[INFO] fetching crate seer-z3 0.1.2... [INFO] checking seer-z3-0.1.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate seer-z3 0.1.2 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate seer-z3 0.1.2 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 seer-z3 0.1.2 [INFO] finished tweaking crates.io crate seer-z3 0.1.2 [INFO] tweaked toml for crates.io crate seer-z3 0.1.2 written to /workspace/builds/worker-1-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 19 packages [INFO] [stderr] Adding aho-corasick v0.5.3 (latest: v1.1.3) [INFO] [stderr] Adding env_logger v0.3.5 (latest: v0.11.3) [INFO] [stderr] Adding log v0.3.9 (latest: v0.4.21) [INFO] [stderr] Adding memchr v0.1.11 (latest: v2.7.2) [INFO] [stderr] Adding nom v1.2.4 (latest: v7.1.3) [INFO] [stderr] Adding regex v0.1.80 (latest: v1.10.4) [INFO] [stderr] Adding regex-syntax v0.3.9 (latest: v0.8.3) [INFO] [stderr] Adding semver v0.2.3 (latest: v1.0.22) [INFO] [stderr] Adding thread-id v2.0.0 (latest: v4.2.1) [INFO] [stderr] Adding thread_local v0.2.7 (latest: v1.1.8) [INFO] [stderr] Adding utf8-ranges v0.1.3 (latest: v1.0.5) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [INFO] [stderr] Adding z3-sys v0.3.0 (latest: v0.8.1) [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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded memchr v0.1.11 [INFO] [stderr] Downloaded thread-id v2.0.0 [INFO] [stderr] Downloaded thread_local v0.2.7 [INFO] [stderr] Downloaded utf8-ranges v0.1.3 [INFO] [stderr] Downloaded env_logger v0.3.5 [INFO] [stderr] Downloaded semver v0.2.3 [INFO] [stderr] Downloaded nom v1.2.4 [INFO] [stderr] Downloaded regex v0.1.80 [INFO] [stderr] Downloaded regex-syntax v0.3.9 [INFO] [stderr] Downloaded aho-corasick v0.5.3 [INFO] [stderr] Downloaded z3-sys v0.3.0 [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] c983e7e2ec4204e719e36cc1b432af7e22e3405f7f311304c51d08261d4b0ba9 [INFO] running `Command { std: "docker" "start" "-a" "c983e7e2ec4204e719e36cc1b432af7e22e3405f7f311304c51d08261d4b0ba9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c983e7e2ec4204e719e36cc1b432af7e22e3405f7f311304c51d08261d4b0ba9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c983e7e2ec4204e719e36cc1b432af7e22e3405f7f311304c51d08261d4b0ba9", kill_on_drop: false }` [INFO] [stdout] c983e7e2ec4204e719e36cc1b432af7e22e3405f7f311304c51d08261d4b0ba9 [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] 2a4c1dcee4dafe6b981d1336fc2ef10795cf6c1d81111183552374a75463d3c4 [INFO] running `Command { std: "docker" "start" "-a" "2a4c1dcee4dafe6b981d1336fc2ef10795cf6c1d81111183552374a75463d3c4", kill_on_drop: false }` [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Checking nom v1.2.4 [INFO] [stderr] Checking z3-sys v0.3.0 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking seer-z3 v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stdout] warning: the item `PartialEq` is imported redundantly [INFO] [stdout] --> src/ast.rs:8:16 [INFO] [stdout] | [INFO] [stdout] 8 | use std::cmp::{PartialEq, Eq}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `PartialEq` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Eq` is imported redundantly [INFO] [stdout] --> src/ast.rs:8:27 [INFO] [stdout] | [INFO] [stdout] 8 | use std::cmp::{PartialEq, Eq}; [INFO] [stdout] | ^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Eq` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking semver v0.2.3 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Checking env_logger v0.3.5 [INFO] [stdout] warning: the item `PartialEq` is imported redundantly [INFO] [stdout] --> src/ast.rs:8:16 [INFO] [stdout] | [INFO] [stdout] 8 | use std::cmp::{PartialEq, Eq}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `PartialEq` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Eq` is imported redundantly [INFO] [stdout] --> src/ast.rs:8:27 [INFO] [stdout] | [INFO] [stdout] 8 | use std::cmp::{PartialEq, Eq}; [INFO] [stdout] | ^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Eq` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.87s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v1.2.4 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "2a4c1dcee4dafe6b981d1336fc2ef10795cf6c1d81111183552374a75463d3c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a4c1dcee4dafe6b981d1336fc2ef10795cf6c1d81111183552374a75463d3c4", kill_on_drop: false }` [INFO] [stdout] 2a4c1dcee4dafe6b981d1336fc2ef10795cf6c1d81111183552374a75463d3c4 [INFO] checking seer-z3-0.1.2 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate seer-z3 0.1.2 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate seer-z3 0.1.2 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 seer-z3 0.1.2 [INFO] finished tweaking crates.io crate seer-z3 0.1.2 [INFO] tweaked toml for crates.io crate seer-z3 0.1.2 written to /workspace/builds/worker-1-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-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] 0cb0c30845064aa52525c5ff0f35c67ec4edc903cf6551a316a067dd1eacb0d9 [INFO] running `Command { std: "docker" "start" "-a" "0cb0c30845064aa52525c5ff0f35c67ec4edc903cf6551a316a067dd1eacb0d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0cb0c30845064aa52525c5ff0f35c67ec4edc903cf6551a316a067dd1eacb0d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0cb0c30845064aa52525c5ff0f35c67ec4edc903cf6551a316a067dd1eacb0d9", kill_on_drop: false }` [INFO] [stdout] 0cb0c30845064aa52525c5ff0f35c67ec4edc903cf6551a316a067dd1eacb0d9 [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] 91389b13147d18499520063e4593d52cc47af9cc4bd6117fdfa3c900cdc7b715 [INFO] running `Command { std: "docker" "start" "-a" "91389b13147d18499520063e4593d52cc47af9cc4bd6117fdfa3c900cdc7b715", kill_on_drop: false }` [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Checking nom v1.2.4 [INFO] [stderr] Checking z3-sys v0.3.0 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking seer-z3 v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Checking semver v0.2.3 [INFO] [stdout] warning: the item `PartialEq` is imported redundantly [INFO] [stdout] --> src/ast.rs:8:16 [INFO] [stdout] | [INFO] [stdout] 8 | use std::cmp::{PartialEq, Eq}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `PartialEq` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Eq` is imported redundantly [INFO] [stdout] --> src/ast.rs:8:27 [INFO] [stdout] | [INFO] [stdout] 8 | use std::cmp::{PartialEq, Eq}; [INFO] [stdout] | ^^ [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Eq` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-0.1.80/src/exec.rs:726:13 [INFO] [stdout] | [INFO] [stdout] 726 | / match dfa::Fsm::reverse( [INFO] [stdout] 727 | | &self.ro.dfa_reverse, [INFO] [stdout] 728 | | &self.cache, [INFO] [stdout] 729 | | false, [INFO] [stdout] ... | [INFO] [stdout] 736 | | Quit => return Some(Quit), [INFO] [stdout] 737 | | }; [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" "91389b13147d18499520063e4593d52cc47af9cc4bd6117fdfa3c900cdc7b715", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91389b13147d18499520063e4593d52cc47af9cc4bd6117fdfa3c900cdc7b715", kill_on_drop: false }` [INFO] [stdout] 91389b13147d18499520063e4593d52cc47af9cc4bd6117fdfa3c900cdc7b715