[INFO] fetching crate alac 0.5.0...
[INFO] checking alac-0.5.0 against beta for pr-78714
[INFO] extracting crate alac 0.5.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate alac 0.5.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alac 0.5.0
[INFO] finished tweaking crates.io crate alac 0.5.0
[INFO] tweaked toml for crates.io crate alac 0.5.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a13d0aad7f4e4d78c83520ac49bf41fa7b600263539bb1fb715f9052ade894d6
[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" "a13d0aad7f4e4d78c83520ac49bf41fa7b600263539bb1fb715f9052ade894d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a13d0aad7f4e4d78c83520ac49bf41fa7b600263539bb1fb715f9052ade894d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a13d0aad7f4e4d78c83520ac49bf41fa7b600263539bb1fb715f9052ade894d6", kill_on_drop: false }`
[INFO] [stdout] a13d0aad7f4e4d78c83520ac49bf41fa7b600263539bb1fb715f9052ade894d6
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 488c7f06fbe3be652871ea3f563274174d5bde7324bde6e01ddb165fb827dbfe
[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" "488c7f06fbe3be652871ea3f563274174d5bde7324bde6e01ddb165fb827dbfe", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking bitreader v0.3.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking mp4parse v0.10.1
[INFO] [stderr]     Checking alac v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reader.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reader.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `COMPARE_CAF_I16`
[INFO] [stdout]   --> tests/decode_comparison.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / static COMPARE_CAF_I16: &'static [(&'static str, &'static str)] = &[
[INFO] [stdout] 21 | |     ("synth_44100_16_bit.wav", "synth_44100_16_bit_afconvert.caf"),
[INFO] [stdout] 22 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `COMPARE_CAF_I32`
[INFO] [stdout]   --> tests/decode_comparison.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / static COMPARE_CAF_I32: &'static [(&'static str, &'static str)] = &[
[INFO] [stdout] 25 | |     ("synth_44100_16_bit.wav", "synth_44100_16_bit_afconvert.caf"),
[INFO] [stdout] 26 | |     ("synth_44100_24_bit.wav", "synth_44100_24_bit_afconvert.caf"),
[INFO] [stdout] 27 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.61s
[INFO] running `Command { std: "docker" "inspect" "488c7f06fbe3be652871ea3f563274174d5bde7324bde6e01ddb165fb827dbfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "488c7f06fbe3be652871ea3f563274174d5bde7324bde6e01ddb165fb827dbfe", kill_on_drop: false }`
[INFO] [stdout] 488c7f06fbe3be652871ea3f563274174d5bde7324bde6e01ddb165fb827dbfe