[INFO] cloning repository rw/rust_flatbuffers_example
[INFO] running `"git" "clone" "--bare" "git://github.com/rw/rust_flatbuffers_example.git" "work/cache/sources/gh/rw/rust_flatbuffers_example"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/rw/rust_flatbuffers_example'...
[INFO] running `"git" "clone" "work/cache/sources/gh/rw/rust_flatbuffers_example" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/rw/rust_flatbuffers_example"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/rw/rust_flatbuffers_example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rw/rust_flatbuffers_example" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/rw/rust_flatbuffers_example"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/rw/rust_flatbuffers_example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 362725951ebc826c7648ad609045c1ed46f7a697
[INFO] sha for GitHub repo rw/rust_flatbuffers_example: 362725951ebc826c7648ad609045c1ed46f7a697
[INFO] validating manifest of rw/rust_flatbuffers_example on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rw/rust_flatbuffers_example on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rw/rust_flatbuffers_example
[INFO] finished frobbing rw/rust_flatbuffers_example
[INFO] frobbed toml for rw/rust_flatbuffers_example written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/rw/rust_flatbuffers_example/Cargo.toml
[INFO] started frobbing rw/rust_flatbuffers_example
[INFO] finished frobbing rw/rust_flatbuffers_example
[INFO] frobbed toml for rw/rust_flatbuffers_example written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/rw/rust_flatbuffers_example/Cargo.toml
[INFO] crate rw/rust_flatbuffers_example already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/rw/rust_flatbuffers_example/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rw/rust_flatbuffers_example against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-4/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/rw/rust_flatbuffers_example:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8ad95d7d576496b4f741b96b06c53d29a5fb1e23a996c44470629fcc9b488b3a
[INFO] running `"docker" "start" "-a" "8ad95d7d576496b4f741b96b06c53d29a5fb1e23a996c44470629fcc9b488b3a"`
[INFO] [stderr]     Checking flatbuffers v0.6.0
[INFO] [stderr]     Checking rust_flatbuffers_example v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/myschema_generated.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::Ordering`
[INFO] [stderr]  --> src/myschema_generated.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::cmp::Ordering;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::flatbuffers::EndianScalar`
[INFO] [stderr]  --> src/myschema_generated.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use self::flatbuffers::EndianScalar;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/myschema_generated.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::Ordering`
[INFO] [stderr]  --> src/myschema_generated.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::cmp::Ordering;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::flatbuffers::EndianScalar`
[INFO] [stderr]  --> src/myschema_generated.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use self::flatbuffers::EndianScalar;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `"docker" "inspect" "8ad95d7d576496b4f741b96b06c53d29a5fb1e23a996c44470629fcc9b488b3a"`
[INFO] running `"docker" "rm" "-f" "8ad95d7d576496b4f741b96b06c53d29a5fb1e23a996c44470629fcc9b488b3a"`
[INFO] [stdout] 8ad95d7d576496b4f741b96b06c53d29a5fb1e23a996c44470629fcc9b488b3a