[INFO] cloning repository https://github.com/delta62/soundtest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/delta62/soundtest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdelta62%2Fsoundtest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdelta62%2Fsoundtest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf9c751b17c319eb3d02a07e8471f88bee82b5e3
[INFO] building delta62/soundtest against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdelta62%2Fsoundtest" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/delta62/soundtest on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/delta62/soundtest
[INFO] finished tweaking git repo https://github.com/delta62/soundtest
[INFO] tweaked toml for git repo https://github.com/delta62/soundtest written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/delta62/soundtest 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a35f906c00dbbd0b01d0beb215d12c9088ed48e159aafc84b31176476811f81
[INFO] running `Command { std: "docker" "start" "-a" "2a35f906c00dbbd0b01d0beb215d12c9088ed48e159aafc84b31176476811f81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a35f906c00dbbd0b01d0beb215d12c9088ed48e159aafc84b31176476811f81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a35f906c00dbbd0b01d0beb215d12c9088ed48e159aafc84b31176476811f81", kill_on_drop: false }`
[INFO] [stdout] 2a35f906c00dbbd0b01d0beb215d12c9088ed48e159aafc84b31176476811f81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d097f5a1f16a6832242054b63d6e9e4892b9fed59dd035c2a9d1b34d97d23c83
[INFO] running `Command { std: "docker" "start" "-a" "d097f5a1f16a6832242054b63d6e9e4892b9fed59dd035c2a9d1b34d97d23c83", kill_on_drop: false }`
[INFO] [stderr]    Compiling dasp_sample v0.11.0
[INFO] [stderr]    Compiling dasp_ring_buffer v0.11.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling dasp_frame v0.11.0
[INFO] [stderr]    Compiling dasp_window v0.11.1
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling dasp_rms v0.11.0
[INFO] [stderr]    Compiling dasp_peak v0.11.0
[INFO] [stderr]    Compiling dasp_interpolate v0.11.0
[INFO] [stderr]    Compiling dasp_slice v0.11.0
[INFO] [stderr]    Compiling dasp_envelope v0.11.0
[INFO] [stderr]    Compiling dasp_signal v0.11.0
[INFO] [stderr]    Compiling dasp v0.11.0
[INFO] [stderr]    Compiling nix v0.22.0
[INFO] [stderr]    Compiling soundtest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/alsa.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 |     InitError(Errno),
[INFO] [stdout]   |     --------- ^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 9 |     InitError(()),
[INFO] [stdout]   |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `buffer_size`, `period_size`, and `sample_rate` are never read
[INFO] [stdout]   --> src/alsa.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct Device {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 34 |     buffer_size: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 35 |     handle: *mut ffi::snd_pcm_t,
[INFO] [stdout] 36 |     period_size: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 37 |     sample_rate: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Device` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.46s
[INFO] running `Command { std: "docker" "inspect" "d097f5a1f16a6832242054b63d6e9e4892b9fed59dd035c2a9d1b34d97d23c83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d097f5a1f16a6832242054b63d6e9e4892b9fed59dd035c2a9d1b34d97d23c83", kill_on_drop: false }`
[INFO] [stdout] d097f5a1f16a6832242054b63d6e9e4892b9fed59dd035c2a9d1b34d97d23c83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40777973814d2790328c563e345aa3e3de5e38dab8d9d0b076365038f5a2596a
[INFO] running `Command { std: "docker" "start" "-a" "40777973814d2790328c563e345aa3e3de5e38dab8d9d0b076365038f5a2596a", kill_on_drop: false }`
[INFO] [stderr]    Compiling soundtest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/alsa.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 |     InitError(Errno),
[INFO] [stdout]   |     --------- ^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 9 |     InitError(()),
[INFO] [stdout]   |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `buffer_size`, `period_size`, and `sample_rate` are never read
[INFO] [stdout]   --> src/alsa.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct Device {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 34 |     buffer_size: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 35 |     handle: *mut ffi::snd_pcm_t,
[INFO] [stdout] 36 |     period_size: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 37 |     sample_rate: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Device` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "40777973814d2790328c563e345aa3e3de5e38dab8d9d0b076365038f5a2596a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40777973814d2790328c563e345aa3e3de5e38dab8d9d0b076365038f5a2596a", kill_on_drop: false }`
[INFO] [stdout] 40777973814d2790328c563e345aa3e3de5e38dab8d9d0b076365038f5a2596a