[INFO] cloning repository https://github.com/OfficialURL/matrixmultiply-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/OfficialURL/matrixmultiply-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOfficialURL%2Fmatrixmultiply-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOfficialURL%2Fmatrixmultiply-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7659a8385e6b91e3af6e4ee1030352235d9757b
[INFO] testing OfficialURL/matrixmultiply-test against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOfficialURL%2Fmatrixmultiply-test" "/workspace/builds/worker-91/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-91/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/OfficialURL/matrixmultiply-test on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/OfficialURL/matrixmultiply-test
[INFO] finished tweaking git repo https://github.com/OfficialURL/matrixmultiply-test
[INFO] tweaked toml for git repo https://github.com/OfficialURL/matrixmultiply-test written to /workspace/builds/worker-91/source/Cargo.toml
[INFO] crate git repo https://github.com/OfficialURL/matrixmultiply-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2abe8e513c087f811f811e6eb5f6c5419431ad202901243572ed878bc9dd886f
[INFO] running `Command { std: "docker" "start" "-a" "2abe8e513c087f811f811e6eb5f6c5419431ad202901243572ed878bc9dd886f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2abe8e513c087f811f811e6eb5f6c5419431ad202901243572ed878bc9dd886f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2abe8e513c087f811f811e6eb5f6c5419431ad202901243572ed878bc9dd886f", kill_on_drop: false }`
[INFO] [stdout] 2abe8e513c087f811f811e6eb5f6c5419431ad202901243572ed878bc9dd886f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3f7890a114dbccdf458bf9e8231a8ce5e700d4429e42a5f4c00ea766b05c538
[INFO] running `Command { std: "docker" "start" "-a" "d3f7890a114dbccdf458bf9e8231a8ce5e700d4429e42a5f4c00ea766b05c538", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling matrixmultiply v0.3.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling simba v0.4.0
[INFO] [stderr]    Compiling nalgebra v0.25.4
[INFO] [stderr]    Compiling matrixmultiply-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     use rand::Rng;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Matrix6x6`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     type Matrix6x6 = nalgebra::MatrixMN<f64, U6, U6>;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.21s
[INFO] running `Command { std: "docker" "inspect" "d3f7890a114dbccdf458bf9e8231a8ce5e700d4429e42a5f4c00ea766b05c538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3f7890a114dbccdf458bf9e8231a8ce5e700d4429e42a5f4c00ea766b05c538", kill_on_drop: false }`
[INFO] [stdout] d3f7890a114dbccdf458bf9e8231a8ce5e700d4429e42a5f4c00ea766b05c538
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90e8ffab687ffff9f61d85d42ef87da62057d33881e89c52c61ae544112a88c7
[INFO] running `Command { std: "docker" "start" "-a" "90e8ffab687ffff9f61d85d42ef87da62057d33881e89c52c61ae544112a88c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrixmultiply-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "90e8ffab687ffff9f61d85d42ef87da62057d33881e89c52c61ae544112a88c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90e8ffab687ffff9f61d85d42ef87da62057d33881e89c52c61ae544112a88c7", kill_on_drop: false }`
[INFO] [stdout] 90e8ffab687ffff9f61d85d42ef87da62057d33881e89c52c61ae544112a88c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7c365fe4f044f059a64356f45f65ff52078f5a02e3e6966ac25beb0d45316016
[INFO] running `Command { std: "docker" "start" "-a" "7c365fe4f044f059a64356f45f65ff52078f5a02e3e6966ac25beb0d45316016", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/matrixmultiply_test-218ab5781f402694)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::e6 ... ok
[INFO] [stdout] test tests::e6_3 ... ok
[INFO] [stdout] test tests::e6_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 44.79s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7c365fe4f044f059a64356f45f65ff52078f5a02e3e6966ac25beb0d45316016", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c365fe4f044f059a64356f45f65ff52078f5a02e3e6966ac25beb0d45316016", kill_on_drop: false }`
[INFO] [stdout] 7c365fe4f044f059a64356f45f65ff52078f5a02e3e6966ac25beb0d45316016