[INFO] cloning repository https://github.com/danielhenrymantilla/ghosts.rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danielhenrymantilla/ghosts.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielhenrymantilla%2Fghosts.rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielhenrymantilla%2Fghosts.rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6de7e1a6dbbf989291b4f3a11142b7a637cd7a51 [INFO] checking danielhenrymantilla/ghosts.rs against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielhenrymantilla%2Fghosts.rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/danielhenrymantilla/ghosts.rs 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] removed /workspace/builds/worker-0-tc1/source/.cargo/config [INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/danielhenrymantilla/ghosts.rs [INFO] finished tweaking git repo https://github.com/danielhenrymantilla/ghosts.rs [INFO] tweaked toml for git repo https://github.com/danielhenrymantilla/ghosts.rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/danielhenrymantilla/ghosts.rs 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] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded never-say-never v6.6.666 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d4f4a872cd2485c860e0ea420c47f2890594a633e4bfa68e8eb6b185e3872556 [INFO] running `Command { std: "docker" "start" "-a" "d4f4a872cd2485c860e0ea420c47f2890594a633e4bfa68e8eb6b185e3872556", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d4f4a872cd2485c860e0ea420c47f2890594a633e4bfa68e8eb6b185e3872556", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4f4a872cd2485c860e0ea420c47f2890594a633e4bfa68e8eb6b185e3872556", kill_on_drop: false }` [INFO] [stdout] d4f4a872cd2485c860e0ea420c47f2890594a633e4bfa68e8eb6b185e3872556 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3fc123784ed785f03207bcdcd41e0532912aaa416c8be58fd467698c2eeb2ac5 [INFO] running `Command { std: "docker" "start" "-a" "3fc123784ed785f03207bcdcd41e0532912aaa416c8be58fd467698c2eeb2ac5", kill_on_drop: false }` [INFO] [stderr] Compiling ghosts-proc_macros v0.1.0 (/opt/rustwide/workdir/src/proc_macros) [INFO] [stderr] Checking never-say-never v6.6.666 [INFO] [stderr] Checking ghosts v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/expr.rs:39:38 [INFO] [stdout] | [INFO] [stdout] 39 | struct OutsideOfAGhostBlockError(u8); [INFO] [stdout] | ------------------------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 39 | struct OutsideOfAGhostBlockError(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/expr.rs:39:38 [INFO] [stdout] | [INFO] [stdout] 39 | struct OutsideOfAGhostBlockError(u8); [INFO] [stdout] | ------------------------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 39 | struct OutsideOfAGhostBlockError(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s [INFO] running `Command { std: "docker" "inspect" "3fc123784ed785f03207bcdcd41e0532912aaa416c8be58fd467698c2eeb2ac5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3fc123784ed785f03207bcdcd41e0532912aaa416c8be58fd467698c2eeb2ac5", kill_on_drop: false }` [INFO] [stdout] 3fc123784ed785f03207bcdcd41e0532912aaa416c8be58fd467698c2eeb2ac5 [INFO] checking danielhenrymantilla/ghosts.rs against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielhenrymantilla%2Fghosts.rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/danielhenrymantilla/ghosts.rs 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] removed /workspace/builds/worker-0-tc2/source/.cargo/config [INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/danielhenrymantilla/ghosts.rs [INFO] finished tweaking git repo https://github.com/danielhenrymantilla/ghosts.rs [INFO] tweaked toml for git repo https://github.com/danielhenrymantilla/ghosts.rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/danielhenrymantilla/ghosts.rs 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 93dcbe2f5c1f20e0a8e597ffb668a61e0d259d92acde5b7b5912c950418fde57 [INFO] running `Command { std: "docker" "start" "-a" "93dcbe2f5c1f20e0a8e597ffb668a61e0d259d92acde5b7b5912c950418fde57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "93dcbe2f5c1f20e0a8e597ffb668a61e0d259d92acde5b7b5912c950418fde57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93dcbe2f5c1f20e0a8e597ffb668a61e0d259d92acde5b7b5912c950418fde57", kill_on_drop: false }` [INFO] [stdout] 93dcbe2f5c1f20e0a8e597ffb668a61e0d259d92acde5b7b5912c950418fde57 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e1c5cd3897946e390949e17903f2d15d9900ac0f16b30513d7b79a737c609b5e [INFO] running `Command { std: "docker" "start" "-a" "e1c5cd3897946e390949e17903f2d15d9900ac0f16b30513d7b79a737c609b5e", kill_on_drop: false }` [INFO] [stderr] Checking never-say-never v6.6.666 [INFO] [stderr] Compiling ghosts-proc_macros v0.1.0 (/opt/rustwide/workdir/src/proc_macros) [INFO] [stderr] Checking ghosts v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/expr.rs:67:22 [INFO] [stdout] | [INFO] [stdout] 65 | #[derive(Debug, Clone, Copy, Hash, Eq, PartialEq, Ord, PartialOrd)] [INFO] [stdout] | --------- in this derive macro expansion [INFO] [stdout] 66 | pub [INFO] [stdout] 67 | struct Ectoplasm(pub(super) ::never_say_never::Never); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `_: PartialEq<_>` [INFO] [stdout] = note: this error originates in the derive macro `PartialEq` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/ty.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 24 | Eq, PartialEq, Ord, PartialOrd, [INFO] [stdout] | --------- in this derive macro expansion [INFO] [stdout] ... [INFO] [stdout] 33 | __(::never_say_never::Never, T), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `_: PartialEq<_>` [INFO] [stdout] = note: this error originates in the derive macro `PartialEq` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0283`. [INFO] [stdout] [INFO] [stderr] error: could not compile `ghosts` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/expr.rs:67:22 [INFO] [stdout] | [INFO] [stdout] 65 | #[derive(Debug, Clone, Copy, Hash, Eq, PartialEq, Ord, PartialOrd)] [INFO] [stdout] | --------- in this derive macro expansion [INFO] [stdout] 66 | pub [INFO] [stdout] 67 | struct Ectoplasm(pub(super) ::never_say_never::Never); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `_: PartialEq<_>` [INFO] [stdout] = note: this error originates in the derive macro `PartialEq` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/ty.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 24 | Eq, PartialEq, Ord, PartialOrd, [INFO] [stdout] | --------- in this derive macro expansion [INFO] [stdout] ... [INFO] [stdout] 33 | __(::never_say_never::Never, T), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `_: PartialEq<_>` [INFO] [stdout] = note: this error originates in the derive macro `PartialEq` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0283`. [INFO] [stdout] [INFO] [stderr] error: could not compile `ghosts` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "e1c5cd3897946e390949e17903f2d15d9900ac0f16b30513d7b79a737c609b5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1c5cd3897946e390949e17903f2d15d9900ac0f16b30513d7b79a737c609b5e", kill_on_drop: false }` [INFO] [stdout] e1c5cd3897946e390949e17903f2d15d9900ac0f16b30513d7b79a737c609b5e