[INFO] cloning repository https://github.com/x2flip/rustwsserver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/x2flip/rustwsserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fx2flip%2Frustwsserver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fx2flip%2Frustwsserver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3129c38b83685de75c843221c3cae068ff512216
[INFO] checking x2flip/rustwsserver against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fx2flip%2Frustwsserver" "/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/x2flip/rustwsserver 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/x2flip/rustwsserver
[INFO] finished tweaking git repo https://github.com/x2flip/rustwsserver
[INFO] tweaked toml for git repo https://github.com/x2flip/rustwsserver written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/x2flip/rustwsserver 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] cb7b7af2975a6b8c50c9679c9c04323a550d8accdbbfb83b00d74dd5825136b6
[INFO] running `Command { std: "docker" "start" "-a" "cb7b7af2975a6b8c50c9679c9c04323a550d8accdbbfb83b00d74dd5825136b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb7b7af2975a6b8c50c9679c9c04323a550d8accdbbfb83b00d74dd5825136b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb7b7af2975a6b8c50c9679c9c04323a550d8accdbbfb83b00d74dd5825136b6", kill_on_drop: false }`
[INFO] [stdout] cb7b7af2975a6b8c50c9679c9c04323a550d8accdbbfb83b00d74dd5825136b6
[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] 0d68a0b279d6b85cd3c8484179820d2628aa485566b38c1bd81154e34acfe2fd
[INFO] running `Command { std: "docker" "start" "-a" "0d68a0b279d6b85cd3c8484179820d2628aa485566b38c1bd81154e34acfe2fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]     Checking pin-project-lite v0.2.12
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling thiserror v1.0.47
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling multer v2.1.0
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking base64 v0.21.2
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking rustls-pemfile v1.0.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking generic-array v0.14.7
[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 v0.10.5
[INFO] [stderr]     Checking headers v0.3.8
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking uuid v1.4.1
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.47
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking tungstenite v0.18.0
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tokio-tungstenite v0.18.0
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking h2 v0.3.20
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking warp v0.3.5
[INFO] [stderr]     Checking chatserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.62s
[INFO] running `Command { std: "docker" "inspect" "0d68a0b279d6b85cd3c8484179820d2628aa485566b38c1bd81154e34acfe2fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d68a0b279d6b85cd3c8484179820d2628aa485566b38c1bd81154e34acfe2fd", kill_on_drop: false }`
[INFO] [stdout] 0d68a0b279d6b85cd3c8484179820d2628aa485566b38c1bd81154e34acfe2fd
[INFO] checking x2flip/rustwsserver against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fx2flip%2Frustwsserver" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/x2flip/rustwsserver 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/x2flip/rustwsserver
[INFO] finished tweaking git repo https://github.com/x2flip/rustwsserver
[INFO] tweaked toml for git repo https://github.com/x2flip/rustwsserver written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/x2flip/rustwsserver 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c292d4b204cd7d5e22481156a8565b54c8a3a46922326ee5ebbdbf93315e9dec
[INFO] running `Command { std: "docker" "start" "-a" "c292d4b204cd7d5e22481156a8565b54c8a3a46922326ee5ebbdbf93315e9dec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c292d4b204cd7d5e22481156a8565b54c8a3a46922326ee5ebbdbf93315e9dec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c292d4b204cd7d5e22481156a8565b54c8a3a46922326ee5ebbdbf93315e9dec", kill_on_drop: false }`
[INFO] [stdout] c292d4b204cd7d5e22481156a8565b54c8a3a46922326ee5ebbdbf93315e9dec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f313edb4d74b3b2d33b9b2ef1de5c9dd84ab3da0aa763d7a9e9ae0e0d2588aa3
[INFO] running `Command { std: "docker" "start" "-a" "f313edb4d74b3b2d33b9b2ef1de5c9dd84ab3da0aa763d7a9e9ae0e0d2588aa3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]     Checking pin-project-lite v0.2.12
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling thiserror v1.0.47
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling multer v2.1.0
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking base64 v0.21.2
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rustls-pemfile v1.0.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]     Checking headers v0.3.8
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking uuid v1.4.1
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.47
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking tungstenite v0.18.0
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking tokio-tungstenite v0.18.0
[INFO] [stderr]     Checking h2 v0.3.20
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking warp v0.3.5
[INFO] [stderr]     Checking chatserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.22s
[INFO] running `Command { std: "docker" "inspect" "f313edb4d74b3b2d33b9b2ef1de5c9dd84ab3da0aa763d7a9e9ae0e0d2588aa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f313edb4d74b3b2d33b9b2ef1de5c9dd84ab3da0aa763d7a9e9ae0e0d2588aa3", kill_on_drop: false }`
[INFO] [stdout] f313edb4d74b3b2d33b9b2ef1de5c9dd84ab3da0aa763d7a9e9ae0e0d2588aa3