[INFO] fetching crate thread-time 1.0.0...
[INFO] checking thread-time-1.0.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate thread-time 1.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate thread-time 1.0.0 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 thread-time 1.0.0
[INFO] finished tweaking crates.io crate thread-time 1.0.0
[INFO] tweaked toml for crates.io crate thread-time 1.0.0 written to /workspace/builds/worker-4-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 2 packages
[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-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] bbde5aa5fdb530fdd4a54172bae3bba9e82c59ef49ed1ca62785f37c38b18ccd
[INFO] running `Command { std: "docker" "start" "-a" "bbde5aa5fdb530fdd4a54172bae3bba9e82c59ef49ed1ca62785f37c38b18ccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbde5aa5fdb530fdd4a54172bae3bba9e82c59ef49ed1ca62785f37c38b18ccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbde5aa5fdb530fdd4a54172bae3bba9e82c59ef49ed1ca62785f37c38b18ccd", kill_on_drop: false }`
[INFO] [stdout] bbde5aa5fdb530fdd4a54172bae3bba9e82c59ef49ed1ca62785f37c38b18ccd
[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] dec8eefe307d0d928c43d2f412d2d5e3becf73f17f0a85489f229af6044be54b
[INFO] running `Command { std: "docker" "start" "-a" "dec8eefe307d0d928c43d2f412d2d5e3becf73f17f0a85489f229af6044be54b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking thread-time v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> tests/time.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let t = thread::spawn(move|| {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "dec8eefe307d0d928c43d2f412d2d5e3becf73f17f0a85489f229af6044be54b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dec8eefe307d0d928c43d2f412d2d5e3becf73f17f0a85489f229af6044be54b", kill_on_drop: false }`
[INFO] [stdout] dec8eefe307d0d928c43d2f412d2d5e3becf73f17f0a85489f229af6044be54b
[INFO] checking thread-time-1.0.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate thread-time 1.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate thread-time 1.0.0 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 thread-time 1.0.0
[INFO] finished tweaking crates.io crate thread-time 1.0.0
[INFO] tweaked toml for crates.io crate thread-time 1.0.0 written to /workspace/builds/worker-4-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-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] e657d0240f70719eeb990e34e401cda0b66c09651ede879f39e06db8b0498f0a
[INFO] running `Command { std: "docker" "start" "-a" "e657d0240f70719eeb990e34e401cda0b66c09651ede879f39e06db8b0498f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e657d0240f70719eeb990e34e401cda0b66c09651ede879f39e06db8b0498f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e657d0240f70719eeb990e34e401cda0b66c09651ede879f39e06db8b0498f0a", kill_on_drop: false }`
[INFO] [stdout] e657d0240f70719eeb990e34e401cda0b66c09651ede879f39e06db8b0498f0a
[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] 040eb74efd9e92a8d9ce34f713ae82d5dbc4a6351c95f1421d5fad1e83067d7d
[INFO] running `Command { std: "docker" "start" "-a" "040eb74efd9e92a8d9ce34f713ae82d5dbc4a6351c95f1421d5fad1e83067d7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking thread-time v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0283]: type annotations needed for `JoinHandle<T>`
[INFO] [stdout]   --> tests/time.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |       let t = thread::spawn(move|| {
[INFO] [stdout]    |  _________^___-
[INFO] [stdout] 43 | |         let time = ThreadTime::new();
[INFO] [stdout] 44 | |         tx.send(time).unwrap();
[INFO] [stdout] 45 | |         loop {}
[INFO] [stdout] 46 | |     });
[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 `spawn`
[INFO] [stdout]   --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/mod.rs:672:1
[INFO] [stdout] help: consider giving `t` an explicit type, where the type for type parameter `T` is specified
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let t: JoinHandle<T> = thread::spawn(move|| {
[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 `thread-time` (test "time") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "040eb74efd9e92a8d9ce34f713ae82d5dbc4a6351c95f1421d5fad1e83067d7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "040eb74efd9e92a8d9ce34f713ae82d5dbc4a6351c95f1421d5fad1e83067d7d", kill_on_drop: false }`
[INFO] [stdout] 040eb74efd9e92a8d9ce34f713ae82d5dbc4a6351c95f1421d5fad1e83067d7d