[INFO] crate configure_me_codegen 0.3.2 is already in cache
[INFO] extracting crate configure_me_codegen 0.3.2 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/configure_me_codegen/0.3.2
[INFO] extracting crate configure_me_codegen 0.3.2 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/configure_me_codegen/0.3.2
[INFO] validating manifest of configure_me_codegen-0.3.2 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of configure_me_codegen-0.3.2 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing configure_me_codegen-0.3.2
[INFO] finished frobbing configure_me_codegen-0.3.2
[INFO] frobbed toml for configure_me_codegen-0.3.2 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/configure_me_codegen/0.3.2/Cargo.toml
[INFO] started frobbing configure_me_codegen-0.3.2
[INFO] finished frobbing configure_me_codegen-0.3.2
[INFO] frobbed toml for configure_me_codegen-0.3.2 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/configure_me_codegen/0.3.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking configure_me_codegen-0.3.2 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-0/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/configure_me_codegen/0.3.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 382104b6b65d559e941cf797ba2c32156f9890efaa974a77012ed791244bb5e3
[INFO] running `"docker" "start" "-a" "382104b6b65d559e941cf797ba2c32156f9890efaa974a77012ed791244bb5e3"`
[INFO] [stderr]     Checking roff v0.1.0
[INFO] [stderr]    Compiling configure_me_codegen v0.3.2 (/opt/crater/workdir)
[INFO] [stderr]     Checking parse_arg v0.1.2
[INFO] [stderr]     Checking fmt2io v0.1.0
[INFO] [stderr]     Checking semver v0.6.0
[INFO] [stderr]     Checking man v0.1.1
[INFO] [stderr]     Checking configure_me v0.3.1
[INFO] [stderr]     Checking build-helper v0.1.1
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/codegen.rs:146:5
[INFO] [stderr]     |
[INFO] [stderr] 146 |     writeln!(output, "\", program_name),");
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/codegen.rs:146:5
[INFO] [stderr]     |
[INFO] [stderr] 146 |     writeln!(output, "\", program_name),");
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.06s
[INFO] running `"docker" "inspect" "382104b6b65d559e941cf797ba2c32156f9890efaa974a77012ed791244bb5e3"`
[INFO] running `"docker" "rm" "-f" "382104b6b65d559e941cf797ba2c32156f9890efaa974a77012ed791244bb5e3"`
[INFO] [stdout] 382104b6b65d559e941cf797ba2c32156f9890efaa974a77012ed791244bb5e3