[INFO] updating cached repository infinityb/biterror
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/infinityb/biterror
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/infinityb/biterror" "work/ex/beta-1.38-1/sources/1.37.0/gh/infinityb/biterror"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/infinityb/biterror'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/infinityb/biterror" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/infinityb/biterror"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/infinityb/biterror'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c72440302d7767a9f0d60a29478a12fe3f2a9e9c
[INFO] sha for GitHub repo infinityb/biterror: c72440302d7767a9f0d60a29478a12fe3f2a9e9c
[INFO] validating manifest of infinityb/biterror on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of infinityb/biterror on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing infinityb/biterror
[INFO] finished frobbing infinityb/biterror
[INFO] frobbed toml for infinityb/biterror written to work/ex/beta-1.38-1/sources/1.37.0/gh/infinityb/biterror/Cargo.toml
[INFO] started frobbing infinityb/biterror
[INFO] finished frobbing infinityb/biterror
[INFO] frobbed toml for infinityb/biterror written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/infinityb/biterror/Cargo.toml
[INFO] crate infinityb/biterror already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing infinityb/biterror against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/infinityb/biterror:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 554618bb4fe4173708f81d15d9ddaaba894a97e88605b1312fdee9f8cf13a7eb
[INFO] running `"docker" "start" "-a" "554618bb4fe4173708f81d15d9ddaaba894a97e88605b1312fdee9f8cf13a7eb"`
[INFO] [stderr]    Compiling biterror v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `File`, `self`
[INFO] [stderr]  --> src/main.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs::{self, File};
[INFO] [stderr]   |               ^^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `insertions`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     insertions: bool,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `deletions`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     deletions: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `bitflips`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     bitflips: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `"docker" "inspect" "554618bb4fe4173708f81d15d9ddaaba894a97e88605b1312fdee9f8cf13a7eb"`
[INFO] running `"docker" "rm" "-f" "554618bb4fe4173708f81d15d9ddaaba894a97e88605b1312fdee9f8cf13a7eb"`
[INFO] [stdout] 554618bb4fe4173708f81d15d9ddaaba894a97e88605b1312fdee9f8cf13a7eb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/infinityb/biterror:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9e55661b18f036245ef5294a399c85325c4809da3ff3711c4b80cd340affa09c
[INFO] running `"docker" "start" "-a" "9e55661b18f036245ef5294a399c85325c4809da3ff3711c4b80cd340affa09c"`
[INFO] [stderr]    Compiling biterror v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `File`, `self`
[INFO] [stderr]  --> src/main.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs::{self, File};
[INFO] [stderr]   |               ^^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `insertions`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     insertions: bool,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `deletions`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     deletions: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `bitflips`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     bitflips: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "9e55661b18f036245ef5294a399c85325c4809da3ff3711c4b80cd340affa09c"`
[INFO] running `"docker" "rm" "-f" "9e55661b18f036245ef5294a399c85325c4809da3ff3711c4b80cd340affa09c"`
[INFO] [stdout] 9e55661b18f036245ef5294a399c85325c4809da3ff3711c4b80cd340affa09c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/infinityb/biterror:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 75e6fc1c48ba3ad3b12faf633d4b62dea6f66894603dee0f20b5fa225b2eb247
[INFO] running `"docker" "start" "-a" "75e6fc1c48ba3ad3b12faf633d4b62dea6f66894603dee0f20b5fa225b2eb247"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/biterror-60bb25481378b305
[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" "75e6fc1c48ba3ad3b12faf633d4b62dea6f66894603dee0f20b5fa225b2eb247"`
[INFO] running `"docker" "rm" "-f" "75e6fc1c48ba3ad3b12faf633d4b62dea6f66894603dee0f20b5fa225b2eb247"`
[INFO] [stdout] 75e6fc1c48ba3ad3b12faf633d4b62dea6f66894603dee0f20b5fa225b2eb247