[INFO] updating cached repository errorport/exostat
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/errorport/exostat
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/errorport/exostat" "work/ex/beta-1.38-1/sources/1.37.0/gh/errorport/exostat"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/errorport/exostat'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/errorport/exostat" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/errorport/exostat"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/errorport/exostat'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1dda5166383df96bdf22bf3fcb4b6c897c88d7cf
[INFO] sha for GitHub repo errorport/exostat: 1dda5166383df96bdf22bf3fcb4b6c897c88d7cf
[INFO] validating manifest of errorport/exostat 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 errorport/exostat 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 errorport/exostat
[INFO] finished frobbing errorport/exostat
[INFO] frobbed toml for errorport/exostat written to work/ex/beta-1.38-1/sources/1.37.0/gh/errorport/exostat/Cargo.toml
[INFO] started frobbing errorport/exostat
[INFO] finished frobbing errorport/exostat
[INFO] frobbed toml for errorport/exostat written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/errorport/exostat/Cargo.toml
[INFO] crate errorport/exostat 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing errorport/exostat against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/errorport/exostat:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 6336b684a1696a02b224926f76b82ab356dc64c9f13f09191d68834ccfb8015c
[INFO] running `"docker" "start" "-a" "6336b684a1696a02b224926f76b82ab356dc64c9f13f09191d68834ccfb8015c"`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling bytesize v0.1.3
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling systemstat v0.1.4
[INFO] [stderr]    Compiling exostat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `match` head expression
[INFO] [stderr]   --> src/main.rs:12:28
[INFO] [stderr]    |
[INFO] [stderr] 12 |         binary_str += match(num>>bit&0x01)
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.18s
[INFO] running `"docker" "inspect" "6336b684a1696a02b224926f76b82ab356dc64c9f13f09191d68834ccfb8015c"`
[INFO] running `"docker" "rm" "-f" "6336b684a1696a02b224926f76b82ab356dc64c9f13f09191d68834ccfb8015c"`
[INFO] [stdout] 6336b684a1696a02b224926f76b82ab356dc64c9f13f09191d68834ccfb8015c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/errorport/exostat:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 10f3826f11987c7c846c811337fd8bd3b361a11c7d021326fd7ed995ced4183f
[INFO] running `"docker" "start" "-a" "10f3826f11987c7c846c811337fd8bd3b361a11c7d021326fd7ed995ced4183f"`
[INFO] [stderr]    Compiling exostat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `match` head expression
[INFO] [stderr]   --> src/main.rs:12:28
[INFO] [stderr]    |
[INFO] [stderr] 12 |         binary_str += match(num>>bit&0x01)
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `"docker" "inspect" "10f3826f11987c7c846c811337fd8bd3b361a11c7d021326fd7ed995ced4183f"`
[INFO] running `"docker" "rm" "-f" "10f3826f11987c7c846c811337fd8bd3b361a11c7d021326fd7ed995ced4183f"`
[INFO] [stdout] 10f3826f11987c7c846c811337fd8bd3b361a11c7d021326fd7ed995ced4183f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/errorport/exostat:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] cfc89234966ffe6ad30347a44754214d4668b56583b2667a8bf4cdc22f7449e6
[INFO] running `"docker" "start" "-a" "cfc89234966ffe6ad30347a44754214d4668b56583b2667a8bf4cdc22f7449e6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/exostat-30bf2f02e5f3d764
[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" "cfc89234966ffe6ad30347a44754214d4668b56583b2667a8bf4cdc22f7449e6"`
[INFO] running `"docker" "rm" "-f" "cfc89234966ffe6ad30347a44754214d4668b56583b2667a8bf4cdc22f7449e6"`
[INFO] [stdout] cfc89234966ffe6ad30347a44754214d4668b56583b2667a8bf4cdc22f7449e6