[INFO] updating cached repository tsathishkumar/csvdiff-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tsathishkumar/csvdiff-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tsathishkumar/csvdiff-rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/tsathishkumar/csvdiff-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/tsathishkumar/csvdiff-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tsathishkumar/csvdiff-rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/tsathishkumar/csvdiff-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/tsathishkumar/csvdiff-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e3a28ebaeaae610c98dcb55ca0065d725b5ad62c
[INFO] sha for GitHub repo tsathishkumar/csvdiff-rs: e3a28ebaeaae610c98dcb55ca0065d725b5ad62c
[INFO] validating manifest of tsathishkumar/csvdiff-rs 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 tsathishkumar/csvdiff-rs 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 tsathishkumar/csvdiff-rs
[INFO] finished frobbing tsathishkumar/csvdiff-rs
[INFO] frobbed toml for tsathishkumar/csvdiff-rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/tsathishkumar/csvdiff-rs/Cargo.toml
[INFO] started frobbing tsathishkumar/csvdiff-rs
[INFO] finished frobbing tsathishkumar/csvdiff-rs
[INFO] frobbed toml for tsathishkumar/csvdiff-rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/tsathishkumar/csvdiff-rs/Cargo.toml
[INFO] crate tsathishkumar/csvdiff-rs 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] [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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing tsathishkumar/csvdiff-rs 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-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/tsathishkumar/csvdiff-rs:/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] 58af03e530533a6bc4673c2c6ecec84437306cf4a2b6dbe4aa6ddaca997fe031
[INFO] running `"docker" "start" "-a" "58af03e530533a6bc4673c2c6ecec84437306cf4a2b6dbe4aa6ddaca997fe031"`
[INFO] [stderr]    Compiling serde v1.0.48
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling twox-hash v1.1.0
[INFO] [stderr]    Compiling chan v0.1.21
[INFO] [stderr]    Compiling csv-core v0.1.4
[INFO] [stderr]    Compiling csv v1.0.0-beta.5
[INFO] [stderr]    Compiling csvdiff-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::cmp::Ordering`
[INFO] [stderr]  --> src/digest.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::cmp::Ordering;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let mut reader1 = csv::Reader::from_reader(File::open(first_file).unwrap());
[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:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let mut reader2 = csv::Reader::from_reader(File::open(second_file).unwrap());
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.67s
[INFO] running `"docker" "inspect" "58af03e530533a6bc4673c2c6ecec84437306cf4a2b6dbe4aa6ddaca997fe031"`
[INFO] running `"docker" "rm" "-f" "58af03e530533a6bc4673c2c6ecec84437306cf4a2b6dbe4aa6ddaca997fe031"`
[INFO] [stdout] 58af03e530533a6bc4673c2c6ecec84437306cf4a2b6dbe4aa6ddaca997fe031
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/tsathishkumar/csvdiff-rs:/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] 98333a331709612212ea816ebbcbd1705b71bed654a4fdf2bdb1341c16996b2a
[INFO] running `"docker" "start" "-a" "98333a331709612212ea816ebbcbd1705b71bed654a4fdf2bdb1341c16996b2a"`
[INFO] [stderr]    Compiling csvdiff-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::cmp::Ordering`
[INFO] [stderr]  --> src/digest.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::cmp::Ordering;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let mut reader1 = csv::Reader::from_reader(File::open(first_file).unwrap());
[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:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let mut reader2 = csv::Reader::from_reader(File::open(second_file).unwrap());
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "98333a331709612212ea816ebbcbd1705b71bed654a4fdf2bdb1341c16996b2a"`
[INFO] running `"docker" "rm" "-f" "98333a331709612212ea816ebbcbd1705b71bed654a4fdf2bdb1341c16996b2a"`
[INFO] [stdout] 98333a331709612212ea816ebbcbd1705b71bed654a4fdf2bdb1341c16996b2a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/tsathishkumar/csvdiff-rs:/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] 6b0d37575cc30c2ca0353d58097fb7a71149bed53e2e7548d1c63f924cab17ab
[INFO] running `"docker" "start" "-a" "6b0d37575cc30c2ca0353d58097fb7a71149bed53e2e7548d1c63f924cab17ab"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/csvdiff_rs-c9000f67b0da7aea
[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" "6b0d37575cc30c2ca0353d58097fb7a71149bed53e2e7548d1c63f924cab17ab"`
[INFO] running `"docker" "rm" "-f" "6b0d37575cc30c2ca0353d58097fb7a71149bed53e2e7548d1c63f924cab17ab"`
[INFO] [stdout] 6b0d37575cc30c2ca0353d58097fb7a71149bed53e2e7548d1c63f924cab17ab