[INFO] fetching crate crcp 0.3.1...
[INFO] checking crcp-0.3.1 against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] extracting crate crcp 0.3.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate crcp 0.3.1 on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crcp 0.3.1
[INFO] finished tweaking crates.io crate crcp 0.3.1
[INFO] tweaked toml for crates.io crate crcp 0.3.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate crcp 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08246d79fd1e1fb02d51dc6985f49e0af2775fd1679b2a169eaa236d6dc76af3
[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" "08246d79fd1e1fb02d51dc6985f49e0af2775fd1679b2a169eaa236d6dc76af3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08246d79fd1e1fb02d51dc6985f49e0af2775fd1679b2a169eaa236d6dc76af3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08246d79fd1e1fb02d51dc6985f49e0af2775fd1679b2a169eaa236d6dc76af3", kill_on_drop: false }`
[INFO] [stdout] 08246d79fd1e1fb02d51dc6985f49e0af2775fd1679b2a169eaa236d6dc76af3
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a0e56e2696968210a5299896d8b6bd5e56de5afaa96bba601c363f6167c650e
[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" "4a0e56e2696968210a5299896d8b6bd5e56de5afaa96bba601c363f6167c650e", kill_on_drop: false }`
[INFO] [stderr]     Checking crcp v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `d2k`
[INFO] [stdout]    --> src/main.rs:182:17
[INFO] [stdout]     |
[INFO] [stdout] 182 |             let d2k = numcodel;
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_d2k`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d2k`
[INFO] [stdout]    --> src/main.rs:182:17
[INFO] [stdout]     |
[INFO] [stdout] 182 |             let d2k = numcodel;
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_d2k`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `dualdistance_distribution_calculated` is never read
[INFO] [stdout]    --> src/main.rs:272:17
[INFO] [stdout]     |
[INFO] [stdout] 272 |                 dualdistance_distribution_calculated = true;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `dualdistance_distribution_calculated` is never read
[INFO] [stdout]    --> src/main.rs:272:17
[INFO] [stdout]     |
[INFO] [stdout] 272 |                 dualdistance_distribution_calculated = true;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:173:13
[INFO] [stdout]     |
[INFO] [stdout] 173 |         let mut res = 0u8;
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:173:13
[INFO] [stdout]     |
[INFO] [stdout] 173 |         let mut res = 0u8;
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `START_POL`
[INFO] [stdout]   --> src/main.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | const START_POL: u64 = 0x200001;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `END_POL`
[INFO] [stdout]   --> src/main.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | const END_POL: u64 = 0x3fffff;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MIN_CODE_LENGTH`
[INFO] [stdout]   --> src/main.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | const MIN_CODE_LENGTH: i32 = 21; // equals to k+1 -- to do make it automatic
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `START_POL`
[INFO] [stdout]   --> src/main.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | const START_POL: u64 = 0x200001;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `END_POL`
[INFO] [stdout]   --> src/main.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | const END_POL: u64 = 0x3fffff;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MIN_CODE_LENGTH`
[INFO] [stdout]   --> src/main.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | const MIN_CODE_LENGTH: i32 = 21; // equals to k+1 -- to do make it automatic
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N_16` should have a snake case name
[INFO] [stdout]    --> src/main.rs:190:21
[INFO] [stdout]     |
[INFO] [stdout] 190 |             let mut N_16 = (position / 32) as u32;
[INFO] [stdout]     |                     ^^^^ help: convert the identifier to snake case: `n_16`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `G` should have a snake case name
[INFO] [stdout]    --> src/main.rs:213:21
[INFO] [stdout]     |
[INFO] [stdout] 213 |                 let G = grid_base.as_mut_slice();
[INFO] [stdout]     |                     ^ help: convert the identifier to snake case: `g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N_16` should have a snake case name
[INFO] [stdout]    --> src/main.rs:190:21
[INFO] [stdout]     |
[INFO] [stdout] 190 |             let mut N_16 = (position / 32) as u32;
[INFO] [stdout]     |                     ^^^^ help: convert the identifier to snake case: `n_16`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `G` should have a snake case name
[INFO] [stdout]    --> src/main.rs:213:21
[INFO] [stdout]     |
[INFO] [stdout] 213 |                 let G = grid_base.as_mut_slice();
[INFO] [stdout]     |                     ^ help: convert the identifier to snake case: `g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "4a0e56e2696968210a5299896d8b6bd5e56de5afaa96bba601c363f6167c650e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a0e56e2696968210a5299896d8b6bd5e56de5afaa96bba601c363f6167c650e", kill_on_drop: false }`
[INFO] [stdout] 4a0e56e2696968210a5299896d8b6bd5e56de5afaa96bba601c363f6167c650e