[INFO] cloning repository https://github.com/dandelion-blanc/practice14_nalgebra [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dandelion-blanc/practice14_nalgebra" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice14_nalgebra", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice14_nalgebra'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] dc7ce3e8d822212b1ba7d994aa955b2ef09db169 [INFO] testing dandelion-blanc/practice14_nalgebra against master#61469b682c2b0bf9cebc4622f1859e2bb3b7ebca for pr-91743 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice14_nalgebra" "/workspace/builds/worker-26/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dandelion-blanc/practice14_nalgebra on toolchain 61469b682c2b0bf9cebc4622f1859e2bb3b7ebca [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dandelion-blanc/practice14_nalgebra [INFO] finished tweaking git repo https://github.com/dandelion-blanc/practice14_nalgebra [INFO] tweaked toml for git repo https://github.com/dandelion-blanc/practice14_nalgebra written to /workspace/builds/worker-26/source/Cargo.toml [INFO] crate git repo https://github.com/dandelion-blanc/practice14_nalgebra already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded simba v0.2.4 [INFO] [stderr] Downloaded nalgebra v0.22.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ef78607ab7777e68fa0247f593cbb82b51df15dc0cf78fb7d7da3b8e0f513c0f [INFO] running `Command { std: "docker" "start" "-a" "ef78607ab7777e68fa0247f593cbb82b51df15dc0cf78fb7d7da3b8e0f513c0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ef78607ab7777e68fa0247f593cbb82b51df15dc0cf78fb7d7da3b8e0f513c0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef78607ab7777e68fa0247f593cbb82b51df15dc0cf78fb7d7da3b8e0f513c0f", kill_on_drop: false }` [INFO] [stdout] ef78607ab7777e68fa0247f593cbb82b51df15dc0cf78fb7d7da3b8e0f513c0f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9084e5a862f4c8e11a5ecfe58e7161feb03402d1a85ad7860fa6d463698158c4 [INFO] running `Command { std: "docker" "start" "-a" "9084e5a862f4c8e11a5ecfe58e7161feb03402d1a85ad7860fa6d463698158c4", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling proc-macro-hack v0.5.18 [INFO] [stderr] Compiling ppv-lite86 v0.2.9 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling rawpointer v0.2.1 [INFO] [stderr] Compiling matrixmultiply v0.2.3 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling paste-impl v0.1.18 [INFO] [stderr] Compiling generic-array v0.13.2 [INFO] [stderr] Compiling approx v0.3.2 [INFO] [stderr] Compiling num-complex v0.3.1 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling paste v0.1.18 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling simba v0.2.4 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling rand_distr v0.2.2 [INFO] [stderr] Compiling nalgebra v0.22.1 [INFO] [stderr] Compiling practice14_nalgebra v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 25s [INFO] running `Command { std: "docker" "inspect" "9084e5a862f4c8e11a5ecfe58e7161feb03402d1a85ad7860fa6d463698158c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9084e5a862f4c8e11a5ecfe58e7161feb03402d1a85ad7860fa6d463698158c4", kill_on_drop: false }` [INFO] [stdout] 9084e5a862f4c8e11a5ecfe58e7161feb03402d1a85ad7860fa6d463698158c4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 945e36a1f720000f4500a718b860cda41d803c12847802d50cf7e6461d230d3b [INFO] running `Command { std: "docker" "start" "-a" "945e36a1f720000f4500a718b860cda41d803c12847802d50cf7e6461d230d3b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling practice14_nalgebra v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/mirror_mat.rs:18:10 [INFO] [stdout] | [INFO] [stdout] 18 | let (mut left, mut right) = [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] --> examples/mirror_mat.rs:44:10 [INFO] [stdout] | [INFO] [stdout] 44 | let (mut left, mut right) = [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] [stderr] Finished test [unoptimized + debuginfo] target(s) in 8.56s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/practice14_nalgebra-11cff17fc487d7f4) [INFO] running `Command { std: "docker" "inspect" "945e36a1f720000f4500a718b860cda41d803c12847802d50cf7e6461d230d3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "945e36a1f720000f4500a718b860cda41d803c12847802d50cf7e6461d230d3b", kill_on_drop: false }` [INFO] [stdout] 945e36a1f720000f4500a718b860cda41d803c12847802d50cf7e6461d230d3b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e95ad716a72ba97893f17444bb55d3363404213a68a7c0ea106c10d7e837cff9 [INFO] running `Command { std: "docker" "start" "-a" "e95ad716a72ba97893f17444bb55d3363404213a68a7c0ea106c10d7e837cff9", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> examples/mirror_mat.rs:18:10 [INFO] [stderr] | [INFO] [stderr] 18 | let (mut left, mut right) = [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> examples/mirror_mat.rs:44:10 [INFO] [stderr] | [INFO] [stderr] 44 | let (mut left, mut right) = [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: `practice14_nalgebra` (example "mirror_mat") generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/practice14_nalgebra-11cff17fc487d7f4) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e95ad716a72ba97893f17444bb55d3363404213a68a7c0ea106c10d7e837cff9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e95ad716a72ba97893f17444bb55d3363404213a68a7c0ea106c10d7e837cff9", kill_on_drop: false }` [INFO] [stdout] e95ad716a72ba97893f17444bb55d3363404213a68a7c0ea106c10d7e837cff9