[INFO] cloning repository https://github.com/shazamio/shazamio-core
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shazamio/shazamio-core" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshazamio%2Fshazamio-core", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshazamio%2Fshazamio-core'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 53ec194d498b90d7f970f741df45d945be84cb3a
[INFO] checking shazamio/shazamio-core against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshazamio%2Fshazamio-core" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shazamio/shazamio-core on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shazamio/shazamio-core
[INFO] finished tweaking git repo https://github.com/shazamio/shazamio-core
[INFO] tweaked toml for git repo https://github.com/shazamio/shazamio-core written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/shazamio/shazamio-core already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chfft v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d94777c0b1f6f7174f0f007b87fe24860f8b5636843b5aed01bfe87e52029c02
[INFO] running `Command { std: "docker" "start" "-a" "d94777c0b1f6f7174f0f007b87fe24860f8b5636843b5aed01bfe87e52029c02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d94777c0b1f6f7174f0f007b87fe24860f8b5636843b5aed01bfe87e52029c02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d94777c0b1f6f7174f0f007b87fe24860f8b5636843b5aed01bfe87e52029c02", kill_on_drop: false }`
[INFO] [stdout] d94777c0b1f6f7174f0f007b87fe24860f8b5636843b5aed01bfe87e52029c02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b24e4b521c802b2587317ca530482d04eb329a287d284eca7a15752e4fb5bcc
[INFO] running `Command { std: "docker" "start" "-a" "8b24e4b521c802b2587317ca530482d04eb329a287d284eca7a15752e4fb5bcc", kill_on_drop: false }`
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[INFO] [stderr]     Checking shazamio-core v1.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `BaseException` is never used
[INFO] [stdout]  --> src/errors.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait BaseException {
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `BaseException` is never used
[INFO] [stdout]  --> src/errors.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait BaseException {
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sample_rate_hz` is never read
[INFO] [stdout]   --> src/fingerprinting/signature_format.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct FrequencyPeak {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub sample_rate_hz: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sample_rate_hz` is never read
[INFO] [stdout]   --> src/fingerprinting/signature_format.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct FrequencyPeak {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub sample_rate_hz: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.56s
[INFO] running `Command { std: "docker" "inspect" "8b24e4b521c802b2587317ca530482d04eb329a287d284eca7a15752e4fb5bcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b24e4b521c802b2587317ca530482d04eb329a287d284eca7a15752e4fb5bcc", kill_on_drop: false }`
[INFO] [stdout] 8b24e4b521c802b2587317ca530482d04eb329a287d284eca7a15752e4fb5bcc