[INFO] updating cached repository InsidiousMind/spcp
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/InsidiousMind/spcp
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/InsidiousMind/spcp" "work/ex/beta-1.38-1/sources/1.37.0/gh/InsidiousMind/spcp"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/InsidiousMind/spcp'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/InsidiousMind/spcp" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/InsidiousMind/spcp"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/InsidiousMind/spcp'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 157a7a1567f5e8744f22876874b4df2d3b3fec8f
[INFO] sha for GitHub repo InsidiousMind/spcp: 157a7a1567f5e8744f22876874b4df2d3b3fec8f
[INFO] validating manifest of InsidiousMind/spcp 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 InsidiousMind/spcp 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 InsidiousMind/spcp
[INFO] finished frobbing InsidiousMind/spcp
[INFO] frobbed toml for InsidiousMind/spcp written to work/ex/beta-1.38-1/sources/1.37.0/gh/InsidiousMind/spcp/Cargo.toml
[INFO] started frobbing InsidiousMind/spcp
[INFO] finished frobbing InsidiousMind/spcp
[INFO] frobbed toml for InsidiousMind/spcp written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/InsidiousMind/spcp/Cargo.toml
[INFO] crate InsidiousMind/spcp 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 InsidiousMind/spcp 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/InsidiousMind/spcp:/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] 571320e37478da40acbd22949000ab6c060fa86bfcfbef570f694cc58f313b28
[INFO] running `"docker" "start" "-a" "571320e37478da40acbd22949000ab6c060fa86bfcfbef570f694cc58f313b28"`
[INFO] [stderr]    Compiling spcp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(associated_consts)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(concat_idents)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(type_ascription)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `state::State`
[INFO] [stderr]  --> src/macros.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use state::State;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SPC_DSP::counter_mask`
[INFO] [stderr]  --> src/macros.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use SPC_DSP::counter_mask;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `sample_t` should have an upper camel case name
[INFO] [stderr]  --> src/lib.rs:9:10
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub type sample_t = i16;
[INFO] [stderr]   |          ^^^^^^^^ help: convert the identifier to upper camel case: `SampleT`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ptr`
[INFO] [stderr]  --> src/SPC_DSP.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ptr;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `state::NULL_U8 as NULL_U8`
[INFO] [stderr]  --> src/SPC_DSP.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use state::NULL_U8 as NULL_U8;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `macros`
[INFO] [stderr]   --> src/SPC_DSP.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use macros;
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `SPC_DSP` should have an upper camel case name
[INFO] [stderr]   --> src/SPC_DSP.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub struct SPC_DSP {
[INFO] [stderr]    |            ^^^^^^^ help: convert the identifier to upper camel case: `SpcDsp`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/SPC_DSP.rs:97:26
[INFO] [stderr]    |
[INFO] [stderr] 97 |         self.m.set_phase((new_phase & 31)); //raises can't mutably borrow immutable field
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `config::*`
[INFO] [stderr]  --> src/voice.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use config::*;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `macros`
[INFO] [stderr]  --> src/state.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use macros;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Add`
[INFO] [stderr]  --> src/state.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::Add;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ptr`
[INFO] [stderr]  --> src/state.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::ptr;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `config::*`
[INFO] [stderr]   --> src/state.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use config::*;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `sample_t` should have an upper camel case name
[INFO] [stderr]   --> src/state.rs:18:10
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub type sample_t = i16;
[INFO] [stderr]    |          ^^^^^^^^ help: convert the identifier to upper camel case: `SampleT`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `r_mvoll` should have an upper camel case name
[INFO] [stderr]  --> src/registers.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     r_mvoll = 0x0C,
[INFO] [stderr]   |     ^^^^^^^ help: convert the identifier to upper camel case: `RMvoll`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `r_mvolr` should have an upper camel case name
[INFO] [stderr]  --> src/registers.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     r_mvolr = 0x1C,
[INFO] [stderr]   |     ^^^^^^^ help: convert the identifier to upper camel case: `RMvolr`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `r_evoll` should have an upper camel case name
[INFO] [stderr]  --> src/registers.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     r_evoll = 0x2C,
[INFO] [stderr]   |     ^^^^^^^ help: convert the identifier to upper camel case: `REvoll`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `r_evolr` should have an upper camel case name
[INFO] [stderr]  --> src/registers.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     r_evolr = 0x3C,
[INFO] [stderr]   |     ^^^^^^^ help: convert the identifier to upper camel case: `REvolr`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `r_kon` should have an upper camel case name
[INFO] [stderr]  --> src/registers.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     r_kon = 0x4C,
[INFO] [stderr]   |     ^^^^^ help: convert the identifier to upper camel case: `RKon`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `r_koff` should have an upper camel case name
[INFO] [stderr]   --> src/registers.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     r_koff = 0x5C,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `RKoff`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `r_flg` should have an upper camel case name
[INFO] [stderr]   --> src/registers.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     r_flg = 0x6C,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `RFlg`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `r_endx` should have an upper camel case name
