[INFO] fetching crate songbird 0.1.6...
[INFO] checking songbird-0.1.6 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate songbird 0.1.6 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate songbird 0.1.6 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate songbird 0.1.6
[INFO] finished tweaking crates.io crate songbird 0.1.6
[INFO] tweaked toml for crates.io crate songbird 0.1.6 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3424d1ab064364d67140c0ce5f00de16ad7fe85c08a16a818dbdb193a643f313
[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" "3424d1ab064364d67140c0ce5f00de16ad7fe85c08a16a818dbdb193a643f313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3424d1ab064364d67140c0ce5f00de16ad7fe85c08a16a818dbdb193a643f313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3424d1ab064364d67140c0ce5f00de16ad7fe85c08a16a818dbdb193a643f313", kill_on_drop: false }`
[INFO] [stdout] 3424d1ab064364d67140c0ce5f00de16ad7fe85c08a16a818dbdb193a643f313
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4a81685f1c44254941ccdb674d9fe37b66e41dbead2c43858463c1166012fa0
[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" "d4a81685f1c44254941ccdb674d9fe37b66e41dbead2c43858463c1166012fa0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.64
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[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling crc32fast v1.2.1
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[INFO] [stderr]    Compiling serenity v0.10.5
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]    Compiling songbird v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking spin_sleep v1.0.0
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[INFO] [stderr]     Checking xsalsa20poly1305 v0.6.0
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[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
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[INFO] [stderr]    Compiling serde_repr v0.1.6
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[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking tokio-util v0.6.6
[INFO] [stderr]    Compiling discortp v0.2.2
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking async-tungstenite v0.11.0
[INFO] [stderr]     Checking async-tungstenite v0.13.1
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking hyper v0.14.7
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking serenity-voice-model v0.1.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
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[INFO] [stderr]     Checking hyper-rustls v0.22.1
[INFO] [stderr]     Checking reqwest v0.11.3
[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:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 | use utils as test_utils;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ no external crate `utils`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/driver/mod.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 |     tracks::{self, Track, TrackHandle},
[INFO] [stdout]    |              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[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:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 |     tracks::{self, Track, TrackHandle},
[INFO] [stdout]    |              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Reader`, `ffmpeg`
[INFO] [stdout]  --> src/input/cached/tests.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 |     input::{error::Error, ffmpeg, Codec, Container, Input, Reader},
[INFO] [stdout]   |                           ^^^^^^                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors; 2 warnings 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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d4a81685f1c44254941ccdb674d9fe37b66e41dbead2c43858463c1166012fa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4a81685f1c44254941ccdb674d9fe37b66e41dbead2c43858463c1166012fa0", kill_on_drop: false }`
[INFO] [stdout] d4a81685f1c44254941ccdb674d9fe37b66e41dbead2c43858463c1166012fa0