[INFO] fetching crate ligen-core 0.1.8...
[INFO] checking ligen-core-0.1.8 against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] extracting crate ligen-core 0.1.8 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate ligen-core 0.1.8 on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ligen-core 0.1.8
[INFO] finished tweaking crates.io crate ligen-core 0.1.8
[INFO] tweaked toml for crates.io crate ligen-core 0.1.8 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f3c91c983151a7e1b0ec41969bd4fa1172f8f4088ff801d0d10e53d80016fdd
[INFO] running `Command { std: "docker" "start" "-a" "6f3c91c983151a7e1b0ec41969bd4fa1172f8f4088ff801d0d10e53d80016fdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f3c91c983151a7e1b0ec41969bd4fa1172f8f4088ff801d0d10e53d80016fdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f3c91c983151a7e1b0ec41969bd4fa1172f8f4088ff801d0d10e53d80016fdd", kill_on_drop: false }`
[INFO] [stdout] 6f3c91c983151a7e1b0ec41969bd4fa1172f8f4088ff801d0d10e53d80016fdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15774b5798a51a6f5a04437324d59dce184ab52183f3db6320ee485cfea6c3d3
[INFO] running `Command { std: "docker" "start" "-a" "15774b5798a51a6f5a04437324d59dce184ab52183f3db6320ee485cfea6c3d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking proc-macro2 v1.0.27
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling shrinkwraprs v0.3.0
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking ligen-core v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]   --> src/proc_macro/mod.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     use std::path::PathBuf;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arguments`, `BuildType`, `Context`, `SourceFile`
[INFO] [stdout]   --> src/proc_macro/mod.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |     use super::{Context, SourceFile, Arguments, BuildType};
[INFO] [stdout]    |                 ^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.31s
[INFO] running `Command { std: "docker" "inspect" "15774b5798a51a6f5a04437324d59dce184ab52183f3db6320ee485cfea6c3d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15774b5798a51a6f5a04437324d59dce184ab52183f3db6320ee485cfea6c3d3", kill_on_drop: false }`
[INFO] [stdout] 15774b5798a51a6f5a04437324d59dce184ab52183f3db6320ee485cfea6c3d3