[INFO] cloning repository https://github.com/papapumpkin/rust-http-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/papapumpkin/rust-http-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpapapumpkin%2Frust-http-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpapapumpkin%2Frust-http-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b996d2aeed75ccbd3213af92af5e266a9e8c21c5
[INFO] checking papapumpkin/rust-http-server against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpapapumpkin%2Frust-http-server" "/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/papapumpkin/rust-http-server 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/papapumpkin/rust-http-server
[INFO] finished tweaking git repo https://github.com/papapumpkin/rust-http-server
[INFO] tweaked toml for git repo https://github.com/papapumpkin/rust-http-server written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/papapumpkin/rust-http-server 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: unused manifest key: profile.dev.test-threads
[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] 2dc0bee61ca595a123c4f03ad8b39ac9e9a9b0c2bdba6a7f0d2ba3abe38468b9
[INFO] running `Command { std: "docker" "start" "-a" "2dc0bee61ca595a123c4f03ad8b39ac9e9a9b0c2bdba6a7f0d2ba3abe38468b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dc0bee61ca595a123c4f03ad8b39ac9e9a9b0c2bdba6a7f0d2ba3abe38468b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dc0bee61ca595a123c4f03ad8b39ac9e9a9b0c2bdba6a7f0d2ba3abe38468b9", kill_on_drop: false }`
[INFO] [stdout] 2dc0bee61ca595a123c4f03ad8b39ac9e9a9b0c2bdba6a7f0d2ba3abe38468b9
[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] 46e17b492d0e1a2bde016bb1faf3fe9f31264ec9cbc648ad183122903fec176c
[INFO] running `Command { std: "docker" "start" "-a" "46e17b492d0e1a2bde016bb1faf3fe9f31264ec9cbc648ad183122903fec176c", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: profile.dev.test-threads
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking itertools v0.12.0
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking yansi v0.5.1
[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]     Checking nom v7.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking thiserror v1.0.56
[INFO] [stderr]     Checking rust_http_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `buffer_size` is never read
[INFO] [stdout]  --> src/config.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Settings {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 6 |     pub buffer_size: usize,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ErrorExit` is never constructed
[INFO] [stdout]  --> src/shutdown.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum ShutdownSignal {
[INFO] [stdout]   |          -------------- variant in this enum
[INFO] [stdout] 4 |     NormalExit,
[INFO] [stdout] 5 |     ErrorExit(i32),
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.63s
[INFO] running `Command { std: "docker" "inspect" "46e17b492d0e1a2bde016bb1faf3fe9f31264ec9cbc648ad183122903fec176c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46e17b492d0e1a2bde016bb1faf3fe9f31264ec9cbc648ad183122903fec176c", kill_on_drop: false }`
[INFO] [stdout] 46e17b492d0e1a2bde016bb1faf3fe9f31264ec9cbc648ad183122903fec176c