[INFO] fetching crate lucet-module 0.6.1...
[INFO] checking lucet-module-0.6.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate lucet-module 0.6.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate lucet-module 0.6.1 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] started tweaking crates.io crate lucet-module 0.6.1
[INFO] finished tweaking crates.io crate lucet-module 0.6.1
[INFO] tweaked toml for crates.io crate lucet-module 0.6.1 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 71 packages
[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 cranelift-entity v0.51.0 (latest: v0.106.1)
[INFO] [stderr]       Adding crypto-mac v0.10.1 (latest: v0.11.1)
[INFO] [stderr]       Adding derivative v1.0.4 (latest: v2.2.0)
[INFO] [stderr]       Adding digest v0.9.0 (latest: v0.10.7)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding goblin v0.0.24 (latest: v0.8.0)
[INFO] [stderr]       Adding hmac v0.10.1 (latest: v0.12.1)
[INFO] [stderr]       Adding memoffset v0.5.6 (latest: v0.9.1)
[INFO] [stderr]       Adding minisign v0.5.23 (latest: v0.7.6)
[INFO] [stderr]       Adding num-derive v0.3.3 (latest: v0.4.2)
[INFO] [stderr]       Adding object v0.14.1 (latest: v0.34.0)
[INFO] [stderr]       Adding parity-wasm v0.40.3 (latest: v0.45.0)
[INFO] [stderr]       Adding pbkdf2 v0.6.0 (latest: v0.12.2)
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (latest: v1.0.79)
[INFO] [stderr]       Adding quote v0.6.13 (latest: v1.0.35)
[INFO] [stderr]       Adding rpassword v5.0.1 (latest: v7.3.1)
[INFO] [stderr]       Adding rustc_version v0.2.3 (latest: v0.4.0)
[INFO] [stderr]       Adding salsa20 v0.7.2 (latest: v0.10.2)
[INFO] [stderr]       Adding scroll v0.9.2 (latest: v0.12.0)
[INFO] [stderr]       Adding scroll_derive v0.9.5 (latest: v0.12.0)
[INFO] [stderr]       Adding scrypt v0.5.0 (latest: v0.11.0)
[INFO] [stderr]       Adding semver v0.9.0 (latest: v1.0.22)
[INFO] [stderr]       Adding semver-parser v0.7.0 (latest: v0.10.2)
[INFO] [stderr]       Adding serde-big-array v0.2.0 (latest: v0.5.1)
[INFO] [stderr]       Adding sha2 v0.9.9 (latest: v0.10.8)
[INFO] [stderr]       Adding subtle v2.4.1 (latest: v2.5.0)
[INFO] [stderr]       Adding syn v0.15.44 (latest: v2.0.58)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding target-lexicon v0.8.1 (latest: v0.12.14)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.4)
[INFO] [stderr]       Adding uuid v0.7.4 (latest: v1.8.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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 serde-big-array v0.2.0
[INFO] [stderr]   Downloaded scroll v0.9.2
[INFO] [stderr]   Downloaded target-lexicon v0.8.1
[INFO] [stderr]   Downloaded scroll_derive v0.9.5
[INFO] [stderr]   Downloaded salsa20 v0.7.2
[INFO] [stderr]   Downloaded scrypt v0.5.0
[INFO] [stderr]   Downloaded object v0.14.1
[INFO] [stderr]   Downloaded pbkdf2 v0.6.0
[INFO] [stderr]   Downloaded minisign v0.5.23
[INFO] [stderr]   Downloaded goblin v0.0.24
[INFO] [stderr]   Downloaded parity-wasm v0.40.3
[INFO] [stderr]   Downloaded cranelift-entity v0.51.0
[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] a1d0cd56c50950bebdf04474cbf79d6a9073d16c6e849322cac22fe633dd75d1
[INFO] running `Command { std: "docker" "start" "-a" "a1d0cd56c50950bebdf04474cbf79d6a9073d16c6e849322cac22fe633dd75d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1d0cd56c50950bebdf04474cbf79d6a9073d16c6e849322cac22fe633dd75d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1d0cd56c50950bebdf04474cbf79d6a9073d16c6e849322cac22fe633dd75d1", kill_on_drop: false }`
[INFO] [stdout] a1d0cd56c50950bebdf04474cbf79d6a9073d16c6e849322cac22fe633dd75d1
[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] acab401300b05770b1ff0b613cda5fec768862f7ff06e3767d36a1e664f72d38
[INFO] running `Command { std: "docker" "start" "-a" "acab401300b05770b1ff0b613cda5fec768862f7ff06e3767d36a1e664f72d38", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling scroll v0.9.2
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]    Compiling serde-big-array v0.2.0
[INFO] [stderr]     Checking crypto-mac v0.10.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rpassword v5.0.1
[INFO] [stderr]     Checking parity-wasm v0.40.3
