[INFO] updating cached repository https://github.com/orac/name-maker
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5dfad596561690d176aa96ee74e698c3199ea616
[INFO] testing orac/name-maker against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Forac%2Fname-maker" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/orac/name-maker on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/orac/name-maker
[INFO] finished tweaking git repo https://github.com/orac/name-maker
[INFO] tweaked toml for git repo https://github.com/orac/name-maker written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/orac/name-maker already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] dade23b69881029c3239a24d31c755bc31b0b5d88bc43ac1f63857354926d41c
[INFO] running `"docker" "start" "-a" "dade23b69881029c3239a24d31c755bc31b0b5d88bc43ac1f63857354926d41c"`
[INFO] [stderr]    Compiling libc v0.2.17
[INFO] [stderr]    Compiling strsim v0.5.1
[INFO] [stderr]    Compiling unicode-segmentation v0.1.2
[INFO] [stderr]    Compiling unicode-width v0.1.3
[INFO] [stderr]    Compiling term_size v0.2.1
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling clap v2.18.0
[INFO] [stderr]    Compiling name-maker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: missing fragment specifier
[INFO] [stderr]    --> <::clap::macros::clap_app macros>:120:46
[INFO] [stderr]     |
[INFO] [stderr] 120 | (@ 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 11.24s
[INFO] running `"docker" "inspect" "dade23b69881029c3239a24d31c755bc31b0b5d88bc43ac1f63857354926d41c"`
[INFO] running `"docker" "rm" "-f" "dade23b69881029c3239a24d31c755bc31b0b5d88bc43ac1f63857354926d41c"`
[INFO] [stdout] dade23b69881029c3239a24d31c755bc31b0b5d88bc43ac1f63857354926d41c
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9d03a8c32037baa944df63d31090163db6247498dd4cea9265dd55bb9805835e
[INFO] running `"docker" "start" "-a" "9d03a8c32037baa944df63d31090163db6247498dd4cea9265dd55bb9805835e"`
[INFO] [stderr]    Compiling name-maker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: missing fragment specifier
[INFO] [stderr]    --> <::clap::macros::clap_app macros>:120:46
[INFO] [stderr]     |
[INFO] [stderr] 120 | (@ 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 0.69s
[INFO] running `"docker" "inspect" "9d03a8c32037baa944df63d31090163db6247498dd4cea9265dd55bb9805835e"`
[INFO] running `"docker" "rm" "-f" "9d03a8c32037baa944df63d31090163db6247498dd4cea9265dd55bb9805835e"`
[INFO] [stdout] 9d03a8c32037baa944df63d31090163db6247498dd4cea9265dd55bb9805835e
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 256f4285b1b45a2e72dca64bebfced90c36cc53be9f470987687194d17a4e302
[INFO] running `"docker" "start" "-a" "256f4285b1b45a2e72dca64bebfced90c36cc53be9f470987687194d17a4e302"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/name_maker-fcaf292b2d4cd25b
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_frequency_table::singleton ... ok
[INFO] [stdout] test test_data::singleton_title_case ... 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" "256f4285b1b45a2e72dca64bebfced90c36cc53be9f470987687194d17a4e302"`
[INFO] running `"docker" "rm" "-f" "256f4285b1b45a2e72dca64bebfced90c36cc53be9f470987687194d17a4e302"`
[INFO] [stdout] 256f4285b1b45a2e72dca64bebfced90c36cc53be9f470987687194d17a4e302