[INFO] fetching crate gsmm2-metric 0.7.1...
[INFO] checking gsmm2-metric-0.7.1 against 011c518242557d21690f7936b5812318dc2fec47 for pr-159877
[INFO] extracting crate gsmm2-metric 0.7.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate gsmm2-metric 0.7.1
[INFO] finished tweaking crates.io crate gsmm2-metric 0.7.1
[INFO] tweaked toml for crates.io crate gsmm2-metric 0.7.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gsmm2-metric 0.7.1 on toolchain 011c518242557d21690f7936b5812318dc2fec47
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate gsmm2-metric 0.7.1 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" "+011c518242557d21690f7936b5812318dc2fec47" "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-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1fa6594d87c8fa7b311925a7a77a16f539833322d9dfba4ce891f211db2f90b1" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0b9406cd0347acf08396a652061a2160d61627a72af94a0de9e61974f457b301
[INFO] running `Command { std: "docker" "start" "0b9406cd0347acf08396a652061a2160d61627a72af94a0de9e61974f457b301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b9406cd0347acf08396a652061a2160d61627a72af94a0de9e61974f457b301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0b9406cd0347acf08396a652061a2160d61627a72af94a0de9e61974f457b301" "/opt/rustwide/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b9406cd0347acf08396a652061a2160d61627a72af94a0de9e61974f457b301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0b9406cd0347acf08396a652061a2160d61627a72af94a0de9e61974f457b301" "/opt/rustwide/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking gsmm2-metric v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Counter` is never constructed
[INFO] [stdout]   --> src/metrics/hp_metric_v2.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Counter {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `update` is never used
[INFO] [stdout]   --> src/metrics/hp_metric_v2.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Counter {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 23 |     pub fn update(&mut self, misc: bool, cnt: usize) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rev_part`
[INFO] [stdout]    --> src/metrics/hp_metric.rs:379:13
[INFO] [stdout]     |
[INFO] [stdout] 379 |         let rev_part = &seq[1074..1074 + 100];
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rev_part`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target_seq`
[INFO] [stdout]    --> src/metrics/hp_metric_v2.rs:317:13
[INFO] [stdout]     |
[INFO] [stdout] 317 |         let target_seq = targetname2seq
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_seq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rev_part`
[INFO] [stdout]    --> src/metrics/hp_metric_v2.rs:458:13
[INFO] [stdout]     |
[INFO] [stdout] 458 |         let rev_part = &seq[1074..1074 + 100];
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rev_part`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Counter` is never constructed
[INFO] [stdout]   --> src/metrics/hp_metric_v2.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Counter {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `update` is never used
[INFO] [stdout]   --> src/metrics/hp_metric_v2.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Counter {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 23 |     pub fn update(&mut self, misc: bool, cnt: usize) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 23s
[INFO] running `Command { std: "docker" "inspect" "0b9406cd0347acf08396a652061a2160d61627a72af94a0de9e61974f457b301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b9406cd0347acf08396a652061a2160d61627a72af94a0de9e61974f457b301", kill_on_drop: false }`
[INFO] [stdout] 0b9406cd0347acf08396a652061a2160d61627a72af94a0de9e61974f457b301
