[INFO] updating cached repository orac/name-maker
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/orac/name-maker
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/orac/name-maker" "work/ex/beta-1.38-1/sources/1.37.0/gh/orac/name-maker"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/orac/name-maker'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/orac/name-maker" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/orac/name-maker"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/orac/name-maker'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5dfad596561690d176aa96ee74e698c3199ea616
[INFO] sha for GitHub repo orac/name-maker: 5dfad596561690d176aa96ee74e698c3199ea616
[INFO] validating manifest of orac/name-maker 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 orac/name-maker 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 orac/name-maker
[INFO] finished frobbing orac/name-maker
[INFO] frobbed toml for orac/name-maker written to work/ex/beta-1.38-1/sources/1.37.0/gh/orac/name-maker/Cargo.toml
[INFO] started frobbing orac/name-maker
[INFO] finished frobbing orac/name-maker
[INFO] frobbed toml for orac/name-maker written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/orac/name-maker/Cargo.toml
[INFO] crate orac/name-maker 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 orac/name-maker 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/orac/name-maker:/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] 2556a53602494a2736fd6c05c520c054cf4e6b0f5fef586769d3691dad9be08d
[INFO] running `"docker" "start" "-a" "2556a53602494a2736fd6c05c520c054cf4e6b0f5fef586769d3691dad9be08d"`
[INFO] [stderr]    Compiling unicode-segmentation v0.1.2
[INFO] [stderr]    Compiling term_size v0.2.1
[INFO] [stderr]    Compiling clap v2.18.0
[INFO] [stderr]    Compiling name-maker v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: missing fragment specifier
[INFO] [stderr]   --> <::clap::macros::clap_app macros>:84:47
[INFO] [stderr]    |
[INFO] [stderr] 84 | @ arg ( $ arg : expr ) $ modes : tt ! $ ident $ ( $ tail : tt ) * ) => {
[INFO] [stderr]    |                                               ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(missing_fragment_specifier)] on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #40107 <https://github.com/rust-lang/rust/issues/40107>
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 |             let mut frequencies = self.contexts.entry(my_context.clone()).or_insert_with(FrequencyTable::new);
[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:107:13
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let mut frequencies = self.contexts.entry(my_context).or_insert_with(FrequencyTable::new);
[INFO] [stderr]     |             ----^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.76s
[INFO] running `"docker" "inspect" "2556a53602494a2736fd6c05c520c054cf4e6b0f5fef586769d3691dad9be08d"`
[INFO] running `"docker" "rm" "-f" "2556a53602494a2736fd6c05c520c054cf4e6b0f5fef586769d3691dad9be08d"`
[INFO] [stdout] 2556a53602494a2736fd6c05c520c054cf4e6b0f5fef586769d3691dad9be08d
[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/orac/name-maker:/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] 94ea8e0729d87f237b0256d88b2256c76c4e2a7ac80d67a3b3890609e0446676
[INFO] running `"docker" "start" "-a" "94ea8e0729d87f237b0256d88b2256c76c4e2a7ac80d67a3b3890609e0446676"`
[INFO] [stderr]    Compiling name-maker v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: missing fragment specifier
[INFO] [stderr]   --> <::clap::macros::clap_app macros>:84:47
[INFO] [stderr]    |
[INFO] [stderr] 84 | @ arg ( $ arg : expr ) $ modes : tt ! $ ident $ ( $ tail : tt ) * ) => {
[INFO] [stderr]    |                                               ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(missing_fragment_specifier)] on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #40107 <https://github.com/rust-lang/rust/issues/40107>
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 |             let mut frequencies = self.contexts.entry(my_context.clone()).or_insert_with(FrequencyTable::new);
[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:107:13
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let mut frequencies = self.contexts.entry(my_context).or_insert_with(FrequencyTable::new);
[INFO] [stderr]     |             ----^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `"docker" "inspect" "94ea8e0729d87f237b0256d88b2256c76c4e2a7ac80d67a3b3890609e0446676"`
[INFO] running `"docker" "rm" "-f" "94ea8e0729d87f237b0256d88b2256c76c4e2a7ac80d67a3b3890609e0446676"`
[INFO] [stdout] 94ea8e0729d87f237b0256d88b2256c76c4e2a7ac80d67a3b3890609e0446676
[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/orac/name-maker:/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] 5cd0165f87770843a133e34668283dca980824033ef954fed7945b9c754fe424
[INFO] running `"docker" "start" "-a" "5cd0165f87770843a133e34668283dca980824033ef954fed7945b9c754fe424"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/name_maker-95b8cbb4dee6f762
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_data::singleton_title_case ... ok
[INFO] [stdout] test test_frequency_table::singleton ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5cd0165f87770843a133e34668283dca980824033ef954fed7945b9c754fe424"`
[INFO] running `"docker" "rm" "-f" "5cd0165f87770843a133e34668283dca980824033ef954fed7945b9c754fe424"`
[INFO] [stdout] 5cd0165f87770843a133e34668283dca980824033ef954fed7945b9c754fe424