[INFO] cloning repository https://github.com/ToruNiina/rust-ising
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ToruNiina/rust-ising" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FToruNiina%2Frust-ising", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FToruNiina%2Frust-ising'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 020ead5384428acb2fd45a2bc0fea7ec6baa59f8
[INFO] testing ToruNiina/rust-ising 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%2FToruNiina%2Frust-ising" "/workspace/builds/worker-88/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-88/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ToruNiina/rust-ising 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/ToruNiina/rust-ising
[INFO] finished tweaking git repo https://github.com/ToruNiina/rust-ising
[INFO] tweaked toml for git repo https://github.com/ToruNiina/rust-ising written to /workspace/builds/worker-88/source/Cargo.toml
[INFO] crate git repo https://github.com/ToruNiina/rust-ising 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand v0.3.16
[INFO] [stderr]   Downloaded magenta v0.1.1
[INFO] [stderr]   Downloaded magenta-sys v0.1.1
[INFO] [stderr]   Downloaded libc v0.2.30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 600f558d04c38bc6053c905d37876dda8a84b79019ceec8b8abc3b4c7d4ab7a5
[INFO] running `Command { std: "docker" "start" "-a" "600f558d04c38bc6053c905d37876dda8a84b79019ceec8b8abc3b4c7d4ab7a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "600f558d04c38bc6053c905d37876dda8a84b79019ceec8b8abc3b4c7d4ab7a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "600f558d04c38bc6053c905d37876dda8a84b79019ceec8b8abc3b4c7d4ab7a5", kill_on_drop: false }`
[INFO] [stdout] 600f558d04c38bc6053c905d37876dda8a84b79019ceec8b8abc3b4c7d4ab7a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 99c60466258dfdaa4ec0353602c4a63bbdd69783af12dbb27f74ec9179a02174
[INFO] running `Command { std: "docker" "start" "-a" "99c60466258dfdaa4ec0353602c4a63bbdd69783af12dbb27f74ec9179a02174", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.30
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling ising v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/main.rs:147:63
[INFO] [stdout]     |
[INFO] [stdout] 147 | fn step<R: Rng>(field: &mut Field, hamiltonian: &Hamiltonian, rng: &mut R) {
[INFO] [stdout]     |                                                               ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` 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 6.40s
[INFO] running `Command { std: "docker" "inspect" "99c60466258dfdaa4ec0353602c4a63bbdd69783af12dbb27f74ec9179a02174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99c60466258dfdaa4ec0353602c4a63bbdd69783af12dbb27f74ec9179a02174", kill_on_drop: false }`
[INFO] [stdout] 99c60466258dfdaa4ec0353602c4a63bbdd69783af12dbb27f74ec9179a02174
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 8147fd197f935ae6c34de06b95b455714ed22e8ebe491c24bbac142f707746da
[INFO] running `Command { std: "docker" "start" "-a" "8147fd197f935ae6c34de06b95b455714ed22e8ebe491c24bbac142f707746da", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ising v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/main.rs:147:63
[INFO] [stdout]     |
[INFO] [stdout] 147 | fn step<R: Rng>(field: &mut Field, hamiltonian: &Hamiltonian, rng: &mut R) {
[INFO] [stdout]     |                                                               ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` 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 0.64s
[INFO] running `Command { std: "docker" "inspect" "8147fd197f935ae6c34de06b95b455714ed22e8ebe491c24bbac142f707746da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8147fd197f935ae6c34de06b95b455714ed22e8ebe491c24bbac142f707746da", kill_on_drop: false }`
[INFO] [stdout] 8147fd197f935ae6c34de06b95b455714ed22e8ebe491c24bbac142f707746da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 96899bf30816fae8eacf12b39d872f09a58ddd86726eade4c0044a3bf79128e2
[INFO] running `Command { std: "docker" "start" "-a" "96899bf30816fae8eacf12b39d872f09a58ddd86726eade4c0044a3bf79128e2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/main.rs:147:63
[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] 147 | fn step<R: Rng>(field: &mut Field, hamiltonian: &Hamiltonian, rng: &mut R) {
[INFO] [stdout] 
[INFO] [stderr]     |                                                               ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ising` (bin "ising" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.43s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ising-2f3cf42c1c9fa275)
[INFO] running `Command { std: "docker" "inspect" "96899bf30816fae8eacf12b39d872f09a58ddd86726eade4c0044a3bf79128e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96899bf30816fae8eacf12b39d872f09a58ddd86726eade4c0044a3bf79128e2", kill_on_drop: false }`
[INFO] [stdout] 96899bf30816fae8eacf12b39d872f09a58ddd86726eade4c0044a3bf79128e2