[INFO] fetching crate systemfd 0.3.0...
[INFO] extracting crate systemfd 0.3.0 into work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/systemfd/0.3.0
[INFO] extracting crate systemfd 0.3.0 into work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/systemfd/0.3.0
[INFO] validating manifest of systemfd-0.3.0 on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of systemfd-0.3.0 on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing systemfd-0.3.0
[INFO] finished frobbing systemfd-0.3.0
[INFO] frobbed toml for systemfd-0.3.0 written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/systemfd/0.3.0/Cargo.toml
[INFO] started frobbing systemfd-0.3.0
[INFO] finished frobbing systemfd-0.3.0
[INFO] frobbed toml for systemfd-0.3.0 written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/systemfd/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking systemfd-0.3.0 against try#290ac7b29f41ff9fa5232f9a1116ea71a3501063 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-1/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/systemfd/0.3.0:/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" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c6e04367a526d8374b179e01dca9a1b52bb844433dad9da9e3d3ff67930e5625
[INFO] running `"docker" "start" "-a" "c6e04367a526d8374b179e01dca9a1b52bb844433dad9da9e3d3ff67930e5625"`
[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: use of deprecated item 'failure::Error::causes': please use the 'iter_chain()' method instead
[INFO] [stderr]   --> src/main.rs:41:30
[INFO] [stderr]    |
[INFO] [stderr] 41 |             for cause in err.causes().skip(1) {
[INFO] [stderr]    |                              ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[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: use of deprecated item 'failure::Error::causes': please use the 'iter_chain()' method instead
[INFO] [stderr]   --> src/main.rs:41:30
[INFO] [stderr]    |
[INFO] [stderr] 41 |             for cause in err.causes().skip(1) {
[INFO] [stderr]    |                              ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] 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 1.71s
[INFO] running `"docker" "inspect" "c6e04367a526d8374b179e01dca9a1b52bb844433dad9da9e3d3ff67930e5625"`
[INFO] running `"docker" "rm" "-f" "c6e04367a526d8374b179e01dca9a1b52bb844433dad9da9e3d3ff67930e5625"`
[INFO] [stdout] c6e04367a526d8374b179e01dca9a1b52bb844433dad9da9e3d3ff67930e5625