[INFO] fetching crate bhsh 0.1.0...
[INFO] checking bhsh-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate bhsh 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate bhsh 0.1.0 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 bhsh 0.1.0
[INFO] finished tweaking crates.io crate bhsh 0.1.0
[INFO] tweaked toml for crates.io crate bhsh 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate bhsh 0.1.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded ctrlc v3.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d1998945e24ecc166f63085616348d8dff543e3b43a4610e3f5b3e7c81f59645
[INFO] running `Command { std: "docker" "start" "-a" "d1998945e24ecc166f63085616348d8dff543e3b43a4610e3f5b3e7c81f59645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1998945e24ecc166f63085616348d8dff543e3b43a4610e3f5b3e7c81f59645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1998945e24ecc166f63085616348d8dff543e3b43a4610e3f5b3e7c81f59645", kill_on_drop: false }`
[INFO] [stdout] d1998945e24ecc166f63085616348d8dff543e3b43a4610e3f5b3e7c81f59645
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0fa3b57009ba232385d888d291d68ef879693a8891f9f0aa96b33d2e9fb32faf
[INFO] running `Command { std: "docker" "start" "-a" "0fa3b57009ba232385d888d291d68ef879693a8891f9f0aa96b33d2e9fb32faf", kill_on_drop: false }`
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking ctrlc v3.4.0
[INFO] [stderr]     Checking bhsh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "0fa3b57009ba232385d888d291d68ef879693a8891f9f0aa96b33d2e9fb32faf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fa3b57009ba232385d888d291d68ef879693a8891f9f0aa96b33d2e9fb32faf", kill_on_drop: false }`
[INFO] [stdout] 0fa3b57009ba232385d888d291d68ef879693a8891f9f0aa96b33d2e9fb32faf
[INFO] checking bhsh-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate bhsh 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate bhsh 0.1.0 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 bhsh 0.1.0
[INFO] finished tweaking crates.io crate bhsh 0.1.0
[INFO] tweaked toml for crates.io crate bhsh 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate bhsh 0.1.0 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a5773fb83f5ebdc05d275ee95f9e8c2ddd608bc19e58064ccd6fd471a56bdc1d
[INFO] running `Command { std: "docker" "start" "-a" "a5773fb83f5ebdc05d275ee95f9e8c2ddd608bc19e58064ccd6fd471a56bdc1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5773fb83f5ebdc05d275ee95f9e8c2ddd608bc19e58064ccd6fd471a56bdc1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5773fb83f5ebdc05d275ee95f9e8c2ddd608bc19e58064ccd6fd471a56bdc1d", kill_on_drop: false }`
[INFO] [stdout] a5773fb83f5ebdc05d275ee95f9e8c2ddd608bc19e58064ccd6fd471a56bdc1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2c6972d65fbdba7f2a42d71b9375893249a91bf9c85f019bac8bae962668c9aa
[INFO] running `Command { std: "docker" "start" "-a" "2c6972d65fbdba7f2a42d71b9375893249a91bf9c85f019bac8bae962668c9aa", kill_on_drop: false }`
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking ctrlc v3.4.0
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ctrlc-3.4.0/src/lib.rs:144:16
[INFO] [stdout]     |
[INFO] [stdout] 144 |         .spawn(move || loop {
[INFO] [stdout]     |          ----- ^^^^^^^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `_: Send`
[INFO] [stdout] note: required by a bound in `Builder::spawn`
[INFO] [stdout]    --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/mod.rs:381:5
[INFO] [stdout] help: try giving this closure an explicit return type
[INFO] [stdout]     |
[INFO] [stdout] 144 ~         .spawn(move || -> /* Type */ { loop {
[INFO] [stdout] 145 |             unsafe {
[INFO] [stdout]   ...
[INFO] [stdout] 148 |             user_handler();
[INFO] [stdout] 149 ~         } })
[INFO] [stdout]     |
[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 E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ctrlc` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2c6972d65fbdba7f2a42d71b9375893249a91bf9c85f019bac8bae962668c9aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c6972d65fbdba7f2a42d71b9375893249a91bf9c85f019bac8bae962668c9aa", kill_on_drop: false }`
[INFO] [stdout] 2c6972d65fbdba7f2a42d71b9375893249a91bf9c85f019bac8bae962668c9aa