[INFO] crate arabic_reshaper 0.1.6 is already in cache
[INFO] extracting crate arabic_reshaper 0.1.6 into work/ex/beta-1.37-6/sources/1.36.0/reg/arabic_reshaper/0.1.6
[INFO] extracting crate arabic_reshaper 0.1.6 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/arabic_reshaper/0.1.6
[INFO] validating manifest of arabic_reshaper-0.1.6 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 arabic_reshaper-0.1.6 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 arabic_reshaper-0.1.6
[INFO] finished frobbing arabic_reshaper-0.1.6
[INFO] frobbed toml for arabic_reshaper-0.1.6 written to work/ex/beta-1.37-6/sources/1.36.0/reg/arabic_reshaper/0.1.6/Cargo.toml
[INFO] started frobbing arabic_reshaper-0.1.6
[INFO] finished frobbing arabic_reshaper-0.1.6
[INFO] frobbed toml for arabic_reshaper-0.1.6 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/arabic_reshaper/0.1.6/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 arabic_reshaper-0.1.6 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-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/arabic_reshaper/0.1.6:/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] 195a4f819d33200dce6026e1fa201d378542e6e9884b78b75fdcc1e5f175798a
[INFO] running `"docker" "start" "-a" "195a4f819d33200dce6026e1fa201d378542e6e9884b78b75fdcc1e5f175798a"`
[INFO] [stderr]    Compiling arabic_reshaper v0.1.6 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/algorithm.rs:70:29
[INFO] [stderr]    |
[INFO] [stderr] 70 |                         let mut v = position_harakat.entry(position).or_default();
[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/algorithm.rs:73:29
[INFO] [stderr]    |
[INFO] [stderr] 73 |                         let mut v = position_harakat.entry(position).or_default();
[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/algorithm.rs:142:21
[INFO] [stderr]     |
[INFO] [stderr] 142 |                 let mut ligature_form;
[INFO] [stderr]     |                     ----^^^^^^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `"docker" "inspect" "195a4f819d33200dce6026e1fa201d378542e6e9884b78b75fdcc1e5f175798a"`
[INFO] running `"docker" "rm" "-f" "195a4f819d33200dce6026e1fa201d378542e6e9884b78b75fdcc1e5f175798a"`
[INFO] [stdout] 195a4f819d33200dce6026e1fa201d378542e6e9884b78b75fdcc1e5f175798a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/arabic_reshaper/0.1.6:/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] 00f8f0440d2306b305fd6ca7153961740c948ce1969d0e9ff1b5a50e08cd6f0a
[INFO] running `"docker" "start" "-a" "00f8f0440d2306b305fd6ca7153961740c948ce1969d0e9ff1b5a50e08cd6f0a"`
[INFO] [stderr]    Compiling arabic_reshaper v0.1.6 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/algorithm.rs:70:29
[INFO] [stderr]    |
[INFO] [stderr] 70 |                         let mut v = position_harakat.entry(position).or_default();
[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/algorithm.rs:73:29
[INFO] [stderr]    |
[INFO] [stderr] 73 |                         let mut v = position_harakat.entry(position).or_default();
[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/algorithm.rs:142:21
[INFO] [stderr]     |
[INFO] [stderr] 142 |                 let mut ligature_form;
[INFO] [stderr]     |                     ----^^^^^^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `"docker" "inspect" "00f8f0440d2306b305fd6ca7153961740c948ce1969d0e9ff1b5a50e08cd6f0a"`
[INFO] running `"docker" "rm" "-f" "00f8f0440d2306b305fd6ca7153961740c948ce1969d0e9ff1b5a50e08cd6f0a"`
[INFO] [stdout] 00f8f0440d2306b305fd6ca7153961740c948ce1969d0e9ff1b5a50e08cd6f0a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/arabic_reshaper/0.1.6:/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] 3356dcce00f28afd022240809544341739ec9a9109411698fa69e2607ffe09a2
[INFO] running `"docker" "start" "-a" "3356dcce00f28afd022240809544341739ec9a9109411698fa69e2607ffe09a2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/arabic_reshaper-d97a2a73a31f378c
[INFO] [stderr]    Doc-tests arabic_reshaper
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 25) ... ok
[INFO] [stdout] test src/lib.rs -  (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3356dcce00f28afd022240809544341739ec9a9109411698fa69e2607ffe09a2"`
[INFO] running `"docker" "rm" "-f" "3356dcce00f28afd022240809544341739ec9a9109411698fa69e2607ffe09a2"`
[INFO] [stdout] 3356dcce00f28afd022240809544341739ec9a9109411698fa69e2607ffe09a2