[INFO] fetching crate citron 0.15.0...
[INFO] checking citron-0.15.0 against try#163937523761cc0def32f1ba9ed63fdf65ad3478 for pr-156749
[INFO] extracting crate citron 0.15.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate citron 0.15.0
[INFO] finished tweaking crates.io crate citron 0.15.0
[INFO] tweaked toml for crates.io crate citron 0.15.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate citron 0.15.0 on toolchain 163937523761cc0def32f1ba9ed63fdf65ad3478
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate citron 0.15.0 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" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7be78f225dd7e614bd8e52a69fe5ff0e8b9fd986af9c5066e1dac289619adb3b
[INFO] running `Command { std: "docker" "start" "7be78f225dd7e614bd8e52a69fe5ff0e8b9fd986af9c5066e1dac289619adb3b", 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" "7be78f225dd7e614bd8e52a69fe5ff0e8b9fd986af9c5066e1dac289619adb3b" "/opt/rustwide/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7be78f225dd7e614bd8e52a69fe5ff0e8b9fd986af9c5066e1dac289619adb3b", 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" "7be78f225dd7e614bd8e52a69fe5ff0e8b9fd986af9c5066e1dac289619adb3b" "/opt/rustwide/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling libmacchina v6.1.1
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking os-release v0.1.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking num_threads v0.1.4
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]     Checking bytesize v1.1.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]    Compiling libdbus-sys v0.2.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling sqlite3-src v0.3.0
[INFO] [stderr]     Checking sqlite3-sys v0.13.0
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking memmap2 v0.5.3
[INFO] [stderr]     Checking if-addrs v0.6.7
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking dbus v0.9.5
[INFO] [stderr]     Checking time v0.3.9
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking sqlite v0.26.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking notify-rust v4.5.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking sysctl v0.4.4
[INFO] [stderr]     Checking freedesktop_entry_parser v1.3.0
[INFO] [stderr]     Checking file-locker v1.0.5
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking linicon v2.3.0
[INFO] [stderr]     Checking serde_yaml v0.8.23
[INFO] [stderr]     Checking citron v0.15.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]   --> src/icon.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct Icon {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub path: PathBuf,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]   --> src/icon.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct Icon {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub path: PathBuf,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[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 15.90s
[INFO] running `Command { std: "docker" "inspect" "7be78f225dd7e614bd8e52a69fe5ff0e8b9fd986af9c5066e1dac289619adb3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7be78f225dd7e614bd8e52a69fe5ff0e8b9fd986af9c5066e1dac289619adb3b", kill_on_drop: false }`
[INFO] [stdout] 7be78f225dd7e614bd8e52a69fe5ff0e8b9fd986af9c5066e1dac289619adb3b
