[INFO] cloning repository https://github.com/pdalpra/wav-to-flac
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pdalpra/wav-to-flac" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpdalpra%2Fwav-to-flac", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpdalpra%2Fwav-to-flac'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a724a7e43759eb7f4cbbcf4d7713dc840e6a98d
[INFO] checking pdalpra/wav-to-flac against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpdalpra%2Fwav-to-flac" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pdalpra/wav-to-flac
[INFO] finished tweaking git repo https://github.com/pdalpra/wav-to-flac
[INFO] tweaked toml for git repo https://github.com/pdalpra/wav-to-flac written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pdalpra/wav-to-flac on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pdalpra/wav-to-flac 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67ae9057a91e8ac0abf332e3dc86386290de29a1eafa855b498c16f2e8a9d8af
[INFO] running `Command { std: "docker" "start" "-a" "67ae9057a91e8ac0abf332e3dc86386290de29a1eafa855b498c16f2e8a9d8af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67ae9057a91e8ac0abf332e3dc86386290de29a1eafa855b498c16f2e8a9d8af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67ae9057a91e8ac0abf332e3dc86386290de29a1eafa855b498c16f2e8a9d8af", kill_on_drop: false }`
[INFO] [stdout] 67ae9057a91e8ac0abf332e3dc86386290de29a1eafa855b498c16f2e8a9d8af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fef3739a6aad1b7a469edf2dc1178da9fa5120786e7ab90f59a6de014e755fbb
[INFO] running `Command { std: "docker" "start" "-a" "fef3739a6aad1b7a469edf2dc1178da9fa5120786e7ab90f59a6de014e755fbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.51
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]    Compiling mp4ameta_proc v0.1.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking metaflac v0.2.4
[INFO] [stderr]     Checking audiotags-dev-macro v0.1.4
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking pathdiff v0.2.0
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking synchronoise v1.0.0
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking mp4ameta v0.6.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking terminal_size v0.1.15
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking console v0.13.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking id3 v0.5.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling arr_macro_impl v0.1.3
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]     Checking arr_macro v0.1.3
[INFO] [stderr]     Checking executors v0.8.0
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking audiotags v0.2.7182
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking wav-converter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `dry_run` is never read
[INFO] [stdout]   --> src/flags.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Flags {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub dry_run: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Flags` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dry_run` is never read
[INFO] [stdout]   --> src/flags.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Flags {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub dry_run: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Flags` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.66s
[INFO] running `Command { std: "docker" "inspect" "fef3739a6aad1b7a469edf2dc1178da9fa5120786e7ab90f59a6de014e755fbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fef3739a6aad1b7a469edf2dc1178da9fa5120786e7ab90f59a6de014e755fbb", kill_on_drop: false }`
[INFO] [stdout] fef3739a6aad1b7a469edf2dc1178da9fa5120786e7ab90f59a6de014e755fbb