[INFO] crate fdlimit 0.1.1 is already in cache
[INFO] extracting crate fdlimit 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/fdlimit/0.1.1
[INFO] extracting crate fdlimit 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fdlimit/0.1.1
[INFO] validating manifest of fdlimit-0.1.1 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of fdlimit-0.1.1 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing fdlimit-0.1.1
[INFO] finished frobbing fdlimit-0.1.1
[INFO] frobbed toml for fdlimit-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/fdlimit/0.1.1/Cargo.toml
[INFO] started frobbing fdlimit-0.1.1
[INFO] finished frobbing fdlimit-0.1.1
[INFO] frobbed toml for fdlimit-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fdlimit/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing fdlimit-0.1.1 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/fdlimit/0.1.1:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 779fa475807186279f0e49e84b6c641ddafcd95047b1e246fb9e853d626ced0f
[INFO] running `"docker" "start" "-a" "779fa475807186279f0e49e84b6c641ddafcd95047b1e246fb9e853d626ced0f"`
[INFO] [stderr]    Compiling fdlimit v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:56:6
[INFO] [stderr]    |
[INFO] [stderr] 1  | extern crate libc;
[INFO] [stderr]    | ------------------ the item `libc` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 56 |     use libc;
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `"docker" "inspect" "779fa475807186279f0e49e84b6c641ddafcd95047b1e246fb9e853d626ced0f"`
[INFO] running `"docker" "rm" "-f" "779fa475807186279f0e49e84b6c641ddafcd95047b1e246fb9e853d626ced0f"`
[INFO] [stdout] 779fa475807186279f0e49e84b6c641ddafcd95047b1e246fb9e853d626ced0f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/fdlimit/0.1.1:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0cceacafedb0b556b23b667e87cac7a1c6d9db52775495328a5e81d2220928a5
[INFO] running `"docker" "start" "-a" "0cceacafedb0b556b23b667e87cac7a1c6d9db52775495328a5e81d2220928a5"`
[INFO] [stderr]    Compiling fdlimit v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:56:6
[INFO] [stderr]    |
[INFO] [stderr] 1  | extern crate libc;
[INFO] [stderr]    | ------------------ the item `libc` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 56 |     use libc;
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `"docker" "inspect" "0cceacafedb0b556b23b667e87cac7a1c6d9db52775495328a5e81d2220928a5"`
[INFO] running `"docker" "rm" "-f" "0cceacafedb0b556b23b667e87cac7a1c6d9db52775495328a5e81d2220928a5"`
[INFO] [stdout] 0cceacafedb0b556b23b667e87cac7a1c6d9db52775495328a5e81d2220928a5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/fdlimit/0.1.1:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 36e128244080a98c80ab35486dc022b51395aa9d4176dcc35619dc6059e9b4d0
[INFO] running `"docker" "start" "-a" "36e128244080a98c80ab35486dc022b51395aa9d4176dcc35619dc6059e9b4d0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fdlimit-d79cf6f893b366cc
[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] [stderr]    Doc-tests fdlimit
[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" "36e128244080a98c80ab35486dc022b51395aa9d4176dcc35619dc6059e9b4d0"`
[INFO] running `"docker" "rm" "-f" "36e128244080a98c80ab35486dc022b51395aa9d4176dcc35619dc6059e9b4d0"`
[INFO] [stdout] 36e128244080a98c80ab35486dc022b51395aa9d4176dcc35619dc6059e9b4d0