[INFO] cloning repository https://github.com/wiresock/wsecho
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wiresock/wsecho" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwiresock%2Fwsecho", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwiresock%2Fwsecho'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b93fb5f756a346ee09ac88d566528435cc343c93
[INFO] checking wiresock/wsecho against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwiresock%2Fwsecho" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wiresock/wsecho 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/wiresock/wsecho
[INFO] finished tweaking git repo https://github.com/wiresock/wsecho
[INFO] tweaked toml for git repo https://github.com/wiresock/wsecho written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/wiresock/wsecho 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 031d58c82d3c7365fc1253e0f10912a093d8ab0aa0de82b0b7e00746012c824d
[INFO] running `Command { std: "docker" "start" "-a" "031d58c82d3c7365fc1253e0f10912a093d8ab0aa0de82b0b7e00746012c824d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "031d58c82d3c7365fc1253e0f10912a093d8ab0aa0de82b0b7e00746012c824d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "031d58c82d3c7365fc1253e0f10912a093d8ab0aa0de82b0b7e00746012c824d", kill_on_drop: false }`
[INFO] [stdout] 031d58c82d3c7365fc1253e0f10912a093d8ab0aa0de82b0b7e00746012c824d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e040bbe09b3cd30086551a6e373a4abef8f519c86ba0683a16898ea45cd02a0a
[INFO] running `Command { std: "docker" "start" "-a" "e040bbe09b3cd30086551a6e373a4abef8f519c86ba0683a16898ea45cd02a0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking unicode-bidi v0.3.14
[INFO] [stderr]     Checking cpufeatures v0.2.11
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking data-encoding v2.5.0
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling syn v2.0.41
[INFO] [stderr]     Checking http v1.0.0
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]     Checking tungstenite v0.21.0
[INFO] [stderr]     Checking wsecho v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.35s
[INFO] running `Command { std: "docker" "inspect" "e040bbe09b3cd30086551a6e373a4abef8f519c86ba0683a16898ea45cd02a0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e040bbe09b3cd30086551a6e373a4abef8f519c86ba0683a16898ea45cd02a0a", kill_on_drop: false }`
[INFO] [stdout] e040bbe09b3cd30086551a6e373a4abef8f519c86ba0683a16898ea45cd02a0a