[INFO] cloning repository https://github.com/avandolder/miniml [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/avandolder/miniml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favandolder%2Fminiml", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favandolder%2Fminiml'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9c3a70b8c9427faba792d41479dc54ff15772e0d [INFO] checking avandolder/miniml against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favandolder%2Fminiml" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/avandolder/miniml 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/avandolder/miniml [INFO] finished tweaking git repo https://github.com/avandolder/miniml [INFO] tweaked toml for git repo https://github.com/avandolder/miniml written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/avandolder/miniml 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 sized-chunks v0.6.2 [INFO] [stderr] Downloaded im-rc v15.0.0 [INFO] [stderr] Downloaded string_cache v0.8.0 [INFO] [stderr] Downloaded lalrpop v0.19.0 [INFO] [stderr] Downloaded lalrpop-util v0.19.0 [INFO] [stderr] Downloaded ena v0.14.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0b6425e8407a1a3bac5ef6f43db2288536470e05187c5738c60fc173218916dd [INFO] running `Command { std: "docker" "start" "-a" "0b6425e8407a1a3bac5ef6f43db2288536470e05187c5738c60fc173218916dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0b6425e8407a1a3bac5ef6f43db2288536470e05187c5738c60fc173218916dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b6425e8407a1a3bac5ef6f43db2288536470e05187c5738c60fc173218916dd", kill_on_drop: false }` [INFO] [stdout] 0b6425e8407a1a3bac5ef6f43db2288536470e05187c5738c60fc173218916dd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9894e8a22cd2de31c438e7716c2b92fca1636866f84a07770acbe46b7f60f22c [INFO] running `Command { std: "docker" "start" "-a" "9894e8a22cd2de31c438e7716c2b92fca1636866f84a07770acbe46b7f60f22c", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.36 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Compiling serde v1.0.115 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling siphasher v0.3.3 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling hashbrown v0.8.2 [INFO] [stderr] Compiling indexmap v1.5.1 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling fixedbitset v0.2.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling bit-vec v0.6.2 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling either v1.6.0 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stderr] Compiling aho-corasick v0.7.13 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling im-rc v15.0.0 [INFO] [stderr] Compiling sha2 v0.8.2 [INFO] [stderr] Compiling pest_meta v2.1.3 [INFO] [stderr] Compiling ena v0.14.0 [INFO] [stderr] Checking bitmaps v2.1.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking ucd-trie v0.1.3 [INFO] [stderr] Checking rand_xoshiro v0.4.0 [INFO] [stderr] Checking boolinator v2.4.0 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Checking pest v2.1.3 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Checking sized-chunks v0.6.2 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [INFO] [stderr] Compiling petgraph v0.5.1 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Checking lalrpop-util v0.19.0 [INFO] [stderr] Compiling string_cache v0.8.0 [INFO] [stderr] Compiling docopt v1.1.0 [INFO] [stderr] Compiling lalrpop v0.19.0 [INFO] [stderr] Compiling miniml v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `im_rc` is imported redundantly [INFO] [stdout] --> src/main.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | use im_rc::{self, hashmap}; [INFO] [stdout] | ^^^^ the item `im_rc` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `im_rc` is imported redundantly [INFO] [stdout] --> src/main.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | use im_rc::{self, hashmap}; [INFO] [stdout] | ^^^^ the item `im_rc` is already defined by prelude [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/pattern.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | Any(Span<'src>), [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] 14 | Any(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/pattern.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | Id(Span<'src>, &'src str), [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 | Id((), &'src str), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/pattern.rs:16:10 [INFO] [stdout] | [INFO] [stdout] 16 | True(Span<'src>), [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] 16 | True(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/pattern.rs:17:11 [INFO] [stdout] | [INFO] [stdout] 17 | False(Span<'src>), [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] 17 | False(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/pattern.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | Int(Span<'src>, i64), [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] 18 | Int((), i64), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/pattern.rs:19:11 [INFO] [stdout] | [INFO] [stdout] 19 | Tuple(Span<'src>, Vec>>), [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] 19 | Tuple((), Vec>>), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/pattern.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 20 | Record(Span<'src>, Vec<(Span<'src>, &'src str, Rc>)>), [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] 20 | Record((), Vec<(Span<'src>, &'src str, Rc>)>), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/term.rs:31:10 [INFO] [stdout] | [INFO] [stdout] 31 | True(Span<'src>), [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] 31 | True(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/term.rs:32:11 [INFO] [stdout] | [INFO] [stdout] 32 | False(Span<'src>), [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] 32 | False(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/term.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | Int(Span<'src>, i64), [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] 34 | Int((), i64), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/pattern.