[INFO] fetching crate songbird 0.2.0...
[INFO] testing songbird-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate songbird 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate songbird 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate songbird 0.2.0
[INFO] finished tweaking crates.io crate songbird 0.2.0
[INFO] tweaked toml for crates.io crate songbird 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 532fc9bc2dcca64d6de175d2dc1a565f9a8a7074549308dbcb09d5fb799cee82
[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" "532fc9bc2dcca64d6de175d2dc1a565f9a8a7074549308dbcb09d5fb799cee82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "532fc9bc2dcca64d6de175d2dc1a565f9a8a7074549308dbcb09d5fb799cee82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "532fc9bc2dcca64d6de175d2dc1a565f9a8a7074549308dbcb09d5fb799cee82", kill_on_drop: false }`
[INFO] [stdout] 532fc9bc2dcca64d6de175d2dc1a565f9a8a7074549308dbcb09d5fb799cee82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efdf7e8a4be4a3d622ebc6e7cb789f585c0293e57739b044f3f66575e4f30a15
[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" "efdf7e8a4be4a3d622ebc6e7cb789f585c0293e57739b044f3f66575e4f30a15", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling serenity v0.10.9
[INFO] [stderr]    Compiling zeroize v1.3.0
[INFO] [stderr]    Compiling pnet_base v0.28.0
[INFO] [stderr]    Compiling typemap_rev v0.1.5
[INFO] [stderr]    Compiling songbird v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling spin_sleep v1.0.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling input_buffer v0.4.0
[INFO] [stderr]    Compiling http-body v0.4.3
[INFO] [stderr]    Compiling spin v0.9.2
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling audiopus_sys v0.1.8
[INFO] [stderr]    Compiling dashmap v4.0.2
[INFO] [stderr]    Compiling pnet_macros_support v0.28.0
[INFO] [stderr]    Compiling cipher v0.3.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling flate2 v1.0.21
[INFO] [stderr]    Compiling poly1305 v0.7.2
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling tungstenite v0.11.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling nanorand v0.6.1
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling salsa20 v0.8.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling aead v0.4.3
[INFO] [stderr]    Compiling audiopus v0.2.0
[INFO] [stderr]    Compiling xsalsa20poly1305 v0.7.2
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling symphonia-core v0.2.0
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr]    Compiling webpki-roots v0.21.1
[INFO] [stderr]    Compiling webpki-roots v0.20.0
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling pnet_macros v0.28.0
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling flume v0.10.9
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling tungstenite v0.13.0
[INFO] [stderr]    Compiling discortp v0.4.0
[INFO] [stderr]    Compiling tokio-util v0.6.8
[INFO] [stderr]    Compiling tokio-rustls v0.22.0
[INFO] [stderr]    Compiling h2 v0.3.4
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling async-tungstenite v0.11.0
[INFO] [stderr]    Compiling streamcatcher v0.1.1
[INFO] [stderr]    Compiling async-tungstenite v0.14.0
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling hyper v0.14.12
[INFO] [stderr]    Compiling serenity-voice-model v0.1.0
[INFO] [stderr]    Compiling hyper-rustls v0.22.1
[INFO] [stderr]    Compiling reqwest v0.11.4
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/driver/mod.rs:30:14
[INFO] [stdout]    |
[INFO] [stdout] 30 |     tracks::{self, Track, TrackHandle},
[INFO] [stdout]    |              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 07s
[INFO] running `Command { std: "docker" "inspect" "efdf7e8a4be4a3d622ebc6e7cb789f585c0293e57739b044f3f66575e4f30a15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efdf7e8a4be4a3d622ebc6e7cb789f585c0293e57739b044f3f66575e4f30a15", kill_on_drop: false }`
[INFO] [stdout] efdf7e8a4be4a3d622ebc6e7cb789f585c0293e57739b044f3f66575e4f30a15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16eb34b2fb5b63ab6f521d4e01ad9a46f7c8854489f1e592852181b474587252
[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" "16eb34b2fb5b63ab6f521d4e01ad9a46f7c8854489f1e592852181b474587252", kill_on_drop: false }`
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/driver/mod.rs:30:14
[INFO] [stdout]    |
[INFO] [stdout] 30 |     tracks::{self, Track, TrackHandle},
[INFO] [stdout]    |              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling songbird v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `crate::test_utils`
[INFO] [stdout]  --> src/input/cached/tests.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     test_utils::*,
[INFO] [stdout]   |     ^^^^^^^^^^ could not find `test_utils` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::test_utils`
[INFO] [stdout]    --> src/input/mod.rs:520:16
[INFO] [stdout]     |
[INFO] [stdout] 520 |     use crate::test_utils::*;
[INFO] [stdout]     |                ^^^^^^^^^^ could not find `test_utils` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `utils`
[INFO] [stdout]   --> src/lib.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | use utils as test_utils;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ no external crate `utils`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `make_sine` in this scope
[INFO] [stdout]   --> src/input/cached/tests.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let input = make_sine(50 * MONO_FRAME_SIZE, true);
[INFO] [stdout]    |                 ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `make_sine` in this scope
[INFO] [stdout]   --> src/input/cached/tests.rs:59:16
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let data = make_sine(50 * MONO_FRAME_SIZE, stereo);
[INFO] [stdout]    |                ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `make_sine` in this scope
[INFO] [stdout]    --> src/input/mod.rs:524:20
[INFO] [stdout]     |
[INFO] [stdout] 524 |         let data = make_sine(50 * MONO_FRAME_SIZE, false);
[INFO] [stdout]     |                    ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `make_sine` in this scope
[INFO] [stdout]    --> src/input/mod.rs:541:20
[INFO] [stdout]     |
[INFO] [stdout] 541 |         let data = make_sine(50 * MONO_FRAME_SIZE, true);
[INFO] [stdout]     |                    ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `make_pcm_sine` in this scope
[INFO] [stdout]    --> src/input/mod.rs:558:20
[INFO] [stdout]     |
[INFO] [stdout] 558 |         let data = make_pcm_sine(50 * MONO_FRAME_SIZE, false);
[INFO] [stdout]     |                    ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `make_pcm_sine` in this scope
[INFO] [stdout]    --> src/input/mod.rs:579:20
[INFO] [stdout]     |
[INFO] [stdout] 579 |         let data = make_pcm_sine(50 * MONO_FRAME_SIZE, true);
[INFO] [stdout]     |                    ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/driver/mod.rs:30:14
[INFO] [stdout]    |
[INFO] [stdout] 30 |     tracks::{self, Track, TrackHandle},
[INFO] [stdout]    |              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `songbird` due to 10 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "16eb34b2fb5b63ab6f521d4e01ad9a46f7c8854489f1e592852181b474587252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16eb34b2fb5b63ab6f521d4e01ad9a46f7c8854489f1e592852181b474587252", kill_on_drop: false }`
[INFO] [stdout] 16eb34b2fb5b63ab6f521d4e01ad9a46f7c8854489f1e592852181b474587252