[INFO] fetching crate pex-trie 0.0.3...
[INFO] testing pex-trie-0.0.3 against 1.75.0 for beta-1.76-1
[INFO] extracting crate pex-trie 0.0.3 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate pex-trie 0.0.3 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pex-trie 0.0.3
[INFO] finished tweaking crates.io crate pex-trie 0.0.3
[INFO] tweaked toml for crates.io crate pex-trie 0.0.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regex-automata v0.2.0
[INFO] [stderr]   Downloaded pex v0.1.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab54314f8bcd0761a8a6f6b7a77f6d23030879f69728cb06511036abb063b490
[INFO] running `Command { std: "docker" "start" "-a" "ab54314f8bcd0761a8a6f6b7a77f6d23030879f69728cb06511036abb063b490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab54314f8bcd0761a8a6f6b7a77f6d23030879f69728cb06511036abb063b490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab54314f8bcd0761a8a6f6b7a77f6d23030879f69728cb06511036abb063b490", kill_on_drop: false }`
[INFO] [stdout] ab54314f8bcd0761a8a6f6b7a77f6d23030879f69728cb06511036abb063b490
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6d4a93a4798c75e89f7b77f8f2d3e463ad02c40acb97d030bd88f56f491c757
[INFO] running `Command { std: "docker" "start" "-a" "f6d4a93a4798c75e89f7b77f8f2d3e463ad02c40acb97d030bd88f56f491c757", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling unicode-script v0.5.5
[INFO] [stderr]    Compiling regex-automata v0.2.0
[INFO] [stderr]    Compiling pex-trie v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `dense`
[INFO] [stdout]  --> src/regex_set/mod.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use regex_automata::dfa::{dense, regex::Regex};
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `indent`
[INFO] [stdout]   --> src/regex_set/mod.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let indent = self.left_indent;
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `indent`
[INFO] [stdout]  --> src/writer/mod.rs:6:82
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn write_slice_numbers<T: Display>(&mut self, slice: &[T], max_width: usize, indent: usize) -> std::fmt::Result {
[INFO] [stdout]   |                                                                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RegexDenseSet` is never constructed
[INFO] [stdout]  --> src/regex_set/mod.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct RegexDenseSet {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `export_rust_code` is never used
[INFO] [stdout]   --> src/regex_set/mod.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl RegexDenseSet {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 12 |     pub fn export_rust_code(&self) -> Result<String, std::fmt::Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a struct
[INFO] [stdout]  --> src/unicode_set/mod.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct UnicodeSet {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![warn(missing_docs, rustdoc::missing_crate_level_docs)]
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated function
[INFO] [stdout]   --> src/unicode_set/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new(set: &str) -> Self {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]   --> src/unicode_set/mod.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn with_ranges(mut self, ranges: &[(char, char)]) -> Self {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]   --> src/unicode_set/mod.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | /     pub fn with_chars<I>(mut self, chars: I) -> Self
[INFO] [stdout] 44 | |     where
[INFO] [stdout] 45 | |         I: IntoIterator<Item = char>,
[INFO] [stdout]    | |_____________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]   --> src/unicode_set/mod.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn with_max_width(mut self, max_width: usize) -> Self {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]   --> src/unicode_set/mod.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn export_rust_code(&self) -> Result<String, Error> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.57s
[INFO] running `Command { std: "docker" "inspect" "f6d4a93a4798c75e89f7b77f8f2d3e463ad02c40acb97d030bd88f56f491c757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6d4a93a4798c75e89f7b77f8f2d3e463ad02c40acb97d030bd88f56f491c757", kill_on_drop: false }`
[INFO] [stdout] f6d4a93a4798c75e89f7b77f8f2d3e463ad02c40acb97d030bd88f56f491c757
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aeec90307228f87968e92ce0839d298cda40614381a9b7e63ce3fadb521ade63
[INFO] running `Command { std: "docker" "start" "-a" "aeec90307228f87968e92ce0839d298cda40614381a9b7e63ce3fadb521ade63", kill_on_drop: false }`
[INFO] [stderr]    Compiling pex v0.1.17
[INFO] [stdout] warning: unused import: `dense`
[INFO] [stdout]  --> src/regex_set/mod.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use regex_automata::dfa::{dense, regex::Regex};
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `indent`
[INFO] [stdout]   --> src/regex_set/mod.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let indent = self.left_indent;
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `indent`
[INFO] [stdout]  --> src/writer/mod.rs:6:82
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn write_slice_numbers<T: Display>(&mut self, slice: &[T], max_width: usize, indent: usize) -> std::fmt::Result {
[INFO] [stdout]   |                                                                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RegexDenseSet` is never constructed
[INFO] [stdout]  --> src/regex_set/mod.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct RegexDenseSet {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `export_rust_code` is never used
