[INFO] fetching crate quantum 0.1.2... [INFO] checking quantum-0.1.2 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] extracting crate quantum 0.1.2 into /workspace/builds/worker-82/source [INFO] validating manifest of crates.io crate quantum 0.1.2 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate quantum 0.1.2 [INFO] finished tweaking crates.io crate quantum 0.1.2 [INFO] tweaked toml for crates.io crate quantum 0.1.2 written to /workspace/builds/worker-82/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4d48c74f91f53f1dcfc3e43a4ae900c912bfed901f9da4c8120addfe93e4c68e [INFO] running `Command { std: "docker" "start" "-a" "4d48c74f91f53f1dcfc3e43a4ae900c912bfed901f9da4c8120addfe93e4c68e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4d48c74f91f53f1dcfc3e43a4ae900c912bfed901f9da4c8120addfe93e4c68e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d48c74f91f53f1dcfc3e43a4ae900c912bfed901f9da4c8120addfe93e4c68e", kill_on_drop: false }` [INFO] [stdout] 4d48c74f91f53f1dcfc3e43a4ae900c912bfed901f9da4c8120addfe93e4c68e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] eb09d8da20c96464bd67a09b58990ad918b64e2a21da910587692914f600fd5e [INFO] running `Command { std: "docker" "start" "-a" "eb09d8da20c96464bd67a09b58990ad918b64e2a21da910587692914f600fd5e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking float-cmp v0.2.5 [INFO] [stderr] Checking quantum v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/matrix.rs:193:8 [INFO] [stdout] | [INFO] [stdout] 193 | let mut m = m_real![1, 2; 3, 4]; [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] --> src/matrix.rs:203:9 [INFO] [stdout] | [INFO] [stdout] 203 | let mut added = m_real![2, 4; 6, 8]; [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] --> src/matrix.rs:205:9 [INFO] [stdout] | [INFO] [stdout] 205 | let mut squared = m_real![7, 10; 15, 22]; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.54s [INFO] running `Command { std: "docker" "inspect" "eb09d8da20c96464bd67a09b58990ad918b64e2a21da910587692914f600fd5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb09d8da20c96464bd67a09b58990ad918b64e2a21da910587692914f600fd5e", kill_on_drop: false }` [INFO] [stdout] eb09d8da20c96464bd67a09b58990ad918b64e2a21da910587692914f600fd5e