[INFO] crate git2 0.8.0 is already in cache
[INFO] extracting crate git2 0.8.0 into work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/git2/0.8.0
[INFO] extracting crate git2 0.8.0 into work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/git2/0.8.0
[INFO] validating manifest of git2-0.8.0 on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of git2-0.8.0 on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing git2-0.8.0
[INFO] finished frobbing git2-0.8.0
[INFO] frobbed toml for git2-0.8.0 written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/git2/0.8.0/Cargo.toml
[INFO] started frobbing git2-0.8.0
[INFO] finished frobbing git2-0.8.0
[INFO] frobbed toml for git2-0.8.0 written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/git2/0.8.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking git2-0.8.0 against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-1/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/git2/0.8.0:/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] aad6ba10df8d75d95c6e98f63dd60fab4e06f0bf6beeb1fcd1a57b71d1ab15f6
[INFO] running `"docker" "start" "-a" "aad6ba10df8d75d95c6e98f63dd60fab4e06f0bf6beeb1fcd1a57b71d1ab15f6"`
[INFO] [stderr]     Checking git2 v0.8.0 (/opt/crater/workdir)
[INFO] [stderr] error: the item `libc` is imported redundantly
[INFO] [stderr]   --> src/test.rs:47:16
[INFO] [stderr]    |
[INFO] [stderr] 47 |     use libc::{self, c_char};
[INFO] [stderr]    |                ^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/lib.rs:71:1
[INFO] [stderr]    |
[INFO] [stderr] 71 | extern crate libc;
[INFO] [stderr]    | ------------------ the item `libc` is already imported here
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:69:24
[INFO] [stderr]    |
[INFO] [stderr] 69 | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    = note: #[deny(unused_imports)] implied by #[deny(warnings)]
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `git2`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "aad6ba10df8d75d95c6e98f63dd60fab4e06f0bf6beeb1fcd1a57b71d1ab15f6"`
[INFO] running `"docker" "rm" "-f" "aad6ba10df8d75d95c6e98f63dd60fab4e06f0bf6beeb1fcd1a57b71d1ab15f6"`
[INFO] [stdout] aad6ba10df8d75d95c6e98f63dd60fab4e06f0bf6beeb1fcd1a57b71d1ab15f6