[INFO] cloning repository https://github.com/expenses/draco-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/expenses/draco-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexpenses%2Fdraco-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexpenses%2Fdraco-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dfd6e112ad16936ac12441bf741355a4999686a3
[INFO] checking expenses/draco-rs against master#8f359beca4e58bc3ae795a666301a8f47023044c for pr-121557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexpenses%2Fdraco-rs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/expenses/draco-rs on toolchain 8f359beca4e58bc3ae795a666301a8f47023044c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/expenses/draco-rs
[INFO] finished tweaking git repo https://github.com/expenses/draco-rs
[INFO] tweaked toml for git repo https://github.com/expenses/draco-rs written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/expenses/draco-rs 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" "+8f359beca4e58bc3ae795a666301a8f47023044c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+8f359beca4e58bc3ae795a666301a8f47023044c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a47599b9bf67f09f9b513819ff8878e0dfee00fa3bd062af75bd1c2182837987
[INFO] running `Command { std: "docker" "start" "-a" "a47599b9bf67f09f9b513819ff8878e0dfee00fa3bd062af75bd1c2182837987", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a47599b9bf67f09f9b513819ff8878e0dfee00fa3bd062af75bd1c2182837987", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a47599b9bf67f09f9b513819ff8878e0dfee00fa3bd062af75bd1c2182837987", kill_on_drop: false }`
[INFO] [stdout] a47599b9bf67f09f9b513819ff8878e0dfee00fa3bd062af75bd1c2182837987
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+8f359beca4e58bc3ae795a666301a8f47023044c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 276bb7029ac53d6fd00239aa84f3027ff55d4ee071f9290c4bd08a4466003ba1
[INFO] running `Command { std: "docker" "start" "-a" "276bb7029ac53d6fd00239aa84f3027ff55d4ee071f9290c4bd08a4466003ba1", kill_on_drop: false }`
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking draco-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:118:15
[INFO] [stdout]     |
[INFO] [stdout] 118 |     } else if (data.num_points < (1  << 16)) {
[INFO] [stdout]     |               ^                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 118 -     } else if (data.num_points < (1  << 16)) {
[INFO] [stdout] 118 +     } else if data.num_points < (1  << 16) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:118:15
[INFO] [stdout]     |
[INFO] [stdout] 118 |     } else if (data.num_points < (1  << 16)) {
[INFO] [stdout]     |               ^                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 118 -     } else if (data.num_points < (1  << 16)) {
[INFO] [stdout] 118 +     } else if data.num_points < (1  << 16) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `indices`
[INFO] [stdout]   --> src/main.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let (indices, conn_dat) = decode_connectivity_data(&header, &mut bytes);
[INFO] [stdout]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_indices`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `indices`
[INFO] [stdout]   --> src/main.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let (indices, conn_dat) = decode_connectivity_data(&header, &mut bytes);
[INFO] [stdout]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_indices`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut bytes = std::fs::read(&filename).unwrap();
[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:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut bytes = std::fs::read(&filename).unwrap();
[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: unused variable: `header`
[INFO] [stdout]   --> src/main.rs:70:40
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn decode_sequential_connectivity_data(header: &Header, bytes: &mut &[u8]) -> (Vec<[u16; 3]>, SequentialConnectivityData) {
[INFO] [stdout]    |                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `header`
[INFO] [stdout]   --> src/main.rs:70:40
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn decode_sequential_connectivity_data(header: &Header, bytes: &mut &[u8]) -> (Vec<[u16; 3]>, SequentialConnectivityData) {
[INFO] [stdout]    |                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `draco-rs` (bin "draco-rs"); 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `draco-rs` (bin "draco-rs" test); 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "276bb7029ac53d6fd00239aa84f3027ff55d4ee071f9290c4bd08a4466003ba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "276bb7029ac53d6fd00239aa84f3027ff55d4ee071f9290c4bd08a4466003ba1", kill_on_drop: false }`
[INFO] [stdout] 276bb7029ac53d6fd00239aa84f3027ff55d4ee071f9290c4bd08a4466003ba1