[INFO] fetching crate fw 2.0.0...
[INFO] extracting crate fw 2.0.0 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/fw/2.0.0
[INFO] extracting crate fw 2.0.0 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/fw/2.0.0
[INFO] validating manifest of fw-2.0.0 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of fw-2.0.0 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing fw-2.0.0
[INFO] finished frobbing fw-2.0.0
[INFO] frobbed toml for fw-2.0.0 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/fw/2.0.0/Cargo.toml
[INFO] started frobbing fw-2.0.0
[INFO] finished frobbing fw-2.0.0
[INFO] frobbed toml for fw-2.0.0 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/fw/2.0.0/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking fw-2.0.0 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/fw/2.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b93cc3fb62292fb0acacdbe7281e5afc447af19f61b72034520ad1eff27979cf
[INFO] running `"docker" "start" "-a" "b93cc3fb62292fb0acacdbe7281e5afc447af19f61b72034520ad1eff27979cf"`
[INFO] [stderr]    Compiling libgit2-sys v0.8.1
[INFO] [stderr]     Checking sct v0.5.0
[INFO] [stderr]     Checking webpki v0.19.1
[INFO] [stderr]     Checking slog-kvfilter v0.7.0
[INFO] [stderr]     Checking toml v0.5.1
[INFO] [stderr]     Checking slog-scope v4.1.1
[INFO] [stderr]     Checking slog-term v2.4.1
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking ct-logs v0.5.1
[INFO] [stderr]     Checking slog-stdlog v3.0.2
[INFO] [stderr]     Checking rustls v0.15.2
[INFO] [stderr]     Checking webpki-roots v0.16.0
[INFO] [stderr]     Checking hyper v0.12.33
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking sloggers v0.3.2
[INFO] [stderr]     Checking tokio-rustls v0.9.3
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking hyper-rustls v0.16.1
[INFO] [stderr]     Checking reqwest v0.9.18
[INFO] [stderr]     Checking gitlab v0.1104.1
[INFO] [stderr]     Checking git2 v0.9.1
[INFO] [stderr]     Checking fw v2.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors/mod.rs:84:30
[INFO] [stderr]    |
[INFO] [stderr] 84 |   fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors/mod.rs:84:30
[INFO] [stderr]    |
[INFO] [stderr] 84 |   fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.54s
[INFO] running `"docker" "inspect" "b93cc3fb62292fb0acacdbe7281e5afc447af19f61b72034520ad1eff27979cf"`
[INFO] running `"docker" "rm" "-f" "b93cc3fb62292fb0acacdbe7281e5afc447af19f61b72034520ad1eff27979cf"`
[INFO] [stdout] b93cc3fb62292fb0acacdbe7281e5afc447af19f61b72034520ad1eff27979cf