[INFO] [stdout]   --> src/regex_set/mod.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl RegexDenseSet {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 12 |     pub fn export_rust_code(&self) -> Result<String, std::fmt::Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a struct
[INFO] [stdout]  --> src/unicode_set/mod.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct UnicodeSet {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![warn(missing_docs, rustdoc::missing_crate_level_docs)]
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated function
[INFO] [stdout]   --> src/unicode_set/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new(set: &str) -> Self {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]   --> src/unicode_set/mod.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn with_ranges(mut self, ranges: &[(char, char)]) -> Self {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]   --> src/unicode_set/mod.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | /     pub fn with_chars<I>(mut self, chars: I) -> Self
[INFO] [stdout] 44 | |     where
[INFO] [stdout] 45 | |         I: IntoIterator<Item = char>,
[INFO] [stdout]    | |_____________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]   --> src/unicode_set/mod.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn with_max_width(mut self, max_width: usize) -> Self {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]   --> src/unicode_set/mod.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn export_rust_code(&self) -> Result<String, Error> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pex-0.1.17/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(try_trait_v2, try_blocks)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pex-0.1.17/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(const_mut_refs, const_for, const_try)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pex-0.1.17/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(error_in_core)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pex-0.1.17/src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(pattern)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pex-0.1.17/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(try_trait_v2, try_blocks)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pex-0.1.17/src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(error_in_core)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pex-0.1.17/src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(pattern)]
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pex` (lib) due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "aeec90307228f87968e92ce0839d298cda40614381a9b7e63ce3fadb521ade63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeec90307228f87968e92ce0839d298cda40614381a9b7e63ce3fadb521ade63", kill_on_drop: false }`
[INFO] [stdout] aeec90307228f87968e92ce0839d298cda40614381a9b7e63ce3fadb521ade63
[INFO] testing pex-trie-0.0.3 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate pex-trie 0.0.3 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate pex-trie 0.0.3 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pex-trie 0.0.3
[INFO] finished tweaking crates.io crate pex-trie 0.0.3
[INFO] tweaked toml for crates.io crate pex-trie 0.0.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73c17c9fe864e6d1eae1c1d7ed8e62e7720fc96714902be0a4720f5787191ce3
[INFO] running `Command { std: "docker" "start" "-a" "73c17c9fe864e6d1eae1c1d7ed8e62e7720fc96714902be0a4720f5787191ce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73c17c9fe864e6d1eae1c1d7ed8e62e7720fc96714902be0a4720f5787191ce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73c17c9fe864e6d1eae1c1d7ed8e62e7720fc96714902be0a4720f5787191ce3", kill_on_drop: false }`
[INFO] [stdout] 73c17c9fe864e6d1eae1c1d7ed8e62e7720fc96714902be0a4720f5787191ce3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5398ce2a47cb8969b349389affbd6174f77b2fb795868b769921c1738adc4590
[INFO] running `Command { std: "docker" "start" "-a" "5398ce2a47cb8969b349389affbd6174f77b2fb795868b769921c1738adc4590", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling unicode-script v0.5.5
[INFO] [stderr]    Compiling regex-automata v0.2.0
[INFO] [stderr]    Compiling pex-trie v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `dense`
[INFO] [stdout]  --> src/regex_set/mod.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use regex_automata::dfa::{dense, regex::Regex};
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `indent`
[INFO] [stdout]   --> src/regex_set/mod.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let indent = self.left_indent;
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `indent`
[INFO] [stdout]  --> src/writer/mod.rs:6:82
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn write_slice_numbers<T: Display>(&mut self, slice: &[T], max_width: usize, indent: usize) -> std::fmt::Result {
[INFO] [stdout]   |                                                                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RegexDenseSet` is never constructed
[INFO] [stdout]  --> src/regex_set/mod.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct RegexDenseSet {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `export_rust_code` is never used
[INFO] [stdout]   --> src/regex_set/mod.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl RegexDenseSet {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 12 |     pub fn export_rust_code(&self) -> Result<String, std::fmt::Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a struct
[INFO] [stdout]  --> src/unicode_set/mod.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct UnicodeSet {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![warn(missing_docs, rustdoc::missing_crate_level_docs)]
