[INFO] fetching crate oscen 0.1.4...
[INFO] building oscen-0.1.4 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate oscen 0.1.4 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate oscen 0.1.4
[INFO] finished tweaking crates.io crate oscen 0.1.4
[INFO] tweaked toml for crates.io crate oscen 0.1.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate oscen 0.1.4 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 73 packages to latest compatible versions
[INFO] [stderr]       Adding approx v0.3.2 (available: v0.5.1)
[INFO] [stderr]       Adding crossbeam v0.7.3 (available: v0.8.4)
[INFO] [stderr]       Adding midir v0.5.0 (available: v0.10.2)
[INFO] [stderr]       Adding num v0.2.1 (available: v0.4.3)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.9.2)
[INFO] [stderr]       Adding rand_distr v0.2.2 (available: v0.5.1)
[INFO] [stderr]       Adding uuid v0.8.2 (available: v1.18.1)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded winmm-sys v0.2.0
[INFO] [stderr]   Downloaded core-foundation-sys v0.2.3
[INFO] [stderr]   Downloaded coremidi-sys v2.0.2
[INFO] [stderr]   Downloaded bitflags v0.3.3
[INFO] [stderr]   Downloaded midir v0.5.0
[INFO] [stderr]   Downloaded alsa-sys v0.1.2
[INFO] [stderr]   Downloaded libmath v0.2.1
[INFO] [stderr]   Downloaded approx v0.3.2
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.4
[INFO] [stderr]   Downloaded coremidi v0.3.1
[INFO] [stderr]   Downloaded crossbeam v0.7.3
[INFO] [stderr]   Downloaded alsa v0.2.2
[INFO] [stderr]   Downloaded core-foundation v0.2.3
[INFO] [stderr]   Downloaded nix v0.9.0
[INFO] [stderr]   Downloaded pitch_calc v0.12.0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8c79c2a7929debfc93bfef38e4ef3676758c677ff4053e78579627d3b026feb
[INFO] running `Command { std: "docker" "start" "-a" "c8c79c2a7929debfc93bfef38e4ef3676758c677ff4053e78579627d3b026feb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8c79c2a7929debfc93bfef38e4ef3676758c677ff4053e78579627d3b026feb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8c79c2a7929debfc93bfef38e4ef3676758c677ff4053e78579627d3b026feb", kill_on_drop: false }`
[INFO] [stdout] c8c79c2a7929debfc93bfef38e4ef3676758c677ff4053e78579627d3b026feb
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae1c43ee277b9e1461736093973ca6768793336a80e8350c2d379f81af1c0398
[INFO] running `Command { std: "docker" "start" "-a" "ae1c43ee277b9e1461736093973ca6768793336a80e8350c2d379f81af1c0398", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling bitflags v0.3.3
[INFO] [stderr]    Compiling memalloc v0.1.0
[INFO] [stderr]    Compiling libmath v0.2.1
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling pitch_calc v0.12.0
[INFO] [stderr]    Compiling nix v0.9.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling alsa v0.2.2
[INFO] [stderr]    Compiling midir v0.5.0
[INFO] [stderr]    Compiling oscen v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `cutoff_freq` and `wet_decay` are never read
[INFO] [stdout]   --> src/instruments.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct WaveGuide {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     cutoff_freq: In,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 16 |     wet_decay: In,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WaveGuide` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.11s
[INFO] running `Command { std: "docker" "inspect" "ae1c43ee277b9e1461736093973ca6768793336a80e8350c2d379f81af1c0398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae1c43ee277b9e1461736093973ca6768793336a80e8350c2d379f81af1c0398", kill_on_drop: false }`
[INFO] [stdout] ae1c43ee277b9e1461736093973ca6768793336a80e8350c2d379f81af1c0398
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 255f8ea71944bb695c4a6007ce891a6267184c02dc5626ec9966680c537c4945
[INFO] running `Command { std: "docker" "start" "-a" "255f8ea71944bb695c4a6007ce891a6267184c02dc5626ec9966680c537c4945", kill_on_drop: false }`
[INFO] [stderr]    Compiling oscen v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `cutoff_freq` and `wet_decay` are never read
[INFO] [stdout]   --> src/instruments.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct WaveGuide {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     cutoff_freq: In,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 16 |     wet_decay: In,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WaveGuide` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cutoff_freq` and `wet_decay` are never read
[INFO] [stdout]   --> src/instruments.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct WaveGuide {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     cutoff_freq: In,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 16 |     wet_decay: In,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WaveGuide` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "255f8ea71944bb695c4a6007ce891a6267184c02dc5626ec9966680c537c4945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "255f8ea71944bb695c4a6007ce891a6267184c02dc5626ec9966680c537c4945", kill_on_drop: false }`
[INFO] [stdout] 255f8ea71944bb695c4a6007ce891a6267184c02dc5626ec9966680c537c4945