[INFO] fetching crate speare 0.1.10... [INFO] checking speare-0.1.10 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate speare 0.1.10 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate speare 0.1.10 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate speare 0.1.10 [INFO] finished tweaking crates.io crate speare 0.1.10 [INFO] tweaked toml for crates.io crate speare 0.1.10 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 44 packages to latest compatible versions [INFO] [stderr] Adding addr2line v0.22.0 (latest: v0.24.1) [INFO] [stderr] Adding convert_case v0.4.0 (latest: v0.6.0) [INFO] [stderr] Adding derive_more v0.99.18 (latest: v1.0.0) [INFO] [stderr] Adding gimli v0.29.0 (latest: v0.31.0) [INFO] [stderr] Adding miniz_oxide v0.7.4 (latest: v0.8.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7b1578d06de65676ffcbf928aeb8b316f2404a3c120563817df2ff06ab22eecc [INFO] running `Command { std: "docker" "start" "-a" "7b1578d06de65676ffcbf928aeb8b316f2404a3c120563817df2ff06ab22eecc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7b1578d06de65676ffcbf928aeb8b316f2404a3c120563817df2ff06ab22eecc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b1578d06de65676ffcbf928aeb8b316f2404a3c120563817df2ff06ab22eecc", kill_on_drop: false }` [INFO] [stdout] 7b1578d06de65676ffcbf928aeb8b316f2404a3c120563817df2ff06ab22eecc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 40c2fffa2085b30d9c0728f81a1badec06123e60cc97cc73e891de0386932cb0 [INFO] running `Command { std: "docker" "start" "-a" "40c2fffa2085b30d9c0728f81a1badec06123e60cc97cc73e891de0386932cb0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Compiling async-trait v0.1.81 [INFO] [stderr] Checking tokio v1.40.0 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking nanorand v0.7.0 [INFO] [stderr] Checking flume v0.11.0 [INFO] [stderr] Checking speare v0.1.10 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/handle_send.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | let mut node = Node::default(); [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] --> tests/when_errors.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | let mut node = Node::default(); [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: variable does not need to be mutable [INFO] [stdout] --> tests/root_process_stops_children.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | let mut node = Node::default(); [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: variable does not need to be mutable [INFO] [stdout] --> tests/root_process_stops_children.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 73 | let mut node = Node::default(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/root_process_stops_children.rs:127:9 [INFO] [stdout] | [INFO] [stdout] 127 | let mut node = Node::default(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/lifetime_deps.rs:105:9 [INFO] [stdout] | [INFO] [stdout] 105 | let mut node = Node::default(); [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: variable does not need to be mutable [INFO] [stdout] --> tests/lifetime_deps.rs:137:9 [INFO] [stdout] | [INFO] [stdout] 137 | let mut node = Node::default(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/supervision.rs:78:13 [INFO] [stdout] | [INFO] [stdout] 78 | let mut node = Node::default(); [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: variable does not need to be mutable [INFO] [stdout] --> tests/supervision.rs:136:13 [INFO] [stdout] | [INFO] [stdout] 136 | let mut node = Node::default(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/supervision.rs:207:13 [INFO] [stdout] | [INFO] [stdout] 207 | let mut node = Node::default(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/supervision.rs:338:13 [INFO] [stdout] | [INFO] [stdout] 338 | let mut node = Node::default(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/supervision.rs:387:13 [INFO] [stdout] | [INFO] [stdout] 387 | let mut node = Node::default(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/supervision.rs:451:13 [INFO] [stdout] | [INFO] [stdout] 451 | let mut node = Node::default(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/supervision.rs:524:13 [INFO] [stdout] | [INFO] [stdout] 524 | let mut node = Node::default(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/supervision.rs:653:13 [INFO] [stdout] | [INFO] [stdout] 653 | let mut node = Node::default(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/supervision.rs:725:13 [INFO] [stdout] | [INFO] [stdout] 725 | let mut node = Node::default(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.67s [INFO] running `Command { std: "docker" "inspect" "40c2fffa2085b30d9c0728f81a1badec06123e60cc97cc73e891de0386932cb0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40c2fffa2085b30d9c0728f81a1badec06123e60cc97cc73e891de0386932cb0", kill_on_drop: false }` [INFO] [stdout] 40c2fffa2085b30d9c0728f81a1badec06123e60cc97cc73e891de0386932cb0