[INFO] cloning repository https://github.com/lannonbr/zellij-3036-repro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lannonbr/zellij-3036-repro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flannonbr%2Fzellij-3036-repro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flannonbr%2Fzellij-3036-repro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e9d9be3056bce803b524ccc5bf3807f0280edaa
[INFO] checking lannonbr/zellij-3036-repro against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flannonbr%2Fzellij-3036-repro" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lannonbr/zellij-3036-repro 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/lannonbr/zellij-3036-repro
[INFO] finished tweaking git repo https://github.com/lannonbr/zellij-3036-repro
[INFO] tweaked toml for git repo https://github.com/lannonbr/zellij-3036-repro written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lannonbr/zellij-3036-repro 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 event-listener v4.0.1
[INFO] [stderr]   Downloaded libnghttp2-sys v0.1.8+1.55.1
[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] 486048ab5246ed2983a887191d3ddf0dc021e141acc3e76aa67b05e04f1d4427
[INFO] running `Command { std: "docker" "start" "-a" "486048ab5246ed2983a887191d3ddf0dc021e141acc3e76aa67b05e04f1d4427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "486048ab5246ed2983a887191d3ddf0dc021e141acc3e76aa67b05e04f1d4427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "486048ab5246ed2983a887191d3ddf0dc021e141acc3e76aa67b05e04f1d4427", kill_on_drop: false }`
[INFO] [stdout] 486048ab5246ed2983a887191d3ddf0dc021e141acc3e76aa67b05e04f1d4427
[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] 74be1d09ee0686977c6cae4bf2d2fce3bf3369691665eb177277354d2acf7b3d
[INFO] running `Command { std: "docker" "start" "-a" "74be1d09ee0686977c6cae4bf2d2fce3bf3369691665eb177277354d2acf7b3d", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `status`
[INFO] [stdout]   --> src/main.rs:54:21
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 Ok((status, headers, body)) => {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `headers`
[INFO] [stdout]   --> src/main.rs:54:29
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 Ok((status, headers, body)) => {
[INFO] [stdout]    |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_headers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `status`
[INFO] [stdout]   --> src/main.rs:54:21
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 Ok((status, headers, body)) => {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `headers`
[INFO] [stdout]   --> src/main.rs:54:29
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 Ok((status, headers, body)) => {
[INFO] [stdout]    |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_headers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Post`, `Put`, and `Delete` are never constructed
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | enum HttpVerb {
[INFO] [stdout]    |      -------- variants in this enum
[INFO] [stdout] 10 |     Get,
[INFO] [stdout] 11 |     Post,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     Put,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 13 |     Delete,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Post`, `Put`, and `Delete` are never constructed
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | enum HttpVerb {
[INFO] [stdout]    |      -------- variants in this enum
[INFO] [stdout] 10 |     Get,
[INFO] [stdout] 11 |     Post,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     Put,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 13 |     Delete,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[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 1m 52s
[INFO] running `Command { std: "docker" "inspect" "74be1d09ee0686977c6cae4bf2d2fce3bf3369691665eb177277354d2acf7b3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74be1d09ee0686977c6cae4bf2d2fce3bf3369691665eb177277354d2acf7b3d", kill_on_drop: false }`
[INFO] [stdout] 74be1d09ee0686977c6cae4bf2d2fce3bf3369691665eb177277354d2acf7b3d