[INFO] fetching crate librespot-core 0.4.2...
[INFO] checking librespot-core-0.4.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate librespot-core 0.4.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate librespot-core 0.4.2 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate librespot-core 0.4.2
[INFO] finished tweaking crates.io crate librespot-core 0.4.2
[INFO] tweaked toml for crates.io crate librespot-core 0.4.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 159 packages
[INFO] [stderr]       Adding aes v0.6.0 (latest: v0.8.4)
[INFO] [stderr]       Adding aes-soft v0.6.4 (latest: v0.99.99)
[INFO] [stderr]       Adding aesni v0.10.0 (latest: v0.99.99)
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.0)
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding block-buffer v0.9.0 (latest: v0.10.4)
[INFO] [stderr]       Adding cipher v0.2.5 (latest: v0.4.4)
[INFO] [stderr]       Adding digest v0.9.0 (latest: v0.10.7)
[INFO] [stderr]       Adding env_logger v0.9.3 (latest: v0.11.3)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding headers v0.3.9 (latest: v0.4.0)
[INFO] [stderr]       Adding headers-core v0.2.0 (latest: v0.3.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding hmac v0.11.0 (latest: v0.12.1)
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding http-body v0.4.6 (latest: v1.0.0)
[INFO] [stderr]       Adding hyper v0.14.28 (latest: v1.2.0)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding pbkdf2 v0.8.0 (latest: v0.12.2)
[INFO] [stderr]       Adding priority-queue v1.4.0 (latest: v2.0.2)
[INFO] [stderr]       Adding protobuf v2.28.0 (latest: v3.4.0)
[INFO] [stderr]       Adding protobuf-codegen v2.28.0 (latest: v3.4.0)
[INFO] [stderr]       Adding sha-1 v0.9.8 (latest: v0.10.1)
[INFO] [stderr]       Adding subtle v2.4.1 (latest: v2.5.0)
[INFO] [stderr]       Adding vergen v3.2.0 (latest: v8.3.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hyper-proxy v0.9.1
[INFO] [stderr]   Downloaded shannon v0.2.0
[INFO] [stderr]   Downloaded vergen v3.2.0
[INFO] [stderr]   Downloaded librespot-protocol v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc86eafd6d754196e507c1f8d8c2ffb93c63262a169053588a164a0a69f50a17
[INFO] running `Command { std: "docker" "start" "-a" "dc86eafd6d754196e507c1f8d8c2ffb93c63262a169053588a164a0a69f50a17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc86eafd6d754196e507c1f8d8c2ffb93c63262a169053588a164a0a69f50a17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc86eafd6d754196e507c1f8d8c2ffb93c63262a169053588a164a0a69f50a17", kill_on_drop: false }`
[INFO] [stdout] dc86eafd6d754196e507c1f8d8c2ffb93c63262a169053588a164a0a69f50a17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5443c85786df2c19680ce7d11b36666142210f769042e931a039ff83393908a
[INFO] running `Command { std: "docker" "start" "-a" "b5443c85786df2c19680ce7d11b36666142210f769042e931a039ff83393908a", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.60
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling priority-queue v1.4.0
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking aes-soft v0.6.4
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking headers v0.3.9
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking shannon v0.2.0
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]     Checking pbkdf2 v0.8.0
[INFO] [stderr]     Checking uuid v1.8.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling chrono v0.4.37
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling vergen v3.2.0
[INFO] [stderr]    Compiling librespot-core v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]    Compiling protobuf-codegen v2.28.0
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling protobuf-codegen-pure v2.28.0
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]    Compiling librespot-protocol v0.4.2
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking hyper-proxy v0.9.1
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stdout] warning: the item `protobuf` is imported redundantly
[INFO] [stdout]  --> src/connection/handshake.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use protobuf::{self, Message};
[INFO] [stdout]   |                ^^^^ the item `protobuf` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `protobuf` is imported redundantly
[INFO] [stdout]   --> src/connection/mod.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 | use protobuf::{self, Message, ProtobufError};
[INFO] [stdout]    |                ^^^^ the item `protobuf` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `protobuf` is imported redundantly
[INFO] [stdout]  --> src/connection/handshake.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use protobuf::{self, Message};
[INFO] [stdout]   |                ^^^^ the item `protobuf` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `protobuf` is imported redundantly
[INFO] [stdout]   --> src/connection/mod.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 | use protobuf::{self, Message, ProtobufError};
[INFO] [stdout]    |                ^^^^ the item `protobuf` is already defined by prelude
[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 30.35s
[INFO] running `Command { std: "docker" "inspect" "b5443c85786df2c19680ce7d11b36666142210f769042e931a039ff83393908a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5443c85786df2c19680ce7d11b36666142210f769042e931a039ff83393908a", kill_on_drop: false }`
[INFO] [stdout] b5443c85786df2c19680ce7d11b36666142210f769042e931a039ff83393908a