[INFO] cloning repository https://github.com/simnalamburt/irc-channel-rank [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simnalamburt/irc-channel-rank" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimnalamburt%2Firc-channel-rank", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimnalamburt%2Firc-channel-rank'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 823a7bfe0318f68b2bedac7f85b88461ebc0f1ab [INFO] checking simnalamburt/irc-channel-rank against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimnalamburt%2Firc-channel-rank" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/simnalamburt/irc-channel-rank on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/simnalamburt/irc-channel-rank [INFO] finished tweaking git repo https://github.com/simnalamburt/irc-channel-rank [INFO] tweaked toml for git repo https://github.com/simnalamburt/irc-channel-rank written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/simnalamburt/irc-channel-rank 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rustc-demangle v0.1.14 [INFO] [stderr] Downloaded backtrace v0.3.18 [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 985887c39e1ec951db91c9d3c526a3f48919115af35cd6e510f603f47ad26ce5 [INFO] running `Command { std: "docker" "start" "-a" "985887c39e1ec951db91c9d3c526a3f48919115af35cd6e510f603f47ad26ce5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "985887c39e1ec951db91c9d3c526a3f48919115af35cd6e510f603f47ad26ce5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "985887c39e1ec951db91c9d3c526a3f48919115af35cd6e510f603f47ad26ce5", kill_on_drop: false }` [INFO] [stdout] 985887c39e1ec951db91c9d3c526a3f48919115af35cd6e510f603f47ad26ce5 [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3870e57d8019a90fd4e68f45ee9723baf5b04f06abac600e26308deb6c47d6a3 [INFO] running `Command { std: "docker" "start" "-a" "3870e57d8019a90fd4e68f45ee9723baf5b04f06abac600e26308deb6c47d6a3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.55 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling cc v1.0.37 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Checking rustc-demangle v0.1.14 [INFO] [stderr] Compiling backtrace v0.3.18 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking regex-syntax v0.6.26 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking irc-log-manager v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.45s [INFO] running `Command { std: "docker" "inspect" "3870e57d8019a90fd4e68f45ee9723baf5b04f06abac600e26308deb6c47d6a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3870e57d8019a90fd4e68f45ee9723baf5b04f06abac600e26308deb6c47d6a3", kill_on_drop: false }` [INFO] [stdout] 3870e57d8019a90fd4e68f45ee9723baf5b04f06abac600e26308deb6c47d6a3 [INFO] checking simnalamburt/irc-channel-rank against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimnalamburt%2Firc-channel-rank" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/simnalamburt/irc-channel-rank on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/simnalamburt/irc-channel-rank [INFO] finished tweaking git repo https://github.com/simnalamburt/irc-channel-rank [INFO] tweaked toml for git repo https://github.com/simnalamburt/irc-channel-rank written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/simnalamburt/irc-channel-rank 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 281fd0e9bba03706c1f5965e87b148a9fa2adfdcff3f9d053ab8c660c4edd46d [INFO] running `Command { std: "docker" "start" "-a" "281fd0e9bba03706c1f5965e87b148a9fa2adfdcff3f9d053ab8c660c4edd46d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "281fd0e9bba03706c1f5965e87b148a9fa2adfdcff3f9d053ab8c660c4edd46d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "281fd0e9bba03706c1f5965e87b148a9fa2adfdcff3f9d053ab8c660c4edd46d", kill_on_drop: false }` [INFO] [stdout] 281fd0e9bba03706c1f5965e87b148a9fa2adfdcff3f9d053ab8c660c4edd46d [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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 091ff439c1c1dcea182f0146a04a98f0042b27327d1ea1b2aadb724de742312a [INFO] running `Command { std: "docker" "start" "-a" "091ff439c1c1dcea182f0146a04a98f0042b27327d1ea1b2aadb724de742312a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.55 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling cc