[INFO] updating cached repository sile/rust-dawg
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sile/rust-dawg
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sile/rust-dawg" "work/ex/beta-1.38-1/sources/1.37.0/gh/sile/rust-dawg"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sile/rust-dawg'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sile/rust-dawg" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sile/rust-dawg"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sile/rust-dawg'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5abb62747f1e9c30ff2865961b770b571422c23c
[INFO] sha for GitHub repo sile/rust-dawg: 5abb62747f1e9c30ff2865961b770b571422c23c
[INFO] validating manifest of sile/rust-dawg 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 sile/rust-dawg 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 sile/rust-dawg
[INFO] finished frobbing sile/rust-dawg
[INFO] frobbed toml for sile/rust-dawg written to work/ex/beta-1.38-1/sources/1.37.0/gh/sile/rust-dawg/Cargo.toml
[INFO] started frobbing sile/rust-dawg
[INFO] finished frobbing sile/rust-dawg
[INFO] frobbed toml for sile/rust-dawg written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sile/rust-dawg/Cargo.toml
[INFO] crate sile/rust-dawg 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] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sile/rust-dawg/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing sile/rust-dawg 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/sile/rust-dawg:/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] 63ad190e4d6e357df2e5520390451ef960bb2808af0457ab77f0ff3ed096322b
[INFO] running `"docker" "start" "-a" "63ad190e4d6e357df2e5520390451ef960bb2808af0457ab77f0ff3ed096322b"`
[INFO] [stderr]    Compiling dawg v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::slice_unchecked': use `get_unchecked(begin..end)` instead
[INFO] [stderr]   --> src/bin/dawg_search.rs:48:36
[INFO] [stderr]    |
[INFO] [stderr] 48 |                      unsafe { line.slice_unchecked(0, prefix_len) });
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.94s
[INFO] running `"docker" "inspect" "63ad190e4d6e357df2e5520390451ef960bb2808af0457ab77f0ff3ed096322b"`
[INFO] running `"docker" "rm" "-f" "63ad190e4d6e357df2e5520390451ef960bb2808af0457ab77f0ff3ed096322b"`
[INFO] [stdout] 63ad190e4d6e357df2e5520390451ef960bb2808af0457ab77f0ff3ed096322b
[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/sile/rust-dawg:/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] a90816b334ef61fb101c2d982b4f2511d64250a87f66e3a2ad2fec13b010729a
[INFO] running `"docker" "start" "-a" "a90816b334ef61fb101c2d982b4f2511d64250a87f66e3a2ad2fec13b010729a"`
[INFO] [stderr]    Compiling dawg v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::slice_unchecked': use `get_unchecked(begin..end)` instead
[INFO] [stderr]   --> src/bin/dawg_search.rs:48:36
[INFO] [stderr]    |
[INFO] [stderr] 48 |                      unsafe { line.slice_unchecked(0, prefix_len) });
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.06s
[INFO] running `"docker" "inspect" "a90816b334ef61fb101c2d982b4f2511d64250a87f66e3a2ad2fec13b010729a"`
[INFO] running `"docker" "rm" "-f" "a90816b334ef61fb101c2d982b4f2511d64250a87f66e3a2ad2fec13b010729a"`
[INFO] [stdout] a90816b334ef61fb101c2d982b4f2511d64250a87f66e3a2ad2fec13b010729a
[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/sile/rust-dawg:/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] 0d4a041ad1c26e517fcf867c6bcbd08a13af2b115dbc64323ff117d73fda9fdc
[INFO] running `"docker" "start" "-a" "0d4a041ad1c26e517fcf867c6bcbd08a13af2b115dbc64323ff117d73fda9fdc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dawg-6737bac089532b12
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dawg_build-e0d260c069c9424d
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dawg_search-b77330ea70779c73
[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] [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] [stderr]      Running /opt/crater/target/debug/deps/binary_tree-05bb07a09479c6c0
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test build ... ok
[INFO] [stdout] test search_common_prefix ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/double_array-c4843dfc5a46073d
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test build ... ok
[INFO] [stdout] test search_common_prefix ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dawg
[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" "0d4a041ad1c26e517fcf867c6bcbd08a13af2b115dbc64323ff117d73fda9fdc"`
[INFO] running `"docker" "rm" "-f" "0d4a041ad1c26e517fcf867c6bcbd08a13af2b115dbc64323ff117d73fda9fdc"`
[INFO] [stdout] 0d4a041ad1c26e517fcf867c6bcbd08a13af2b115dbc64323ff117d73fda9fdc