[INFO] cloning repository https://github.com/MarinusS/protohackers-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MarinusS/protohackers-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarinusS%2Fprotohackers-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarinusS%2Fprotohackers-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5ce6bef45e7b372d291a5882d750aa35491bfb08
[INFO] checking MarinusS/protohackers-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarinusS%2Fprotohackers-rs" "/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/MarinusS/protohackers-rs 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/MarinusS/protohackers-rs
[INFO] finished tweaking git repo https://github.com/MarinusS/protohackers-rs
[INFO] tweaked toml for git repo https://github.com/MarinusS/protohackers-rs written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MarinusS/protohackers-rs 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: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[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] c0ebe8bd23bd4600e684361e1bccbb75c5928b32846bbae7ff6d609f84286098
[INFO] running `Command { std: "docker" "start" "-a" "c0ebe8bd23bd4600e684361e1bccbb75c5928b32846bbae7ff6d609f84286098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0ebe8bd23bd4600e684361e1bccbb75c5928b32846bbae7ff6d609f84286098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0ebe8bd23bd4600e684361e1bccbb75c5928b32846bbae7ff6d609f84286098", kill_on_drop: false }`
[INFO] [stdout] c0ebe8bd23bd4600e684361e1bccbb75c5928b32846bbae7ff6d609f84286098
[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] 6f8d2ee7463f9c1de0a5ee403dfcbee48084f77e1d0865c1a8b6bdcdc29f0510
[INFO] running `Command { std: "docker" "start" "-a" "6f8d2ee7463f9c1de0a5ee403dfcbee48084f77e1d0865c1a8b6bdcdc29f0510", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]     Checking problem_1 v0.1.0 (/opt/rustwide/workdir/problem_1)
[INFO] [stderr]     Checking problem_2 v0.1.0 (/opt/rustwide/workdir/problem_2)
[INFO] [stderr]     Checking problem_0 v0.1.0 (/opt/rustwide/workdir/problem_0)
[INFO] [stderr]     Checking problem_3 v0.1.0 (/opt/rustwide/workdir/problem_3)
[INFO] [stderr]     Checking problem_4 v0.1.0 (/opt/rustwide/workdir/problem_4)
[INFO] [stderr]     Checking problem_5 v0.1.0 (/opt/rustwide/workdir/problem_5)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.01s
[INFO] running `Command { std: "docker" "inspect" "6f8d2ee7463f9c1de0a5ee403dfcbee48084f77e1d0865c1a8b6bdcdc29f0510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f8d2ee7463f9c1de0a5ee403dfcbee48084f77e1d0865c1a8b6bdcdc29f0510", kill_on_drop: false }`
[INFO] [stdout] 6f8d2ee7463f9c1de0a5ee403dfcbee48084f77e1d0865c1a8b6bdcdc29f0510