[INFO] cloning repository https://github.com/ruuda/mindec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ruuda/mindec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruuda%2Fmindec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruuda%2Fmindec'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0e9fcf71e0c6338fa626cd5d053a594b0272b9d8
[INFO] testing ruuda/mindec against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruuda%2Fmindec" "/workspace/builds/worker-80/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-80/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ruuda/mindec on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-80/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/ruuda/mindec
[INFO] finished tweaking git repo https://github.com/ruuda/mindec
[INFO] tweaked toml for git repo https://github.com/ruuda/mindec written to /workspace/builds/worker-80/source/Cargo.toml
[INFO] crate git repo https://github.com/ruuda/mindec already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/ruuda/claxon`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tiny_http v0.7.0
[INFO] [stderr]   Downloaded crossbeam v0.3.2
[INFO] [stderr]   Downloaded sqlite3-sys v0.13.0
[INFO] [stderr]   Downloaded sqlite v0.26.0
[INFO] [stderr]   Downloaded bs1770 v1.0.0
[INFO] [stderr]   Downloaded sqlite3-src v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62f50a24ddc12f45a830321b9d751158d105052d6b3c7503bd7c50ade7098d8b
[INFO] running `Command { std: "docker" "start" "-a" "62f50a24ddc12f45a830321b9d751158d105052d6b3c7503bd7c50ade7098d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62f50a24ddc12f45a830321b9d751158d105052d6b3c7503bd7c50ade7098d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62f50a24ddc12f45a830321b9d751158d105052d6b3c7503bd7c50ade7098d8b", kill_on_drop: false }`
[INFO] [stdout] 62f50a24ddc12f45a830321b9d751158d105052d6b3c7503bd7c50ade7098d8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 688a98ecd7249d90fe1995dbcdfe48ff415bdf11c3a308d91d1ca382be532973
[INFO] running `Command { std: "docker" "start" "-a" "688a98ecd7249d90fe1995dbcdfe48ff415bdf11c3a308d91d1ca382be532973", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling tinyvec v0.3.3
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling ascii v1.0.0
[INFO] [stderr]    Compiling chunked_transfer v1.2.0
[INFO] [stderr]    Compiling bs1770 v1.0.0
[INFO] [stderr]    Compiling crossbeam v0.3.2
[INFO] [stderr]    Compiling claxon v0.4.3 (https://github.com/ruuda/claxon?rev=1f868774a250f5937ae70c868d77d1b1479f1831#1f868774)
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling alsa-sys v0.3.0
[INFO] [stderr]    Compiling sqlite3-src v0.3.0
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling sqlite3-sys v0.13.0
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling sqlite v0.26.0
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling tiny_http v0.7.0
[INFO] [stderr]    Compiling alsa v0.4.2
[INFO] [stderr]    Compiling musium v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `value_slices`
[INFO] [stdout]   --> src/search.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 |     value_slices: &'a [Values],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]    --> src/search.rs:106:12
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn len(&self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/player.rs:329:35
[INFO] [stdout]     |
[INFO] [stdout] 329 |             None => panic!("Track {} does not exist, how did it end up queued?"),
[INFO] [stdout]     |                                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 329 |             None => panic!("Track {} does not exist, how did it end up queued?", ...),
[INFO] [stdout]     |                                                                                +++++
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 329 |             None => panic!("{}", "Track {} does not exist, how did it end up queued?"),
[INFO] [stdout]     |                            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/playback.rs:218:21
[INFO] [stdout]     |
[INFO] [stdout] 218 |                     &mut dst[..n].copy_from_slice(&src[..n]);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 218 |                     let _ = &mut dst[..n].copy_from_slice(&src[..n]);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.62s
