[INFO] updating cached repository StephanHeijl/global-supertrees
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/StephanHeijl/global-supertrees
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/StephanHeijl/global-supertrees" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/StephanHeijl/global-supertrees"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/StephanHeijl/global-supertrees'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/StephanHeijl/global-supertrees" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/StephanHeijl/global-supertrees"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/StephanHeijl/global-supertrees'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b0f296c0812ce31c338adcc3dad5d087ff2c8c54
[INFO] sha for GitHub repo StephanHeijl/global-supertrees: b0f296c0812ce31c338adcc3dad5d087ff2c8c54
[INFO] validating manifest of StephanHeijl/global-supertrees on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of StephanHeijl/global-supertrees on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing StephanHeijl/global-supertrees
[INFO] finished frobbing StephanHeijl/global-supertrees
[INFO] frobbed toml for StephanHeijl/global-supertrees written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/StephanHeijl/global-supertrees/Cargo.toml
[INFO] started frobbing StephanHeijl/global-supertrees
[INFO] finished frobbing StephanHeijl/global-supertrees
[INFO] frobbed toml for StephanHeijl/global-supertrees written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/StephanHeijl/global-supertrees/Cargo.toml
[INFO] crate StephanHeijl/global-supertrees already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking StephanHeijl/global-supertrees against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-6/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/StephanHeijl/global-supertrees:/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1244fd10dd353339ed6be1b48bfe589c8eb2ab07acfe0f28e256aa43a506c6ac
[INFO] running `"docker" "start" "-a" "1244fd10dd353339ed6be1b48bfe589c8eb2ab07acfe0f28e256aa43a506c6ac"`
[INFO] [stderr]    Compiling serde v1.0.85
[INFO] [stderr]    Compiling byteorder v1.3.0
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling mashup-impl v0.1.9
[INFO] [stderr]    Compiling pyo3-derive-backend v0.5.3
[INFO] [stderr]     Checking ndarray v0.12.1
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking rayon v1.0.2
[INFO] [stderr]     Checking mashup v0.1.9
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]    Compiling pyo3cls v0.5.3
[INFO] [stderr]    Compiling pyo3 v0.5.3
[INFO] [stderr]     Checking bincode v1.0.1
[INFO] [stderr]     Checking numpy v0.4.1
[INFO] [stderr]     Checking global-supertrees v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `mapping` is never read
[INFO] [stderr]    --> src/tests.rs:263:17
[INFO] [stderr]     |
[INFO] [stderr] 263 |         let mut mapping : BTreeMap<[u8; 10], u32> = BTreeMap::new();
[INFO] [stderr]     |                 ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/bin/bin.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use(s)]
[INFO] [stderr]   |             ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/bin/bin.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use(s)]
[INFO] [stderr]   |             ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.10s
[INFO] running `"docker" "inspect" "1244fd10dd353339ed6be1b48bfe589c8eb2ab07acfe0f28e256aa43a506c6ac"`
[INFO] running `"docker" "rm" "-f" "1244fd10dd353339ed6be1b48bfe589c8eb2ab07acfe0f28e256aa43a506c6ac"`
[INFO] [stdout] 1244fd10dd353339ed6be1b48bfe589c8eb2ab07acfe0f28e256aa43a506c6ac