[INFO] cloning repository https://github.com/ernsttm/mapping
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ernsttm/mapping" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fernsttm%2Fmapping", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fernsttm%2Fmapping'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fffe80200cc357b8d54303910248423cca45cedb
[INFO] checking ernsttm/mapping against master#568f6a8641e391ffcdcdb03e79d0901731d8d399 for pr-117164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fernsttm%2Fmapping" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ernsttm/mapping on toolchain 568f6a8641e391ffcdcdb03e79d0901731d8d399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+568f6a8641e391ffcdcdb03e79d0901731d8d399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ernsttm/mapping
[INFO] finished tweaking git repo https://github.com/ernsttm/mapping
[INFO] tweaked toml for git repo https://github.com/ernsttm/mapping written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ernsttm/mapping 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" "+568f6a8641e391ffcdcdb03e79d0901731d8d399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+568f6a8641e391ffcdcdb03e79d0901731d8d399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af132e071b828665529a5e3d58b13479167b4b9a3cc3af479fe52ef03dba3f14
[INFO] running `Command { std: "docker" "start" "-a" "af132e071b828665529a5e3d58b13479167b4b9a3cc3af479fe52ef03dba3f14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af132e071b828665529a5e3d58b13479167b4b9a3cc3af479fe52ef03dba3f14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af132e071b828665529a5e3d58b13479167b4b9a3cc3af479fe52ef03dba3f14", kill_on_drop: false }`
[INFO] [stdout] af132e071b828665529a5e3d58b13479167b4b9a3cc3af479fe52ef03dba3f14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+568f6a8641e391ffcdcdb03e79d0901731d8d399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 559eb8e5c6cdc36da4cc5a4c73e6114ec4ac0f391d841536a5fa3a4cbec3740a
[INFO] running `Command { std: "docker" "start" "-a" "559eb8e5c6cdc36da4cc5a4c73e6114ec4ac0f391d841536a5fa3a4cbec3740a", kill_on_drop: false }`
[INFO] [stderr]     Checking mapping v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/laydown_walker.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |             None => (node_timings.push(self.gate_delay(root))),
[INFO] [stdout]    |                     ^                                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 36 -             None => (node_timings.push(self.gate_delay(root))),
[INFO] [stdout] 36 +             None => node_timings.push(self.gate_delay(root)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/laydown_walker.rs:50:25
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 None => (child_timings.push(cell.delay_a)),
[INFO] [stdout]    |                         ^                                ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 50 -                 None => (child_timings.push(cell.delay_a)),
[INFO] [stdout] 50 +                 None => child_timings.push(cell.delay_a),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/laydown_walker.rs:62:25
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 None => (child_timings.push(cell.delay_b)),
[INFO] [stdout]    |                         ^                                ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 62 -                 None => (child_timings.push(cell.delay_b)),
[INFO] [stdout] 62 +                 None => child_timings.push(cell.delay_b),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Tree`
[INFO] [stdout]   --> src/lib.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | use dag::{DAG, InputNode, Tree};
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/laydown_walker.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |             None => (node_timings.push(self.gate_delay(root))),
[INFO] [stdout]    |                     ^                                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 36 -             None => (node_timings.push(self.gate_delay(root))),
[INFO] [stdout] 36 +             None => node_timings.push(self.gate_delay(root)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/laydown_walker.rs:50:25
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 None => (child_timings.push(cell.delay_a)),
[INFO] [stdout]    |                         ^                                ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 50 -                 None => (child_timings.push(cell.delay_a)),
[INFO] [stdout] 50 +                 None => child_timings.push(cell.delay_a),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/laydown_walker.rs:62:25
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 None => (child_timings.push(cell.delay_b)),
[INFO] [stdout]    |                         ^                                ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 62 -                 None => (child_timings.push(cell.delay_b)),
[INFO] [stdout] 62 +                 None => child_timings.push(cell.delay_b),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Tree`
[INFO] [stdout]   --> src/lib.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | use dag::{DAG, InputNode, Tree};
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/laydown_walker.rs:79:14
[INFO] [stdout]    |
[INFO] [stdout] 79 |         for (i, cell) in self.cells.iter().enumerate() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/laydown_walker.rs:79:14
