[INFO] fetching crate khalzam 0.3.9...
[INFO] checking khalzam-0.3.9 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate khalzam 0.3.9 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate khalzam 0.3.9 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate khalzam 0.3.9
[INFO] finished tweaking crates.io crate khalzam 0.3.9
[INFO] tweaked toml for crates.io crate khalzam 0.3.9 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de20c725d80fde3d41a0b5a19e813128286ad71f235ea556de0b854d60541a34
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "de20c725d80fde3d41a0b5a19e813128286ad71f235ea556de0b854d60541a34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de20c725d80fde3d41a0b5a19e813128286ad71f235ea556de0b854d60541a34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de20c725d80fde3d41a0b5a19e813128286ad71f235ea556de0b854d60541a34", kill_on_drop: false }`
[INFO] [stdout] de20c725d80fde3d41a0b5a19e813128286ad71f235ea556de0b854d60541a34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5d079928621f0dd70e3574f64b169d7ef8984685292f8e4ae773d26bc4593a33
[INFO] running `Command { std: "docker" "start" "-a" "5d079928621f0dd70e3574f64b169d7ef8984685292f8e4ae773d26bc4593a33", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking transpose v0.1.0
[INFO] [stderr]     Checking strength_reduce v0.2.3
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
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[INFO] [stderr]     Checking rayon-core v1.9.0
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[INFO] [stderr]     Checking postgres-protocol v0.4.1
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[INFO] [stderr]     Checking mio-uds v0.6.8
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[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling darling_core v0.8.6
[INFO] [stderr]    Compiling darling_macro v0.8.6
[INFO] [stderr]    Compiling darling v0.8.6
[INFO] [stderr]    Compiling derive_state_machine_future v0.2.0
[INFO] [stderr]     Checking state_machine_future v0.2.0
[INFO] [stderr]     Checking tokio-postgres v0.4.0-rc.3
[INFO] [stderr]     Checking postgres v0.16.0-rc.2
[INFO] [stderr]     Checking r2d2_postgres v0.15.0-rc.1
[INFO] [stderr]     Checking khalzam v0.3.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/db/pg.rs:51:73
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn index(&self, song: &str, hash_array: &[usize]) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/db/pg.rs:71:72
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn find(&self, hash_array: &[usize]) -> Result<Option<String>, Box<Error>> {
[INFO] [stdout]    |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/db/pg.rs:131:53
[INFO] [stdout]     |
[INFO] [stdout] 131 |     fn delete(&self, song: &str) -> Result<u64, Box<Error>> {
[INFO] [stdout]     |                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/db/mod.rs:9:73
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn index(&self, song: &str, hash_array: &[usize]) -> Result<(), Box<Error>>;
[INFO] [stdout]   |                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/db/mod.rs:11:72
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn find(&self, hash_array: &[usize]) -> Result<Option<String>, Box<Error>>; // It may be better to replace String result with generic.
[INFO] [stdout]    |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/db/mod.rs:13:53
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn delete(&self, song: &str) -> Result<u64, Box<Error>>;
[INFO] [stdout]    |                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fingerprint.rs:30:78
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn calc_fingerprint(&self, filename: &str) -> Result<Vec<usize>, Box<Error>> {
[INFO] [stdout]    |                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fingerprint.rs:53:55
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn decode_mp3(filename: &str) -> Result<Vec<f32>, Box<Error>> {
[INFO] [stdout]    |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:40:57
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn add(&self, filename: &str) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:49:67
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn recognize(&self, filename: &str) -> Result<String, Box<Error>> {
[INFO] [stdout]    |                                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:60:64
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn delete(&self, songname: &str) -> Result<String, Box<Error>> {
[INFO] [stdout]    |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:69:54
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn check_extension(filename: &str) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:86:55
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn get_songname(filename: &str) -> Result<String, Box<Error>> {
[INFO] [stdout]    |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/db/pg.rs:51:73
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn index(&self, song: &str, hash_array: &[usize]) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/db/pg.rs:71:72
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn find(&self, hash_array: &[usize]) -> Result<Option<String>, Box<Error>> {
[INFO] [stdout]    |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/db/pg.rs:131:53
[INFO] [stdout]     |
[INFO] [stdout] 131 |     fn delete(&self, song: &str) -> Result<u64, Box<Error>> {
[INFO] [stdout]     |                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/db/mod.rs:9:73
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn index(&self, song: &str, hash_array: &[usize]) -> Result<(), Box<Error>>;
[INFO] [stdout]   |                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/db/mod.rs:11:72
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn find(&self, hash_array: &[usize]) -> Result<Option<String>, Box<Error>>; // It may be better to replace String result with generic.
[INFO] [stdout]    |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/db/mod.rs:13:53
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn delete(&self, song: &str) -> Result<u64, Box<Error>>;
[INFO] [stdout]    |                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fingerprint.rs:30:78
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn calc_fingerprint(&self, filename: &str) -> Result<Vec<usize>, Box<Error>> {
[INFO] [stdout]    |                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fingerprint.rs:53:55
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn decode_mp3(filename: &str) -> Result<Vec<f32>, Box<Error>> {
[INFO] [stdout]    |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:40:57
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn add(&self, filename: &str) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:49:67
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn recognize(&self, filename: &str) -> Result<String, Box<Error>> {
[INFO] [stdout]    |                                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:60:64
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn delete(&self, songname: &str) -> Result<String, Box<Error>> {
[INFO] [stdout]    |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:69:54
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn check_extension(filename: &str) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:86:55
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn get_songname(filename: &str) -> Result<String, Box<Error>> {
[INFO] [stdout]    |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.95s
[INFO] running `Command { std: "docker" "inspect" "5d079928621f0dd70e3574f64b169d7ef8984685292f8e4ae773d26bc4593a33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d079928621f0dd70e3574f64b169d7ef8984685292f8e4ae773d26bc4593a33", kill_on_drop: false }`
[INFO] [stdout] 5d079928621f0dd70e3574f64b169d7ef8984685292f8e4ae773d26bc4593a33