[INFO] updating cached repository ivanovaleksey/deser
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ivanovaleksey/deser
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ivanovaleksey/deser" "work/ex/beta-1.37-6/sources/1.36.0/gh/ivanovaleksey/deser"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ivanovaleksey/deser'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ivanovaleksey/deser" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ivanovaleksey/deser"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ivanovaleksey/deser'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6d6ba1468ed89744676937158023870405296a58
[INFO] sha for GitHub repo ivanovaleksey/deser: 6d6ba1468ed89744676937158023870405296a58
[INFO] validating manifest of ivanovaleksey/deser 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 ivanovaleksey/deser 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 ivanovaleksey/deser
[INFO] finished frobbing ivanovaleksey/deser
[INFO] frobbed toml for ivanovaleksey/deser written to work/ex/beta-1.37-6/sources/1.36.0/gh/ivanovaleksey/deser/Cargo.toml
[INFO] started frobbing ivanovaleksey/deser
[INFO] finished frobbing ivanovaleksey/deser
[INFO] frobbed toml for ivanovaleksey/deser written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ivanovaleksey/deser/Cargo.toml
[INFO] crate ivanovaleksey/deser 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] 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 ivanovaleksey/deser 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-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ivanovaleksey/deser:/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] bc935146fb577888fc8607707ad1600b04f38b31bfbcce464e4c714481e5dd90
[INFO] running `"docker" "start" "-a" "bc935146fb577888fc8607707ad1600b04f38b31bfbcce464e4c714481e5dd90"`
[INFO] [stderr]    Compiling serde v1.0.27
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling num-traits v0.1.42
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]    Compiling serde_json v1.0.9
[INFO] [stderr]    Compiling deser v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.74s
[INFO] running `"docker" "inspect" "bc935146fb577888fc8607707ad1600b04f38b31bfbcce464e4c714481e5dd90"`
[INFO] running `"docker" "rm" "-f" "bc935146fb577888fc8607707ad1600b04f38b31bfbcce464e4c714481e5dd90"`
[INFO] [stdout] bc935146fb577888fc8607707ad1600b04f38b31bfbcce464e4c714481e5dd90
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ivanovaleksey/deser:/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] 2bed165cc324fd4420619940cfdbaf859233366eb0284e77e7a412b626f91875
[INFO] running `"docker" "start" "-a" "2bed165cc324fd4420619940cfdbaf859233366eb0284e77e7a412b626f91875"`
[INFO] [stderr]    Compiling deser v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> examples/first.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |         _ => unreachable!(),
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.07s
[INFO] running `"docker" "inspect" "2bed165cc324fd4420619940cfdbaf859233366eb0284e77e7a412b626f91875"`
[INFO] running `"docker" "rm" "-f" "2bed165cc324fd4420619940cfdbaf859233366eb0284e77e7a412b626f91875"`
[INFO] [stdout] 2bed165cc324fd4420619940cfdbaf859233366eb0284e77e7a412b626f91875
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ivanovaleksey/deser:/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] bcadfae14e701c39a941a319c5d301fe78b4129b86ac816179075e268fe7769a
[INFO] running `"docker" "start" "-a" "bcadfae14e701c39a941a319c5d301fe78b4129b86ac816179075e268fe7769a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/deser-6232ece1a61b2f8b
[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" "bcadfae14e701c39a941a319c5d301fe78b4129b86ac816179075e268fe7769a"`
[INFO] running `"docker" "rm" "-f" "bcadfae14e701c39a941a319c5d301fe78b4129b86ac816179075e268fe7769a"`
[INFO] [stdout] bcadfae14e701c39a941a319c5d301fe78b4129b86ac816179075e268fe7769a