[INFO] fetching crate repeated-assert 0.3.0...
[INFO] checking repeated-assert-0.3.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate repeated-assert 0.3.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate repeated-assert 0.3.0 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 repeated-assert 0.3.0
[INFO] finished tweaking crates.io crate repeated-assert 0.3.0
[INFO] tweaked toml for crates.io crate repeated-assert 0.3.0 written to /workspace/builds/worker-1-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 34 packages
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] de49a7c12ba8d5ac53cc0275c313835d2077e137f1fc2a71fba7e22d1b9f48fa
[INFO] running `Command { std: "docker" "start" "-a" "de49a7c12ba8d5ac53cc0275c313835d2077e137f1fc2a71fba7e22d1b9f48fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de49a7c12ba8d5ac53cc0275c313835d2077e137f1fc2a71fba7e22d1b9f48fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de49a7c12ba8d5ac53cc0275c313835d2077e137f1fc2a71fba7e22d1b9f48fa", kill_on_drop: false }`
[INFO] [stdout] de49a7c12ba8d5ac53cc0275c313835d2077e137f1fc2a71fba7e22d1b9f48fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 95695e52ba6140ca3949fad7c39ea156c1f6cb263597116acf20268dd8ce3ced
[INFO] running `Command { std: "docker" "start" "-a" "95695e52ba6140ca3949fad7c39ea156c1f6cb263597116acf20268dd8ce3ced", kill_on_drop: false }`
[INFO] [stderr]     Checking repeated-assert v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "95695e52ba6140ca3949fad7c39ea156c1f6cb263597116acf20268dd8ce3ced", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95695e52ba6140ca3949fad7c39ea156c1f6cb263597116acf20268dd8ce3ced", kill_on_drop: false }`
[INFO] [stdout] 95695e52ba6140ca3949fad7c39ea156c1f6cb263597116acf20268dd8ce3ced
[INFO] checking repeated-assert-0.3.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate repeated-assert 0.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate repeated-assert 0.3.0 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 repeated-assert 0.3.0
[INFO] finished tweaking crates.io crate repeated-assert 0.3.0
[INFO] tweaked toml for crates.io crate repeated-assert 0.3.0 written to /workspace/builds/worker-1-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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b15e537651fb7ab3f1ea96247fc042ef58d52af53236008501b2227d2d0beba3
[INFO] running `Command { std: "docker" "start" "-a" "b15e537651fb7ab3f1ea96247fc042ef58d52af53236008501b2227d2d0beba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b15e537651fb7ab3f1ea96247fc042ef58d52af53236008501b2227d2d0beba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b15e537651fb7ab3f1ea96247fc042ef58d52af53236008501b2227d2d0beba3", kill_on_drop: false }`
[INFO] [stdout] b15e537651fb7ab3f1ea96247fc042ef58d52af53236008501b2227d2d0beba3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ef918e6ea05b1dac035c155377550e84b4b1747574ed6c3b5b3c3340d7b85cec
[INFO] running `Command { std: "docker" "start" "-a" "ef918e6ea05b1dac035c155377550e84b4b1747574ed6c3b5b3c3340d7b85cec", kill_on_drop: false }`
[INFO] [stderr]     Checking repeated-assert v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> src/macros.rs:111:23
[INFO] [stdout]     |
[INFO] [stdout] 111 |         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] 111 ~         thread::spawn(move || -> /* Type */ { loop {
[INFO] [stdout] 112 |             thread::sleep(Duration::from_millis(10 * STEP_MS));
[INFO] [stdout]   ...
[INFO] [stdout] 115 |             }
[INFO] [stdout] 116 ~         } });
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> src/lib.rs:326:23
[INFO] [stdout]     |
[INFO] [stdout] 326 |         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] 326 ~         thread::spawn(move || -> /* Type */ { loop {
[INFO] [stdout] 327 |             thread::sleep(Duration::from_millis(10 * STEP_MS));
[INFO] [stdout]   ...
[INFO] [stdout] 330 |             }
[INFO] [stdout] 331 ~         } });
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `repeated-assert` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "ef918e6ea05b1dac035c155377550e84b4b1747574ed6c3b5b3c3340d7b85cec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef918e6ea05b1dac035c155377550e84b4b1747574ed6c3b5b3c3340d7b85cec", kill_on_drop: false }`
[INFO] [stdout] ef918e6ea05b1dac035c155377550e84b4b1747574ed6c3b5b3c3340d7b85cec