[INFO] cloning repository https://github.com/alekspickle/mutex-test [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alekspickle/mutex-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falekspickle%2Fmutex-test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falekspickle%2Fmutex-test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e713c84c043f2a1480002f680d41bd40c20558ee [INFO] checking alekspickle/mutex-test against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falekspickle%2Fmutex-test" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/alekspickle/mutex-test 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/alekspickle/mutex-test [INFO] finished tweaking git repo https://github.com/alekspickle/mutex-test [INFO] tweaked toml for git repo https://github.com/alekspickle/mutex-test written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/alekspickle/mutex-test 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-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] 70d089f5e3b40866d6ca06f0a6bc0e58979baddb6b3fca4b9c5de8defd02c199 [INFO] running `Command { std: "docker" "start" "-a" "70d089f5e3b40866d6ca06f0a6bc0e58979baddb6b3fca4b9c5de8defd02c199", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "70d089f5e3b40866d6ca06f0a6bc0e58979baddb6b3fca4b9c5de8defd02c199", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70d089f5e3b40866d6ca06f0a6bc0e58979baddb6b3fca4b9c5de8defd02c199", kill_on_drop: false }` [INFO] [stdout] 70d089f5e3b40866d6ca06f0a6bc0e58979baddb6b3fca4b9c5de8defd02c199 [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] 51f3c54aead5c3e9d0f99ed1dc9f18527ca1a780645eaf1baa08935ce47eb259 [INFO] running `Command { std: "docker" "start" "-a" "51f3c54aead5c3e9d0f99ed1dc9f18527ca1a780645eaf1baa08935ce47eb259", kill_on_drop: false }` [INFO] [stderr] Checking player-demo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated functions `jump_right`, `jump_up`, `jump_down`, `eat_potato`, and `eat_cucumber` are never used [INFO] [stdout] --> src/executor.rs:80:12 [INFO] [stdout] | [INFO] [stdout] 73 | impl Message { [INFO] [stdout] | ------------ associated functions in this implementation [INFO] [stdout] ... [INFO] [stdout] 80 | pub fn jump_right(player: u32) -> Message { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | pub fn jump_up(player: u32) -> Message { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 92 | pub fn jump_down(player: u32) -> Message { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 104 | pub fn eat_potato(player: u32) -> Message { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 110 | pub fn eat_cucumber(player: u32) -> Message { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [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: associated functions `jump_right`, `jump_up`, `jump_down`, `eat_potato`, and `eat_cucumber` are never used [INFO] [stdout] --> src/executor.rs:80:12 [INFO] [stdout] | [INFO] [stdout] 73 | impl Message { [INFO] [stdout] | ------------ associated functions in this implementation [INFO] [stdout] ... [INFO] [stdout] 80 | pub fn jump_right(player: u32) -> Message { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | pub fn jump_up(player: u32) -> Message { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 92 | pub fn jump_down(player: u32) -> Message { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 104 | pub fn eat_potato(player: u32) -> Message { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 110 | pub fn eat_cucumber(player: u32) -> Message { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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 0.08s [INFO] running `Command { std: "docker" "inspect" "51f3c54aead5c3e9d0f99ed1dc9f18527ca1a780645eaf1baa08935ce47eb259", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51f3c54aead5c3e9d0f99ed1dc9f18527ca1a780645eaf1baa08935ce47eb259", kill_on_drop: false }` [INFO] [stdout] 51f3c54aead5c3e9d0f99ed1dc9f18527ca1a780645eaf1baa08935ce47eb259 [INFO] checking alekspickle/mutex-test against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falekspickle%2Fmutex-test" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/alekspickle/mutex-test 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/alekspickle/mutex-test [INFO] finished tweaking git repo https://github.com/alekspickle/mutex-test [INFO] tweaked toml for git repo https://github.com/alekspickle/mutex-test written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/alekspickle/mutex-test 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-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] 0e15e64d4fb88adb4016fefa4a3832d4773da28a7b43bf70093b4657bf39d2d6 [INFO] running `Command { std: "docker" "start" "-a" "0e15e64d4fb88adb4016fefa4a3832d4773da28a7b43bf70093b4657bf39d2d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0e15e64d4fb88adb4016fefa4a3832d4773da28a7b43bf70093b4657bf39d2d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e15e64d4fb88adb4016fefa4a3832d4773da28a7b43bf70093b4657bf39d2d6", kill_on_drop: false }` [INFO] [stdout] 0e15e64d4fb88adb4016fefa4a3832d4773da28a7b43bf70093b4657bf39d2d6 [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] 4817cf86e54bc81b5dc59426072fdab3cb155b8454b39e509975288eaa9386e9 [INFO] running `Command { std: "docker" "start" "-a" "4817cf86e54bc81b5dc59426072fdab3cb155b8454b39e509975288eaa9386e9", kill_on_drop: false }` [INFO] [stderr] Checking player-demo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/main.rs:26:59 [INFO] [stdout] | [INFO] [stdout] 26 | thread::Builder::new().name("main loop".into()).spawn(move || { [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] 26 | thread::Builder::new().name("main loop".into()).spawn(move || -> /* Type */ { [INFO] [stdout] | +++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/main.rs:26:59 [INFO] [stdout] | [INFO] [stdout] 26 | thread::Builder::new().name("main loop".into()).spawn(move || { [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] 26 | thread::Builder::new().name("main loop".into()).spawn(move || -> /* Type */ { [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 `player-demo` (bin "player-demo" test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `player-demo` (bin "player-demo") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "4817cf86e54bc81b5dc59426072fdab3cb155b8454b39e509975288eaa9386e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4817cf86e54bc81b5dc59426072fdab3cb155b8454b39e509975288eaa9386e9", kill_on_drop: false }` [INFO] [stdout] 4817cf86e54bc81b5dc59426072fdab3cb155b8454b39e509975288eaa9386e9