[INFO] fetching crate chitchat 0.5.0...
[INFO] checking chitchat-0.5.0 against try#e7920004d5fc5c25e6a81a373abcc9e5161ff603 for pr-115008
[INFO] extracting crate chitchat 0.5.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate chitchat 0.5.0 on toolchain e7920004d5fc5c25e6a81a373abcc9e5161ff603
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e7920004d5fc5c25e6a81a373abcc9e5161ff603" "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-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e7920004d5fc5c25e6a81a373abcc9e5161ff603" "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" "+e7920004d5fc5c25e6a81a373abcc9e5161ff603" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ee140239ab1b0f8122969764b067164664e0d95d26f53df575574e2e5e286359" "/opt/rustwide/cargo-home/bin/cargo" "+e7920004d5fc5c25e6a81a373abcc9e5161ff603" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3fc90bd3d73fcbde75259f829c9338eab9b90f218bdee1f21caacb9c80e044a
[INFO] running `Command { std: "docker" "start" "-a" "e3fc90bd3d73fcbde75259f829c9338eab9b90f218bdee1f21caacb9c80e044a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3fc90bd3d73fcbde75259f829c9338eab9b90f218bdee1f21caacb9c80e044a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3fc90bd3d73fcbde75259f829c9338eab9b90f218bdee1f21caacb9c80e044a", kill_on_drop: false }`
[INFO] [stdout] e3fc90bd3d73fcbde75259f829c9338eab9b90f218bdee1f21caacb9c80e044a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ee140239ab1b0f8122969764b067164664e0d95d26f53df575574e2e5e286359" "/opt/rustwide/cargo-home/bin/cargo" "+e7920004d5fc5c25e6a81a373abcc9e5161ff603" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffbc9d0be2c8f2d698c92d8c95f32e1df2dd413fe181e7019059c539bb05669f
[INFO] running `Command { std: "docker" "start" "-a" "ffbc9d0be2c8f2d698c92d8c95f32e1df2dd413fe181e7019059c539bb05669f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking pin-project-lite v0.2.12
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling async-trait v0.1.73
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking mock_instant v0.2.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking rand v0.8.5
[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]     Checking tokio v1.32.0
[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 32.05s
[INFO] running `Command { std: "docker" "inspect" "ffbc9d0be2c8f2d698c92d8c95f32e1df2dd413fe181e7019059c539bb05669f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffbc9d0be2c8f2d698c92d8c95f32e1df2dd413fe181e7019059c539bb05669f", kill_on_drop: false }`
[INFO] [stdout] ffbc9d0be2c8f2d698c92d8c95f32e1df2dd413fe181e7019059c539bb05669f