[INFO] crate systemfd 0.3.0 is already in cache
[INFO] extracting crate systemfd 0.3.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/systemfd/0.3.0
[INFO] extracting crate systemfd 0.3.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/systemfd/0.3.0
[INFO] validating manifest of systemfd-0.3.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of systemfd-0.3.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/reg/systemfd/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing systemfd-0.3.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 4b8c8035c02469fb2fa9667cf2938483d5b08644710eea1f5c5305efc01b70a1
[INFO] running `"docker" "start" "-a" "4b8c8035c02469fb2fa9667cf2938483d5b08644710eea1f5c5305efc01b70a1"`
[INFO] [stderr]    Compiling 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: 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 4.29s
[INFO] running `"docker" "inspect" "4b8c8035c02469fb2fa9667cf2938483d5b08644710eea1f5c5305efc01b70a1"`
[INFO] running `"docker" "rm" "-f" "4b8c8035c02469fb2fa9667cf2938483d5b08644710eea1f5c5305efc01b70a1"`
[INFO] [stdout] 4b8c8035c02469fb2fa9667cf2938483d5b08644710eea1f5c5305efc01b70a1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] cb216ba3c687376922577514290b8c9ad280cc212a7920390724dc004c4b8596
[INFO] running `"docker" "start" "-a" "cb216ba3c687376922577514290b8c9ad280cc212a7920390724dc004c4b8596"`
[INFO] [stderr]    Compiling 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: 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 1.27s
[INFO] running `"docker" "inspect" "cb216ba3c687376922577514290b8c9ad280cc212a7920390724dc004c4b8596"`
[INFO] running `"docker" "rm" "-f" "cb216ba3c687376922577514290b8c9ad280cc212a7920390724dc004c4b8596"`
[INFO] [stdout] cb216ba3c687376922577514290b8c9ad280cc212a7920390724dc004c4b8596
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 26611455625f330ffeb76bdfbf65dee7351e20e92147a169c66dd06ef7a6a350
[INFO] running `"docker" "start" "-a" "26611455625f330ffeb76bdfbf65dee7351e20e92147a169c66dd06ef7a6a350"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/systemfd-5a3be027da8efa65
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "26611455625f330ffeb76bdfbf65dee7351e20e92147a169c66dd06ef7a6a350"`
[INFO] running `"docker" "rm" "-f" "26611455625f330ffeb76bdfbf65dee7351e20e92147a169c66dd06ef7a6a350"`
[INFO] [stdout] 26611455625f330ffeb76bdfbf65dee7351e20e92147a169c66dd06ef7a6a350