[INFO] fetching crate castor 0.5.0...
[INFO] checking castor-0.5.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate castor 0.5.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate castor 0.5.0 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 castor 0.5.0
[INFO] finished tweaking crates.io crate castor 0.5.0
[INFO] tweaked toml for crates.io crate castor 0.5.0 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 45 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding blake2 v0.8.1 (latest: v0.10.6)
[INFO] [stderr]       Adding block-buffer v0.7.3 (latest: v0.10.4)
[INFO] [stderr]       Adding block-padding v0.1.5 (latest: v0.3.3)
[INFO] [stderr]       Adding crypto-mac v0.7.0 (latest: v0.11.1)
[INFO] [stderr]       Adding digest v0.8.1 (latest: v0.10.7)
[INFO] [stderr]       Adding generic-array v0.12.4 (latest: v1.0.0)
[INFO] [stderr]       Adding kv v0.9.3 (latest: v0.24.0)
[INFO] [stderr]       Adding lmdb-rkv v0.12.3 (latest: v0.14.0)
[INFO] [stderr]       Adding lmdb-rkv-sys v0.9.6 (latest: v0.11.2)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding opaque-debug v0.2.3 (latest: v0.3.1)
[INFO] [stderr]       Adding sha2 v0.8.2 (latest: v0.10.8)
[INFO] [stderr]       Adding sha3 v0.8.2 (latest: v0.10.8)
[INFO] [stderr]       Adding subtle v1.0.0 (latest: v2.5.0)
[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 toml v0.5.11 (latest: v0.8.12)
[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 crypto-mac v0.7.0
[INFO] [stderr]   Downloaded subtle v1.0.0
[INFO] [stderr]   Downloaded blake2 v0.8.1
[INFO] [stderr]   Downloaded sha3 v0.8.2
[INFO] [stderr]   Downloaded lmdb-rkv v0.12.3
[INFO] [stderr]   Downloaded kv v0.9.3
[INFO] [stderr]   Downloaded lmdb-rkv-sys v0.9.6
[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] 80d0382bf95decdf14f4c87abce3326a0c02bd0932ee2f3e9b82b8e96f7689d5
[INFO] running `Command { std: "docker" "start" "-a" "80d0382bf95decdf14f4c87abce3326a0c02bd0932ee2f3e9b82b8e96f7689d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80d0382bf95decdf14f4c87abce3326a0c02bd0932ee2f3e9b82b8e96f7689d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80d0382bf95decdf14f4c87abce3326a0c02bd0932ee2f3e9b82b8e96f7689d5", kill_on_drop: false }`
[INFO] [stdout] 80d0382bf95decdf14f4c87abce3326a0c02bd0932ee2f3e9b82b8e96f7689d5
[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] 08200e01a414d6cecbd30ad79eefe0c93637c1803ef7cf552d601716df8522e0
[INFO] running `Command { std: "docker" "start" "-a" "08200e01a414d6cecbd30ad79eefe0c93637c1803ef7cf552d601716df8522e0", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling lmdb-rkv-sys v0.9.6
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking lmdb-rkv v0.12.3
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking kv v0.9.3
[INFO] [stderr]     Checking castor v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.86s
[INFO] running `Command { std: "docker" "inspect" "08200e01a414d6cecbd30ad79eefe0c93637c1803ef7cf552d601716df8522e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08200e01a414d6cecbd30ad79eefe0c93637c1803ef7cf552d601716df8522e0", kill_on_drop: false }`
[INFO] [stdout] 08200e01a414d6cecbd30ad79eefe0c93637c1803ef7cf552d601716df8522e0
[INFO] checking castor-0.5.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate castor 0.5.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate castor 0.5.0 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 castor 0.5.0
[INFO] finished tweaking crates.io crate castor 0.5.0
[INFO] tweaked toml for crates.io crate castor 0.5.0 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] 79dc8dc002ec266a1f561f87a5c357272701839b90108afbd6c5e3b865c530c6
[INFO] running `Command { std: "docker" "start" "-a" "79dc8dc002ec266a1f561f87a5c357272701839b90108afbd6c5e3b865c530c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79dc8dc002ec266a1f561f87a5c357272701839b90108afbd6c5e3b865c530c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79dc8dc002ec266a1f561f87a5c357272701839b90108afbd6c5e3b865c530c6", kill_on_drop: false }`
[INFO] [stdout] 79dc8dc002ec266a1f561f87a5c357272701839b90108afbd6c5e3b865c530c6
[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] 535c3f6e82f66697b95a7a12a8b1c679d950c54481bcff04a8bca96f90888798
[INFO] running `Command { std: "docker" "start" "-a" "535c3f6e82f66697b95a7a12a8b1c679d950c54481bcff04a8bca96f90888798", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling lmdb-rkv-sys v0.9.6
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling synstructure v0.12.6
[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] [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" "535c3f6e82f66697b95a7a12a8b1c679d950c54481bcff04a8bca96f90888798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "535c3f6e82f66697b95a7a12a8b1c679d950c54481bcff04a8bca96f90888798", kill_on_drop: false }`
[INFO] [stdout] 535c3f6e82f66697b95a7a12a8b1c679d950c54481bcff04a8bca96f90888798