[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/beta-1.37-6/sources/1.36.0/gh/FrancisRussell/oocla-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/FrancisRussell/oocla-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/FrancisRussell/oocla-rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/FrancisRussell/oocla-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of FrancisRussell/oocla-rs on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/gh/FrancisRussell/oocla-rs/Cargo.toml
[INFO] crate FrancisRussell/oocla-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing FrancisRussell/oocla-rs against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 4dfb938787e3ba7818fa9cc998a7d2747ef0939fe8e6551b67aa91ce0f74cf21
[INFO] running `"docker" "start" "-a" "4dfb938787e3ba7818fa9cc998a7d2747ef0939fe8e6551b67aa91ce0f74cf21"`
[INFO] [stderr]    Compiling libc v0.2.31
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling nix v0.9.0
[INFO] [stderr]    Compiling 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: 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 prefixing with an underscore: `_args`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.79s
[INFO] running `"docker" "inspect" "4dfb938787e3ba7818fa9cc998a7d2747ef0939fe8e6551b67aa91ce0f74cf21"`
[INFO] running `"docker" "rm" "-f" "4dfb938787e3ba7818fa9cc998a7d2747ef0939fe8e6551b67aa91ce0f74cf21"`
[INFO] [stdout] 4dfb938787e3ba7818fa9cc998a7d2747ef0939fe8e6551b67aa91ce0f74cf21
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] f4ba591dcf499a31cff8072f8a2ab518342482a40cd2b8544db9de9050d3e5aa
[INFO] running `"docker" "start" "-a" "f4ba591dcf499a31cff8072f8a2ab518342482a40cd2b8544db9de9050d3e5aa"`
[INFO] [stderr]    Compiling 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: 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 prefixing with an underscore: `_args`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "f4ba591dcf499a31cff8072f8a2ab518342482a40cd2b8544db9de9050d3e5aa"`
[INFO] running `"docker" "rm" "-f" "f4ba591dcf499a31cff8072f8a2ab518342482a40cd2b8544db9de9050d3e5aa"`
[INFO] [stdout] f4ba591dcf499a31cff8072f8a2ab518342482a40cd2b8544db9de9050d3e5aa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 7b842b514d627bdebf1edb2f370848072b74b993e00152d59047ea991b783ca3
[INFO] running `"docker" "start" "-a" "7b842b514d627bdebf1edb2f370848072b74b993e00152d59047ea991b783ca3"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ooc-8675cf46aa4f1fee
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/make_matrix-91843a3b3a228b8c
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ooc
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7b842b514d627bdebf1edb2f370848072b74b993e00152d59047ea991b783ca3"`
[INFO] running `"docker" "rm" "-f" "7b842b514d627bdebf1edb2f370848072b74b993e00152d59047ea991b783ca3"`
[INFO] [stdout] 7b842b514d627bdebf1edb2f370848072b74b993e00152d59047ea991b783ca3