[INFO] fetching crate chitchat 0.5.0...
[INFO] checking chitchat-0.5.0 against master#b03864d546c9ded43242265abd4089e887ccc72e for pr-114740
[INFO] extracting crate chitchat 0.5.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate chitchat 0.5.0 on toolchain b03864d546c9ded43242265abd4089e887ccc72e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b03864d546c9ded43242265abd4089e887ccc72e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chitchat 0.5.0
[INFO] finished tweaking crates.io crate chitchat 0.5.0
[INFO] tweaked toml for crates.io crate chitchat 0.5.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b03864d546c9ded43242265abd4089e887ccc72e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b03864d546c9ded43242265abd4089e887ccc72e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mock_instant v0.2.1
[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@sha256:84cb280c7acaf12c1f874411053406050a24f846e52f817d4d9e64bcbe5ce959" "/opt/rustwide/cargo-home/bin/cargo" "+b03864d546c9ded43242265abd4089e887ccc72e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 659467eca1eb2c1440a308203b0d00a382a4a06c31bd86a6ca6a916c126e6fb6
[INFO] running `Command { std: "docker" "start" "-a" "659467eca1eb2c1440a308203b0d00a382a4a06c31bd86a6ca6a916c126e6fb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "659467eca1eb2c1440a308203b0d00a382a4a06c31bd86a6ca6a916c126e6fb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "659467eca1eb2c1440a308203b0d00a382a4a06c31bd86a6ca6a916c126e6fb6", kill_on_drop: false }`
[INFO] [stdout] 659467eca1eb2c1440a308203b0d00a382a4a06c31bd86a6ca6a916c126e6fb6
[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@sha256:84cb280c7acaf12c1f874411053406050a24f846e52f817d4d9e64bcbe5ce959" "/opt/rustwide/cargo-home/bin/cargo" "+b03864d546c9ded43242265abd4089e887ccc72e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf6060d6ebebe9abe8ef2862be93b92a83c0e2e409c5bdf67f9749466db58ee4
[INFO] running `Command { std: "docker" "start" "-a" "bf6060d6ebebe9abe8ef2862be93b92a83c0e2e409c5bdf67f9749466db58ee4", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking mock_instant v0.2.1
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking serde_json v1.0.104
[INFO] [stderr]     Checking assert-json-diff v2.0.2
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling async-trait v0.1.73
[INFO] [stderr]     Checking tokio v1.31.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking chitchat v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/state.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |             let mut node_state_map = self
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/state.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |             let mut node_state_map = self
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.82s
[INFO] running `Command { std: "docker" "inspect" "bf6060d6ebebe9abe8ef2862be93b92a83c0e2e409c5bdf67f9749466db58ee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf6060d6ebebe9abe8ef2862be93b92a83c0e2e409c5bdf67f9749466db58ee4", kill_on_drop: false }`
[INFO] [stdout] bf6060d6ebebe9abe8ef2862be93b92a83c0e2e409c5bdf67f9749466db58ee4