[INFO] updating cached repository Funcoil/mifare_card_dump
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Funcoil/mifare_card_dump
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Funcoil/mifare_card_dump" "work/ex/beta-1.38-1/sources/1.37.0/gh/Funcoil/mifare_card_dump"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Funcoil/mifare_card_dump'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Funcoil/mifare_card_dump" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Funcoil/mifare_card_dump"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Funcoil/mifare_card_dump'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f002cfbd1ebe95d95863a367092d4b53e935aa33
[INFO] sha for GitHub repo Funcoil/mifare_card_dump: f002cfbd1ebe95d95863a367092d4b53e935aa33
[INFO] validating manifest of Funcoil/mifare_card_dump 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 Funcoil/mifare_card_dump 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 Funcoil/mifare_card_dump
[INFO] finished frobbing Funcoil/mifare_card_dump
[INFO] frobbed toml for Funcoil/mifare_card_dump written to work/ex/beta-1.38-1/sources/1.37.0/gh/Funcoil/mifare_card_dump/Cargo.toml
[INFO] started frobbing Funcoil/mifare_card_dump
[INFO] finished frobbing Funcoil/mifare_card_dump
[INFO] frobbed toml for Funcoil/mifare_card_dump written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Funcoil/mifare_card_dump/Cargo.toml
[INFO] crate Funcoil/mifare_card_dump 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Funcoil/mifare_card_dump 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Funcoil/mifare_card_dump:/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] 016838ad6ce8cd2ac8839c695d525df06c6eaf1b0722cf948fc7a819c12f1769
[INFO] running `"docker" "start" "-a" "016838ad6ce8cd2ac8839c695d525df06c6eaf1b0722cf948fc7a819c12f1769"`
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling getopts v0.2.14
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling byteorder v0.4.2
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr] warning[E0503]: cannot use `state` because it was mutably borrowed
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.14/src/lib.rs:1008:33
[INFO] [stderr]      |
[INFO] [stderr] 955  |     let mut machine = |cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stderr]      |                       ---------------------------------------- borrow of `state` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 959  |         state = match (state, whitespace, limit) {
[INFO] [stderr]      |                        ----- borrow occurs due to use of `state` in closure
[INFO] [stderr] ...
[INFO] [stderr] 1008 |     while cont && match state { B | C => true, A => false } {
[INFO] [stderr]      |                                 ^ use of borrowed `state`
[INFO] [stderr] 1009 |         machine(&mut cont, (fake_i, ' '));
[INFO] [stderr]      |         ------- borrow later used here
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]      = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]      = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling pulldown-cmark v0.0.3
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]    Compiling skeptic v0.5.0
[INFO] [stderr]    Compiling i2cdev v0.3.1
[INFO] [stderr]    Compiling pn532 v0.1.0 (https://github.com/Funcoil/pn532-rs#67914a27)
[INFO] [stderr]    Compiling mifare v0.1.0 (https://github.com/Funcoil/mifare-rs#52bb9911)
[INFO] [stderr]    Compiling card_dump v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.11s
[INFO] running `"docker" "inspect" "016838ad6ce8cd2ac8839c695d525df06c6eaf1b0722cf948fc7a819c12f1769"`
[INFO] running `"docker" "rm" "-f" "016838ad6ce8cd2ac8839c695d525df06c6eaf1b0722cf948fc7a819c12f1769"`
[INFO] [stdout] 016838ad6ce8cd2ac8839c695d525df06c6eaf1b0722cf948fc7a819c12f1769
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Funcoil/mifare_card_dump:/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] 19f1ada3b976dc5ff8726c2d22205b757601db9b7d634da30fc131cfc3d74f89
[INFO] running `"docker" "start" "-a" "19f1ada3b976dc5ff8726c2d22205b757601db9b7d634da30fc131cfc3d74f89"`
[INFO] [stderr]    Compiling card_dump v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "19f1ada3b976dc5ff8726c2d22205b757601db9b7d634da30fc131cfc3d74f89"`
[INFO] running `"docker" "rm" "-f" "19f1ada3b976dc5ff8726c2d22205b757601db9b7d634da30fc131cfc3d74f89"`
[INFO] [stdout] 19f1ada3b976dc5ff8726c2d22205b757601db9b7d634da30fc131cfc3d74f89
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Funcoil/mifare_card_dump:/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] c35cd04da6bc61e246782d3213ce5f7004e8f12084e5dc06c8c93eedb275c18e
[INFO] running `"docker" "start" "-a" "c35cd04da6bc61e246782d3213ce5f7004e8f12084e5dc06c8c93eedb275c18e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/card_dump-b818073744c5f487
[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" "c35cd04da6bc61e246782d3213ce5f7004e8f12084e5dc06c8c93eedb275c18e"`
[INFO] running `"docker" "rm" "-f" "c35cd04da6bc61e246782d3213ce5f7004e8f12084e5dc06c8c93eedb275c18e"`
[INFO] [stdout] c35cd04da6bc61e246782d3213ce5f7004e8f12084e5dc06c8c93eedb275c18e