[INFO] running `Command { std: "docker" "inspect" "688a98ecd7249d90fe1995dbcdfe48ff415bdf11c3a308d91d1ca382be532973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "688a98ecd7249d90fe1995dbcdfe48ff415bdf11c3a308d91d1ca382be532973", kill_on_drop: false }`
[INFO] [stdout] 688a98ecd7249d90fe1995dbcdfe48ff415bdf11c3a308d91d1ca382be532973
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9141b9a99e7b85ea90c80ea88f7647ba9c386ce5fb441b6fb3d4af27d6465b20
[INFO] running `Command { std: "docker" "start" "-a" "9141b9a99e7b85ea90c80ea88f7647ba9c386ce5fb441b6fb3d4af27d6465b20", kill_on_drop: false }`
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling tinyvec v0.3.3
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling ascii v1.0.0
[INFO] [stderr]    Compiling chunked_transfer v1.2.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling claxon v0.4.3 (https://github.com/ruuda/claxon?rev=1f868774a250f5937ae70c868d77d1b1479f1831#1f868774)
[INFO] [stderr]    Compiling bs1770 v1.0.0
[INFO] [stderr]    Compiling crossbeam v0.3.2
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling sqlite3-src v0.3.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling alsa-sys v0.3.0
[INFO] [stderr]    Compiling sqlite3-sys v0.13.0
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling sqlite v0.26.0
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling tiny_http v0.7.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling alsa v0.4.2
[INFO] [stderr]    Compiling musium v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `value_slices`
[INFO] [stdout]   --> src/search.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 |     value_slices: &'a [Values],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]    --> src/search.rs:106:12
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn len(&self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/player.rs:329:35
[INFO] [stdout]     |
[INFO] [stdout] 329 |             None => panic!("Track {} does not exist, how did it end up queued?"),
[INFO] [stdout]     |                                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 329 |             None => panic!("Track {} does not exist, how did it end up queued?", ...),
[INFO] [stdout]     |                                                                                +++++
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 329 |             None => panic!("{}", "Track {} does not exist, how did it end up queued?"),
[INFO] [stdout]     |                            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/playback.rs:218:21
[INFO] [stdout]     |
[INFO] [stdout] 218 |                     &mut dst[..n].copy_from_slice(&src[..n]);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 218 |                     let _ = &mut dst[..n].copy_from_slice(&src[..n]);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value_slices`
[INFO] [stdout]   --> src/search.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 |     value_slices: &'a [Values],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]    --> src/search.rs:106:12
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn len(&self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/player.rs:329:35
[INFO] [stdout]     |
[INFO] [stdout] 329 |             None => panic!("Track {} does not exist, how did it end up queued?"),
[INFO] [stdout]     |                                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 329 |             None => panic!("Track {} does not exist, how did it end up queued?", ...),
[INFO] [stdout]     |                                                                                +++++
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 329 |             None => panic!("{}", "Track {} does not exist, how did it end up queued?"),
[INFO] [stdout]     |                            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/playback.rs:218:21
[INFO] [stdout]     |
[INFO] [stdout] 218 |                     &mut dst[..n].copy_from_slice(&src[..n]);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 218 |                     let _ = &mut dst[..n].copy_from_slice(&src[..n]);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 22.52s
[INFO] running `Command { std: "docker" "inspect" "9141b9a99e7b85ea90c80ea88f7647ba9c386ce5fb441b6fb3d4af27d6465b20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9141b9a99e7b85ea90c80ea88f7647ba9c386ce5fb441b6fb3d4af27d6465b20", kill_on_drop: false }`
[INFO] [stdout] 9141b9a99e7b85ea90c80ea88f7647ba9c386ce5fb441b6fb3d4af27d6465b20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 16a9e9bacfdedc74c0b58f19182dd1b6c99576476cbf4b606c840484e9f32060
