[INFO] fetching crate rvemu 0.0.11... [INFO] checking rvemu-0.0.11 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate rvemu 0.0.11 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate rvemu 0.0.11 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 rvemu 0.0.11 [INFO] finished tweaking crates.io crate rvemu 0.0.11 [INFO] tweaked toml for crates.io crate rvemu 0.0.11 written to /workspace/builds/worker-3-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 17 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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9e199bc37fb3d1500b1f9db7be1b53487500a8cdee57614d440a64e827d22626 [INFO] running `Command { std: "docker" "start" "-a" "9e199bc37fb3d1500b1f9db7be1b53487500a8cdee57614d440a64e827d22626", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9e199bc37fb3d1500b1f9db7be1b53487500a8cdee57614d440a64e827d22626", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e199bc37fb3d1500b1f9db7be1b53487500a8cdee57614d440a64e827d22626", kill_on_drop: false }` [INFO] [stdout] 9e199bc37fb3d1500b1f9db7be1b53487500a8cdee57614d440a64e827d22626 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 12bd52612af27085aa35e5a76cc1255718ae802b2688206db63b2556fb126c11 [INFO] running `Command { std: "docker" "start" "-a" "12bd52612af27085aa35e5a76cc1255718ae802b2688206db63b2556fb126c11", kill_on_drop: false }` [INFO] [stderr] Checking rvemu v0.0.11 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `flags` is never read [INFO] [stdout] --> src/devices/virtio_blk.rs:250:5 [INFO] [stdout] | [INFO] [stdout] 249 | struct VirtqAvail { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 250 | flags: u16, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `VirtqAvail` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `flags` is never read [INFO] [stdout] --> src/devices/virtio_blk.rs:250:5 [INFO] [stdout] | [INFO] [stdout] 249 | struct VirtqAvail { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 250 | flags: u16, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `VirtqAvail` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s [INFO] running `Command { std: "docker" "inspect" "12bd52612af27085aa35e5a76cc1255718ae802b2688206db63b2556fb126c11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12bd52612af27085aa35e5a76cc1255718ae802b2688206db63b2556fb126c11", kill_on_drop: false }` [INFO] [stdout] 12bd52612af27085aa35e5a76cc1255718ae802b2688206db63b2556fb126c11 [INFO] checking rvemu-0.0.11 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate rvemu 0.0.11 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate rvemu 0.0.11 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 rvemu 0.0.11 [INFO] finished tweaking crates.io crate rvemu 0.0.11 [INFO] tweaked toml for crates.io crate rvemu 0.0.11 written to /workspace/builds/worker-3-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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 0ea17fb332df09b378357e934fe13dd71e876d0aad22a7dc439dec2be67d18dc [INFO] running `Command { std: "docker" "start" "-a" "0ea17fb332df09b378357e934fe13dd71e876d0aad22a7dc439dec2be67d18dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0ea17fb332df09b378357e934fe13dd71e876d0aad22a7dc439dec2be67d18dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0ea17fb332df09b378357e934fe13dd71e876d0aad22a7dc439dec2be67d18dc", kill_on_drop: false }` [INFO] [stdout] 0ea17fb332df09b378357e934fe13dd71e876d0aad22a7dc439dec2be67d18dc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d501b2921cbde9bcd553bb114a26fb4b4b98827e44d44f26fa8ceb3274c94641 [INFO] running `Command { std: "docker" "start" "-a" "d501b2921cbde9bcd553bb114a26fb4b4b98827e44d44f26fa8ceb3274c94641", kill_on_drop: false }` [INFO] [stderr] Checking rvemu v0.0.11 (/opt/rustwide/workdir) [INFO] [stdout] error[E0283]: type annotations needed for `JoinHandle` [INFO] [stdout] --> src/devices/uart_cli.rs:72:13 [INFO] [stdout] | [INFO] [stdout] 72 | let _uart_thread_for_read = thread::spawn(move || loop { [INFO] [stdout] | _____________^^^^^^^^^^^^^^^^^^^^^___- [INFO] [stdout] 73 | | match io::stdin().read(&mut byte) { [INFO] [stdout] 74 | | Ok(_) => { [INFO] [stdout] 75 | | let (uart, cvar) = &*cloned_uart; [INFO] [stdout] ... | [INFO] [stdout] 89 | | } [INFO] [stdout] 90 | | }); [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 `_uart_thread_for_read` an explicit type, where the type for type parameter `T` is specified [INFO] [stdout] | [INFO] [stdout] 72 | let _uart_thread_for_read: JoinHandle = thread::spawn(move || loop { [INFO] [stdout] | +++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed for `JoinHandle` [INFO] [stdout] --> src/devices/uart_cli.rs:72:13 [INFO] [stdout] | [INFO] [stdout] 72 | let _uart_thread_for_read = thread::spawn(move || loop { [INFO] [stdout] | _____________^^^^^^^^^^^^^^^^^^^^^___- [INFO] [stdout] 73 | | match io::stdin().read(&mut byte) { [INFO] [stdout] 74 | | Ok(_) => { [INFO] [stdout] 75 | | let (uart, cvar) = &*cloned_uart; [INFO] [stdout] ... | [INFO] [stdout] 89 | | } [INFO] [stdout] 90 | | }); [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 `_uart_thread_for_read` an explicit type, where the type for type parameter `T` is specified [INFO] [stdout] | [INFO] [stdout] 72 | let _uart_thread_for_read: JoinHandle = thread::spawn(move || loop { [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 `rvemu` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `rvemu` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "d501b2921cbde9bcd553bb114a26fb4b4b98827e44d44f26fa8ceb3274c94641", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d501b2921cbde9bcd553bb114a26fb4b4b98827e44d44f26fa8ceb3274c94641", kill_on_drop: false }` [INFO] [stdout] d501b2921cbde9bcd553bb114a26fb4b4b98827e44d44f26fa8ceb3274c94641