[INFO] cloning repository https://github.com/dihedral-codes/rust-rref-binary
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dihedral-codes/rust-rref-binary" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdihedral-codes%2Frust-rref-binary", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdihedral-codes%2Frust-rref-binary'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5ca8a0906ecbacb3a6c8abec67f627658912f67
[INFO] testing dihedral-codes/rust-rref-binary against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdihedral-codes%2Frust-rref-binary" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dihedral-codes/rust-rref-binary on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dihedral-codes/rust-rref-binary
[INFO] finished tweaking git repo https://github.com/dihedral-codes/rust-rref-binary
[INFO] tweaked toml for git repo https://github.com/dihedral-codes/rust-rref-binary written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/dihedral-codes/rust-rref-binary already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ced677165162a77ff5c13bea9f49bbe1f63724fd2914630d8e327700116ec14
[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" "4ced677165162a77ff5c13bea9f49bbe1f63724fd2914630d8e327700116ec14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ced677165162a77ff5c13bea9f49bbe1f63724fd2914630d8e327700116ec14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ced677165162a77ff5c13bea9f49bbe1f63724fd2914630d8e327700116ec14", kill_on_drop: false }`
[INFO] [stdout] 4ced677165162a77ff5c13bea9f49bbe1f63724fd2914630d8e327700116ec14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 847a7436bb34e44ab418794cce74d9cc8f46bc5a4afb753378b78c2c3a1cb742
[INFO] running `Command { std: "docker" "start" "-a" "847a7436bb34e44ab418794cce74d9cc8f46bc5a4afb753378b78c2c3a1cb742", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-rref-binary v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `printmat`
[INFO] [stdout]   --> src/main.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn printmat(matrix:[u64; N]) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 0.60s
[INFO] running `Command { std: "docker" "inspect" "847a7436bb34e44ab418794cce74d9cc8f46bc5a4afb753378b78c2c3a1cb742", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "847a7436bb34e44ab418794cce74d9cc8f46bc5a4afb753378b78c2c3a1cb742", kill_on_drop: false }`
[INFO] [stdout] 847a7436bb34e44ab418794cce74d9cc8f46bc5a4afb753378b78c2c3a1cb742
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e363b5148c1ef89443db14fa86bc180a41c87ffbd827f7de9c32fffc42fb7b57
[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" "e363b5148c1ef89443db14fa86bc180a41c87ffbd827f7de9c32fffc42fb7b57", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-rref-binary v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `printmat`
[INFO] [stdout]   --> src/main.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn printmat(matrix:[u64; N]) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 0.58s
[INFO] running `Command { std: "docker" "inspect" "e363b5148c1ef89443db14fa86bc180a41c87ffbd827f7de9c32fffc42fb7b57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e363b5148c1ef89443db14fa86bc180a41c87ffbd827f7de9c32fffc42fb7b57", kill_on_drop: false }`
[INFO] [stdout] e363b5148c1ef89443db14fa86bc180a41c87ffbd827f7de9c32fffc42fb7b57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c1031d596aef5905593eb00875d13bcb4d7642322a11eb9f76400e0541b16d4c
[INFO] running `Command { std: "docker" "start" "-a" "c1031d596aef5905593eb00875d13bcb4d7642322a11eb9f76400e0541b16d4c", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: function is never used: `printmat`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:64:4
[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] 64 | fn printmat(matrix:[u64; N]) {
[INFO] [stdout] 
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-rref-binary` (bin "rust-rref-binary" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_rref_binary-d1b27d8ae64794a7)
[INFO] running `Command { std: "docker" "inspect" "c1031d596aef5905593eb00875d13bcb4d7642322a11eb9f76400e0541b16d4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1031d596aef5905593eb00875d13bcb4d7642322a11eb9f76400e0541b16d4c", kill_on_drop: false }`
[INFO] [stdout] c1031d596aef5905593eb00875d13bcb4d7642322a11eb9f76400e0541b16d4c