[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#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcassaundra%2Fgridloc" "/workspace/builds/worker-38/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-38/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cassaundra/gridloc on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-38/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70d759ff739c333e91b4f4444fcacb272ff072ce48004f49e19ee21a7eab7178
[INFO] running `Command { std: "docker" "start" "-a" "70d759ff739c333e91b4f4444fcacb272ff072ce48004f49e19ee21a7eab7178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70d759ff739c333e91b4f4444fcacb272ff072ce48004f49e19ee21a7eab7178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70d759ff739c333e91b4f4444fcacb272ff072ce48004f49e19ee21a7eab7178", kill_on_drop: false }`
[INFO] [stdout] 70d759ff739c333e91b4f4444fcacb272ff072ce48004f49e19ee21a7eab7178
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49e64c6ad24a1dd6def46b013947da20d548f6822a3d95fa953ef4aa3cd6b3e4
[INFO] running `Command { std: "docker" "start" "-a" "49e64c6ad24a1dd6def46b013947da20d548f6822a3d95fa953ef4aa3cd6b3e4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num-complex v0.3.1
[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: the feature `or_patterns` has been stable since 1.53.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> gridloc-lib/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(or_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 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: the feature `or_patterns` has been stable since 1.53.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> gridloc-lib/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(or_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 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: field is never read: `delay`
[INFO] [stdout]   --> gridloc-cli/src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     delay: Option<f64>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `visual`
[INFO] [stdout]   --> gridloc-cli/src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     visual: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file`
[INFO] [stdout]   --> gridloc-cli/src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     file: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[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: field is never read: `delay`
[INFO] [stdout]   --> gridloc-cli/src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     delay: Option<f64>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `visual`
[INFO] [stdout]   --> gridloc-cli/src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     visual: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file`
[INFO] [stdout]   --> gridloc-cli/src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     file: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[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: 5 warnings emitted
[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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 24s
[INFO] running `Command { std: "docker" "inspect" "49e64c6ad24a1dd6def46b013947da20d548f6822a3d95fa953ef4aa3cd6b3e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49e64c6ad24a1dd6def46b013947da20d548f6822a3d95fa953ef4aa3cd6b3e4", kill_on_drop: false }`
[INFO] [stdout] 49e64c6ad24a1dd6def46b013947da20d548f6822a3d95fa953ef4aa3cd6b3e4