[INFO] cloning repository https://github.com/cassaundra/gridloc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cassaundra/gridloc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcassaundra%2Fgridloc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcassaundra%2Fgridloc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d4f58ff300fbc37b2e4423dc8670bb574605ed0d
[INFO] checking cassaundra/gridloc against master#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcassaundra%2Fgridloc" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cassaundra/gridloc on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cassaundra/gridloc
[INFO] finished tweaking git repo https://github.com/cassaundra/gridloc
[INFO] tweaked toml for git repo https://github.com/cassaundra/gridloc written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/cassaundra/gridloc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c244f4b123b9de2f711e9abc5156c4e878e4a5238525a752eeedf3967f6b719e
[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" "c244f4b123b9de2f711e9abc5156c4e878e4a5238525a752eeedf3967f6b719e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c244f4b123b9de2f711e9abc5156c4e878e4a5238525a752eeedf3967f6b719e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c244f4b123b9de2f711e9abc5156c4e878e4a5238525a752eeedf3967f6b719e", kill_on_drop: false }`
[INFO] [stdout] c244f4b123b9de2f711e9abc5156c4e878e4a5238525a752eeedf3967f6b719e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82de2c55d4f9ed69bfeb2f79b93ae1394e5930c631f4073dc55289d0ace4e50d
[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" "82de2c55d4f9ed69bfeb2f79b93ae1394e5930c631f4073dc55289d0ace4e50d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking getrandom v0.2.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.2
[INFO] [stderr]     Checking gridloc-lib v0.1.0 (/opt/rustwide/workdir/gridloc-lib)
[INFO] [stdout] warning: constant is never used: `CHUNK_SIZE`
[INFO] [stdout]   --> gridloc-lib/src/program/grid.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | const CHUNK_SIZE: usize = CHUNK_LENGTH * CHUNK_LENGTH;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rng`
[INFO] [stdout]   --> gridloc-lib/src/program/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     rng: Rng,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CHUNK_SIZE`
[INFO] [stdout]   --> gridloc-lib/src/program/grid.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | const CHUNK_SIZE: usize = CHUNK_LENGTH * CHUNK_LENGTH;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rng`
[INFO] [stdout]   --> gridloc-lib/src/program/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     rng: Rng,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking gridloc-cli v0.1.0 (/opt/rustwide/workdir/gridloc-cli)
[INFO] [stdout] warning: unused variable: `options`
[INFO] [stdout]   --> gridloc-cli/src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let options = Options::from_args();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `options`
[INFO] [stdout]   --> gridloc-cli/src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let options = Options::from_args();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> gridloc-cli/src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     interpreter.run();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> gridloc-cli/src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     interpreter.run();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.65s
[INFO] running `Command { std: "docker" "inspect" "82de2c55d4f9ed69bfeb2f79b93ae1394e5930c631f4073dc55289d0ace4e50d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82de2c55d4f9ed69bfeb2f79b93ae1394e5930c631f4073dc55289d0ace4e50d", kill_on_drop: false }`
[INFO] [stdout] 82de2c55d4f9ed69bfeb2f79b93ae1394e5930c631f4073dc55289d0ace4e50d