[INFO] fetching crate ch8asm 0.1.1...
[INFO] checking ch8asm-0.1.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate ch8asm 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate ch8asm 0.1.1 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 ch8asm 0.1.1
[INFO] finished tweaking crates.io crate ch8asm 0.1.1
[INFO] tweaked toml for crates.io crate ch8asm 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate ch8asm 0.1.1 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 byteorder v1.3.2
[INFO] [stderr]   Downloaded ch8-isa v0.1.1
[INFO] [stderr]   Downloaded ch8alib v0.1.0
[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] 595824b6fa4b9963a3d1361d7e28395220203834958fc23d94b38ed66fb5f64f
[INFO] running `Command { std: "docker" "start" "-a" "595824b6fa4b9963a3d1361d7e28395220203834958fc23d94b38ed66fb5f64f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "595824b6fa4b9963a3d1361d7e28395220203834958fc23d94b38ed66fb5f64f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "595824b6fa4b9963a3d1361d7e28395220203834958fc23d94b38ed66fb5f64f", kill_on_drop: false }`
[INFO] [stdout] 595824b6fa4b9963a3d1361d7e28395220203834958fc23d94b38ed66fb5f64f
[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] 3625b88534d043844e82111f21feeaa97ce490ae99a3bfed44cc24ccd666e4d6
[INFO] running `Command { std: "docker" "start" "-a" "3625b88534d043844e82111f21feeaa97ce490ae99a3bfed44cc24ccd666e4d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking ch8-isa v0.1.1
[INFO] [stderr]     Checking ch8alib v0.1.0
[INFO] [stderr]     Checking ch8asm v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "3625b88534d043844e82111f21feeaa97ce490ae99a3bfed44cc24ccd666e4d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3625b88534d043844e82111f21feeaa97ce490ae99a3bfed44cc24ccd666e4d6", kill_on_drop: false }`
[INFO] [stdout] 3625b88534d043844e82111f21feeaa97ce490ae99a3bfed44cc24ccd666e4d6
[INFO] checking ch8asm-0.1.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate ch8asm 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate ch8asm 0.1.1 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 ch8asm 0.1.1
[INFO] finished tweaking crates.io crate ch8asm 0.1.1
[INFO] tweaked toml for crates.io crate ch8asm 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate ch8asm 0.1.1 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-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] af1af86d485f6fc32261028d2332e12619c96fc8dbd476803bfce7607b82e00b
[INFO] running `Command { std: "docker" "start" "-a" "af1af86d485f6fc32261028d2332e12619c96fc8dbd476803bfce7607b82e00b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af1af86d485f6fc32261028d2332e12619c96fc8dbd476803bfce7607b82e00b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af1af86d485f6fc32261028d2332e12619c96fc8dbd476803bfce7607b82e00b", kill_on_drop: false }`
[INFO] [stdout] af1af86d485f6fc32261028d2332e12619c96fc8dbd476803bfce7607b82e00b
[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] ae859bd05f784971f4d60a94d96155da265e34098d34f74d8213df66625b2040
[INFO] running `Command { std: "docker" "start" "-a" "ae859bd05f784971f4d60a94d96155da265e34098d34f74d8213df66625b2040", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking ch8-isa v0.1.1
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ch8-isa-0.1.1/src/data/skip_data.rs:190:25
[INFO] [stdout]     |
[INFO] [stdout] 190 | /                         match self.nn {
[INFO] [stdout] 191 | |                             Some(n) => {
[INFO] [stdout] 192 | |                                 let mut code = 0x3000;
[INFO] [stdout] 193 | |                                 code |= (self.vx.to_id() as u16) << 8;
[INFO] [stdout] ...   |
[INFO] [stdout] 199 | |                             }
[INFO] [stdout] 200 | |                         }
[INFO] [stdout]     | |_________________________^ cannot satisfy `_ -> _`
[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 E0284`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ch8-isa` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ae859bd05f784971f4d60a94d96155da265e34098d34f74d8213df66625b2040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae859bd05f784971f4d60a94d96155da265e34098d34f74d8213df66625b2040", kill_on_drop: false }`
[INFO] [stdout] ae859bd05f784971f4d60a94d96155da265e34098d34f74d8213df66625b2040