[INFO] cloning repository https://github.com/lupont/rbar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lupont/rbar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flupont%2Frbar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flupont%2Frbar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da36ea195d96f69b28381dd4ccd8fcc165d2646c
[INFO] checking lupont/rbar against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flupont%2Frbar" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lupont/rbar 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 git repo https://github.com/lupont/rbar
[INFO] finished tweaking git repo https://github.com/lupont/rbar
[INFO] tweaked toml for git repo https://github.com/lupont/rbar written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lupont/rbar 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] 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] 394f6e5443414ddbc32b536c46a32de40ae2c98a8edc10d9383111f55f6b0303
[INFO] running `Command { std: "docker" "start" "-a" "394f6e5443414ddbc32b536c46a32de40ae2c98a8edc10d9383111f55f6b0303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "394f6e5443414ddbc32b536c46a32de40ae2c98a8edc10d9383111f55f6b0303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "394f6e5443414ddbc32b536c46a32de40ae2c98a8edc10d9383111f55f6b0303", kill_on_drop: false }`
[INFO] [stdout] 394f6e5443414ddbc32b536c46a32de40ae2c98a8edc10d9383111f55f6b0303
[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] 103f3df3d8164e321293483be2639ba302405a365776026e21918748b3cde093
[INFO] running `Command { std: "docker" "start" "-a" "103f3df3d8164e321293483be2639ba302405a365776026e21918748b3cde093", kill_on_drop: false }`
[INFO] [stderr]     Checking rbar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "103f3df3d8164e321293483be2639ba302405a365776026e21918748b3cde093", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "103f3df3d8164e321293483be2639ba302405a365776026e21918748b3cde093", kill_on_drop: false }`
[INFO] [stdout] 103f3df3d8164e321293483be2639ba302405a365776026e21918748b3cde093
[INFO] checking lupont/rbar against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flupont%2Frbar" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lupont/rbar 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 git repo https://github.com/lupont/rbar
[INFO] finished tweaking git repo https://github.com/lupont/rbar
[INFO] tweaked toml for git repo https://github.com/lupont/rbar written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/lupont/rbar 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] 76bfc6674936557773fc208069fc7a26ba6eed28a1fc7ad43426edbe301a2942
[INFO] running `Command { std: "docker" "start" "-a" "76bfc6674936557773fc208069fc7a26ba6eed28a1fc7ad43426edbe301a2942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76bfc6674936557773fc208069fc7a26ba6eed28a1fc7ad43426edbe301a2942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76bfc6674936557773fc208069fc7a26ba6eed28a1fc7ad43426edbe301a2942", kill_on_drop: false }`
[INFO] [stdout] 76bfc6674936557773fc208069fc7a26ba6eed28a1fc7ad43426edbe301a2942
[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] 18d80e8231d82828acba5593e64274209587a2e5786eeaac535e55813a60d26f
[INFO] running `Command { std: "docker" "start" "-a" "18d80e8231d82828acba5593e64274209587a2e5786eeaac535e55813a60d26f", kill_on_drop: false }`
[INFO] [stderr]     Checking rbar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/main.rs:42:23
[INFO] [stdout]    |
[INFO] [stdout] 42 |         thread::spawn(move || loop {
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `_: Send`
[INFO] [stdout] note: required by a bound in `spawn`
[INFO] [stdout]   --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/mod.rs:672:1
[INFO] [stdout] help: try giving this closure an explicit return type
[INFO] [stdout]    |
[INFO] [stdout] 42 ~         thread::spawn(move || -> /* Type */ { loop {
[INFO] [stdout] 43 |             // Evaluate the block and send it to the receiver
[INFO] [stdout]  ...
[INFO] [stdout] 47 |             thread::sleep(interval);
[INFO] [stdout] 48 ~         } });
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/main.rs:42:23
[INFO] [stdout]    |
[INFO] [stdout] 42 |         thread::spawn(move || loop {
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `_: Send`
[INFO] [stdout] note: required by a bound in `spawn`
[INFO] [stdout]   --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/mod.rs:672:1
[INFO] [stdout] help: try giving this closure an explicit return type
[INFO] [stdout]    |
[INFO] [stdout] 42 ~         thread::spawn(move || -> /* Type */ { loop {
[INFO] [stdout] 43 |             // Evaluate the block and send it to the receiver
[INFO] [stdout]  ...
[INFO] [stdout] 47 |             thread::sleep(interval);
[INFO] [stdout] 48 ~         } });
[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] [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 `rbar` (bin "rbar" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rbar` (bin "rbar") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "18d80e8231d82828acba5593e64274209587a2e5786eeaac535e55813a60d26f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18d80e8231d82828acba5593e64274209587a2e5786eeaac535e55813a60d26f", kill_on_drop: false }`
[INFO] [stdout] 18d80e8231d82828acba5593e64274209587a2e5786eeaac535e55813a60d26f