[INFO] crate twiggy-traits 0.3.0 is already in cache
[INFO] extracting crate twiggy-traits 0.3.0 into work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/reg/twiggy-traits/0.3.0
[INFO] extracting crate twiggy-traits 0.3.0 into work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/reg/twiggy-traits/0.3.0
[INFO] validating manifest of twiggy-traits-0.3.0 on toolchain master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of twiggy-traits-0.3.0 on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing twiggy-traits-0.3.0
[INFO] finished frobbing twiggy-traits-0.3.0
[INFO] frobbed toml for twiggy-traits-0.3.0 written to work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/reg/twiggy-traits/0.3.0/Cargo.toml
[INFO] started frobbing twiggy-traits-0.3.0
[INFO] finished frobbing twiggy-traits-0.3.0
[INFO] frobbed toml for twiggy-traits-0.3.0 written to work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/reg/twiggy-traits/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking twiggy-traits-0.3.0 against try#bad365140e1e8233b42b21af70a407f14ce5fec5 for pr-56896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-6/try#bad365140e1e8233b42b21af70a407f14ce5fec5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/reg/twiggy-traits/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" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c94d588704859f45318ed77cde29a310684be2a3d8db2be15a2b1fc791835621
[INFO] running `"docker" "start" "-a" "c94d588704859f45318ed77cde29a310684be2a3d8db2be15a2b1fc791835621"`
[INFO] [stderr]     Checking frozen v1.0.0
[INFO] [stderr]     Checking fallible-iterator v0.1.6
[INFO] [stderr]    Compiling cpp_demangle v0.2.12
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]     Checking backtrace v0.3.13
[INFO] [stderr]     Checking gimli v0.16.1
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking csv v1.0.5
[INFO] [stderr]     Checking twiggy-ir v0.3.0
[INFO] [stderr]     Checking twiggy-traits v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `items`
[INFO] [stderr]    --> traits.rs:197:9
[INFO] [stderr]     |
[INFO] [stderr] 197 |         items: &ir::Items,
[INFO] [stderr]     |         ^^^^^ help: consider using `_items` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `destination`
[INFO] [stderr]    --> traits.rs:198:9
[INFO] [stderr]     |
[INFO] [stderr] 198 |         destination: &mut io::Write,
[INFO] [stderr]     |         ^^^^^^^^^^^ help: consider using `_destination` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `items`
[INFO] [stderr]    --> traits.rs:197:9
[INFO] [stderr]     |
[INFO] [stderr] 197 |         items: &ir::Items,
[INFO] [stderr]     |         ^^^^^ help: consider using `_items` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `destination`
[INFO] [stderr]    --> traits.rs:198:9
[INFO] [stderr]     |
[INFO] [stderr] 198 |         destination: &mut io::Write,
[INFO] [stderr]     |         ^^^^^^^^^^^ help: consider using `_destination` instead
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.72s
[INFO] running `"docker" "inspect" "c94d588704859f45318ed77cde29a310684be2a3d8db2be15a2b1fc791835621"`
[INFO] running `"docker" "rm" "-f" "c94d588704859f45318ed77cde29a310684be2a3d8db2be15a2b1fc791835621"`
[INFO] [stdout] c94d588704859f45318ed77cde29a310684be2a3d8db2be15a2b1fc791835621