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking pbkdf2 v0.6.0
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking cranelift-entity v0.51.0
[INFO] [stderr]     Checking salsa20 v0.7.2
[INFO] [stderr]     Checking scrypt v0.5.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking minisign v0.5.23
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling scroll_derive v0.9.5
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking goblin v0.0.24
[INFO] [stderr]    Compiling target-lexicon v0.8.1
[INFO] [stderr]     Checking object v0.14.1
[INFO] [stderr]     Checking lucet-module v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/bindings.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_json::{self, Map, Value};
[INFO] [stdout]   |                  ^^^^ the item `serde_json` 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 `serde_json` is imported redundantly
[INFO] [stdout]  --> src/bindings.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_json::{self, Map, Value};
[INFO] [stdout]   |                  ^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.41s
[INFO] running `Command { std: "docker" "inspect" "acab401300b05770b1ff0b613cda5fec768862f7ff06e3767d36a1e664f72d38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acab401300b05770b1ff0b613cda5fec768862f7ff06e3767d36a1e664f72d38", kill_on_drop: false }`
[INFO] [stdout] acab401300b05770b1ff0b613cda5fec768862f7ff06e3767d36a1e664f72d38
[INFO] checking lucet-module-0.6.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate lucet-module 0.6.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate lucet-module 0.6.1 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] started tweaking crates.io crate lucet-module 0.6.1
[INFO] finished tweaking crates.io crate lucet-module 0.6.1
[INFO] tweaked toml for crates.io crate lucet-module 0.6.1 written to /workspace/builds/worker-7-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-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] dc43ed80c68aedad55e3d4125b98e198eee9fc61f8a16ab5c8ec13f9aab88c3c
[INFO] running `Command { std: "docker" "start" "-a" "dc43ed80c68aedad55e3d4125b98e198eee9fc61f8a16ab5c8ec13f9aab88c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc43ed80c68aedad55e3d4125b98e198eee9fc61f8a16ab5c8ec13f9aab88c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc43ed80c68aedad55e3d4125b98e198eee9fc61f8a16ab5c8ec13f9aab88c3c", kill_on_drop: false }`
[INFO] [stdout] dc43ed80c68aedad55e3d4125b98e198eee9fc61f8a16ab5c8ec13f9aab88c3c
[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] 054e928bafc3778b2c9dd92ff02838d6f5cd004fb34fb3192c7b1136c653a814
[INFO] running `Command { std: "docker" "start" "-a" "054e928bafc3778b2c9dd92ff02838d6f5cd004fb34fb3192c7b1136c653a814", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]    Compiling serde-big-array v0.2.0
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling scroll v0.9.2
[INFO] [stderr]     Checking rpassword v5.0.1
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking parity-wasm v0.40.3
[INFO] [stderr]     Checking cranelift-entity v0.51.0
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/miniz_oxide-0.7.2/src/inflate/core.rs:1196:9
[INFO] [stdout]      |
[INFO] [stdout] 1196 | /         match state {
[INFO] [stdout] 1197 | |             Start => generate_state!(state, 'state_machine, {
[INFO] [stdout] 1198 | |                 l.bit_buf = 0;
[INFO] [stdout] 1199 | |                 l.num_bits = 0;
[INFO] [stdout] ...    |
[INFO] [stdout] 1741 | |             _ => break TINFLStatus::Failed,
[INFO] [stdout] 1742 | |         };
[INFO] [stdout]      | |_________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking crypto-mac v0.10.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking cipher v0.2.5
[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 `miniz_oxide` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "054e928bafc3778b2c9dd92ff02838d6f5cd004fb34fb3192c7b1136c653a814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "054e928bafc3778b2c9dd92ff02838d6f5cd004fb34fb3192c7b1136c653a814", kill_on_drop: false }`
[INFO] [stdout] 054e928bafc3778b2c9dd92ff02838d6f5cd004fb34fb3192c7b1136c653a814