[INFO] fetching crate snowstorm 0.4.0...
[INFO] checking snowstorm-0.4.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate snowstorm 0.4.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate snowstorm 0.4.0 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] started tweaking crates.io crate snowstorm 0.4.0
[INFO] finished tweaking crates.io crate snowstorm 0.4.0
[INFO] tweaked toml for crates.io crate snowstorm 0.4.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate snowstorm 0.4.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chacha20 v0.8.1
[INFO] [stderr]   Downloaded ed25519 v1.4.1
[INFO] [stderr]   Downloaded curve25519-dalek v4.0.0-pre.2
[INFO] [stderr]   Downloaded chacha20poly1305 v0.9.0
[INFO] [stderr]   Downloaded semver v1.0.7
[INFO] [stderr]   Downloaded snow v0.9.0
[INFO] [stderr]   Downloaded signature v1.5.0
[INFO] [stderr]   Downloaded sodiumoxide v0.2.7
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f4c67bb916a2378154d988c35edc390f7e0d318264423bbe9006133d349c8f4
[INFO] running `Command { std: "docker" "start" "-a" "9f4c67bb916a2378154d988c35edc390f7e0d318264423bbe9006133d349c8f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f4c67bb916a2378154d988c35edc390f7e0d318264423bbe9006133d349c8f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f4c67bb916a2378154d988c35edc390f7e0d318264423bbe9006133d349c8f4", kill_on_drop: false }`
[INFO] [stdout] 9f4c67bb916a2378154d988c35edc390f7e0d318264423bbe9006133d349c8f4
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25c4f9364ecd361a865ca7b761a5c2f53ea2e4175b88ef7c6420271717f8458b
[INFO] running `Command { std: "docker" "start" "-a" "25c4f9364ecd361a865ca7b761a5c2f53ea2e4175b88ef7c6420271717f8458b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling semver v1.0.7
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking generic-array v0.14.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking polyval v0.5.3
[INFO] [stderr]     Checking aead v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking ghash v0.4.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking chacha20 v0.8.1
[INFO] [stderr]    Compiling snow v0.9.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking ctr v0.8.0
[INFO] [stderr]     Checking aes v0.7.5
[INFO] [stderr]     Checking poly1305 v0.7.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking curve25519-dalek v4.0.0-pre.2
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking aes-gcm v0.9.4
[INFO] [stderr]     Checking chacha20poly1305 v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking sha2 v0.10.2
[INFO] [stderr]     Checking blake2 v0.10.4
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Checking snowstorm v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `TestChannel` is never constructed
[INFO] [stdout]    --> src/socket.rs:276:12
[INFO] [stdout]     |
[INFO] [stdout] 276 |     struct TestChannel {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.29s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "25c4f9364ecd361a865ca7b761a5c2f53ea2e4175b88ef7c6420271717f8458b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25c4f9364ecd361a865ca7b761a5c2f53ea2e4175b88ef7c6420271717f8458b", kill_on_drop: false }`
[INFO] [stdout] 25c4f9364ecd361a865ca7b761a5c2f53ea2e4175b88ef7c6420271717f8458b
[INFO] checking snowstorm-0.4.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate snowstorm 0.4.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate snowstorm 0.4.0 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] started tweaking crates.io crate snowstorm 0.4.0
[INFO] finished tweaking crates.io crate snowstorm 0.4.0
[INFO] tweaked toml for crates.io crate snowstorm 0.4.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate snowstorm 0.4.0 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 0ff83ab3287ba50d4a9107f01c55111a58432e4e947f8f632c272c2c7b78231b
[INFO] running `Command { std: "docker" "start" "-a" "0ff83ab3287ba50d4a9107f01c55111a58432e4e947f8f632c272c2c7b78231b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ff83ab3287ba50d4a9107f01c55111a58432e4e947f8f632c272c2c7b78231b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ff83ab3287ba50d4a9107f01c55111a58432e4e947f8f632c272c2c7b78231b", kill_on_drop: false }`
[INFO] [stdout] 0ff83ab3287ba50d4a9107f01c55111a58432e4e947f8f632c272c2c7b78231b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a6b06753388ca5570dc4b1b96bf54a0a0a6341d828254d290d229d6fa5d090ec
[INFO] running `Command { std: "docker" "start" "-a" "a6b06753388ca5570dc4b1b96bf54a0a0a6341d828254d290d229d6fa5d090ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling semver v1.0.7
[INFO] [stderr]     Checking typenum v1.15.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking generic-array v0.14.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.8.8/src/sync/parker.rs:366:25
[INFO] [stdout]     |
[INFO] [stdout] 366 | /                         match self.state.swap(EMPTY, SeqCst) {
[INFO] [stdout] 367 | |                             NOTIFIED | PARKED => return,
[INFO] [stdout] 368 | |                             n => panic!("inconsistent park_timeout state: {}", n),
[INFO] [stdout] 369 | |                         };
[INFO] [stdout]     | |_________________________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[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" "a6b06753388ca5570dc4b1b96bf54a0a0a6341d828254d290d229d6fa5d090ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6b06753388ca5570dc4b1b96bf54a0a0a6341d828254d290d229d6fa5d090ec", kill_on_drop: false }`
[INFO] [stdout] a6b06753388ca5570dc4b1b96bf54a0a0a6341d828254d290d229d6fa5d090ec