[INFO] updating cached repository https://github.com/jmjoy/recorder
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 12230fa58bc7ec097c0bc7b671283805b9fc0f60
[INFO] checking jmjoy/recorder against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmjoy%2Frecorder" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jmjoy/recorder on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jmjoy/recorder
[INFO] finished tweaking git repo https://github.com/jmjoy/recorder
[INFO] tweaked toml for git repo https://github.com/jmjoy/recorder written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/jmjoy/recorder already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5c4513b49984f55f29c34d683d137459fbc9ae6ec9f788996d4ae179007d2c36
[INFO] running `"docker" "start" "-a" "5c4513b49984f55f29c34d683d137459fbc9ae6ec9f788996d4ae179007d2c36"`
[INFO] [stderr]     Checking libc v0.2.62
[INFO] [stderr]     Checking num-complex v0.2.3
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking num-bigint v0.2.3
[INFO] [stderr]     Checking num-iter v0.1.39
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking num-rational v0.2.2
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.3.2
[INFO] [stderr]    Compiling num-derive v0.3.0
[INFO] [stderr]     Checking structopt v0.3.2
[INFO] [stderr]     Checking recorder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `crate::tone::Tone`
[INFO] [stderr]   --> src/notation.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |     use crate::tone::Tone;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::tone::Tone`
[INFO] [stderr]   --> src/notation.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |     use crate::tone::Tone;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/finger.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/tone.rs:441:33
[INFO] [stderr]     |
[INFO] [stderr] 441 |                 Token::Notation(n) => {
[INFO] [stderr]     |                                 ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]    --> src/tone.rs:446:17
[INFO] [stderr]     |
[INFO] [stderr] 446 |                 t => s.to_owned(),
[INFO] [stderr]     |                 ^ help: consider prefixing with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/tone.rs:474:33
[INFO] [stderr]     |
[INFO] [stderr] 474 |                 Token::Notation(n) => {
[INFO] [stderr]     |                                 ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/tone.rs:441:33
[INFO] [stderr]     |
[INFO] [stderr] 441 |                 Token::Notation(n) => {
[INFO] [stderr]     |                                 ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]    --> src/tone.rs:446:17
[INFO] [stderr]     |
[INFO] [stderr] 446 |                 t => s.to_owned(),
[INFO] [stderr]     |                 ^ help: consider prefixing with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/tone.rs:474:33
[INFO] [stderr]     |
[INFO] [stderr] 474 |                 Token::Notation(n) => {
[INFO] [stderr]     |                                 ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.11s
[INFO] running `"docker" "inspect" "5c4513b49984f55f29c34d683d137459fbc9ae6ec9f788996d4ae179007d2c36"`
[INFO] running `"docker" "rm" "-f" "5c4513b49984f55f29c34d683d137459fbc9ae6ec9f788996d4ae179007d2c36"`
[INFO] [stdout] 5c4513b49984f55f29c34d683d137459fbc9ae6ec9f788996d4ae179007d2c36