[INFO] crate arabic_reshaper 0.1.6 is already in cache
[INFO] extracting crate arabic_reshaper 0.1.6 into work/ex/beta-1.38-1/sources/1.37.0/reg/arabic_reshaper/0.1.6
[INFO] extracting crate arabic_reshaper 0.1.6 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/arabic_reshaper/0.1.6
[INFO] validating manifest of arabic_reshaper-0.1.6 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 arabic_reshaper-0.1.6 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 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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/arabic_reshaper/0.1.6/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 arabic_reshaper-0.1.6 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-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 25cfacea18b96fb7f080311fbcb2eaf7f8958d2321d88aa178874c2248d2c782
[INFO] running `"docker" "start" "-a" "25cfacea18b96fb7f080311fbcb2eaf7f8958d2321d88aa178874c2248d2c782"`
[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 1.21s
[INFO] running `"docker" "inspect" "25cfacea18b96fb7f080311fbcb2eaf7f8958d2321d88aa178874c2248d2c782"`
[INFO] running `"docker" "rm" "-f" "25cfacea18b96fb7f080311fbcb2eaf7f8958d2321d88aa178874c2248d2c782"`
[INFO] [stdout] 25cfacea18b96fb7f080311fbcb2eaf7f8958d2321d88aa178874c2248d2c782
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] e13e32e2bdd6994458462a5a12a4d02589706a9ee3190ac9af111bad5c953c4a
[INFO] running `"docker" "start" "-a" "e13e32e2bdd6994458462a5a12a4d02589706a9ee3190ac9af111bad5c953c4a"`
[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 1.16s
[INFO] running `"docker" "inspect" "e13e32e2bdd6994458462a5a12a4d02589706a9ee3190ac9af111bad5c953c4a"`
[INFO] running `"docker" "rm" "-f" "e13e32e2bdd6994458462a5a12a4d02589706a9ee3190ac9af111bad5c953c4a"`
[INFO] [stdout] e13e32e2bdd6994458462a5a12a4d02589706a9ee3190ac9af111bad5c953c4a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] f9714ffe26d4fa2656cf91091bc8bc00e12b954becea19f273362bc913ab4766
[INFO] running `"docker" "start" "-a" "f9714ffe26d4fa2656cf91091bc8bc00e12b954becea19f273362bc913ab4766"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/arabic_reshaper-86e09d576ab50207
[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] [stderr]    Doc-tests arabic_reshaper
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 13) ... ok
[INFO] [stdout] test src/lib.rs -  (line 25) ... 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" "f9714ffe26d4fa2656cf91091bc8bc00e12b954becea19f273362bc913ab4766"`
[INFO] running `"docker" "rm" "-f" "f9714ffe26d4fa2656cf91091bc8bc00e12b954becea19f273362bc913ab4766"`
[INFO] [stdout] f9714ffe26d4fa2656cf91091bc8bc00e12b954becea19f273362bc913ab4766