[INFO] updating cached repository hbansal0122/spell-check [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/hbansal0122/spell-check [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/hbansal0122/spell-check" "work/ex/beta-1.38-1/sources/1.37.0/gh/hbansal0122/spell-check"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/hbansal0122/spell-check'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/hbansal0122/spell-check" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hbansal0122/spell-check"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hbansal0122/spell-check'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] e2e94841bc40baee976ef9241213857f01d6b31e [INFO] sha for GitHub repo hbansal0122/spell-check: e2e94841bc40baee976ef9241213857f01d6b31e [INFO] validating manifest of hbansal0122/spell-check 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 hbansal0122/spell-check 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 hbansal0122/spell-check [INFO] finished frobbing hbansal0122/spell-check [INFO] frobbed toml for hbansal0122/spell-check written to work/ex/beta-1.38-1/sources/1.37.0/gh/hbansal0122/spell-check/Cargo.toml [INFO] started frobbing hbansal0122/spell-check [INFO] finished frobbing hbansal0122/spell-check [INFO] frobbed toml for hbansal0122/spell-check written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hbansal0122/spell-check/Cargo.toml [INFO] crate hbansal0122/spell-check 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 hbansal0122/spell-check 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-1/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/hbansal0122/spell-check:/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] bf245c7259b4ae36a5ac50fda10085198dec2d1927e32aa0e69357a6797f0ce7 [INFO] running `"docker" "start" "-a" "bf245c7259b4ae36a5ac50fda10085198dec2d1927e32aa0e69357a6797f0ce7"` [INFO] [stderr] Compiling ndarray v0.11.2 [INFO] [stderr] Compiling stdinout v0.4.0 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Compiling itertools v0.7.8 [INFO] [stderr] Compiling num-complex v0.1.43 [INFO] [stderr] Compiling approx v0.2.1 [INFO] [stderr] Compiling syn v0.14.8 [INFO] [stderr] Compiling regex v1.0.2 [INFO] [stderr] Compiling backtrace v0.3.9 [INFO] [stderr] Compiling synstructure v0.9.0 [INFO] [stderr] Compiling failure_derive v0.1.2 [INFO] [stderr] Compiling failure v0.1.2 [INFO] [stderr] Compiling speller v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:216:13 [INFO] [stderr] | [INFO] [stderr] 216 | let mut local_word = item.term.to_string(); [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/main.rs:223:17 [INFO] [stderr] | [INFO] [stderr] 223 | let mut counter:usize = 1; [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 26.66s [INFO] running `"docker" "inspect" "bf245c7259b4ae36a5ac50fda10085198dec2d1927e32aa0e69357a6797f0ce7"` [INFO] running `"docker" "rm" "-f" "bf245c7259b4ae36a5ac50fda10085198dec2d1927e32aa0e69357a6797f0ce7"` [INFO] [stdout] bf245c7259b4ae36a5ac50fda10085198dec2d1927e32aa0e69357a6797f0ce7 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/hbansal0122/spell-check:/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] c25b1256c5d16c47dcf3ef0a2234c0b657f6fe79e54e14f9cf4451f70ddc2763 [INFO] running `"docker" "start" "-a" "c25b1256c5d16c47dcf3ef0a2234c0b657f6fe79e54e14f9cf4451f70ddc2763"` [INFO] [stderr] Compiling speller v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:216:13 [INFO] [stderr] | [INFO] [stderr] 216 | let mut local_word = item.term.to_string(); [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/main.rs:223:17 [INFO] [stderr] | [INFO] [stderr] 223 | let mut counter:usize = 1; [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.54s [INFO] running `"docker" "inspect" "c25b1256c5d16c47dcf3ef0a2234c0b657f6fe79e54e14f9cf4451f70ddc2763"` [INFO] running `"docker" "rm" "-f" "c25b1256c5d16c47dcf3ef0a2234c0b657f6fe79e54e14f9cf4451f70ddc2763"` [INFO] [stdout] c25b1256c5d16c47dcf3ef0a2234c0b657f6fe79e54e14f9cf4451f70ddc2763 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/hbansal0122/spell-check:/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] cd0b404e14a72d965bc43616201cb8b6c9f92dc55801b3921ed69457a16096a4 [INFO] running `"docker" "start" "-a" "cd0b404e14a72d965bc43616201cb8b6c9f92dc55801b3921ed69457a16096a4"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running /opt/crater/target/debug/deps/speller-5db30d46cebcce23 [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tokeniser::tests::tokeniser ... ok [INFO] [stdout] test spell_test ... 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" "cd0b404e14a72d965bc43616201cb8b6c9f92dc55801b3921ed69457a16096a4"` [INFO] running `"docker" "rm" "-f" "cd0b404e14a72d965bc43616201cb8b6c9f92dc55801b3921ed69457a16096a4"` [INFO] [stdout] cd0b404e14a72d965bc43616201cb8b6c9f92dc55801b3921ed69457a16096a4