[INFO] cloning repository https://github.com/azerowall/graphs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/azerowall/graphs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazerowall%2Fgraphs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazerowall%2Fgraphs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b13d519e2559f0f389db5e171fc16190087e940c
[INFO] testing azerowall/graphs against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazerowall%2Fgraphs" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/azerowall/graphs on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/azerowall/graphs
[INFO] finished tweaking git repo https://github.com/azerowall/graphs
[INFO] tweaked toml for git repo https://github.com/azerowall/graphs written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/azerowall/graphs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35e538430ee00405bcb52514336df756252c72ab52aa92af99ccb09aad68e651
[INFO] running `Command { std: "docker" "start" "-a" "35e538430ee00405bcb52514336df756252c72ab52aa92af99ccb09aad68e651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35e538430ee00405bcb52514336df756252c72ab52aa92af99ccb09aad68e651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35e538430ee00405bcb52514336df756252c72ab52aa92af99ccb09aad68e651", kill_on_drop: false }`
[INFO] [stdout] 35e538430ee00405bcb52514336df756252c72ab52aa92af99ccb09aad68e651
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d07b45bfcc588f2d39ce7d9df478e874774fdf2cb8d4e410a01240c7bf8425f2
[INFO] running `Command { std: "docker" "start" "-a" "d07b45bfcc588f2d39ce7d9df478e874774fdf2cb8d4e410a01240c7bf8425f2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling graphs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `MaybeUninit`
[INFO] [stdout]  --> src/matrix.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::mem::{MaybeUninit};
[INFO] [stdout]   |                ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_vec`
[INFO] [stdout]   --> src/matrix.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn from_vec(vec: Vec<T>, n_rows: usize, n_cols: usize) -> Self {
[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 2.24s
[INFO] running `Command { std: "docker" "inspect" "d07b45bfcc588f2d39ce7d9df478e874774fdf2cb8d4e410a01240c7bf8425f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d07b45bfcc588f2d39ce7d9df478e874774fdf2cb8d4e410a01240c7bf8425f2", kill_on_drop: false }`
[INFO] [stdout] d07b45bfcc588f2d39ce7d9df478e874774fdf2cb8d4e410a01240c7bf8425f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5255e0c5bdb3d751851dd127e891e4b71cfc401a9889a883a52c9a7d3794db79
[INFO] running `Command { std: "docker" "start" "-a" "5255e0c5bdb3d751851dd127e891e4b71cfc401a9889a883a52c9a7d3794db79", kill_on_drop: false }`
[INFO] [stderr]    Compiling graphs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `MaybeUninit`
[INFO] [stdout]  --> src/matrix.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::mem::{MaybeUninit};
[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 9.08s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/graphs-5bbbed31e68c02be)
[INFO] running `Command { std: "docker" "inspect" "5255e0c5bdb3d751851dd127e891e4b71cfc401a9889a883a52c9a7d3794db79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5255e0c5bdb3d751851dd127e891e4b71cfc401a9889a883a52c9a7d3794db79", kill_on_drop: false }`
[INFO] [stdout] 5255e0c5bdb3d751851dd127e891e4b71cfc401a9889a883a52c9a7d3794db79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4be51f00b884cfad3bb26f1506ea1ef2a49f951afc9ddb7a5b511f0fd1d8df70
[INFO] running `Command { std: "docker" "start" "-a" "4be51f00b884cfad3bb26f1506ea1ef2a49f951afc9ddb7a5b511f0fd1d8df70", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `MaybeUninit`
[INFO] [stderr]  --> src/matrix.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::mem::{MaybeUninit};
[INFO] [stderr]   |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] running 3 tests
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] test matrix::tests::test_mul_identity_1 ... ok
[INFO] [stderr] 
[INFO] [stdout] test matrix::tests::test_mul_identity_2 ... ok
[INFO] [stderr] warning: `graphs` (bin "graphs" test) generated 1 warning
[INFO] [stdout] test matrix::tests::test_mul_same ... ok
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.51s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/graphs-5bbbed31e68c02be)
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4be51f00b884cfad3bb26f1506ea1ef2a49f951afc9ddb7a5b511f0fd1d8df70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4be51f00b884cfad3bb26f1506ea1ef2a49f951afc9ddb7a5b511f0fd1d8df70", kill_on_drop: false }`
[INFO] [stdout] 4be51f00b884cfad3bb26f1506ea1ef2a49f951afc9ddb7a5b511f0fd1d8df70