[INFO] fetching crate pomy 0.1.1...
[INFO] building pomy-0.1.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate pomy 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate pomy 0.1.1
[INFO] finished tweaking crates.io crate pomy 0.1.1
[INFO] tweaked toml for crates.io crate pomy 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pomy 0.1.1 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pomy 0.1.1 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt-derive v0.4.2
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[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ce73b8ced179f95abba8d5b7e527d0e4347f81cadc01a8b2cd6c4f3c29167fb
[INFO] running `Command { std: "docker" "start" "-a" "2ce73b8ced179f95abba8d5b7e527d0e4347f81cadc01a8b2cd6c4f3c29167fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ce73b8ced179f95abba8d5b7e527d0e4347f81cadc01a8b2cd6c4f3c29167fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ce73b8ced179f95abba8d5b7e527d0e4347f81cadc01a8b2cd6c4f3c29167fb", kill_on_drop: false }`
[INFO] [stdout] 2ce73b8ced179f95abba8d5b7e527d0e4347f81cadc01a8b2cd6c4f3c29167fb
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc1ed595115f970cc0db1385a0a3b0fc2d240ba13f64f4bedfde546e4e006ee3
[INFO] running `Command { std: "docker" "start" "-a" "bc1ed595115f970cc0db1385a0a3b0fc2d240ba13f64f4bedfde546e4e006ee3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling cpal v0.10.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling claxon v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling ogg v0.7.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]    Compiling lewton v0.9.4
[INFO] [stderr]    Compiling slice-deque v0.2.4
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling minimp3 v0.3.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling proc-macro-error v0.4.9
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.9
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling ctrlc v3.1.4
[INFO] [stderr]    Compiling structopt-derive v0.4.2
[INFO] [stderr]    Compiling rodio v0.10.0
[INFO] [stderr]    Compiling structopt v0.3.9
[INFO] [stderr]    Compiling pomy v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `task_name` is never read
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Cli {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     task_name: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cli` has derived impls for the traits `Clone` and `Debug`, but these are 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 16.54s
[INFO] running `Command { std: "docker" "inspect" "bc1ed595115f970cc0db1385a0a3b0fc2d240ba13f64f4bedfde546e4e006ee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc1ed595115f970cc0db1385a0a3b0fc2d240ba13f64f4bedfde546e4e006ee3", kill_on_drop: false }`
[INFO] [stdout] bc1ed595115f970cc0db1385a0a3b0fc2d240ba13f64f4bedfde546e4e006ee3
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d863aecae512ed22ef8cf974945a9ba55ded5b5b9c7edbe4d6420d7c15d03d4d
[INFO] running `Command { std: "docker" "start" "-a" "d863aecae512ed22ef8cf974945a9ba55ded5b5b9c7edbe4d6420d7c15d03d4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling pomy v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `task_name` is never read
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Cli {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     task_name: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cli` has derived impls for the traits `Clone` and `Debug`, but these are 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 `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "d863aecae512ed22ef8cf974945a9ba55ded5b5b9c7edbe4d6420d7c15d03d4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d863aecae512ed22ef8cf974945a9ba55ded5b5b9c7edbe4d6420d7c15d03d4d", kill_on_drop: false }`
[INFO] [stdout] d863aecae512ed22ef8cf974945a9ba55ded5b5b9c7edbe4d6420d7c15d03d4d