[INFO] updating cached repository mitsuhiko/systemfd
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mitsuhiko/systemfd
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mitsuhiko/systemfd" "work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/gh/mitsuhiko/systemfd"`
[INFO] [stderr] Cloning into 'work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/gh/mitsuhiko/systemfd'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mitsuhiko/systemfd" "work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/gh/mitsuhiko/systemfd"`
[INFO] [stderr] Cloning into 'work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/gh/mitsuhiko/systemfd'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 27ce28a164c195d264dd3f37641202e3b397e3ba
[INFO] sha for GitHub repo mitsuhiko/systemfd: 27ce28a164c195d264dd3f37641202e3b397e3ba
[INFO] validating manifest of mitsuhiko/systemfd on toolchain master#003382e4150984cb476047b3925edf8d75df2d59
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+003382e4150984cb476047b3925edf8d75df2d59-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mitsuhiko/systemfd on toolchain try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+47f4f94676fbdd494dd2c2dc9ac377a13fc78e00-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mitsuhiko/systemfd
[INFO] finished frobbing mitsuhiko/systemfd
[INFO] frobbed toml for mitsuhiko/systemfd written to work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/gh/mitsuhiko/systemfd/Cargo.toml
[INFO] started frobbing mitsuhiko/systemfd
[INFO] finished frobbing mitsuhiko/systemfd
[INFO] frobbed toml for mitsuhiko/systemfd written to work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/gh/mitsuhiko/systemfd/Cargo.toml
[INFO] crate mitsuhiko/systemfd already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+003382e4150984cb476047b3925edf8d75df2d59-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+47f4f94676fbdd494dd2c2dc9ac377a13fc78e00-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mitsuhiko/systemfd against try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00 for pr-59527
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59527/worker-2/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/gh/mitsuhiko/systemfd:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+47f4f94676fbdd494dd2c2dc9ac377a13fc78e00-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a65dcb78994565b4002307c3b9cd47da6701db2a1215b6c9a02e1340ad288fa9
[INFO] running `"docker" "start" "-a" "a65dcb78994565b4002307c3b9cd47da6701db2a1215b6c9a02e1340ad288fa9"`
[INFO] [stderr]     Checking clicolors-control v0.2.0
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking nix v0.10.0
[INFO] [stderr]     Checking regex v1.0.0
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]     Checking console v0.6.1
[INFO] [stderr]     Checking systemfd v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: attribute must be of the form `#[ignore]` or `#[ignore = "reason"]`
[INFO] [stderr]  --> src/utils.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[ignore(dead_code)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(ill_formed_attribute_input)] on by default
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #57571 <https://github.com/rust-lang/rust/issues/57571>
[INFO] [stderr] 
[INFO] [stderr] warning: attribute must be of the form `#[ignore]` or `#[ignore = "reason"]`
[INFO] [stderr]  --> src/utils.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[ignore(dead_code)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(ill_formed_attribute_input)] on by default
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #57571 <https://github.com/rust-lang/rust/issues/57571>
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `QuietExit`
[INFO] [stderr]  --> src/utils.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct QuietExit(pub i32);
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/utils.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[ignore(dead_code)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_attributes)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `QuietExit`
[INFO] [stderr]  --> src/utils.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct QuietExit(pub i32);
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/utils.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[ignore(dead_code)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_attributes)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.07s
[INFO] running `"docker" "inspect" "a65dcb78994565b4002307c3b9cd47da6701db2a1215b6c9a02e1340ad288fa9"`
[INFO] running `"docker" "rm" "-f" "a65dcb78994565b4002307c3b9cd47da6701db2a1215b6c9a02e1340ad288fa9"`
[INFO] [stdout] a65dcb78994565b4002307c3b9cd47da6701db2a1215b6c9a02e1340ad288fa9