[INFO] fetching crate citron 0.15.0...
[INFO] checking citron-0.15.0 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate citron 0.15.0 into /workspace/builds/worker-1-tc1/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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate citron 0.15.0 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strum v0.22.0
[INFO] [stderr]   Downloaded num_threads v0.1.4
[INFO] [stderr]   Downloaded winrt-notification v0.5.1
[INFO] [stderr]   Downloaded notify-rust v4.5.8
[INFO] [stderr]   Downloaded libdbus-sys v0.2.2
[INFO] [stderr]   Downloaded if-addrs v0.6.7
[INFO] [stderr]   Downloaded if-addrs-sys v0.3.2
[INFO] [stderr]   Downloaded gethostname v0.2.2
[INFO] [stderr]   Downloaded os-release v0.1.0
[INFO] [stderr]   Downloaded file-locker v1.0.5
[INFO] [stderr]   Downloaded memmap2 v0.5.3
[INFO] [stderr]   Downloaded sysctl v0.4.4
[INFO] [stderr]   Downloaded widestring v0.5.1
[INFO] [stderr]   Downloaded wmi v0.9.3
[INFO] [stderr]   Downloaded strum_macros v0.22.0
[INFO] [stderr]   Downloaded dbus v0.9.5
[INFO] [stderr]   Downloaded mac-notification-sys v0.5.0
[INFO] [stderr]   Downloaded nix v0.22.2
[INFO] [stderr]   Downloaded x11rb v0.9.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.30.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.30.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.24.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.30.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.30.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.30.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.24.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.24.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.24.0
[INFO] [stderr]   Downloaded windows v0.24.0
[INFO] [stderr]   Downloaded windows v0.30.0
[INFO] [stderr]   Downloaded libmacchina v6.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a28d556cc350736ea1a952a5757a45ca9133b763783d53f24a832f37edf2c954
[INFO] running `Command { std: "docker" "start" "-a" "a28d556cc350736ea1a952a5757a45ca9133b763783d53f24a832f37edf2c954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a28d556cc350736ea1a952a5757a45ca9133b763783d53f24a832f37edf2c954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a28d556cc350736ea1a952a5757a45ca9133b763783d53f24a832f37edf2c954", kill_on_drop: false }`
[INFO] [stdout] a28d556cc350736ea1a952a5757a45ca9133b763783d53f24a832f37edf2c954
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97ae74370e6fee53c3afd40f32ed89a8b22667392d5ff1311ed6d95a49fa30f3
[INFO] running `Command { std: "docker" "start" "-a" "97ae74370e6fee53c3afd40f32ed89a8b22667392d5ff1311ed6d95a49fa30f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling sqlite3-src v0.3.0
[INFO] [stderr]    Compiling libdbus-sys v0.2.2
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling libmacchina v6.1.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking os-release v0.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking num_threads v0.1.4
[INFO] [stderr]     Checking bytesize v1.1.0
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking sqlite3-sys v0.13.0
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking if-addrs v0.6.7
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking memmap2 v0.5.3
[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]     Checking notify-rust v4.5.8
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking file-locker v1.0.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking freedesktop_entry_parser v1.3.0
[INFO] [stderr]     Checking sysctl v0.4.4
[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 15.97s
[INFO] running `Command { std: "docker" "inspect" "97ae74370e6fee53c3afd40f32ed89a8b22667392d5ff1311ed6d95a49fa30f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97ae74370e6fee53c3afd40f32ed89a8b22667392d5ff1311ed6d95a49fa30f3", kill_on_drop: false }`
[INFO] [stdout] 97ae74370e6fee53c3afd40f32ed89a8b22667392d5ff1311ed6d95a49fa30f3