[INFO] fetching crate lingo_lib 0.2.2...
[INFO] checking lingo_lib-0.2.2 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate lingo_lib 0.2.2 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate lingo_lib 0.2.2
[INFO] finished tweaking crates.io crate lingo_lib 0.2.2
[INFO] tweaked toml for crates.io crate lingo_lib 0.2.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lingo_lib 0.2.2 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 31 packages to latest compatible versions
[INFO] [stderr]       Adding strum v0.24.1 (available: v0.27.1)
[INFO] [stderr]       Adding strum_macros v0.24.3 (available: v0.27.1)
[INFO] [stderr]       Adding sys-locale v0.2.4 (available: v0.3.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sys-locale v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2a15cb5dbc6292db0c94b9f197cdcf342143890211e786e42174f4810d0f79e
[INFO] running `Command { std: "docker" "start" "-a" "d2a15cb5dbc6292db0c94b9f197cdcf342143890211e786e42174f4810d0f79e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2a15cb5dbc6292db0c94b9f197cdcf342143890211e786e42174f4810d0f79e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2a15cb5dbc6292db0c94b9f197cdcf342143890211e786e42174f4810d0f79e", kill_on_drop: false }`
[INFO] [stdout] d2a15cb5dbc6292db0c94b9f197cdcf342143890211e786e42174f4810d0f79e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3d756e44543afa77d423ed30bffeb196952f8ac07326e7cbd00982cfa4e4465
[INFO] running `Command { std: "docker" "start" "-a" "c3d756e44543afa77d423ed30bffeb196952f8ac07326e7cbd00982cfa4e4465", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking sys-locale v0.2.4
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]     Checking lingo_lib v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `en`
[INFO] [stdout]    --> src/strings.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let en = Locale(Language::new(LanguageCode::en), CountryCode::None);
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_en`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.49s
[INFO] running `Command { std: "docker" "inspect" "c3d756e44543afa77d423ed30bffeb196952f8ac07326e7cbd00982cfa4e4465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3d756e44543afa77d423ed30bffeb196952f8ac07326e7cbd00982cfa4e4465", kill_on_drop: false }`
[INFO] [stdout] c3d756e44543afa77d423ed30bffeb196952f8ac07326e7cbd00982cfa4e4465