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | Any(Span<'src>), [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] 14 | Any(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/pattern.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | Id(Span<'src>, &'src str), [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 | Id((), &'src str), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/pattern.rs:16:10 [INFO] [stdout] | [INFO] [stdout] 16 | True(Span<'src>), [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] 16 | True(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/pattern.rs:17:11 [INFO] [stdout] | [INFO] [stdout] 17 | False(Span<'src>), [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] 17 | False(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/pattern.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | Int(Span<'src>, i64), [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] 18 | Int((), i64), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/pattern.rs:19:11 [INFO] [stdout] | [INFO] [stdout] 19 | Tuple(Span<'src>, Vec>>), [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] 19 | Tuple((), Vec>>), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/pattern.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 20 | Record(Span<'src>, Vec<(Span<'src>, &'src str, Rc>)>), [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] 20 | Record((), Vec<(Span<'src>, &'src str, Rc>)>), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/term.rs:31:10 [INFO] [stdout] | [INFO] [stdout] 31 | True(Span<'src>), [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] 31 | True(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/term.rs:32:11 [INFO] [stdout] | [INFO] [stdout] 32 | False(Span<'src>), [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] 32 | False(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/term.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | Int(Span<'src>, i64), [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] 34 | Int((), i64), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.13s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.19.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4` [INFO] running `Command { std: "docker" "inspect" "9894e8a22cd2de31c438e7716c2b92fca1636866f84a07770acbe46b7f60f22c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9894e8a22cd2de31c438e7716c2b92fca1636866f84a07770acbe46b7f60f22c", kill_on_drop: false }` [INFO] [stdout] 9894e8a22cd2de31c438e7716c2b92fca1636866f84a07770acbe46b7f60f22c [INFO] checking avandolder/miniml against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favandolder%2Fminiml" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/avandolder/miniml 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/avandolder/miniml [INFO] finished tweaking git repo https://github.com/avandolder/miniml [INFO] tweaked toml for git repo https://github.com/avandolder/miniml written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/avandolder/miniml 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 389b210e14ea8a7efb2d120b08329f420ad3434c289347dd966764b3c7056b73 [INFO] running `Command { std: "docker" "start" "-a" "389b210e14ea8a7efb2d120b08329f420ad3434c289347dd966764b3c7056b73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "389b210e14ea8a7efb2d120b08329f420ad3434c289347dd966764b3c7056b73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "389b210e14ea8a7efb2d120b08329f420ad3434c289347dd966764b3c7056b73", kill_on_drop: false }` [INFO] [stdout] 389b210e14ea8a7efb2d120b08329f420ad3434c289347dd966764b3c7056b73 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 173f866e1b621d2d7df9cd5d090846cabd41af5cda9c2f007ab82371257db654 [INFO] running `Command { std: "docker" "start" "-a" "173f866e1b621d2d7df9cd5d090846cabd41af5cda9c2f007ab82371257db654", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.36 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Compiling serde v1.0.115 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling siphasher v0.3.3 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling hashbrown v0.8.2 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling indexmap v1.5.1 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling bit-vec v0.6.2 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling fixedbitset v0.2.0 [INFO] [stderr] Compiling aho-corasick v0.7.13 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling either v1.6.0 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling im-rc v15.0.0 [INFO] [stderr] Compiling ena v0.14.0 [INFO] [stderr] Compiling pest_meta v2.1.3 [INFO] [stderr] Compiling sha2 v0.8.2 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Checking bitmaps v2.1.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_xoshiro v0.4.0 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Checking ucd-trie v0.1.3 [INFO] [stderr] Checking boolinator v2.4.0 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Checking pest v2.1.3 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [INFO] [stderr] Checking sized-chunks v0.6.2 [INFO] [stderr] Compiling petgraph v0.5.1 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.3.9/src/exec.rs:836:13 [INFO] [stdout] | [INFO] [stdout] 836 | / match dfa::Fsm::reverse( [INFO] [stdout] 837 | | &self.ro.dfa_reverse, [INFO] [stdout] 838 | | self.cache.value(), [INFO] [stdout] 839 | | false, [INFO] [stdout] ... | [INFO] [stdout] 850 | | Quit => return Some(Quit), [INFO] [stdout] 851 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.3.9/src/exec.rs:836:13 [INFO] [stdout] | [INFO] [stdout] 836 | / match dfa::Fsm::reverse( [INFO] [stdout] 837 | | &self.ro.dfa_reverse, [INFO] [stdout] 838 | | self.cache.value(), [INFO] [stdout] 839 | | false, [INFO] [stdout] ... | [INFO] [stdout] 850 | | Quit => return Some(Quit), [INFO] [stdout] 851 | | }; [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] [stderr] warning: build failed, waiting for other jobs to finish... [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" "173f866e1b621d2d7df9cd5d090846cabd41af5cda9c2f007ab82371257db654", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "173f866e1b621d2d7df9cd5d090846cabd41af5cda9c2f007ab82371257db654", kill_on_drop: false }` [INFO] [stdout] 173f866e1b621d2d7df9cd5d090846cabd41af5cda9c2f007ab82371257db654