[INFO] cloning repository https://github.com/Verdex/dyn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Verdex/dyn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVerdex%2Fdyn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVerdex%2Fdyn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 012e341d1a5956360aa3848d606f0a330760e86a [INFO] checking Verdex/dyn against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVerdex%2Fdyn" "/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/Verdex/dyn 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/Verdex/dyn [INFO] finished tweaking git repo https://github.com/Verdex/dyn [INFO] tweaked toml for git repo https://github.com/Verdex/dyn written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Verdex/dyn 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] c3cba4b552fa8dcfeddd14aa597ff943af5304faa34a2e8c1d6bf87a231d0d07 [INFO] running `Command { std: "docker" "start" "-a" "c3cba4b552fa8dcfeddd14aa597ff943af5304faa34a2e8c1d6bf87a231d0d07", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c3cba4b552fa8dcfeddd14aa597ff943af5304faa34a2e8c1d6bf87a231d0d07", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3cba4b552fa8dcfeddd14aa597ff943af5304faa34a2e8c1d6bf87a231d0d07", kill_on_drop: false }` [INFO] [stdout] c3cba4b552fa8dcfeddd14aa597ff943af5304faa34a2e8c1d6bf87a231d0d07 [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] 66abe081458e7ef97ff810ae827bd021bf8526b19eab2b226a805e128f1ce009 [INFO] running `Command { std: "docker" "start" "-a" "66abe081458e7ef97ff810ae827bd021bf8526b19eab2b226a805e128f1ce009", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.48 [INFO] [stderr] Compiling memchr v2.1.3 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.6.5 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking dyn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Token` is imported redundantly [INFO] [stdout] --> src/lexer.rs:154:9 [INFO] [stdout] | [INFO] [stdout] 153 | use super::*; [INFO] [stdout] | -------- the item `Token` is already imported here [INFO] [stdout] 154 | use super::super::data::Token; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::data::Token` [INFO] [stdout] --> src/parser.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use super::data::Token; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::data::Token` [INFO] [stdout] --> src/parser.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use super::data::Token; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/data.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | String(String), [INFO] [stdout] | ------ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [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] 12 | String(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/data.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | Number(String), [INFO] [stdout] | ------ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 13 | Number(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/data.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | Symbol(String), [INFO] [stdout] | ------ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 14 | Symbol(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/data.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | Op(String), [INFO] [stdout] | -- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 15 | Op(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.98s [INFO] running `Command { std: "docker" "inspect" "66abe081458e7ef97ff810ae827bd021bf8526b19eab2b226a805e128f1ce009", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66abe081458e7ef97ff810ae827bd021bf8526b19eab2b226a805e128f1ce009", kill_on_drop: false }` [INFO] [stdout] 66abe081458e7ef97ff810ae827bd021bf8526b19eab2b226a805e128f1ce009 [INFO] checking Verdex/dyn against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVerdex%2Fdyn" "/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/Verdex/dyn 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/Verdex/dyn [INFO] finished tweaking git repo https://github.com/Verdex/dyn [INFO] tweaked toml for git repo https://github.com/Verdex/dyn written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Verdex/dyn 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] cb00382cd683306f1e646e0be1b96012fdafadc7638076daeca556a1ce1dade0 [INFO] running `Command { std: "docker" "start" "-a" "cb00382cd683306f1e646e0be1b96012fdafadc7638076daeca556a1ce1dade0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cb00382cd683306f1e646e0be1b96012fdafadc7638076daeca556a1ce1dade0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb00382cd683306f1e646e0be1b96012fdafadc7638076daeca556a1ce1dade0", kill_on_drop: false }` [INFO] [stdout] cb00382cd683306f1e646e0be1b96012fdafadc7638076daeca556a1ce1dade0 [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] 47b21dc22c7af8a49cadad88d1fac84223ad7ff6e9d4abe5739391d2f9c9981d [INFO] running `Command { std: "docker" "start" "-a" "47b21dc22c7af8a49cadad88d1fac84223ad7ff6e9d4abe5739391d2f9c9981d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.48 [INFO] [stderr] Compiling memchr v2.1.3 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.6.5 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.1.0/src/exec.rs:754:13 [INFO] [stdout] | [INFO] [stdout] 754 | / match dfa::Fsm::reverse( [INFO] [stdout] 755 | | &self.ro.dfa_reverse, [INFO] [stdout] 756 | | self.cache, [INFO] [stdout] 757 | | false, [INFO] [stdout] ... | [INFO] [stdout] 764 | | Quit => return Some(Quit), [INFO] [stdout] 765 | | }; [INFO] [stdout] | |_____________^ cannot infer type [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 E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `regex` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "47b21dc22c7af8a49cadad88d1fac84223ad7ff6e9d4abe5739391d2f9c9981d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47b21dc22c7af8a49cadad88d1fac84223ad7ff6e9d4abe5739391d2f9c9981d", kill_on_drop: false }` [INFO] [stdout] 47b21dc22c7af8a49cadad88d1fac84223ad7ff6e9d4abe5739391d2f9c9981d