1.1
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking rust-multipart-rfc7578_2 v0.6.1
[INFO] [stderr]     Checking reserve-port v2.0.1
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking h2 v0.4.3
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_path_to_error v0.1.16
[INFO] [stderr]     Checking uuid v1.8.0
[INFO] [stderr]     Checking hyper v1.2.0
[INFO] [stderr]     Checking hyper-util v0.1.3
[INFO] [stderr]     Checking axum-test v14.4.0
[INFO] [stderr]     Checking lab-07 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.06s
[INFO] running `Command { std: "docker" "inspect" "d4ffdbdf5c37a81444254bee08c5b14a2a6757ec6ea4bc2f87bc22136d51bdf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4ffdbdf5c37a81444254bee08c5b14a2a6757ec6ea4bc2f87bc22136d51bdf4", kill_on_drop: false }`
[INFO] [stdout] d4ffdbdf5c37a81444254bee08c5b14a2a6757ec6ea4bc2f87bc22136d51bdf4