[INFO] cloning repository https://github.com/vs-123/rust-chatting-website
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vs-123/rust-chatting-website" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvs-123%2Frust-chatting-website", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvs-123%2Frust-chatting-website'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6024a0da43e5e5fc42b1ebb3e89376c889dd5fd4
[INFO] checking vs-123/rust-chatting-website against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvs-123%2Frust-chatting-website" "/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/vs-123/rust-chatting-website 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/vs-123/rust-chatting-website
[INFO] finished tweaking git repo https://github.com/vs-123/rust-chatting-website
[INFO] tweaked toml for git repo https://github.com/vs-123/rust-chatting-website written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/vs-123/rust-chatting-website 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] 7a24044473aaddb85b783a026e8a34c34ae8f450ab0e5ac8dd86b64c686752cf
[INFO] running `Command { std: "docker" "start" "-a" "7a24044473aaddb85b783a026e8a34c34ae8f450ab0e5ac8dd86b64c686752cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a24044473aaddb85b783a026e8a34c34ae8f450ab0e5ac8dd86b64c686752cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a24044473aaddb85b783a026e8a34c34ae8f450ab0e5ac8dd86b64c686752cf", kill_on_drop: false }`
[INFO] [stdout] 7a24044473aaddb85b783a026e8a34c34ae8f450ab0e5ac8dd86b64c686752cf
[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] 8e4bc4dcd7464f4b068262c36989912ac86326d9a06525ffa92a7a3eed463233
[INFO] running `Command { std: "docker" "start" "-a" "8e4bc4dcd7464f4b068262c36989912ac86326d9a06525ffa92a7a3eed463233", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking unicode-normalization v0.1.18
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking ws v0.9.1
[INFO] [stderr]     Checking rust-chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.88s
[INFO] running `Command { std: "docker" "inspect" "8e4bc4dcd7464f4b068262c36989912ac86326d9a06525ffa92a7a3eed463233", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e4bc4dcd7464f4b068262c36989912ac86326d9a06525ffa92a7a3eed463233", kill_on_drop: false }`
[INFO] [stdout] 8e4bc4dcd7464f4b068262c36989912ac86326d9a06525ffa92a7a3eed463233
[INFO] checking vs-123/rust-chatting-website against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvs-123%2Frust-chatting-website" "/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/vs-123/rust-chatting-website 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/vs-123/rust-chatting-website
[INFO] finished tweaking git repo https://github.com/vs-123/rust-chatting-website
[INFO] tweaked toml for git repo https://github.com/vs-123/rust-chatting-website written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/vs-123/rust-chatting-website 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] ab14442d1baf24ab0c764bb51b6d5070ea0dc4955b2cdf9516a1f2d75aaff181
[INFO] running `Command { std: "docker" "start" "-a" "ab14442d1baf24ab0c764bb51b6d5070ea0dc4955b2cdf9516a1f2d75aaff181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab14442d1baf24ab0c764bb51b6d5070ea0dc4955b2cdf9516a1f2d75aaff181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab14442d1baf24ab0c764bb51b6d5070ea0dc4955b2cdf9516a1f2d75aaff181", kill_on_drop: false }`
[INFO] [stdout] ab14442d1baf24ab0c764bb51b6d5070ea0dc4955b2cdf9516a1f2d75aaff181
[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] 540f022e685e470bc0013f2aa395fda610037f4aae27d3ec7bc4d8cbe7401873
[INFO] running `Command { std: "docker" "start" "-a" "540f022e685e470bc0013f2aa395fda610037f4aae27d3ec7bc4d8cbe7401873", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking unicode-normalization v0.1.18
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking ws v0.9.1
[INFO] [stderr]     Checking rust-chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.12s
[INFO] running `Command { std: "docker" "inspect" "540f022e685e470bc0013f2aa395fda610037f4aae27d3ec7bc4d8cbe7401873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "540f022e685e470bc0013f2aa395fda610037f4aae27d3ec7bc4d8cbe7401873", kill_on_drop: false }`
[INFO] [stdout] 540f022e685e470bc0013f2aa395fda610037f4aae27d3ec7bc4d8cbe7401873