[INFO] [stderr]   --> src/registers.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     r_endx = 0x7C,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `REndx`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `r_efb` should have an upper camel case name
[INFO] [stderr]   --> src/registers.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     r_efb = 0x0D,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `REfb`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `r_pmon` should have an upper camel case name
[INFO] [stderr]   --> src/registers.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     r_pmon = 0x2D,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `RPmon`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `r_non` should have an upper camel case name
[INFO] [stderr]   --> src/registers.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     r_non = 0x3D,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `RNon`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `r_eon` should have an upper camel case name
[INFO] [stderr]   --> src/registers.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     r_eon = 0x4D,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `REon`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `r_dir` should have an upper camel case name
[INFO] [stderr]   --> src/registers.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     r_dir = 0x5D,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `RDir`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `r_esa` should have an upper camel case name
[INFO] [stderr]   --> src/registers.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     r_esa = 0x6D,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `REsa`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `r_edl` should have an upper camel case name
[INFO] [stderr]   --> src/registers.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     r_edl = 0x7D,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `REdl`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `r_fir` should have an upper camel case name
[INFO] [stderr]   --> src/registers.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     r_fir = 0x0F, // 8 coefficients at 0x0F, 0x1F ... 0x7F
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `RFir`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `v_voll` should have an upper camel case name
[INFO] [stderr]   --> src/registers.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     v_voll = 0x00,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `VVoll`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `v_volr` should have an upper camel case name
[INFO] [stderr]   --> src/registers.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     v_volr = 0x01,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `VVolr`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `v_pitchl` should have an upper camel case name
[INFO] [stderr]   --> src/registers.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     v_pitchl = 0x02,
[INFO] [stderr]    |     ^^^^^^^^ help: convert the identifier to upper camel case: `VPitchl`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `v_pitchh` should have an upper camel case name
[INFO] [stderr]   --> src/registers.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     v_pitchh = 0x03,
[INFO] [stderr]    |     ^^^^^^^^ help: convert the identifier to upper camel case: `VPitchh`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `v_srcn` should have an upper camel case name
[INFO] [stderr]   --> src/registers.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     v_srcn = 0x04,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `VSrcn`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `v_adsr0` should have an upper camel case name
[INFO] [stderr]   --> src/registers.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     v_adsr0 = 0x05,
[INFO] [stderr]    |     ^^^^^^^ help: convert the identifier to upper camel case: `VAdsr0`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `v_adsr1` should have an upper camel case name
[INFO] [stderr]   --> src/registers.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     v_adsr1 = 0x06,
[INFO] [stderr]    |     ^^^^^^^ help: convert the identifier to upper camel case: `VAdsr1`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `v_gain` should have an upper camel case name
[INFO] [stderr]   --> src/registers.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     v_gain = 0x07,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `VGain`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `v_envx` should have an upper camel case name
[INFO] [stderr]   --> src/registers.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     v_envx = 0x08,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `VEnvx`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `v_outx` should have an upper camel case name
[INFO] [stderr]   --> src/registers.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     v_outx = 0x09,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `VOutx`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `env_release` should have an upper camel case name
[INFO] [stderr]   --> src/registers.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     env_release,
[INFO] [stderr]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `EnvRelease`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `env_attack` should have an upper camel case name
[INFO] [stderr]   --> src/registers.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     env_attack,
[INFO] [stderr]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `EnvAttack`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `env_decay` should have an upper camel case name
[INFO] [stderr]   --> src/registers.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     env_decay,
[INFO] [stderr]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `EnvDecay`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `env_sustain` should have an upper camel case name
[INFO] [stderr]   --> src/registers.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     env_sustain,
[INFO] [stderr]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `EnvSustain`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `spcp`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "571320e37478da40acbd22949000ab6c060fa86bfcfbef570f694cc58f313b28"`
[INFO] running `"docker" "rm" "-f" "571320e37478da40acbd22949000ab6c060fa86bfcfbef570f694cc58f313b28"`
[INFO] [stdout] 571320e37478da40acbd22949000ab6c060fa86bfcfbef570f694cc58f313b28