[INFO] updating cached repository baliga-lab/mirvestigator-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/baliga-lab/mirvestigator-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/baliga-lab/mirvestigator-rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/baliga-lab/mirvestigator-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/baliga-lab/mirvestigator-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/baliga-lab/mirvestigator-rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/baliga-lab/mirvestigator-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/baliga-lab/mirvestigator-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5811d28faf9d2c3b293d0ec9e4cc6d96cdbd0e7d
[INFO] sha for GitHub repo baliga-lab/mirvestigator-rust: 5811d28faf9d2c3b293d0ec9e4cc6d96cdbd0e7d
[INFO] validating manifest of baliga-lab/mirvestigator-rust 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 baliga-lab/mirvestigator-rust 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 baliga-lab/mirvestigator-rust
[INFO] finished frobbing baliga-lab/mirvestigator-rust
[INFO] frobbed toml for baliga-lab/mirvestigator-rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/baliga-lab/mirvestigator-rust/Cargo.toml
[INFO] started frobbing baliga-lab/mirvestigator-rust
[INFO] finished frobbing baliga-lab/mirvestigator-rust
[INFO] frobbed toml for baliga-lab/mirvestigator-rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/baliga-lab/mirvestigator-rust/Cargo.toml
[INFO] crate baliga-lab/mirvestigator-rust 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] testing baliga-lab/mirvestigator-rust against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/baliga-lab/mirvestigator-rust:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 7a6c726e73fb5dcdbd307e5a0a56537c666a56e448c2326a9c5ffcfebf212574
[INFO] running `"docker" "start" "-a" "7a6c726e73fb5dcdbd307e5a0a56537c666a56e448c2326a9c5ffcfebf212574"`
[INFO] [stderr]    Compiling json v0.11.13
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling flate2 v1.0.7
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling ftp v3.0.1
[INFO] [stderr]    Compiling mirvestigator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `io` is imported redundantly
[INFO] [stderr]   --> src/main.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 6  | use std::io;
[INFO] [stderr]    |     ------- the item `io` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 79 |     use std::io;
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `File` is imported redundantly
[INFO] [stderr]   --> src/main.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 9  | use std::fs::File;
[INFO] [stderr]    |     ------------- the item `File` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 81 |     use std::fs::File;
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.25s
[INFO] running `"docker" "inspect" "7a6c726e73fb5dcdbd307e5a0a56537c666a56e448c2326a9c5ffcfebf212574"`
[INFO] running `"docker" "rm" "-f" "7a6c726e73fb5dcdbd307e5a0a56537c666a56e448c2326a9c5ffcfebf212574"`
[INFO] [stdout] 7a6c726e73fb5dcdbd307e5a0a56537c666a56e448c2326a9c5ffcfebf212574
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/baliga-lab/mirvestigator-rust:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] a488a408de48b6dd42884c712be6cc30c979f40d86d942f28bbffab10bece5e3
[INFO] running `"docker" "start" "-a" "a488a408de48b6dd42884c712be6cc30c979f40d86d942f28bbffab10bece5e3"`
[INFO] [stderr]    Compiling mirvestigator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `io` is imported redundantly
[INFO] [stderr]   --> src/main.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 6  | use std::io;
[INFO] [stderr]    |     ------- the item `io` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 79 |     use std::io;
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `File` is imported redundantly
[INFO] [stderr]   --> src/main.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 9  | use std::fs::File;
[INFO] [stderr]    |     ------------- the item `File` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 81 |     use std::fs::File;
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `"docker" "inspect" "a488a408de48b6dd42884c712be6cc30c979f40d86d942f28bbffab10bece5e3"`
[INFO] running `"docker" "rm" "-f" "a488a408de48b6dd42884c712be6cc30c979f40d86d942f28bbffab10bece5e3"`
[INFO] [stdout] a488a408de48b6dd42884c712be6cc30c979f40d86d942f28bbffab10bece5e3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/baliga-lab/mirvestigator-rust:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] c31717bc15a0e9c7be384163050c117ebebc1af27eba63000aad97e0c4365db7
[INFO] running `"docker" "start" "-a" "c31717bc15a0e9c7be384163050c117ebebc1af27eba63000aad97e0c4365db7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mirvestigator-4f0caa8c6af9261e
[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" "c31717bc15a0e9c7be384163050c117ebebc1af27eba63000aad97e0c4365db7"`
[INFO] running `"docker" "rm" "-f" "c31717bc15a0e9c7be384163050c117ebebc1af27eba63000aad97e0c4365db7"`
[INFO] [stdout] c31717bc15a0e9c7be384163050c117ebebc1af27eba63000aad97e0c4365db7