[INFO] updating cached repository sbalaji1996/tokenizer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sbalaji1996/tokenizer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sbalaji1996/tokenizer" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/sbalaji1996/tokenizer"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/sbalaji1996/tokenizer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sbalaji1996/tokenizer" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/sbalaji1996/tokenizer"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/sbalaji1996/tokenizer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f2221939e0cc4a8fcdda4a5302ec13d87bb41e77
[INFO] sha for GitHub repo sbalaji1996/tokenizer: f2221939e0cc4a8fcdda4a5302ec13d87bb41e77
[INFO] validating manifest of sbalaji1996/tokenizer on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sbalaji1996/tokenizer on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sbalaji1996/tokenizer
[INFO] finished frobbing sbalaji1996/tokenizer
[INFO] frobbed toml for sbalaji1996/tokenizer written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/sbalaji1996/tokenizer/Cargo.toml
[INFO] started frobbing sbalaji1996/tokenizer
[INFO] finished frobbing sbalaji1996/tokenizer
[INFO] frobbed toml for sbalaji1996/tokenizer written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/sbalaji1996/tokenizer/Cargo.toml
[INFO] crate sbalaji1996/tokenizer has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing sbalaji1996/tokenizer against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/sbalaji1996/tokenizer:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 93001421ecf14e20ca0ced2952b6b890c2338d00b3193a59ad392a47b9780e53
[INFO] running `"docker" "start" "-a" "93001421ecf14e20ca0ced2952b6b890c2338d00b3193a59ad392a47b9780e53"`
[INFO] [stderr]    Compiling itoa v0.3.3
[INFO] [stderr]    Compiling serde v1.0.14
[INFO] [stderr]    Compiling textwrap v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.14
[INFO] [stderr]    Compiling clap v2.26.0
[INFO] [stderr]    Compiling serde_json v1.0.3
[INFO] [stderr]    Compiling tokenizer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::io::BufReader`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::io::BufReader;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     tokenize(contents);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.23s
[INFO] running `"docker" "inspect" "93001421ecf14e20ca0ced2952b6b890c2338d00b3193a59ad392a47b9780e53"`
[INFO] running `"docker" "rm" "-f" "93001421ecf14e20ca0ced2952b6b890c2338d00b3193a59ad392a47b9780e53"`
[INFO] [stdout] 93001421ecf14e20ca0ced2952b6b890c2338d00b3193a59ad392a47b9780e53
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/sbalaji1996/tokenizer:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 96b8f84c4ab92c9bfe7a6ec094a4b12eaec202ce6f8e5ce608138eefb68637e4
[INFO] running `"docker" "start" "-a" "96b8f84c4ab92c9bfe7a6ec094a4b12eaec202ce6f8e5ce608138eefb68637e4"`
[INFO] [stderr]    Compiling tokenizer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::io::BufReader`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::io::BufReader;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     tokenize(contents);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "96b8f84c4ab92c9bfe7a6ec094a4b12eaec202ce6f8e5ce608138eefb68637e4"`
[INFO] running `"docker" "rm" "-f" "96b8f84c4ab92c9bfe7a6ec094a4b12eaec202ce6f8e5ce608138eefb68637e4"`
[INFO] [stdout] 96b8f84c4ab92c9bfe7a6ec094a4b12eaec202ce6f8e5ce608138eefb68637e4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/sbalaji1996/tokenizer:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] bb4286e91f7d9e5a0b009a073d439ee470c781d97d66a1da67ee8128f5feb517
[INFO] running `"docker" "start" "-a" "bb4286e91f7d9e5a0b009a073d439ee470c781d97d66a1da67ee8128f5feb517"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tokenizer-5e8e8c691855695e
[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" "bb4286e91f7d9e5a0b009a073d439ee470c781d97d66a1da67ee8128f5feb517"`
[INFO] running `"docker" "rm" "-f" "bb4286e91f7d9e5a0b009a073d439ee470c781d97d66a1da67ee8128f5feb517"`
[INFO] [stdout] bb4286e91f7d9e5a0b009a073d439ee470c781d97d66a1da67ee8128f5feb517