[INFO] fetching crate flacenc 0.3.1...
[INFO] checking flacenc-0.3.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate flacenc 0.3.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate flacenc 0.3.1 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate flacenc 0.3.1
[INFO] finished tweaking crates.io crate flacenc 0.3.1
[INFO] tweaked toml for crates.io crate flacenc 0.3.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 106 packages
[INFO] [stderr]       Adding crc v2.1.0 (latest: v3.0.1)
[INFO] [stderr]       Adding crc-catalog v1.1.1 (latest: v2.4.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding hash32 v0.2.1 (latest: v0.3.1)
[INFO] [stderr]       Adding heapless v0.7.17 (latest: v0.8.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding radium v0.7.0 (latest: v1.1.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding toml v0.5.11 (latest: v0.8.12)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding wyz v0.5.1 (latest: v0.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mimalloc v0.1.39
[INFO] [stderr]   Downloaded built v0.7.1
[INFO] [stderr]   Downloaded hound v3.5.1
[INFO] [stderr]   Downloaded claxon v0.4.3
[INFO] [stderr]   Downloaded libmimalloc-sys v0.1.35
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d48ab160ffcfc57cea11d0a970ed0f26e40fee2f5530ea656f7021a5198810b
[INFO] running `Command { std: "docker" "start" "-a" "5d48ab160ffcfc57cea11d0a970ed0f26e40fee2f5530ea656f7021a5198810b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d48ab160ffcfc57cea11d0a970ed0f26e40fee2f5530ea656f7021a5198810b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d48ab160ffcfc57cea11d0a970ed0f26e40fee2f5530ea656f7021a5198810b", kill_on_drop: false }`
[INFO] [stdout] 5d48ab160ffcfc57cea11d0a970ed0f26e40fee2f5530ea656f7021a5198810b
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64f490537ba6b4fe3f6c08336708e85288bef9754fdf1402bb534665fa59c860
[INFO] running `Command { std: "docker" "start" "-a" "64f490537ba6b4fe3f6c08336708e85288bef9754fdf1402bb534665fa59c860", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling built v0.7.1
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling rstest_macros v0.18.2
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking crc-catalog v1.1.1
[INFO] [stderr]    Compiling relative-path v1.9.2
[INFO] [stderr]     Checking md-5 v0.10.6
[INFO] [stderr]     Checking crc v2.1.0
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking claxon v0.4.3
[INFO] [stderr]     Checking hound v3.5.1
[INFO] [stderr]    Compiling flacenc v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking futures-util v0.3.30
[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 rstest v0.18.2
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stdout] warning: the item `Verify` is imported redundantly
[INFO] [stdout]    --> src/config.rs:366:9
[INFO] [stdout]     |
[INFO] [stdout] 366 |     use super::super::error::Verify;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 367 |     use super::*;
[INFO] [stdout]     |         -------- the item `Verify` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `signum` is never used
[INFO] [stdout]    --> src/fakesimd.rs:150:8
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub trait SimdInt {
[INFO] [stdout]     |           ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 150 |     fn signum(self) -> Self;
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `simd_eq` is never used
[INFO] [stdout]    --> src/fakesimd.rs:157:8
[INFO] [stdout]     |
[INFO] [stdout] 155 | pub trait SimdPartialEq {
[INFO] [stdout]     |           ------------- method in this trait
[INFO] [stdout] 156 |     type Mask;
[INFO] [stdout] 157 |     fn simd_eq(self, other: Self) -> Self::Mask;
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `signum` is never used
[INFO] [stdout]    --> src/fakesimd.rs:150:8
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub trait SimdInt {
[INFO] [stdout]     |           ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 150 |     fn signum(self) -> Self;
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `simd_eq` is never used
[INFO] [stdout]    --> src/fakesimd.rs:157:8
[INFO] [stdout]     |
[INFO] [stdout] 155 | pub trait SimdPartialEq {
[INFO] [stdout]     |           ------------- method in this trait
[INFO] [stdout] 156 |     type Mask;
[INFO] [stdout] 157 |     fn simd_eq(self, other: Self) -> Self::Mask;
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.93s
[INFO] running `Command { std: "docker" "inspect" "64f490537ba6b4fe3f6c08336708e85288bef9754fdf1402bb534665fa59c860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64f490537ba6b4fe3f6c08336708e85288bef9754fdf1402bb534665fa59c860", kill_on_drop: false }`
[INFO] [stdout] 64f490537ba6b4fe3f6c08336708e85288bef9754fdf1402bb534665fa59c860
[INFO] checking flacenc-0.3.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate flacenc 0.3.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate flacenc 0.3.1 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate flacenc 0.3.1
[INFO] finished tweaking crates.io crate flacenc 0.3.1
[INFO] tweaked toml for crates.io crate flacenc 0.3.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e5f1d7fc2f11097ddbd7a531100c92acd3e1c3f45b01ebf6f58cfb9f5d484f8
[INFO] running `Command { std: "docker" "start" "-a" "9e5f1d7fc2f11097ddbd7a531100c92acd3e1c3f45b01ebf6f58cfb9f5d484f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e5f1d7fc2f11097ddbd7a531100c92acd3e1c3f45b01ebf6f58cfb9f5d484f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e5f1d7fc2f11097ddbd7a531100c92acd3e1c3f45b01ebf6f58cfb9f5d484f8", kill_on_drop: false }`
[INFO] [stdout] 9e5f1d7fc2f11097ddbd7a531100c92acd3e1c3f45b01ebf6f58cfb9f5d484f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa9450be8b45cc51a5e1e7120b9aef7f77d84bff2ca6f95113eb2185c4c1f084
[INFO] running `Command { std: "docker" "start" "-a" "aa9450be8b45cc51a5e1e7120b9aef7f77d84bff2ca6f95113eb2185c4c1f084", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling built v0.7.1
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling rstest_macros v0.18.2
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling relative-path v1.9.2
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking crc-catalog v1.1.1
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking crc v2.1.0
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking md-5 v0.10.6
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]     Checking hound v3.5.1
[INFO] [stderr]     Checking claxon v0.4.3
[INFO] [stderr]    Compiling flacenc v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.8.19/src/sync/parker.rs:370:25
[INFO] [stdout]     |
[INFO] [stdout] 370 | /                         match self.state.swap(EMPTY, SeqCst) {
[INFO] [stdout] 371 | |                             NOTIFIED | PARKED => return,
[INFO] [stdout] 372 | |                             n => panic!("inconsistent park_timeout state: {}", n),
[INFO] [stdout] 373 | |                         };
[INFO] [stdout]     | |_________________________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crossbeam-utils` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "aa9450be8b45cc51a5e1e7120b9aef7f77d84bff2ca6f95113eb2185c4c1f084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa9450be8b45cc51a5e1e7120b9aef7f77d84bff2ca6f95113eb2185c4c1f084", kill_on_drop: false }`
[INFO] [stdout] aa9450be8b45cc51a5e1e7120b9aef7f77d84bff2ca6f95113eb2185c4c1f084