[INFO] cloning repository https://github.com/Le-Maz/navar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Le-Maz/navar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLe-Maz%2Fnavar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLe-Maz%2Fnavar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3edc15549687735c5235bb103da0df374d8e6208
[INFO] checking Le-Maz/navar against try#50f413885985a8b0a0b6ca0766a0aedd45304953 for pr-155657-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLe-Maz%2Fnavar" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Le-Maz/navar
[INFO] finished tweaking git repo https://github.com/Le-Maz/navar
[INFO] tweaked toml for git repo https://github.com/Le-Maz/navar written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Le-Maz/navar on toolchain 50f413885985a8b0a0b6ca0766a0aedd45304953
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Le-Maz/navar 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" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 049125dc4723dcda0664232b5b28214eac870e8ef1cf48425ed69af2df422cfa
[INFO] running `Command { std: "docker" "start" "-a" "049125dc4723dcda0664232b5b28214eac870e8ef1cf48425ed69af2df422cfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "049125dc4723dcda0664232b5b28214eac870e8ef1cf48425ed69af2df422cfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "049125dc4723dcda0664232b5b28214eac870e8ef1cf48425ed69af2df422cfa", kill_on_drop: false }`
[INFO] [stdout] 049125dc4723dcda0664232b5b28214eac870e8ef1cf48425ed69af2df422cfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52e42d50fb46768d96aefaa481697ca3ae329c0656b487cdf8ba9c1023a18d2b
[INFO] running `Command { std: "docker" "start" "-a" "52e42d50fb46768d96aefaa481697ca3ae329c0656b487cdf8ba9c1023a18d2b", kill_on_drop: false }`
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[INFO] [stdout] warning: unreachable arm
[INFO] [stdout]    --> navar-mocks/src/lib.rs:109:38
[INFO] [stdout]     |
[INFO] [stdout] 109 |             Empty::new().map_err(|e| anyhow::anyhow!(e)).boxed(),
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^-^
[INFO] [stdout]     |                                      |               |
[INFO] [stdout]     |                                      |               any code following this expression is unreachable
[INFO] [stdout]     |                                      unreachable arm
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `anyhow::anyhow` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> navar-mocks/src/lib.rs:109:38
[INFO] [stdout]     |
[INFO] [stdout] 109 |             Empty::new().map_err(|e| anyhow::anyhow!(e)).boxed(),
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `anyhow::anyhow` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `navar-mocks` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "52e42d50fb46768d96aefaa481697ca3ae329c0656b487cdf8ba9c1023a18d2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52e42d50fb46768d96aefaa481697ca3ae329c0656b487cdf8ba9c1023a18d2b", kill_on_drop: false }`
[INFO] [stdout] 52e42d50fb46768d96aefaa481697ca3ae329c0656b487cdf8ba9c1023a18d2b
