[INFO] fetching crate cargo-ligen 0.1.7...
[INFO] testing cargo-ligen-0.1.7 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate cargo-ligen 0.1.7 into /workspace/builds/worker-4-tc2/source
[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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-ligen 0.1.7 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a0ed1a684bc68bb839ddbb1fdde6b9c9b396c1b05dd70da0966b49e489af521
[INFO] running `Command { std: "docker" "start" "-a" "4a0ed1a684bc68bb839ddbb1fdde6b9c9b396c1b05dd70da0966b49e489af521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a0ed1a684bc68bb839ddbb1fdde6b9c9b396c1b05dd70da0966b49e489af521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a0ed1a684bc68bb839ddbb1fdde6b9c9b396c1b05dd70da0966b49e489af521", kill_on_drop: false }`
[INFO] [stdout] 4a0ed1a684bc68bb839ddbb1fdde6b9c9b396c1b05dd70da0966b49e489af521
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 981eeda971819aa04a72a285ff0cdf2af64e6e40ed4417c675b6ac9588ff3e4e
[INFO] running `Command { std: "docker" "start" "-a" "981eeda971819aa04a72a285ff0cdf2af64e6e40ed4417c675b6ac9588ff3e4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[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 libloading v0.7.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling shrinkwraprs v0.3.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling cargo_toml v0.9.2
[INFO] [stderr]    Compiling ligen-core v0.1.16
[INFO] [stderr]    Compiling ligen-macro v0.1.16
[INFO] [stderr]    Compiling ligen v0.1.16
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.31s
[INFO] running `Command { std: "docker" "inspect" "981eeda971819aa04a72a285ff0cdf2af64e6e40ed4417c675b6ac9588ff3e4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "981eeda971819aa04a72a285ff0cdf2af64e6e40ed4417c675b6ac9588ff3e4e", kill_on_drop: false }`
[INFO] [stdout] 981eeda971819aa04a72a285ff0cdf2af64e6e40ed4417c675b6ac9588ff3e4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e276a54fa25409468e8063da1ec064e1399e2135f27b62ca664adad82edf5947
[INFO] running `Command { std: "docker" "start" "-a" "e276a54fa25409468e8063da1ec064e1399e2135f27b62ca664adad82edf5947", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "e276a54fa25409468e8063da1ec064e1399e2135f27b62ca664adad82edf5947", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e276a54fa25409468e8063da1ec064e1399e2135f27b62ca664adad82edf5947", kill_on_drop: false }`
[INFO] [stdout] e276a54fa25409468e8063da1ec064e1399e2135f27b62ca664adad82edf5947
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e0d19546406dcf6ddff3a132e2368625807bc3d23912b1b1084d23a1bc296ed6
[INFO] running `Command { std: "docker" "start" "-a" "e0d19546406dcf6ddff3a132e2368625807bc3d23912b1b1084d23a1bc296ed6", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `arguments::*`
[INFO] [stderr]  --> src/environment.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub use arguments::*;
[INFO] [stderr]   |         ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `toml_path` is never read
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub struct WorkspaceMember {
[INFO] [stderr]    |            --------------- field in this struct
[INFO] [stderr] 14 |     toml_path: PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `WorkspaceMember` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cargo-ligen` (bin "cargo-ligen" test) generated 2 warnings (run `cargo fix --bin "cargo-ligen" -p cargo-ligen --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cargo_ligen-54b70e5a290691d3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e0d19546406dcf6ddff3a132e2368625807bc3d23912b1b1084d23a1bc296ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0d19546406dcf6ddff3a132e2368625807bc3d23912b1b1084d23a1bc296ed6", kill_on_drop: false }`
[INFO] [stdout] e0d19546406dcf6ddff3a132e2368625807bc3d23912b1b1084d23a1bc296ed6