[INFO] fetching crate cargo-ligen 0.1.7...
[INFO] checking cargo-ligen-0.1.7 against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] extracting crate cargo-ligen 0.1.7 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate cargo-ligen 0.1.7 on toolchain a3f76a26e045a760bb1163b7eab36872985242d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-ligen 0.1.7
[INFO] finished tweaking crates.io crate cargo-ligen 0.1.7
[INFO] tweaked toml for crates.io crate cargo-ligen 0.1.7 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate cargo-ligen 0.1.7 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" "+a3f76a26e045a760bb1163b7eab36872985242d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ligen v0.1.16
[INFO] [stderr]   Downloaded ligen-core v0.1.16
[INFO] [stderr]   Downloaded cargo_toml v0.9.2
[INFO] [stderr]   Downloaded libloading v0.7.0
[INFO] [stderr]   Downloaded ligen-macro v0.1.16
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 959b5f42e5aae3f4f150ffdc568e4ae904e9df0c71ccc2435f234cd0cfd8e6c2
[INFO] running `Command { std: "docker" "start" "-a" "959b5f42e5aae3f4f150ffdc568e4ae904e9df0c71ccc2435f234cd0cfd8e6c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "959b5f42e5aae3f4f150ffdc568e4ae904e9df0c71ccc2435f234cd0cfd8e6c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "959b5f42e5aae3f4f150ffdc568e4ae904e9df0c71ccc2435f234cd0cfd8e6c2", kill_on_drop: false }`
[INFO] [stdout] 959b5f42e5aae3f4f150ffdc568e4ae904e9df0c71ccc2435f234cd0cfd8e6c2
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc603065c3e56fc8865b648fcbee6b65aa481c4cac168db9d05468cd59678b83
[INFO] running `Command { std: "docker" "start" "-a" "dc603065c3e56fc8865b648fcbee6b65aa481c4cac168db9d05468cd59678b83", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]    Compiling shrinkwraprs v0.3.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking cargo_toml v0.9.2
[INFO] [stderr]     Checking ligen-core v0.1.16
[INFO] [stderr]    Compiling ligen-macro v0.1.16
[INFO] [stderr]     Checking ligen v0.1.16
[INFO] [stderr]     Checking cargo-ligen v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `arguments::*`
[INFO] [stdout]  --> src/environment.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use arguments::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arguments::*`
[INFO] [stdout]  --> src/environment.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use arguments::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `toml_path` is never read
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct WorkspaceMember {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 14 |     toml_path: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WorkspaceMember` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `toml_path` is never read
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct WorkspaceMember {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 14 |     toml_path: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WorkspaceMember` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.71s
[INFO] running `Command { std: "docker" "inspect" "dc603065c3e56fc8865b648fcbee6b65aa481c4cac168db9d05468cd59678b83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc603065c3e56fc8865b648fcbee6b65aa481c4cac168db9d05468cd59678b83", kill_on_drop: false }`
[INFO] [stdout] dc603065c3e56fc8865b648fcbee6b65aa481c4cac168db9d05468cd59678b83