[INFO] updating cached repository harikb/aerate [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/harikb/aerate [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/harikb/aerate" "work/ex/beta-1.37-6/sources/1.36.0/gh/harikb/aerate"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/harikb/aerate'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/harikb/aerate" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/harikb/aerate"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/harikb/aerate'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 0c0810f3cce6886e17c6ffcd60f6c4c342eb17ff [INFO] sha for GitHub repo harikb/aerate: 0c0810f3cce6886e17c6ffcd60f6c4c342eb17ff [INFO] validating manifest of harikb/aerate 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 harikb/aerate 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 harikb/aerate [INFO] finished frobbing harikb/aerate [INFO] frobbed toml for harikb/aerate written to work/ex/beta-1.37-6/sources/1.36.0/gh/harikb/aerate/Cargo.toml [INFO] started frobbing harikb/aerate [INFO] finished frobbing harikb/aerate [INFO] frobbed toml for harikb/aerate written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/harikb/aerate/Cargo.toml [INFO] crate harikb/aerate 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] [stderr] Blocking waiting for file lock on package cache lock [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing harikb/aerate 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-2/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/harikb/aerate:/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] 34be6c96efaf92554314489ecbdb98cf661706540b7203bd3319f473de519b53 [INFO] running `"docker" "start" "-a" "34be6c96efaf92554314489ecbdb98cf661706540b7203bd3319f473de519b53"` [INFO] [stderr] Compiling getopts v0.2.15 [INFO] [stderr] Compiling same-file v1.0.1 [INFO] [stderr] Compiling rand v0.3.19 [INFO] [stderr] Compiling log v0.4.1 [INFO] [stderr] Compiling atty v0.2.6 [INFO] [stderr] Compiling clap v2.29.2 [INFO] [stderr] warning[E0503]: cannot use `state` because it was mutably borrowed [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.15/src/lib.rs:1033:33 [INFO] [stderr] | [INFO] [stderr] 978 | let mut machine = |cont: &mut bool, (i, c): (usize, char)| { [INFO] [stderr] | ---------------------------------------- borrow of `state` occurs here [INFO] [stderr] ... [INFO] [stderr] 982 | state = match (state, whitespace, limit) { [INFO] [stderr] | ----- borrow occurs due to use of `state` in closure [INFO] [stderr] ... [INFO] [stderr] 1033 | while cont && match state { B | C => true, A => false } { [INFO] [stderr] | ^ use of borrowed `state` [INFO] [stderr] 1034 | machine(&mut cont, (fake_i, ' ')); [INFO] [stderr] | ------- borrow later used here [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Compiling walkdir v2.0.1 [INFO] [stderr] Compiling args v2.1.0 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Compiling aerate v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/checksum/check.rs:55:21 [INFO] [stderr] | [INFO] [stderr] 55 | let mut ifp = File::open(entry.path())?; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/checksum/common.rs:40:33 [INFO] [stderr] | [INFO] [stderr] 40 | let mut sz1: u64; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/checksum/create.rs:78:29 [INFO] [stderr] | [INFO] [stderr] 78 | let mut ifp = File::open(entry.path())?; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 21.53s [INFO] running `"docker" "inspect" "34be6c96efaf92554314489ecbdb98cf661706540b7203bd3319f473de519b53"` [INFO] running `"docker" "rm" "-f" "34be6c96efaf92554314489ecbdb98cf661706540b7203bd3319f473de519b53"` [INFO] [stdout] 34be6c96efaf92554314489ecbdb98cf661706540b7203bd3319f473de519b53 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/harikb/aerate:/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] 3e018c813faa320fcd6f5a60dbfabad38e092d03a7e30f6d1a657e290928188a [INFO] running `"docker" "start" "-a" "3e018c813faa320fcd6f5a60dbfabad38e092d03a7e30f6d1a657e290928188a"` [INFO] [stderr] Compiling aerate v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/checksum/check.rs:55:21 [INFO] [stderr] | [INFO] [stderr] 55 | let mut ifp = File::open(entry.path())?; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/checksum/common.rs:40:33 [INFO] [stderr] | [INFO] [stderr] 40 | let mut sz1: u64; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/checksum/create.rs:78:29 [INFO] [stderr] | [INFO] [stderr] 78 | let mut ifp = File::open(entry.path())?; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.85s [INFO] running `"docker" "inspect" "3e018c813faa320fcd6f5a60dbfabad38e092d03a7e30f6d1a657e290928188a"` [INFO] running `"docker" "rm" "-f" "3e018c813faa320fcd6f5a60dbfabad38e092d03a7e30f6d1a657e290928188a"` [INFO] [stdout] 3e018c813faa320fcd6f5a60dbfabad38e092d03a7e30f6d1a657e290928188a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/harikb/aerate:/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] b4c06b2221d08b5b129787acb3d988c1c48746da24f0612f9942c9c6f4712392 [INFO] running `"docker" "start" "-a" "b4c06b2221d08b5b129787acb3d988c1c48746da24f0612f9942c9c6f4712392"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/aerate-0eac84703af32ec2 [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" "b4c06b2221d08b5b129787acb3d988c1c48746da24f0612f9942c9c6f4712392"` [INFO] running `"docker" "rm" "-f" "b4c06b2221d08b5b129787acb3d988c1c48746da24f0612f9942c9c6f4712392"` [INFO] [stdout] b4c06b2221d08b5b129787acb3d988c1c48746da24f0612f9942c9c6f4712392