[INFO] fetching crate rusty-forkfork 0.4.0... [INFO] checking rusty-forkfork-0.4.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate rusty-forkfork 0.4.0 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate rusty-forkfork 0.4.0 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 rusty-forkfork 0.4.0 [INFO] finished tweaking crates.io crate rusty-forkfork 0.4.0 [INFO] tweaked toml for crates.io crate rusty-forkfork 0.4.0 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 21 packages [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding quick-error v1.2.3 (latest: v2.0.1) [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] b0ade5f66684f026954c27f62cc6e52685f373df36e32e9329116a04ea61a897 [INFO] running `Command { std: "docker" "start" "-a" "b0ade5f66684f026954c27f62cc6e52685f373df36e32e9329116a04ea61a897", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b0ade5f66684f026954c27f62cc6e52685f373df36e32e9329116a04ea61a897", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0ade5f66684f026954c27f62cc6e52685f373df36e32e9329116a04ea61a897", kill_on_drop: false }` [INFO] [stdout] b0ade5f66684f026954c27f62cc6e52685f373df36e32e9329116a04ea61a897 [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] 9532fa4b4ba29bfa7089e32a5ea45f17c84825734b331e180eaf387e49ede392 [INFO] running `Command { std: "docker" "start" "-a" "9532fa4b4ba29bfa7089e32a5ea45f17c84825734b331e180eaf387e49ede392", kill_on_drop: false }` [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Checking fastrand v2.0.2 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking tempfile v3.10.1 [INFO] [stderr] Checking rusty-forkfork v0.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.56s [INFO] running `Command { std: "docker" "inspect" "9532fa4b4ba29bfa7089e32a5ea45f17c84825734b331e180eaf387e49ede392", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9532fa4b4ba29bfa7089e32a5ea45f17c84825734b331e180eaf387e49ede392", kill_on_drop: false }` [INFO] [stdout] 9532fa4b4ba29bfa7089e32a5ea45f17c84825734b331e180eaf387e49ede392 [INFO] checking rusty-forkfork-0.4.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate rusty-forkfork 0.4.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate rusty-forkfork 0.4.0 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 rusty-forkfork 0.4.0 [INFO] finished tweaking crates.io crate rusty-forkfork 0.4.0 [INFO] tweaked toml for crates.io crate rusty-forkfork 0.4.0 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] dabe6004fd69bcc9278eada9648301e40c0641777e978e800d5196382ad6d447 [INFO] running `Command { std: "docker" "start" "-a" "dabe6004fd69bcc9278eada9648301e40c0641777e978e800d5196382ad6d447", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dabe6004fd69bcc9278eada9648301e40c0641777e978e800d5196382ad6d447", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dabe6004fd69bcc9278eada9648301e40c0641777e978e800d5196382ad6d447", kill_on_drop: false }` [INFO] [stdout] dabe6004fd69bcc9278eada9648301e40c0641777e978e800d5196382ad6d447 [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] adc217d5cc64dd9f51c25024d9274fb39874ef8b76baa58ac79c3d11690f7307 [INFO] running `Command { std: "docker" "start" "-a" "adc217d5cc64dd9f51c25024d9274fb39874ef8b76baa58ac79c3d11690f7307", kill_on_drop: false }` [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Checking fastrand v2.0.2 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking tempfile v3.10.1 [INFO] [stderr] Checking rusty-forkfork v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/fork.rs:358:21 [INFO] [stdout] | [INFO] [stdout] 358 | |_, _| panic!("testing a panic, nothing to see here"), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: try giving this closure an explicit return type [INFO] [stdout] | [INFO] [stdout] 358 | |_, _| -> /* Type */ panic!("testing a panic, nothing to see here"), [INFO] [stdout] | +++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/fork.rs:380:22 [INFO] [stdout] | [INFO] [stdout] 380 | let status = fork( [INFO] [stdout] | ^^^^ cannot infer type of the type parameter `E` declared on the function `fork` [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `_: Debug` [INFO] [stdout] note: required by a bound in `fork::fork` [INFO] [stdout] --> src/fork.rs:108:51 [INFO] [stdout] | [INFO] [stdout] 108 | pub fn fork( [INFO] [stdout] | ^^^^^ required by this bound in `fork` [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 380 | let status = fork::( [INFO] [stdout] | +++++++++++++++++++++++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0282, E0283. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rusty-forkfork` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "adc217d5cc64dd9f51c25024d9274fb39874ef8b76baa58ac79c3d11690f7307", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "adc217d5cc64dd9f51c25024d9274fb39874ef8b76baa58ac79c3d11690f7307", kill_on_drop: false }` [INFO] [stdout] adc217d5cc64dd9f51c25024d9274fb39874ef8b76baa58ac79c3d11690f7307