[INFO] cloning repository https://github.com/kygkygkyg/matrix_utils
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kygkygkyg/matrix_utils" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkygkygkyg%2Fmatrix_utils", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkygkygkyg%2Fmatrix_utils'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f1c51ed9a14ea9c396c00e9e91957a8a09e96d2
[INFO] testing kygkygkyg/matrix_utils against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkygkygkyg%2Fmatrix_utils" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kygkygkyg/matrix_utils on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kygkygkyg/matrix_utils
[INFO] finished tweaking git repo https://github.com/kygkygkyg/matrix_utils
[INFO] tweaked toml for git repo https://github.com/kygkygkyg/matrix_utils written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/kygkygkyg/matrix_utils already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc6af50585edb560760e0911d7552779eb4967e47a2caf26ec2e812c448fc328
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cc6af50585edb560760e0911d7552779eb4967e47a2caf26ec2e812c448fc328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc6af50585edb560760e0911d7552779eb4967e47a2caf26ec2e812c448fc328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc6af50585edb560760e0911d7552779eb4967e47a2caf26ec2e812c448fc328", kill_on_drop: false }`
[INFO] [stdout] cc6af50585edb560760e0911d7552779eb4967e47a2caf26ec2e812c448fc328
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b1bc302b02b2a9a1a040b7cc4ae740453b4cacdb20aa37add8f3983fa8d934d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0b1bc302b02b2a9a1a040b7cc4ae740453b4cacdb20aa37add8f3983fa8d934d", kill_on_drop: false }`
[INFO] [stderr]    Compiling mat_utils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::utils::mymath`
[INFO] [stdout]  --> src/utils/matrix.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::utils::mymath;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 1.51s
[INFO] running `Command { std: "docker" "inspect" "0b1bc302b02b2a9a1a040b7cc4ae740453b4cacdb20aa37add8f3983fa8d934d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b1bc302b02b2a9a1a040b7cc4ae740453b4cacdb20aa37add8f3983fa8d934d", kill_on_drop: false }`
[INFO] [stdout] 0b1bc302b02b2a9a1a040b7cc4ae740453b4cacdb20aa37add8f3983fa8d934d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0cb7086372fdea3f7fa09774b2a1fbc8b55bd461c6c066fb0564f8f08036aa3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d0cb7086372fdea3f7fa09774b2a1fbc8b55bd461c6c066fb0564f8f08036aa3", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `crate::utils::mymath`
[INFO] [stdout]  --> src/utils/matrix.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::utils::mymath;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mat_utils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::mymath`
[INFO] [stdout]  --> src/utils/matrix.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::utils::mymath;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "d0cb7086372fdea3f7fa09774b2a1fbc8b55bd461c6c066fb0564f8f08036aa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0cb7086372fdea3f7fa09774b2a1fbc8b55bd461c6c066fb0564f8f08036aa3", kill_on_drop: false }`
[INFO] [stdout] d0cb7086372fdea3f7fa09774b2a1fbc8b55bd461c6c066fb0564f8f08036aa3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 94f73522884949bc7a4ad311fdf1e78a9ef2b11bf74fcb9713e8a66a9e4c89db
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "94f73522884949bc7a4ad311fdf1e78a9ef2b11bf74fcb9713e8a66a9e4c89db", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `crate::utils::mymath`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/utils/matrix.rs:1:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 1 | use crate::utils::mymath;
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mat_utils` (lib) generated 1 warning
[INFO] [stderr] warning: `mat_utils` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mat_utils-4a42ac0929ad6580)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/main-598d1381ef95d21b)
[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] [stderr]    Doc-tests mat_utils
[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" "94f73522884949bc7a4ad311fdf1e78a9ef2b11bf74fcb9713e8a66a9e4c89db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94f73522884949bc7a4ad311fdf1e78a9ef2b11bf74fcb9713e8a66a9e4c89db", kill_on_drop: false }`
[INFO] [stdout] 94f73522884949bc7a4ad311fdf1e78a9ef2b11bf74fcb9713e8a66a9e4c89db