[INFO] running `Command { std: "docker" "start" "-a" "16a9e9bacfdedc74c0b58f19182dd1b6c99576476cbf4b606c840484e9f32060", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: field is never read: `value_slices`
[INFO] [stderr]   --> src/search.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     value_slices: &'a [Values],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `len`
[INFO] [stderr]    --> src/search.rs:106:12
[INFO] [stderr]     |
[INFO] [stderr] 106 |     pub fn len(&self) -> usize {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/player.rs:329:35
[INFO] [stderr]     |
[INFO] [stderr] 329 |             None => panic!("Track {} does not exist, how did it end up queued?"),
[INFO] [stderr]     |                                   ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 329 |             None => panic!("Track {} does not exist, how did it end up queued?", ...),
[INFO] [stderr]     |                                                                                +++++
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 329 |             None => panic!("{}", "Track {} does not exist, how did it end up queued?"),
[INFO] [stderr]     |                            +++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/playback.rs:218:21
[INFO] [stderr]     |
[INFO] [stderr] 218 |                     &mut dst[..n].copy_from_slice(&src[..n]);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 218 |                     let _ = &mut dst[..n].copy_from_slice(&src[..n]);
[INFO] [stderr]     |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `musium` (lib) generated 4 warnings
[INFO] [stderr] warning: `musium` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.54s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/musium-afb258ffe1bfe446)
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test album_table::tests::album_table_insert_then_get_all_collisions ... ok
[INFO] [stdout] test album_table::tests::album_table_insert_then_get_some_collisions ... ok
[INFO] [stdout] test album_table::tests::album_table_insert_then_get_no_collisions ... ok
[INFO] [stdout] test album_table::tests::album_table_offset_non_wrapping ... ok
[INFO] [stdout] test album_table::tests::album_table_offset_wrapping ... ok
[INFO] [stdout] test build::tests::format_date_formats_year_and_month ... ok
[INFO] [stdout] test build::tests::format_date_formats_year_and_month_and_day ... ok
[INFO] [stdout] test build::tests::format_date_formats_year_only ... ok
[INFO] [stdout] test build::tests::parse_date_parses_day ... ok
[INFO] [stdout] test build::tests::parse_date_parses_month ... ok
[INFO] [stdout] test build::tests::parse_date_parses_year ... ok
[INFO] [stdout] test config::test::config_can_be_parsed ... ok
[INFO] [stdout] test prim::struct_sizes_are_as_expected ... ok
[INFO] [stdout] test word_index::test::test_build_word_index_all_unique ... ok
[INFO] [stdout] test word_index::test::test_search_bounds ... ok
[INFO] [stdout] test word_index::test::test_search_prefix_regression ... ok
[INFO] [stdout] test word_index::test::test_word_meta_fits_u32 ... ok
[INFO] [stdout] test word_index::test::test_build_word_index_many_per_word ... ok
[INFO] [stdout] test word_index::test::test_search_multibyte_needles ... ok
[INFO] [stdout] test word_index::test::test_search_multibyte_key ... ok
[INFO] [stdout] test word_index::test::test_search_prefix_shorter ... ok
[INFO] [stdout] test word_index::test::test_search_exact ... ok
[INFO] [stdout] test word_index::test::test_search_prefix_longer ... ok
[INFO] [stdout] test scan::test::get_updates_different_mtime ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/musium-d58cf33c3669963e)
[INFO] [stdout] test scan::test::get_updates_empty_db ... ok
[INFO] [stdout] test scan::test::get_updates_nothing_changed ... ok
[INFO] [stdout] test scan::test::get_updates_memcmp_order ... ok
[INFO] [stdout] test scan::test::get_updates_sort_order ... ok
[INFO] [stdout] test scan::test::get_updates_add_remove ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests musium
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "16a9e9bacfdedc74c0b58f19182dd1b6c99576476cbf4b606c840484e9f32060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16a9e9bacfdedc74c0b58f19182dd1b6c99576476cbf4b606c840484e9f32060", kill_on_drop: false }`
[INFO] [stdout] 16a9e9bacfdedc74c0b58f19182dd1b6c99576476cbf4b606c840484e9f32060