[INFO] [stdout]    |
[INFO] [stdout] 79 |         for (i, cell) in self.cells.iter().enumerate() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/lib.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     for index in 0..gate_number {
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/lib.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     for index in 0..gate_number {
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/lib.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     for index in 0..cell_number {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/lib.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     for index in 0..cell_number {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/lib.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |     for index in 0..node_num {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/lib.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |     for index in 0..node_num {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `inputs` is never read
[INFO] [stdout]   --> src/lib.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Gate {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 33 |     inputs: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `inputs` is never used
[INFO] [stdout]   --> src/dag.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Node {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn inputs(&self) -> &Vec<u32> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `inputs` is never used
[INFO] [stdout]    --> src/dag.rs:112:12
[INFO] [stdout]     |
[INFO] [stdout] 81  | impl DAG {
[INFO] [stdout]     | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 112 |     pub fn inputs(&self, node: u32) -> &Vec<u32> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `inputs` is never read
[INFO] [stdout]   --> src/lib.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Gate {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 33 |     inputs: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `inputs` is never used
[INFO] [stdout]   --> src/dag.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Node {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn inputs(&self) -> &Vec<u32> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `inputs` is never used
[INFO] [stdout]    --> src/dag.rs:112:12
[INFO] [stdout]     |
[INFO] [stdout] 81  | impl DAG {
[INFO] [stdout]     | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 112 |     pub fn inputs(&self, node: u32) -> &Vec<u32> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "559eb8e5c6cdc36da4cc5a4c73e6114ec4ac0f391d841536a5fa3a4cbec3740a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "559eb8e5c6cdc36da4cc5a4c73e6114ec4ac0f391d841536a5fa3a4cbec3740a", kill_on_drop: false }`
[INFO] [stdout] 559eb8e5c6cdc36da4cc5a4c73e6114ec4ac0f391d841536a5fa3a4cbec3740a
[INFO] checking ernsttm/mapping against try#eb3956d47f58f1c7c0a5694b1d3401945bc41dce for pr-117164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fernsttm%2Fmapping" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ernsttm/mapping on toolchain eb3956d47f58f1c7c0a5694b1d3401945bc41dce
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eb3956d47f58f1c7c0a5694b1d3401945bc41dce" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ernsttm/mapping
[INFO] finished tweaking git repo https://github.com/ernsttm/mapping
[INFO] tweaked toml for git repo https://github.com/ernsttm/mapping written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ernsttm/mapping 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" "+eb3956d47f58f1c7c0a5694b1d3401945bc41dce" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+eb3956d47f58f1c7c0a5694b1d3401945bc41dce" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c76057394d0adfb684af1801699bc0335e7d3f37ff65537fb0fed881e4aeb9e
[INFO] running `Command { std: "docker" "start" "-a" "9c76057394d0adfb684af1801699bc0335e7d3f37ff65537fb0fed881e4aeb9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c76057394d0adfb684af1801699bc0335e7d3f37ff65537fb0fed881e4aeb9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c76057394d0adfb684af1801699bc0335e7d3f37ff65537fb0fed881e4aeb9e", kill_on_drop: false }`
[INFO] [stdout] 9c76057394d0adfb684af1801699bc0335e7d3f37ff65537fb0fed881e4aeb9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+eb3956d47f58f1c7c0a5694b1d3401945bc41dce" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12777ed297eae7c8dc011db5df1288b03b40e09ef44c2cd3442b9a084816ef88
[INFO] running `Command { std: "docker" "start" "-a" "12777ed297eae7c8dc011db5df1288b03b40e09ef44c2cd3442b9a084816ef88", kill_on_drop: false }`
[INFO] [stderr]     Checking mapping v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/laydown_walker.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |             None => (node_timings.push(self.gate_delay(root))),
[INFO] [stdout]    |                     ^                                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 36 -             None => (node_timings.push(self.gate_delay(root))),
[INFO] [stdout] 36 +             None => node_timings.push(self.gate_delay(root)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/laydown_walker.rs:50:25
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 None => (child_timings.push(cell.delay_a)),
[INFO] [stdout]    |                         ^                                ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 50 -                 None => (child_timings.push(cell.delay_a)),
