[INFO] cloning repository https://github.com/rahij/fly-dist
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rahij/fly-dist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frahij%2Ffly-dist", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frahij%2Ffly-dist'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47f5555f0dd113782f28621619893db4aafbf4f7
[INFO] checking rahij/fly-dist against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frahij%2Ffly-dist" "/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/rahij/fly-dist 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/rahij/fly-dist
[INFO] finished tweaking git repo https://github.com/rahij/fly-dist
[INFO] tweaked toml for git repo https://github.com/rahij/fly-dist written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rahij/fly-dist 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-context v0.1.3
[INFO] [stderr]   Downloaded rustix v0.38.27
[INFO] [stderr]   Downloaded maelstrom-node v0.1.6
[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] 2aa7957ec13670322b5c3a7df4a4f13135958a4cade5740f572200389e27add5
[INFO] running `Command { std: "docker" "start" "-a" "2aa7957ec13670322b5c3a7df4a4f13135958a4cade5740f572200389e27add5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2aa7957ec13670322b5c3a7df4a4f13135958a4cade5740f572200389e27add5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aa7957ec13670322b5c3a7df4a4f13135958a4cade5740f572200389e27add5", kill_on_drop: false }`
[INFO] [stdout] 2aa7957ec13670322b5c3a7df4a4f13135958a4cade5740f572200389e27add5
[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] 3309effdbdc89489ef1f298edd2893f5dda6c1f737e759b253f6da18049f240d
[INFO] running `Command { std: "docker" "start" "-a" "3309effdbdc89489ef1f298edd2893f5dda6c1f737e759b253f6da18049f240d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling rustix v0.38.27
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking linux-raw-sys v0.4.12
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling async-trait v0.1.74
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking termcolor v1.4.0
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking simple-error v0.3.0
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking uuid v1.6.1
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking env_logger v0.10.1
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]     Checking tokio v1.35.0
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking tokio-context v0.1.3
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking maelstrom-node v0.1.6
[INFO] [stderr]     Checking fly v0.1.0 (/opt/rustwide/workdir/fly)
[INFO] [stderr]     Checking kafka v0.1.0 (/opt/rustwide/workdir/kafka)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.21s
[INFO] running `Command { std: "docker" "inspect" "3309effdbdc89489ef1f298edd2893f5dda6c1f737e759b253f6da18049f240d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3309effdbdc89489ef1f298edd2893f5dda6c1f737e759b253f6da18049f240d", kill_on_drop: false }`
[INFO] [stdout] 3309effdbdc89489ef1f298edd2893f5dda6c1f737e759b253f6da18049f240d