[INFO] cloning repository https://github.com/marvelm57/tutorial-10-broadcast-chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marvelm57/tutorial-10-broadcast-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarvelm57%2Ftutorial-10-broadcast-chat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarvelm57%2Ftutorial-10-broadcast-chat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ef3fdc2e4e86e7fc7f6049abf688b7e694c6f4a
[INFO] checking marvelm57/tutorial-10-broadcast-chat against master#42f4793e5a514858221b07ac379029d90353913e for pr-148952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarvelm57%2Ftutorial-10-broadcast-chat" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/marvelm57/tutorial-10-broadcast-chat
[INFO] finished tweaking git repo https://github.com/marvelm57/tutorial-10-broadcast-chat
[INFO] tweaked toml for git repo https://github.com/marvelm57/tutorial-10-broadcast-chat written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/marvelm57/tutorial-10-broadcast-chat on toolchain 42f4793e5a514858221b07ac379029d90353913e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/marvelm57/tutorial-10-broadcast-chat 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" "+42f4793e5a514858221b07ac379029d90353913e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_syscall v0.5.1
[INFO] [stderr]   Downloaded cc v1.0.96
[INFO] [stderr]   Downloaded tokio-websockets v0.8.2
[INFO] [stderr]   Downloaded parking_lot v0.12.2
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c7de53a1073f23e3c84b1d1cb7951fbc7d2e883b140db6f687e0d26a274f062
[INFO] running `Command { std: "docker" "start" "-a" "5c7de53a1073f23e3c84b1d1cb7951fbc7d2e883b140db6f687e0d26a274f062", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c7de53a1073f23e3c84b1d1cb7951fbc7d2e883b140db6f687e0d26a274f062", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c7de53a1073f23e3c84b1d1cb7951fbc7d2e883b140db6f687e0d26a274f062", kill_on_drop: false }`
[INFO] [stdout] 5c7de53a1073f23e3c84b1d1cb7951fbc7d2e883b140db6f687e0d26a274f062
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1583b9e6337b353998f37468c01820dc36420b7b709cddd7f538498731250a21
[INFO] running `Command { std: "docker" "start" "-a" "1583b9e6337b353998f37468c01820dc36420b7b709cddd7f538498731250a21", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking fastrand v2.1.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking parking_lot v0.12.2
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tokio-util v0.7.11
[INFO] [stderr]     Checking tokio-websockets v0.8.2
[INFO] [stderr]     Checking broadcast-chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.83s
[INFO] running `Command { std: "docker" "inspect" "1583b9e6337b353998f37468c01820dc36420b7b709cddd7f538498731250a21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1583b9e6337b353998f37468c01820dc36420b7b709cddd7f538498731250a21", kill_on_drop: false }`
[INFO] [stdout] 1583b9e6337b353998f37468c01820dc36420b7b709cddd7f538498731250a21