[INFO] fetching crate rusty_regex 0.2.4...
[INFO] building rusty_regex-0.2.4 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate rusty_regex 0.2.4 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate rusty_regex 0.2.4
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rusty_regex 0.2.4
[INFO] tweaked toml for crates.io crate rusty_regex 0.2.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rusty_regex 0.2.4 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rusty_regex 0.2.4 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded visibility v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88617f9d9ae2c81fa989241f9d8dd05ebb9e4242a4865d6fb911ef070b1171e6
[INFO] running `Command { std: "docker" "start" "-a" "88617f9d9ae2c81fa989241f9d8dd05ebb9e4242a4865d6fb911ef070b1171e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88617f9d9ae2c81fa989241f9d8dd05ebb9e4242a4865d6fb911ef070b1171e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88617f9d9ae2c81fa989241f9d8dd05ebb9e4242a4865d6fb911ef070b1171e6", kill_on_drop: false }`
[INFO] [stdout] 88617f9d9ae2c81fa989241f9d8dd05ebb9e4242a4865d6fb911ef070b1171e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f59663deba6a689b54db0937885f395a66dd619a33c5eb21e6fa420a005c3ce2
[INFO] running `Command { std: "docker" "start" "-a" "f59663deba6a689b54db0937885f395a66dd619a33c5eb21e6fa420a005c3ce2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling visibility v0.0.1
[INFO] [stderr]    Compiling rusty_regex v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `visibility::make`
[INFO] [stdout]  --> src/ast.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use visibility::make;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `visibility::make`
[INFO] [stdout]  --> src/parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use visibility::make;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `visibility::make`
[INFO] [stdout]  --> src/nfa.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use visibility::make;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `NFA` is more private than the item `compile_nfa_to_dfa`
[INFO] [stdout]   --> src/dfa.rs:50:1
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn compile_nfa_to_dfa(nfa: &NFA) -> Result<DFA, RegexError> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `compile_nfa_to_dfa` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `NFA` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> src/nfa.rs:9:64
[INFO] [stdout]    |
[INFO] [stdout]  9 |   #[cfg_attr(not(feature = "expose-internals"), visibility::make(pub(crate)))]
[INFO] [stdout]    |  ________________________________________________________________^
[INFO] [stdout] 10 | | pub struct NFA {
[INFO] [stdout]    | |______________^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.59s
[INFO] running `Command { std: "docker" "inspect" "f59663deba6a689b54db0937885f395a66dd619a33c5eb21e6fa420a005c3ce2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f59663deba6a689b54db0937885f395a66dd619a33c5eb21e6fa420a005c3ce2", kill_on_drop: false }`
[INFO] [stdout] f59663deba6a689b54db0937885f395a66dd619a33c5eb21e6fa420a005c3ce2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6a010230cf65d919f410512bcfaf28437d895300d594abb3fc1c338ca8ab4a3
[INFO] running `Command { std: "docker" "start" "-a" "e6a010230cf65d919f410512bcfaf28437d895300d594abb3fc1c338ca8ab4a3", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `visibility::make`
[INFO] [stdout]  --> src/ast.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use visibility::make;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `visibility::make`
[INFO] [stdout]  --> src/parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use visibility::make;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rusty_regex v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `visibility::make`
[INFO] [stdout]  --> src/nfa.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use visibility::make;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `NFA` is more private than the item `compile_nfa_to_dfa`
[INFO] [stdout]   --> src/dfa.rs:50:1
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn compile_nfa_to_dfa(nfa: &NFA) -> Result<DFA, RegexError> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `compile_nfa_to_dfa` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `NFA` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> src/nfa.rs:9:64
[INFO] [stdout]    |
[INFO] [stdout]  9 |   #[cfg_attr(not(feature = "expose-internals"), visibility::make(pub(crate)))]
[INFO] [stdout]    |  ________________________________________________________________^
[INFO] [stdout] 10 | | pub struct NFA {
[INFO] [stdout]    | |______________^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `visibility::make`
[INFO] [stdout]  --> src/ast.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use visibility::make;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `visibility::make`
[INFO] [stdout]  --> src/parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use visibility::make;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `visibility::make`
[INFO] [stdout]  --> src/nfa.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use visibility::make;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `NFA` is more private than the item `dfa::compile_nfa_to_dfa`
[INFO] [stdout]   --> src/dfa.rs:50:1
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn compile_nfa_to_dfa(nfa: &NFA) -> Result<DFA, RegexError> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `dfa::compile_nfa_to_dfa` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `NFA` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> src/nfa.rs:9:64
[INFO] [stdout]    |
[INFO] [stdout]  9 |   #[cfg_attr(not(feature = "expose-internals"), visibility::make(pub(crate)))]
[INFO] [stdout]    |  ________________________________________________________________^
[INFO] [stdout] 10 | | pub struct NFA {
[INFO] [stdout]    | |______________^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "e6a010230cf65d919f410512bcfaf28437d895300d594abb3fc1c338ca8ab4a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6a010230cf65d919f410512bcfaf28437d895300d594abb3fc1c338ca8ab4a3", kill_on_drop: false }`
[INFO] [stdout] e6a010230cf65d919f410512bcfaf28437d895300d594abb3fc1c338ca8ab4a3