[INFO] updating cached repository methodin/txtof
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/methodin/txtof
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/methodin/txtof" "work/ex/beta-1.38-1/sources/1.37.0/gh/methodin/txtof"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/methodin/txtof'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/methodin/txtof" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/methodin/txtof"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/methodin/txtof'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 59d0fce3ad85e442e167633cff9778cbcdef438a
[INFO] sha for GitHub repo methodin/txtof: 59d0fce3ad85e442e167633cff9778cbcdef438a
[INFO] validating manifest of methodin/txtof 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 methodin/txtof 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 methodin/txtof
[INFO] finished frobbing methodin/txtof
[INFO] frobbed toml for methodin/txtof written to work/ex/beta-1.38-1/sources/1.37.0/gh/methodin/txtof/Cargo.toml
[INFO] started frobbing methodin/txtof
[INFO] finished frobbing methodin/txtof
[INFO] frobbed toml for methodin/txtof written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/methodin/txtof/Cargo.toml
[INFO] crate methodin/txtof 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 methodin/txtof against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/methodin/txtof:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 26ab8fee264030d6e14793d26cf5993b463ee2b7c1595c9e535686f2d9345d33
[INFO] running `"docker" "start" "-a" "26ab8fee264030d6e14793d26cf5993b463ee2b7c1595c9e535686f2d9345d33"`
[INFO] [stderr]    Compiling libc v0.2.26
[INFO] [stderr]    Compiling serde_json v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.10
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling handlebars v0.27.0
[INFO] [stderr]    Compiling txtof v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:432:25
[INFO] [stderr]     |
[INFO] [stderr] 432 |                     let mut row = page.get_current_row();
[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]     Finished dev [unoptimized + debuginfo] target(s) in 30.27s
[INFO] running `"docker" "inspect" "26ab8fee264030d6e14793d26cf5993b463ee2b7c1595c9e535686f2d9345d33"`
[INFO] running `"docker" "rm" "-f" "26ab8fee264030d6e14793d26cf5993b463ee2b7c1595c9e535686f2d9345d33"`
[INFO] [stdout] 26ab8fee264030d6e14793d26cf5993b463ee2b7c1595c9e535686f2d9345d33
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/methodin/txtof:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2813c9f6199b2672a723109c9ea7c8604fcc6cb11e0084679d70d1fd958cc8d8
[INFO] running `"docker" "start" "-a" "2813c9f6199b2672a723109c9ea7c8604fcc6cb11e0084679d70d1fd958cc8d8"`
[INFO] [stderr]    Compiling txtof v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:432:25
[INFO] [stderr]     |
[INFO] [stderr] 432 |                     let mut row = page.get_current_row();
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `"docker" "inspect" "2813c9f6199b2672a723109c9ea7c8604fcc6cb11e0084679d70d1fd958cc8d8"`
[INFO] running `"docker" "rm" "-f" "2813c9f6199b2672a723109c9ea7c8604fcc6cb11e0084679d70d1fd958cc8d8"`
[INFO] [stdout] 2813c9f6199b2672a723109c9ea7c8604fcc6cb11e0084679d70d1fd958cc8d8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/methodin/txtof:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] fdf16782b0121db2e4e3647c220171cc376a8ae0bc848c5becf328fb095d2723
[INFO] running `"docker" "start" "-a" "fdf16782b0121db2e4e3647c220171cc376a8ae0bc848c5becf328fb095d2723"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/txtof-2fb41826aa64c079
[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" "fdf16782b0121db2e4e3647c220171cc376a8ae0bc848c5becf328fb095d2723"`
[INFO] running `"docker" "rm" "-f" "fdf16782b0121db2e4e3647c220171cc376a8ae0bc848c5becf328fb095d2723"`
[INFO] [stdout] fdf16782b0121db2e4e3647c220171cc376a8ae0bc848c5becf328fb095d2723