v1.0.37 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking rustc-demangle v0.1.14 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Compiling backtrace v0.3.18 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Checking regex-syntax v0.6.26 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking irc-log-manager v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0277]: the trait bound `!: FromParallelIterator<()>` is not satisfied [INFO] [stdout] --> src/main.rs:151:16 [INFO] [stdout] | [INFO] [stdout] 151 | .collect::>()?; [INFO] [stdout] | ------- ^^^^^^^^^^^^ the trait `FromParallelIterator<()>` is not implemented for `!`, which is required by `Result<_, _>: FromParallelIterator>` [INFO] [stdout] | | [INFO] [stdout] | required by a bound introduced by this call [INFO] [stdout] | [INFO] [stdout] = help: the following other types implement trait `FromParallelIterator`: [INFO] [stdout] <() as FromParallelIterator<()>> [INFO] [stdout] as FromParallelIterator<(K, V)>> [INFO] [stdout] as FromParallelIterator> [INFO] [stdout] as FromParallelIterator> [INFO] [stdout] as FromParallelIterator> [INFO] [stdout] as FromParallelIterator<(K, V)>> [INFO] [stdout] as FromParallelIterator> [INFO] [stdout] as FromParallelIterator> [INFO] [stdout] and 9 others [INFO] [stdout] = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #48950 for more information) [INFO] [stdout] = help: did you intend to use the type `()` here instead? [INFO] [stdout] = note: required for `Result` to implement `FromParallelIterator>` [INFO] [stdout] note: required by a bound in `rayon::iter::ParallelIterator::collect` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rayon-1.0.3/src/iter/mod.rs:1613:18 [INFO] [stdout] | [INFO] [stdout] 1612 | fn collect(self) -> C [INFO] [stdout] | ------- required by a bound in this associated function [INFO] [stdout] 1613 | where C: FromParallelIterator [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `ParallelIterator::collect` [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 E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `irc-log-manager` (bin "irc-log-manager" test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0277]: the trait bound `!: FromParallelIterator<()>` is not satisfied [INFO] [stdout] --> src/main.rs:151:16 [INFO] [stdout] | [INFO] [stdout] 151 | .collect::>()?; [INFO] [stdout] | ------- ^^^^^^^^^^^^ the trait `FromParallelIterator<()>` is not implemented for `!`, which is required by `Result<_, _>: FromParallelIterator>` [INFO] [stdout] | | [INFO] [stdout] | required by a bound introduced by this call [INFO] [stdout] | [INFO] [stdout] = help: the following other types implement trait `FromParallelIterator`: [INFO] [stdout] <() as FromParallelIterator<()>> [INFO] [stdout] as FromParallelIterator<(K, V)>> [INFO] [stdout] as FromParallelIterator> [INFO] [stdout] as FromParallelIterator> [INFO] [stdout] as FromParallelIterator> [INFO] [stdout] as FromParallelIterator<(K, V)>> [INFO] [stdout] as FromParallelIterator> [INFO] [stdout] as FromParallelIterator> [INFO] [stdout] and 9 others [INFO] [stdout] = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #48950 for more information) [INFO] [stdout] = help: did you intend to use the type `()` here instead? [INFO] [stdout] = note: required for `Result` to implement `FromParallelIterator>` [INFO] [stdout] note: required by a bound in `rayon::iter::ParallelIterator::collect` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rayon-1.0.3/src/iter/mod.rs:1613:18 [INFO] [stdout] | [INFO] [stdout] 1612 | fn collect(self) -> C [INFO] [stdout] | ------- required by a bound in this associated function [INFO] [stdout] 1613 | where C: FromParallelIterator [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `ParallelIterator::collect` [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 E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `irc-log-manager` (bin "irc-log-manager") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "091ff439c1c1dcea182f0146a04a98f0042b27327d1ea1b2aadb724de742312a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "091ff439c1c1dcea182f0146a04a98f0042b27327d1ea1b2aadb724de742312a", kill_on_drop: false }` [INFO] [stdout] 091ff439c1c1dcea182f0146a04a98f0042b27327d1ea1b2aadb724de742312a