[INFO] cloning repository https://github.com/lambda-z/rust-websocket-service-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lambda-z/rust-websocket-service-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flambda-z%2Frust-websocket-service-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flambda-z%2Frust-websocket-service-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a05d57d08b67dd1033cec4abb6f1e4202f0428f
[INFO] checking lambda-z/rust-websocket-service-example against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flambda-z%2Frust-websocket-service-example" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lambda-z/rust-websocket-service-example 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/lambda-z/rust-websocket-service-example
[INFO] finished tweaking git repo https://github.com/lambda-z/rust-websocket-service-example
[INFO] tweaked toml for git repo https://github.com/lambda-z/rust-websocket-service-example written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lambda-z/rust-websocket-service-example 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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] aafa819d3aefc188ccceeef0823626cc4fd3e289d983e9e8c9542dd60eaa6001
[INFO] running `Command { std: "docker" "start" "-a" "aafa819d3aefc188ccceeef0823626cc4fd3e289d983e9e8c9542dd60eaa6001", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aafa819d3aefc188ccceeef0823626cc4fd3e289d983e9e8c9542dd60eaa6001", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aafa819d3aefc188ccceeef0823626cc4fd3e289d983e9e8c9542dd60eaa6001", kill_on_drop: false }`
[INFO] [stdout] aafa819d3aefc188ccceeef0823626cc4fd3e289d983e9e8c9542dd60eaa6001
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 47231750715eaf2131d54bdb269aa36b65a6e1a4ce59dd25edecd1b2d80403a9
[INFO] running `Command { std: "docker" "start" "-a" "47231750715eaf2131d54bdb269aa36b65a6e1a4ce59dd25edecd1b2d80403a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking unicode-bidi v0.3.14
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking iana-time-zone v0.1.59
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking data-encoding v2.5.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking http v1.0.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]     Checking tungstenite v0.21.0
[INFO] [stderr]     Checking rust-ws-service v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.16s
[INFO] running `Command { std: "docker" "inspect" "47231750715eaf2131d54bdb269aa36b65a6e1a4ce59dd25edecd1b2d80403a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47231750715eaf2131d54bdb269aa36b65a6e1a4ce59dd25edecd1b2d80403a9", kill_on_drop: false }`
[INFO] [stdout] 47231750715eaf2131d54bdb269aa36b65a6e1a4ce59dd25edecd1b2d80403a9
[INFO] checking lambda-z/rust-websocket-service-example against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flambda-z%2Frust-websocket-service-example" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lambda-z/rust-websocket-service-example on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lambda-z/rust-websocket-service-example
[INFO] finished tweaking git repo https://github.com/lambda-z/rust-websocket-service-example
[INFO] tweaked toml for git repo https://github.com/lambda-z/rust-websocket-service-example written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/lambda-z/rust-websocket-service-example 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1de3a654cf434eee1ddcb0cd3ab5e3173e4dfb491205815c909c9f07d33ea0b4
[INFO] running `Command { std: "docker" "start" "-a" "1de3a654cf434eee1ddcb0cd3ab5e3173e4dfb491205815c909c9f07d33ea0b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1de3a654cf434eee1ddcb0cd3ab5e3173e4dfb491205815c909c9f07d33ea0b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1de3a654cf434eee1ddcb0cd3ab5e3173e4dfb491205815c909c9f07d33ea0b4", kill_on_drop: false }`
[INFO] [stdout] 1de3a654cf434eee1ddcb0cd3ab5e3173e4dfb491205815c909c9f07d33ea0b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de63dab065b7f58f96c5ce02ccbe1679e688587a63302c9d4e33a05eca17a7ba
[INFO] running `Command { std: "docker" "start" "-a" "de63dab065b7f58f96c5ce02ccbe1679e688587a63302c9d4e33a05eca17a7ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking unicode-bidi v0.3.14
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking data-encoding v2.5.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking iana-time-zone v0.1.59
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking http v1.0.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]     Checking tungstenite v0.21.0
[INFO] [stderr]     Checking rust-ws-service v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.92s
[INFO] running `Command { std: "docker" "inspect" "de63dab065b7f58f96c5ce02ccbe1679e688587a63302c9d4e33a05eca17a7ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de63dab065b7f58f96c5ce02ccbe1679e688587a63302c9d4e33a05eca17a7ba", kill_on_drop: false }`
[INFO] [stdout] de63dab065b7f58f96c5ce02ccbe1679e688587a63302c9d4e33a05eca17a7ba