[INFO] updating cached repository russmack/voices
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/russmack/voices
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/russmack/voices" "work/ex/beta-1.38-1/sources/1.37.0/gh/russmack/voices"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/russmack/voices'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/russmack/voices" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/russmack/voices"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/russmack/voices'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 68ee0ce9d1d41b189b68524ec968e2415c78d39a
[INFO] sha for GitHub repo russmack/voices: 68ee0ce9d1d41b189b68524ec968e2415c78d39a
[INFO] validating manifest of russmack/voices 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 russmack/voices 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 russmack/voices
[INFO] finished frobbing russmack/voices
[INFO] frobbed toml for russmack/voices written to work/ex/beta-1.38-1/sources/1.37.0/gh/russmack/voices/Cargo.toml
[INFO] started frobbing russmack/voices
[INFO] finished frobbing russmack/voices
[INFO] frobbed toml for russmack/voices written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/russmack/voices/Cargo.toml
[INFO] crate russmack/voices 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 russmack/voices against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/russmack/voices:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 78f750e4c8d5db1a072324d048a2efd29d335333addb39a995fb6f16df90fdf6
[INFO] running `"docker" "start" "-a" "78f750e4c8d5db1a072324d048a2efd29d335333addb39a995fb6f16df90fdf6"`
[INFO] [stderr]    Compiling cfg-if v0.1.4
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling lazy_static v1.0.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling pnet_base v0.21.0
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]    Compiling pnet v0.21.0
[INFO] [stderr]    Compiling ipnetwork v0.12.8
[INFO] [stderr]    Compiling itoa v0.4.2
[INFO] [stderr]    Compiling termcolor v1.0.1
[INFO] [stderr]    Compiling ransidsole v0.1.0
[INFO] [stderr]    Compiling ticker v0.1.1
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]    Compiling pnet_macros_support v0.21.0
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling pnet_sys v0.21.0
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling rand v0.5.4
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling quote v0.6.4
[INFO] [stderr]    Compiling aho-corasick v0.6.6
[INFO] [stderr]    Compiling pnet_datalink v0.21.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling syn v0.14.5
[INFO] [stderr]    Compiling chan v0.1.21
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling env_logger v0.5.11
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]    Compiling chrono v0.4.4
[INFO] [stderr]    Compiling serde_json v1.0.24
[INFO] [stderr]    Compiling ipnetwork v0.13.0
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.21.0
[INFO] [stderr]    Compiling pnet_packet v0.21.0
[INFO] [stderr]    Compiling pnet_transport v0.21.0
[INFO] [stderr]    Compiling voices v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `log_node_str`
[INFO] [stderr]    --> src/manifest.rs:263:1
[INFO] [stderr]     |
[INFO] [stderr] 263 | fn log_node_str(s: &str) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `from_slice`
[INFO] [stderr]    --> src/main.rs:467:1
[INFO] [stderr]     |
[INFO] [stderr] 467 | fn from_slice(bytes: &[u8]) -> [u8; 32] {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `log_writes_str`
[INFO] [stderr]    --> src/main.rs:517:1
[INFO] [stderr]     |
[INFO] [stderr] 517 | fn log_writes_str(s: &str) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 05s
[INFO] running `"docker" "inspect" "78f750e4c8d5db1a072324d048a2efd29d335333addb39a995fb6f16df90fdf6"`
[INFO] running `"docker" "rm" "-f" "78f750e4c8d5db1a072324d048a2efd29d335333addb39a995fb6f16df90fdf6"`
[INFO] [stdout] 78f750e4c8d5db1a072324d048a2efd29d335333addb39a995fb6f16df90fdf6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/russmack/voices:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 00b735a50dff1fcd583037d86fed704410496b830c41a7ea21fb7e130273d7f9
[INFO] running `"docker" "start" "-a" "00b735a50dff1fcd583037d86fed704410496b830c41a7ea21fb7e130273d7f9"`
[INFO] [stderr]    Compiling voices v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `log_node_str`
[INFO] [stderr]    --> src/manifest.rs:263:1
[INFO] [stderr]     |
[INFO] [stderr] 263 | fn log_node_str(s: &str) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `from_slice`
[INFO] [stderr]    --> src/main.rs:467:1
[INFO] [stderr]     |
[INFO] [stderr] 467 | fn from_slice(bytes: &[u8]) -> [u8; 32] {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `log_writes_str`
[INFO] [stderr]    --> src/main.rs:517:1
[INFO] [stderr]     |
[INFO] [stderr] 517 | fn log_writes_str(s: &str) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `"docker" "inspect" "00b735a50dff1fcd583037d86fed704410496b830c41a7ea21fb7e130273d7f9"`
[INFO] running `"docker" "rm" "-f" "00b735a50dff1fcd583037d86fed704410496b830c41a7ea21fb7e130273d7f9"`
[INFO] [stdout] 00b735a50dff1fcd583037d86fed704410496b830c41a7ea21fb7e130273d7f9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/russmack/voices:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] eb6e96a753a79ff0e7b7a8675d8083bb75f8c032bad5850e16d00f84d9ca7aa9
[INFO] running `"docker" "start" "-a" "eb6e96a753a79ff0e7b7a8675d8083bb75f8c032bad5850e16d00f84d9ca7aa9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/voices-defe5a26974aa1f1
[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" "eb6e96a753a79ff0e7b7a8675d8083bb75f8c032bad5850e16d00f84d9ca7aa9"`
[INFO] running `"docker" "rm" "-f" "eb6e96a753a79ff0e7b7a8675d8083bb75f8c032bad5850e16d00f84d9ca7aa9"`
[INFO] [stdout] eb6e96a753a79ff0e7b7a8675d8083bb75f8c032bad5850e16d00f84d9ca7aa9