[INFO] crate khalzam 0.3.8 is already in cache
[INFO] extracting crate khalzam 0.3.8 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/khalzam/0.3.8
[INFO] extracting crate khalzam 0.3.8 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/khalzam/0.3.8
[INFO] validating manifest of khalzam-0.3.8 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of khalzam-0.3.8 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing khalzam-0.3.8
[INFO] finished frobbing khalzam-0.3.8
[INFO] frobbed toml for khalzam-0.3.8 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/khalzam/0.3.8/Cargo.toml
[INFO] started frobbing khalzam-0.3.8
[INFO] finished frobbing khalzam-0.3.8
[INFO] frobbed toml for khalzam-0.3.8 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/khalzam/0.3.8/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking khalzam-0.3.8 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-6/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/khalzam/0.3.8:/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=forbid" "-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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2a2fd76d5c8d6ddb2a0d0b83d343ca3e0fe2466d9f7e585ade194cbc7bea133d
[INFO] running `"docker" "start" "-a" "2a2fd76d5c8d6ddb2a0d0b83d343ca3e0fe2466d9f7e585ade194cbc7bea133d"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking strength_reduce v0.2.2
[INFO] [stderr]     Checking rustfft v3.0.0
[INFO] [stderr]     Checking khalzam v0.3.8 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/db/pg.rs:50:73
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn index(&self, song: &str, hash_array: &[usize]) -> Result<(), Box<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/db/pg.rs:69:72
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn find(&self, hash_array: &[usize]) -> Result<Option<String>, Box<Error>> {
[INFO] [stderr]    |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/db/pg.rs:125:53
[INFO] [stderr]     |
[INFO] [stderr] 125 |     fn delete(&self, song: &str) -> Result<u64, Box<Error>> {
[INFO] [stderr]     |                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/db/mod.rs:9:73
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn index(&self, song: &str, hash_array: &[usize]) -> Result<(), Box<Error>>;
[INFO] [stderr]   |                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/db/mod.rs:11:72
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn find(&self, hash_array: &[usize]) -> Result<Option<String>, Box<Error>>; // It may be better to replace String result with generic.
[INFO] [stderr]    |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/db/mod.rs:13:53
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn delete(&self, song: &str) -> Result<u64, Box<Error>>;
[INFO] [stderr]    |                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fingerprint.rs:29:78
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn calc_fingerprint(&self, filename: &str) -> Result<Vec<usize>, Box<Error>> {
[INFO] [stderr]    |                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fingerprint.rs:52:55
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn decode_mp3(filename: &str) -> Result<Vec<f32>, Box<Error>> {
[INFO] [stderr]    |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:39:57
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn add(&self, filename: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:48:67
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn recognize(&self, filename: &str) -> Result<String, Box<Error>> {
[INFO] [stderr]    |                                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:59:64
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn delete(&self, songname: &str) -> Result<String, Box<Error>> {
[INFO] [stderr]    |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:68:54
[INFO] [stderr]    |
[INFO] [stderr] 68 | fn check_extension(filename: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:85:55
[INFO] [stderr]    |
[INFO] [stderr] 85 | fn get_songname(filename: &str) -> Result<String, Box<Error>> {
[INFO] [stderr]    |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/db/pg.rs:50:73
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn index(&self, song: &str, hash_array: &[usize]) -> Result<(), Box<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/db/pg.rs:69:72
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn find(&self, hash_array: &[usize]) -> Result<Option<String>, Box<Error>> {
[INFO] [stderr]    |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/db/pg.rs:125:53
[INFO] [stderr]     |
[INFO] [stderr] 125 |     fn delete(&self, song: &str) -> Result<u64, Box<Error>> {
[INFO] [stderr]     |                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/db/mod.rs:9:73
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn index(&self, song: &str, hash_array: &[usize]) -> Result<(), Box<Error>>;
[INFO] [stderr]   |                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/db/mod.rs:11:72
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn find(&self, hash_array: &[usize]) -> Result<Option<String>, Box<Error>>; // It may be better to replace String result with generic.
[INFO] [stderr]    |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/db/mod.rs:13:53
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn delete(&self, song: &str) -> Result<u64, Box<Error>>;
[INFO] [stderr]    |                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fingerprint.rs:29:78
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn calc_fingerprint(&self, filename: &str) -> Result<Vec<usize>, Box<Error>> {
[INFO] [stderr]    |                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fingerprint.rs:52:55
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn decode_mp3(filename: &str) -> Result<Vec<f32>, Box<Error>> {
[INFO] [stderr]    |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:39:57
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn add(&self, filename: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:48:67
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn recognize(&self, filename: &str) -> Result<String, Box<Error>> {
[INFO] [stderr]    |                                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:59:64
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn delete(&self, songname: &str) -> Result<String, Box<Error>> {
[INFO] [stderr]    |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:68:54
[INFO] [stderr]    |
[INFO] [stderr] 68 | fn check_extension(filename: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:85:55
[INFO] [stderr]    |
[INFO] [stderr] 85 | fn get_songname(filename: &str) -> Result<String, Box<Error>> {
[INFO] [stderr]    |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.04s
[INFO] running `"docker" "inspect" "2a2fd76d5c8d6ddb2a0d0b83d343ca3e0fe2466d9f7e585ade194cbc7bea133d"`
[INFO] running `"docker" "rm" "-f" "2a2fd76d5c8d6ddb2a0d0b83d343ca3e0fe2466d9f7e585ade194cbc7bea133d"`
[INFO] [stdout] 2a2fd76d5c8d6ddb2a0d0b83d343ca3e0fe2466d9f7e585ade194cbc7bea133d