[INFO] updating cached repository fredrikelfversson/midi-parser [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/fredrikelfversson/midi-parser [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/fredrikelfversson/midi-parser" "work/ex/beta-1.38-1/sources/1.37.0/gh/fredrikelfversson/midi-parser"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/fredrikelfversson/midi-parser'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/fredrikelfversson/midi-parser" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fredrikelfversson/midi-parser"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fredrikelfversson/midi-parser'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8cadd95356835db72e46889bb482a04c5fdb1ffc [INFO] sha for GitHub repo fredrikelfversson/midi-parser: 8cadd95356835db72e46889bb482a04c5fdb1ffc [INFO] validating manifest of fredrikelfversson/midi-parser 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 fredrikelfversson/midi-parser 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 fredrikelfversson/midi-parser [INFO] finished frobbing fredrikelfversson/midi-parser [INFO] frobbed toml for fredrikelfversson/midi-parser written to work/ex/beta-1.38-1/sources/1.37.0/gh/fredrikelfversson/midi-parser/Cargo.toml [INFO] started frobbing fredrikelfversson/midi-parser [INFO] finished frobbing fredrikelfversson/midi-parser [INFO] frobbed toml for fredrikelfversson/midi-parser written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fredrikelfversson/midi-parser/Cargo.toml [INFO] crate fredrikelfversson/midi-parser 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 fredrikelfversson/midi-parser 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-5/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/fredrikelfversson/midi-parser:/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] 0a1992c266920350697de90e460ab816a07787efaae06fc80bcffcf297925de5 [INFO] running `"docker" "start" "-a" "0a1992c266920350697de90e460ab816a07787efaae06fc80bcffcf297925de5"` [INFO] [stderr] Compiling serde_derive v1.0.89 [INFO] [stderr] Compiling serde v1.0.89 [INFO] [stderr] Compiling serde_json v1.0.39 [INFO] [stderr] Compiling midi_parser v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::fs` [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `serde_json` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use serde_json; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `serde_json::Value` [INFO] [stderr] --> src/events.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use serde_json::Value; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `midi_file` [INFO] [stderr] --> src/main.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | let midi_file = stdmidi::read_midi("[filepath]").unwrap(); [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_midi_file` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `event_data_length` [INFO] [stderr] --> src/events.rs:229:38 [INFO] [stderr] | [INFO] [stderr] 229 | pub fn read_meta_event(bytes: &[u8], event_data_length: u32, v_length: u32) -> MetaEvent { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_event_data_length` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `result` is never read [INFO] [stderr] --> src/events.rs:352:13 [INFO] [stderr] | [INFO] [stderr] 352 | let mut result: i8 = 0; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused attribute [INFO] [stderr] --> src/stdmidi.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_attributes)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused attribute [INFO] [stderr] --> src/events.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: structure field `number_MSB` should have a snake case name [INFO] [stderr] --> src/events.rs:83:26 [INFO] [stderr] | [INFO] [stderr] 83 | SequenceNumber {number_MSB: u8, number_LSB: u8}, [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to snake case: `number_msb` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: structure field `number_LSB` should have a snake case name [INFO] [stderr] --> src/events.rs:83:42 [INFO] [stderr] | [INFO] [stderr] 83 | SequenceNumber {number_MSB: u8, number_LSB: u8}, [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to snake case: `number_lsb` [INFO] [stderr] [INFO] [stderr] warning: variable `number_MSB` should have a snake case name [INFO] [stderr] --> src/events.rs:83:26 [INFO] [stderr] | [INFO] [stderr] 83 | SequenceNumber {number_MSB: u8, number_LSB: u8}, [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to snake case: `number_msb` [INFO] [stderr] [INFO] [stderr] warning: variable `number_LSB` should have a