[INFO] fetching crate argonfand 1.0.3...
[INFO] checking argonfand-1.0.3 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate argonfand 1.0.3 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate argonfand 1.0.3 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 argonfand 1.0.3
[INFO] finished tweaking crates.io crate argonfand 1.0.3
[INFO] tweaked toml for crates.io crate argonfand 1.0.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate argonfand 1.0.3 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 toml v0.5.8
[INFO] [stderr]   Downloaded alloc-traits v0.1.1
[INFO] [stderr]   Downloaded static-alloc v0.2.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.26
[INFO] [stderr]   Downloaded gpio v0.4.1
[INFO] [stderr]   Downloaded gumdrop_derive v0.8.0
[INFO] [stderr]   Downloaded gumdrop v0.8.0
[INFO] [stderr]   Downloaded serde_derive v1.0.125
[INFO] [stderr]   Downloaded rppal v0.11.3
[INFO] [stderr]   Downloaded serde v1.0.125
[INFO] [stderr]   Downloaded syn v1.0.71
[INFO] [stderr]   Downloaded libc v0.2.94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 024a576d31d7c277a8be74b8f2020e88ef910036de44530afd7cce4a0c5c4a87
[INFO] running `Command { std: "docker" "start" "-a" "024a576d31d7c277a8be74b8f2020e88ef910036de44530afd7cce4a0c5c4a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "024a576d31d7c277a8be74b8f2020e88ef910036de44530afd7cce4a0c5c4a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "024a576d31d7c277a8be74b8f2020e88ef910036de44530afd7cce4a0c5c4a87", kill_on_drop: false }`
[INFO] [stdout] 024a576d31d7c277a8be74b8f2020e88ef910036de44530afd7cce4a0c5c4a87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 45a6053fdc89e90797763adf7fad2b18abdbcd2e34504d2ed7972019b9f3ae2d
[INFO] running `Command { std: "docker" "start" "-a" "45a6053fdc89e90797763adf7fad2b18abdbcd2e34504d2ed7972019b9f3ae2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking alloc-traits v0.1.1
[INFO] [stderr]     Checking gpio v0.4.1
[INFO] [stderr]     Checking static-alloc v0.2.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rppal v0.11.3
[INFO] [stderr]    Compiling gumdrop_derive v0.8.0
[INFO] [stderr]     Checking gumdrop v0.8.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking argonfand v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.22s
[INFO] running `Command { std: "docker" "inspect" "45a6053fdc89e90797763adf7fad2b18abdbcd2e34504d2ed7972019b9f3ae2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45a6053fdc89e90797763adf7fad2b18abdbcd2e34504d2ed7972019b9f3ae2d", kill_on_drop: false }`
[INFO] [stdout] 45a6053fdc89e90797763adf7fad2b18abdbcd2e34504d2ed7972019b9f3ae2d
[INFO] checking argonfand-1.0.3 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate argonfand 1.0.3 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate argonfand 1.0.3 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 argonfand 1.0.3
[INFO] finished tweaking crates.io crate argonfand 1.0.3
[INFO] tweaked toml for crates.io crate argonfand 1.0.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate argonfand 1.0.3 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b56636252baef8978f09f344742c1018f2ba9ad47fc499879695ffbdbd324f46
[INFO] running `Command { std: "docker" "start" "-a" "b56636252baef8978f09f344742c1018f2ba9ad47fc499879695ffbdbd324f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b56636252baef8978f09f344742c1018f2ba9ad47fc499879695ffbdbd324f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b56636252baef8978f09f344742c1018f2ba9ad47fc499879695ffbdbd324f46", kill_on_drop: false }`
[INFO] [stdout] b56636252baef8978f09f344742c1018f2ba9ad47fc499879695ffbdbd324f46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f96c93f9438780a1275c318d7c1c49e1dc0f9ed3b738da8961acd84debd77498
[INFO] running `Command { std: "docker" "start" "-a" "f96c93f9438780a1275c318d7c1c49e1dc0f9ed3b738da8961acd84debd77498", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking alloc-traits v0.1.1
[INFO] [stderr]     Checking gpio v0.4.1
[INFO] [stderr]     Checking static-alloc v0.2.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rppal v0.11.3
[INFO] [stderr]    Compiling gumdrop_derive v0.8.0
[INFO] [stderr]     Checking gumdrop v0.8.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking argonfand v1.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/main.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 | /         match read_temp(true) {
[INFO] [stdout] 60 | |             Ok(temp) => {
[INFO] [stdout] 61 | |                 println!("{:?}", temp);
[INFO] [stdout] 62 | |                 exit(0);
[INFO] [stdout] ...  |
[INFO] [stdout] 67 | |             },
[INFO] [stdout] 68 | |         };
[INFO] [stdout]    | |_________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/main.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 | /         match read_temp(true) {
[INFO] [stdout] 60 | |             Ok(temp) => {
[INFO] [stdout] 61 | |                 println!("{:?}", temp);
[INFO] [stdout] 62 | |                 exit(0);
[INFO] [stdout] ...  |
[INFO] [stdout] 67 | |             },
[INFO] [stdout] 68 | |         };
[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] [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 `argonfand` (bin "argonfand") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `argonfand` (bin "argonfand" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "f96c93f9438780a1275c318d7c1c49e1dc0f9ed3b738da8961acd84debd77498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f96c93f9438780a1275c318d7c1c49e1dc0f9ed3b738da8961acd84debd77498", kill_on_drop: false }`
[INFO] [stdout] f96c93f9438780a1275c318d7c1c49e1dc0f9ed3b738da8961acd84debd77498