[INFO] cloning repository https://github.com/generativecodes/threading2 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/generativecodes/threading2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgenerativecodes%2Fthreading2", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgenerativecodes%2Fthreading2'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c87498d22df2b5f1628c3391ce9596b4e9310205 [INFO] checking generativecodes/threading2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgenerativecodes%2Fthreading2" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/generativecodes/threading2 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/generativecodes/threading2 [INFO] finished tweaking git repo https://github.com/generativecodes/threading2 [INFO] tweaked toml for git repo https://github.com/generativecodes/threading2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/generativecodes/threading2 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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b138c7390f48b66eda3a41ecadbebd2e065748652377fd1729e40d88f07f390e [INFO] running `Command { std: "docker" "start" "-a" "b138c7390f48b66eda3a41ecadbebd2e065748652377fd1729e40d88f07f390e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b138c7390f48b66eda3a41ecadbebd2e065748652377fd1729e40d88f07f390e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b138c7390f48b66eda3a41ecadbebd2e065748652377fd1729e40d88f07f390e", kill_on_drop: false }` [INFO] [stdout] b138c7390f48b66eda3a41ecadbebd2e065748652377fd1729e40d88f07f390e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ee5affee70bf4c44c2ee61f43fc9b25990539b8776d448834b81645e6735dcda [INFO] running `Command { std: "docker" "start" "-a" "ee5affee70bf4c44c2ee61f43fc9b25990539b8776d448834b81645e6735dcda", kill_on_drop: false }` [INFO] [stderr] Checking threading2 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let mut myObj = MyStrct { etwas: 5 }; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `myObj` should have a snake case name [INFO] [stdout] --> src/main.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | let mut myObj = MyStrct { etwas: 5 }; [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `my_obj` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let mut myObj = MyStrct { etwas: 5 }; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `myObj` should have a snake case name [INFO] [stdout] --> src/main.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | let mut myObj = MyStrct { etwas: 5 }; [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `my_obj` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `myObj` should have a snake case name [INFO] [stdout] --> src/main.rs:17:21 [INFO] [stdout] | [INFO] [stdout] 17 | let mut myObj = data.lock().unwrap(); [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `my_obj` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `myObj` should have a snake case name [INFO] [stdout] --> src/main.rs:29:21 [INFO] [stdout] | [INFO] [stdout] 29 | let mut myObj = data2.lock().unwrap(); [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `my_obj` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `myObj` should have a snake case name [INFO] [stdout] --> src/main.rs:17:21 [INFO] [stdout] | [INFO] [stdout] 17 | let mut myObj = data.lock().unwrap(); [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `my_obj` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `myObj` should have a snake case name [INFO] [stdout] --> src/main.rs:29:21 [INFO] [stdout] | [INFO] [stdout] 29 | let mut myObj = data2.lock().unwrap(); [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `my_obj` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] running `Command { std: "docker" "inspect" "ee5affee70bf4c44c2ee61f43fc9b25990539b8776d448834b81645e6735dcda", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee5affee70bf4c44c2ee61f43fc9b25990539b8776d448834b81645e6735dcda", kill_on_drop: false }` [INFO] [stdout] ee5affee70bf4c44c2ee61f43fc9b25990539b8776d448834b81645e6735dcda [INFO] checking generativecodes/threading2 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgenerativecodes%2Fthreading2" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/generativecodes/threading2 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/generativecodes/threading2 [INFO] finished tweaking git repo https://github.com/generativecodes/threading2 [INFO] tweaked toml for git repo https://github.com/generativecodes/threading2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/generativecodes/threading2 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b4864ee7e09c8889796ab89091978a6979bcf9e5eec678fa41e57d15f6e770ee [INFO] running `Command { std: "docker" "start" "-a" "b4864ee7e09c8889796ab89091978a6979bcf9e5eec678fa41e57d15f6e770ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b4864ee7e09c8889796ab89091978a6979bcf9e5eec678fa41e57d15f6e770ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4864ee7e09c8889796ab89091978a6979bcf9e5eec678fa41e57d15f6e770ee", kill_on_drop: false }` [INFO] [stdout] b4864ee7e09c8889796ab89091978a6979bcf9e5eec678fa41e57d15f6e770ee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e63be7446d2dbdba5d9beb70d2fabc843999e2b271c2b1e99c2accec3229b3c6 [INFO] running `Command { std: "docker" "start" "-a" "e63be7446d2dbdba5d9beb70d2fabc843999e2b271c2b1e99c2accec3229b3c6", kill_on_drop: false }` [INFO] [stderr] Checking threading2 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0283]: type annotations needed for `JoinHandle` [INFO] [stdout] --> src/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let handle = spawn(move || loop { [INFO] [stdout] | _________^^^^^^___- [INFO] [stdout] 13 | | // move: take what you need and keep it [INFO] [stdout] 14 | | println!("notice me"); [INFO] [stdout] ... | [INFO] [stdout] 22 | | sleep(Duration::from_secs(5)); [INFO] [stdout] 23 | | }); [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 `handle` an explicit type, where the type for type parameter `T` is specified [INFO] [stdout] | [INFO] [stdout] 12 | let handle: JoinHandle = spawn(move || loop { [INFO] [stdout] | +++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed for `JoinHandle` [INFO] [stdout] --> src/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let handle = spawn(move || loop { [INFO] [stdout] | _________^^^^^^___- [INFO] [stdout] 13 | | // move: take what you need and keep it [INFO] [stdout] 14 | | println!("notice me"); [INFO] [stdout] ... | [INFO] [stdout] 22 | | sleep(Duration::from_secs(5)); [INFO] [stdout] 23 | | }); [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 `handle` an explicit type, where the type for type parameter `T` is specified [INFO] [stdout] | [INFO] [stdout] 12 | let handle: JoinHandle = 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 `threading2` (bin "threading2") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `threading2` (bin "threading2" test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "e63be7446d2dbdba5d9beb70d2fabc843999e2b271c2b1e99c2accec3229b3c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e63be7446d2dbdba5d9beb70d2fabc843999e2b271c2b1e99c2accec3229b3c6", kill_on_drop: false }` [INFO] [stdout] e63be7446d2dbdba5d9beb70d2fabc843999e2b271c2b1e99c2accec3229b3c6