[INFO] updating cached repository FrancisRussell/oocla-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/FrancisRussell/oocla-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/FrancisRussell/oocla-rs" "work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/FrancisRussell/oocla-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/FrancisRussell/oocla-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/FrancisRussell/oocla-rs" "work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/FrancisRussell/oocla-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/FrancisRussell/oocla-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2f0a130945068ef4b1f578a97032012cf750a861
[INFO] sha for GitHub repo FrancisRussell/oocla-rs: 2f0a130945068ef4b1f578a97032012cf750a861
[INFO] validating manifest of FrancisRussell/oocla-rs 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 FrancisRussell/oocla-rs 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 FrancisRussell/oocla-rs
[INFO] finished frobbing FrancisRussell/oocla-rs
[INFO] frobbed toml for FrancisRussell/oocla-rs written to work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/FrancisRussell/oocla-rs/Cargo.toml
[INFO] started frobbing FrancisRussell/oocla-rs
[INFO] finished frobbing FrancisRussell/oocla-rs
[INFO] frobbed toml for FrancisRussell/oocla-rs written to work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/FrancisRussell/oocla-rs/Cargo.toml
[INFO] crate FrancisRussell/oocla-rs has a lockfile. skipping
[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 FrancisRussell/oocla-rs 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/gh/FrancisRussell/oocla-rs:/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] 5a4b63d43ea3a53bdef73d1ffe17805d861e6ae1426f727efb7572d8ec322282
[INFO] running `"docker" "start" "-a" "5a4b63d43ea3a53bdef73d1ffe17805d861e6ae1426f727efb7572d8ec322282"`
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking ooc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/dense_matrix.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `slice`
[INFO] [stderr]  --> src/dense_matrix.rs:8:21
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::{mem, ptr, slice};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/dense_matrix.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `slice`
[INFO] [stderr]  --> src/dense_matrix.rs:8:21
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::{mem, ptr, slice};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_data_length_elements`
[INFO] [stderr]   --> src/dense_matrix.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn get_data_length_elements(&self) -> u64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `file`
[INFO] [stderr]   --> src/dense_matrix.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     file: File,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_data_length_elements`
[INFO] [stderr]   --> src/dense_matrix.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn get_data_length_elements(&self) -> u64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `file`
[INFO] [stderr]   --> src/dense_matrix.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     file: File,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]  --> src/bin/make-matrix.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let args : Vec<String> = env::args().collect();
[INFO] [stderr]   |         ^^^^ help: consider using `_args` instead
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]  --> src/bin/make-matrix.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let args : Vec<String> = env::args().collect();
[INFO] [stderr]   |         ^^^^ help: consider using `_args` instead
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.20s
[INFO] running `"docker" "inspect" "5a4b63d43ea3a53bdef73d1ffe17805d861e6ae1426f727efb7572d8ec322282"`
[INFO] running `"docker" "rm" "-f" "5a4b63d43ea3a53bdef73d1ffe17805d861e6ae1426f727efb7572d8ec322282"`
[INFO] [stdout] 5a4b63d43ea3a53bdef73d1ffe17805d861e6ae1426f727efb7572d8ec322282