[INFO] crate vgmdb-rust 0.2.1 is already in cache
[INFO] extracting crate vgmdb-rust 0.2.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/vgmdb-rust/0.2.1
[INFO] extracting crate vgmdb-rust 0.2.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/vgmdb-rust/0.2.1
[INFO] validating manifest of vgmdb-rust-0.2.1 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 vgmdb-rust-0.2.1 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 vgmdb-rust-0.2.1
[INFO] finished frobbing vgmdb-rust-0.2.1
[INFO] frobbed toml for vgmdb-rust-0.2.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/vgmdb-rust/0.2.1/Cargo.toml
[INFO] started frobbing vgmdb-rust-0.2.1
[INFO] finished frobbing vgmdb-rust-0.2.1
[INFO] frobbed toml for vgmdb-rust-0.2.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/vgmdb-rust/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 vgmdb-rust-0.2.1 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/vgmdb-rust/0.2.1:/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] 69807cd145f6ed5e9fa8d84bf76a7b27260bf638b8b8749dafd5830abff4f58e
[INFO] running `"docker" "start" "-a" "69807cd145f6ed5e9fa8d84bf76a7b27260bf638b8b8749dafd5830abff4f58e"`
[INFO] [stderr]    Compiling argparse v0.2.2
[INFO] [stderr]    Compiling flate2 v1.0.11
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling id3 v0.3.0
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]    Compiling vgmdb-rust v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/vgmdb/io.rs:47:43
[INFO] [stderr]    |
[INFO] [stderr] 47 |        , tracks: d.tracks.into_iter().zip((1..)).map(|(t,i)|  convert_track(t, i) ).collect()
[INFO] [stderr]    |                                           ^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/vgmdb/io.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |     for part in ( time.rsplit(":") ) {
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vgmdb/errors.rs:43:32
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vgmdb/errors.rs:45:57
[INFO] [stderr]    |
[INFO] [stderr] 45 |             CmdError::UtfError(ref err) => Some(err as &Error),
[INFO] [stderr]    |                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vgmdb/errors.rs:46:57
[INFO] [stderr]    |
[INFO] [stderr] 46 |             CmdError::IoError(ref err)  => Some(err as &Error),
[INFO] [stderr]    |                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/vgmdb/data.rs:55:44
[INFO] [stderr]    |
[INFO] [stderr] 55 |         for (d,i) in self.discs.iter().zip((1..)) {
[INFO] [stderr]    |                                            ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 1 parameter but 2 parameters were supplied
[INFO] [stderr]    --> src/main.rs:112:13
[INFO] [stderr]     |
[INFO] [stderr] 112 |         tag.add_comment("", comment);
[INFO] [stderr]     |             ^^^^^^^^^^^ expected 1 parameter
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `save` found for type `id3::Tag` in the current scope
[INFO] [stderr]    --> src/main.rs:114:20
[INFO] [stderr]     |
[INFO] [stderr] 114 |         match  tag.save() {
[INFO] [stderr]     |                    ^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `add_text_frame` found for type `&mut id3::Tag` in the current scope
[INFO] [stderr]    --> src/main.rs:126:7
[INFO] [stderr]     |
[INFO] [stderr] 126 |     t.add_text_frame("TDRC", format!("{}", year));
[INFO] [stderr]     |       ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `add_text_frame` found for type `&mut id3::Tag` in the current scope
[INFO] [stderr]    --> src/main.rs:130:7
[INFO] [stderr]     |
[INFO] [stderr] 130 |     t.add_text_frame("TDRL", format!("{}", date));
[INFO] [stderr]     |       ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude`
[INFO] [stderr]  --> src/vgmdb/io.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0061, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0061`.
[INFO] [stderr] error: Could not compile `vgmdb-rust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "69807cd145f6ed5e9fa8d84bf76a7b27260bf638b8b8749dafd5830abff4f58e"`
[INFO] running `"docker" "rm" "-f" "69807cd145f6ed5e9fa8d84bf76a7b27260bf638b8b8749dafd5830abff4f58e"`
[INFO] [stdout] 69807cd145f6ed5e9fa8d84bf76a7b27260bf638b8b8749dafd5830abff4f58e