snake case name [INFO] [stderr] --> src/events.rs:83:42 [INFO] [stderr] | [INFO] [stderr] 83 | SequenceNumber {number_MSB: u8, number_LSB: u8}, [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to snake case: `number_lsb` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 32.98s [INFO] running `"docker" "inspect" "0a1992c266920350697de90e460ab816a07787efaae06fc80bcffcf297925de5"` [INFO] running `"docker" "rm" "-f" "0a1992c266920350697de90e460ab816a07787efaae06fc80bcffcf297925de5"` [INFO] [stdout] 0a1992c266920350697de90e460ab816a07787efaae06fc80bcffcf297925de5 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/fredrikelfversson/midi-parser:/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] c796eefcd1f007c1581e9bf4db5ad7621637e7083f105d10eeabc21dcc34d8a1 [INFO] running `"docker" "start" "-a" "c796eefcd1f007c1581e9bf4db5ad7621637e7083f105d10eeabc21dcc34d8a1"` [INFO] [stderr] Compiling midi_parser v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::fs` [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `serde_json` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use serde_json; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `serde_json::Value` [INFO] [stderr] --> src/events.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use serde_json::Value; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `midi_file` [INFO] [stderr] --> src/main.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | let midi_file = stdmidi::read_midi("[filepath]").unwrap(); [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_midi_file` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `event_data_length` [INFO] [stderr] --> src/events.rs:229:38 [INFO] [stderr] | [INFO] [stderr] 229 | pub fn read_meta_event(bytes: &[u8], event_data_length: u32, v_length: u32) -> MetaEvent { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_event_data_length` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `result` is never read [INFO] [stderr] --> src/events.rs:352:13 [INFO] [stderr] | [INFO] [stderr] 352 | let mut result: i8 = 0; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused attribute [INFO] [stderr] --> src/stdmidi.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_attributes)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused attribute [INFO] [stderr] --> src/events.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: structure field `number_MSB` should have a snake case name [INFO] [stderr] --> src/events.rs:83:26 [INFO] [stderr] | [INFO] [stderr] 83 | SequenceNumber {number_MSB: u8, number_LSB: u8}, [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to snake case: `number_msb` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: structure field `number_LSB` should have a snake case name [INFO] [stderr] --> src/events.rs:83:42 [INFO] [stderr] | [INFO] [stderr] 83 | SequenceNumber {number_MSB: u8, number_LSB: u8}, [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to snake case: `number_lsb` [INFO] [stderr] [INFO] [stderr] warning: variable `number_MSB` should have a snake case name [INFO] [stderr] --> src/events.rs:83:26 [INFO] [stderr] | [INFO] [stderr] 83 | SequenceNumber {number_MSB: u8, number_LSB: u8}, [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to snake case: `number_msb` [INFO] [stderr] [INFO] [stderr] warning: variable `number_LSB` should have a snake case name [INFO] [stderr] --> src/events.rs:83:42 [INFO] [stderr] | [INFO] [stderr] 83 | SequenceNumber {number_MSB: u8, number_LSB: u8}, [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to snake case: `number_lsb` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.49s [INFO] running `"docker" "inspect" "c796eefcd1f007c1581e9bf4db5ad7621637e7083f105d10eeabc21dcc34d8a1"` [INFO] running `"docker" "rm" "-f" "c796eefcd1f007c1581e9bf4db5ad7621637e7083f105d10eeabc21dcc34d8a1"` [INFO] [stdout] c796eefcd1f007c1581e9bf4db5ad7621637e7083f105d10eeabc21dcc34d8a1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/fredrikelfversson/midi-parser:/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] 4ab6471e64cadc9e1e238f930f13c8aacf6582c9ad4f8b1fa119c0f7f24bfadb [INFO] running `"docker" "start" "-a" "4ab6471e64cadc9e1e238f930f13c8aacf6582c9ad4f8b1fa119c0f7f24bfadb"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/midi_parser-cb6f67fb8dc36ae9 [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" "4ab6471e64cadc9e1e238f930f13c8aacf6582c9ad4f8b1fa119c0f7f24bfadb"` [INFO] running `"docker" "rm" "-f" "4ab6471e64cadc9e1e238f930f13c8aacf6582c9ad4f8b1fa119c0f7f24bfadb"` [INFO] [stdout] 4ab6471e64cadc9e1e238f930f13c8aacf6582c9ad4f8b1fa119c0f7f24bfadb