[INFO] [stdout] 50 +                 None => child_timings.push(cell.delay_a),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/laydown_walker.rs:62:25
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 None => (child_timings.push(cell.delay_b)),
[INFO] [stdout]    |                         ^                                ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 62 -                 None => (child_timings.push(cell.delay_b)),
[INFO] [stdout] 62 +                 None => child_timings.push(cell.delay_b),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Tree`
[INFO] [stdout]   --> src/lib.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | use dag::{DAG, InputNode, Tree};
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/laydown_walker.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |             None => (node_timings.push(self.gate_delay(root))),
[INFO] [stdout]    |                     ^                                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 36 -             None => (node_timings.push(self.gate_delay(root))),
[INFO] [stdout] 36 +             None => node_timings.push(self.gate_delay(root)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/laydown_walker.rs:50:25
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 None => (child_timings.push(cell.delay_a)),
[INFO] [stdout]    |                         ^                                ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 50 -                 None => (child_timings.push(cell.delay_a)),
[INFO] [stdout] 50 +                 None => child_timings.push(cell.delay_a),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/laydown_walker.rs:62:25
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 None => (child_timings.push(cell.delay_b)),
[INFO] [stdout]    |                         ^                                ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 62 -                 None => (child_timings.push(cell.delay_b)),
[INFO] [stdout] 62 +                 None => child_timings.push(cell.delay_b),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Tree`
[INFO] [stdout]   --> src/lib.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | use dag::{DAG, InputNode, Tree};
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/laydown_walker.rs:79:14
[INFO] [stdout]    |
[INFO] [stdout] 79 |         for (i, cell) in self.cells.iter().enumerate() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/laydown_walker.rs:79:14
[INFO] [stdout]    |
[INFO] [stdout] 79 |         for (i, cell) in self.cells.iter().enumerate() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/lib.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     for index in 0..gate_number {
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/lib.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     for index in 0..cell_number {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/lib.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |     for index in 0..node_num {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/lib.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     for index in 0..gate_number {
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/lib.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     for index in 0..cell_number {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/lib.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |     for index in 0..node_num {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `inputs` is never read
[INFO] [stdout]   --> src/lib.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Gate {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 33 |     inputs: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `inputs` is never used
[INFO] [stdout]   --> src/dag.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Node {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn inputs(&self) -> &Vec<u32> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `inputs` is never used
[INFO] [stdout]    --> src/dag.rs:112:12
[INFO] [stdout]     |
[INFO] [stdout] 81  | impl DAG {
[INFO] [stdout]     | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 112 |     pub fn inputs(&self, node: u32) -> &Vec<u32> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `inputs` is never read
[INFO] [stdout]   --> src/lib.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Gate {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 33 |     inputs: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `inputs` is never used
[INFO] [stdout]   --> src/dag.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Node {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn inputs(&self) -> &Vec<u32> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `inputs` is never used
[INFO] [stdout]    --> src/dag.rs:112:12
[INFO] [stdout]     |
[INFO] [stdout] 81  | impl DAG {
[INFO] [stdout]     | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 112 |     pub fn inputs(&self, node: u32) -> &Vec<u32> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/mapping-0fd860694ebb026d.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/mapping-0fd860694ebb026d/dep-test-bin-mapping`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "12777ed297eae7c8dc011db5df1288b03b40e09ef44c2cd3442b9a084816ef88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12777ed297eae7c8dc011db5df1288b03b40e09ef44c2cd3442b9a084816ef88", kill_on_drop: false }`
[INFO] [stdout] 12777ed297eae7c8dc011db5df1288b03b40e09ef44c2cd3442b9a084816ef88