[INFO] fetching crate opus-mux 0.1.1...
[INFO] checking opus-mux-0.1.1 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate opus-mux 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate opus-mux 0.1.1
[INFO] finished tweaking crates.io crate opus-mux 0.1.1
[INFO] tweaked toml for crates.io crate opus-mux 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate opus-mux 0.1.1 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate opus-mux 0.1.1 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3ce600e82d938afd0f533c116d144fb21f6f6243dade2ac6b21b0ebb985e61c
[INFO] running `Command { std: "docker" "start" "-a" "b3ce600e82d938afd0f533c116d144fb21f6f6243dade2ac6b21b0ebb985e61c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3ce600e82d938afd0f533c116d144fb21f6f6243dade2ac6b21b0ebb985e61c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3ce600e82d938afd0f533c116d144fb21f6f6243dade2ac6b21b0ebb985e61c", kill_on_drop: false }`
[INFO] [stdout] b3ce600e82d938afd0f533c116d144fb21f6f6243dade2ac6b21b0ebb985e61c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fafb8e32ae0490b9929dd3eef9d17ead13767d5d4dd4804c3700b082555e3c6e
[INFO] running `Command { std: "docker" "start" "-a" "fafb8e32ae0490b9929dd3eef9d17ead13767d5d4dd4804c3700b082555e3c6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking opus-mux v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `eos`, `granule_position`, `sequence`, and `checksum` are never read
[INFO] [stdout]    --> src/ogg.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 228 | pub struct PageHeader {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 232 |     pub eos: bool,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 233 |     pub granule_position: u64,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 234 |     pub stream_serial: u32,
[INFO] [stdout] 235 |     pub sequence: u32,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 236 |     pub checksum: u32,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PageHeader` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling opusic-sys v0.3.6
[INFO] [stderr]     Checking magnum-opus v0.3.2
[INFO] [stdout] warning: fields `eos`, `granule_position`, `sequence`, and `checksum` are never read
[INFO] [stdout]    --> src/ogg.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 228 | pub struct PageHeader {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 232 |     pub eos: bool,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 233 |     pub granule_position: u64,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 234 |     pub stream_serial: u32,
[INFO] [stdout] 235 |     pub sequence: u32,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 236 |     pub checksum: u32,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PageHeader` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.83s
[INFO] running `Command { std: "docker" "inspect" "fafb8e32ae0490b9929dd3eef9d17ead13767d5d4dd4804c3700b082555e3c6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fafb8e32ae0490b9929dd3eef9d17ead13767d5d4dd4804c3700b082555e3c6e", kill_on_drop: false }`
[INFO] [stdout] fafb8e32ae0490b9929dd3eef9d17ead13767d5d4dd4804c3700b082555e3c6e