[INFO] cloning repository https://github.com/kopytlyanka/engine-math
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kopytlyanka/engine-math" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkopytlyanka%2Fengine-math", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkopytlyanka%2Fengine-math'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0eae2c0a48db37413e6107304b183eb8481b409e
[INFO] checking kopytlyanka/engine-math against try#7df376b035b3d12ff0386ad8b45b76dbe020257b for pr-142712
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkopytlyanka%2Fengine-math" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kopytlyanka/engine-math
[INFO] finished tweaking git repo https://github.com/kopytlyanka/engine-math
[INFO] tweaked toml for git repo https://github.com/kopytlyanka/engine-math written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kopytlyanka/engine-math on toolchain 7df376b035b3d12ff0386ad8b45b76dbe020257b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kopytlyanka/engine-math already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking kopytlyanka/engine-math against try#7df376b035b3d12ff0386ad8b45b76dbe020257b for pr-142712
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkopytlyanka%2Fengine-math" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kopytlyanka/engine-math
[INFO] finished tweaking git repo https://github.com/kopytlyanka/engine-math
[INFO] tweaked toml for git repo https://github.com/kopytlyanka/engine-math written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kopytlyanka/engine-math on toolchain 7df376b035b3d12ff0386ad8b45b76dbe020257b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kopytlyanka/engine-math already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fae4bf3faaaafa759fbfdae644da3a5f0ec52896f293374876cec6d67ef98ccc
[INFO] running `Command { std: "docker" "start" "-a" "fae4bf3faaaafa759fbfdae644da3a5f0ec52896f293374876cec6d67ef98ccc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fae4bf3faaaafa759fbfdae644da3a5f0ec52896f293374876cec6d67ef98ccc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fae4bf3faaaafa759fbfdae644da3a5f0ec52896f293374876cec6d67ef98ccc", kill_on_drop: false }`
[INFO] [stdout] fae4bf3faaaafa759fbfdae644da3a5f0ec52896f293374876cec6d67ef98ccc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 274c09473d3cef86760735a10d9bfb67c5efdfcf6cb60df086925c9696292fb1
[INFO] running `Command { std: "docker" "start" "-a" "274c09473d3cef86760735a10d9bfb67c5efdfcf6cb60df086925c9696292fb1", kill_on_drop: false }`
[INFO] [stderr]     Checking engine-math v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of a double negation
[INFO] [stdout]    --> src/matrices/mat2.rs:409:20
[INFO] [stdout]     |
[INFO] [stdout] 409 |         assert_eq!(--mat, mat);
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the prefix `--` could be misinterpreted as a decrement operator which exists in other languages
[INFO] [stdout]     = note: use `-= 1` if you meant to decrement the value
[INFO] [stdout]     = note: `#[warn(double_negations)]` on by default
[INFO] [stdout] help: add parentheses for clarity
[INFO] [stdout]     |
[INFO] [stdout] 409 |         assert_eq!(-(-mat), mat);
[INFO] [stdout]     |                     +    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of a double negation
[INFO] [stdout]    --> src/matrices/mat3.rs:478:20
[INFO] [stdout]     |
[INFO] [stdout] 478 |         assert_eq!(--mat, mat);
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the prefix `--` could be misinterpreted as a decrement operator which exists in other languages
[INFO] [stdout]     = note: use `-= 1` if you meant to decrement the value
[INFO] [stdout] help: add parentheses for clarity
[INFO] [stdout]     |
[INFO] [stdout] 478 |         assert_eq!(-(-mat), mat);
[INFO] [stdout]     |                     +    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of a double negation
[INFO] [stdout]    --> src/matrices/mat4.rs:774:20
[INFO] [stdout]     |
[INFO] [stdout] 774 |         assert_eq!(--mat, mat);
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the prefix `--` could be misinterpreted as a decrement operator which exists in other languages
[INFO] [stdout]     = note: use `-= 1` if you meant to decrement the value
[INFO] [stdout] help: add parentheses for clarity
[INFO] [stdout]     |
[INFO] [stdout] 774 |         assert_eq!(-(-mat), mat);
[INFO] [stdout]     |                     +    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of a double negation
[INFO] [stdout]    --> src/vectors/vec2.rs:350:20
[INFO] [stdout]     |
[INFO] [stdout] 350 |         assert_eq!(--vec, vec);
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the prefix `--` could be misinterpreted as a decrement operator which exists in other languages
[INFO] [stdout]     = note: use `-= 1` if you meant to decrement the value
[INFO] [stdout] help: add parentheses for clarity
[INFO] [stdout]     |
[INFO] [stdout] 350 |         assert_eq!(-(-vec), vec);
[INFO] [stdout]     |                     +    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of a double negation
[INFO] [stdout]    --> src/vectors/vec3.rs:414:20
[INFO] [stdout]     |
[INFO] [stdout] 414 |         assert_eq!(--vec, vec);
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the prefix `--` could be misinterpreted as a decrement operator which exists in other languages
[INFO] [stdout]     = note: use `-= 1` if you meant to decrement the value
[INFO] [stdout] help: add parentheses for clarity
[INFO] [stdout]     |
[INFO] [stdout] 414 |         assert_eq!(-(-vec), vec);
[INFO] [stdout]     |                     +    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of a double negation
[INFO] [stdout]    --> src/vectors/vec4.rs:374:20
[INFO] [stdout]     |
[INFO] [stdout] 374 |         assert_eq!(--vec, vec);
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the prefix `--` could be misinterpreted as a decrement operator which exists in other languages
[INFO] [stdout]     = note: use `-= 1` if you meant to decrement the value
[INFO] [stdout] help: add parentheses for clarity
[INFO] [stdout]     |
[INFO] [stdout] 374 |         assert_eq!(-(-vec), vec);
[INFO] [stdout]     |                     +    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "274c09473d3cef86760735a10d9bfb67c5efdfcf6cb60df086925c9696292fb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "274c09473d3cef86760735a10d9bfb67c5efdfcf6cb60df086925c9696292fb1", kill_on_drop: false }`
[INFO] [stdout] 274c09473d3cef86760735a10d9bfb67c5efdfcf6cb60df086925c9696292fb1