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated function
[INFO] [stdout]   --> src/unicode_set/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new(set: &str) -> Self {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]   --> src/unicode_set/mod.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn with_ranges(mut self, ranges: &[(char, char)]) -> Self {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]   --> src/unicode_set/mod.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | /     pub fn with_chars<I>(mut self, chars: I) -> Self
[INFO] [stdout] 44 | |     where
[INFO] [stdout] 45 | |         I: IntoIterator<Item = char>,
[INFO] [stdout]    | |_____________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]   --> src/unicode_set/mod.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn with_max_width(mut self, max_width: usize) -> Self {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]   --> src/unicode_set/mod.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn export_rust_code(&self) -> Result<String, Error> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.64s
[INFO] running `Command { std: "docker" "inspect" "5398ce2a47cb8969b349389affbd6174f77b2fb795868b769921c1738adc4590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5398ce2a47cb8969b349389affbd6174f77b2fb795868b769921c1738adc4590", kill_on_drop: false }`
[INFO] [stdout] 5398ce2a47cb8969b349389affbd6174f77b2fb795868b769921c1738adc4590
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c73f232f6c372692053810337a20b8cda852582d9e2d10011f1895d6b3256f58
[INFO] running `Command { std: "docker" "start" "-a" "c73f232f6c372692053810337a20b8cda852582d9e2d10011f1895d6b3256f58", kill_on_drop: false }`
[INFO] [stderr]    Compiling pex v0.1.17
[INFO] [stdout] warning: unused import: `dense`
[INFO] [stdout]  --> src/regex_set/mod.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use regex_automata::dfa::{dense, regex::Regex};
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `indent`
[INFO] [stdout]   --> src/regex_set/mod.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let indent = self.left_indent;
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `indent`
[INFO] [stdout]  --> src/writer/mod.rs:6:82
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn write_slice_numbers<T: Display>(&mut self, slice: &[T], max_width: usize, indent: usize) -> std::fmt::Result {
[INFO] [stdout]   |                                                                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RegexDenseSet` is never constructed
[INFO] [stdout]  --> src/regex_set/mod.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct RegexDenseSet {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `export_rust_code` is never used
[INFO] [stdout]   --> src/regex_set/mod.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl RegexDenseSet {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 12 |     pub fn export_rust_code(&self) -> Result<String, std::fmt::Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a struct
[INFO] [stdout]  --> src/unicode_set/mod.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct UnicodeSet {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![warn(missing_docs, rustdoc::missing_crate_level_docs)]
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated function
[INFO] [stdout]   --> src/unicode_set/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new(set: &str) -> Self {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]   --> src/unicode_set/mod.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn with_ranges(mut self, ranges: &[(char, char)]) -> Self {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]   --> src/unicode_set/mod.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | /     pub fn with_chars<I>(mut self, chars: I) -> Self
[INFO] [stdout] 44 | |     where
[INFO] [stdout] 45 | |         I: IntoIterator<Item = char>,
[INFO] [stdout]    | |_____________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]   --> src/unicode_set/mod.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn with_max_width(mut self, max_width: usize) -> Self {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]   --> src/unicode_set/mod.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn export_rust_code(&self) -> Result<String, Error> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pex-0.1.17/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(try_trait_v2, try_blocks)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pex-0.1.17/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(const_mut_refs, const_for, const_try)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pex-0.1.17/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(error_in_core)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pex-0.1.17/src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(pattern)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pex-0.1.17/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(try_trait_v2, try_blocks)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pex-0.1.17/src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(error_in_core)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pex-0.1.17/src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(pattern)]
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pex` (lib) due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "c73f232f6c372692053810337a20b8cda852582d9e2d10011f1895d6b3256f58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c73f232f6c372692053810337a20b8cda852582d9e2d10011f1895d6b3256f58", kill_on_drop: false }`
[INFO] [stdout] c73f232f6c372692053810337a20b8cda852582d9e2d10011f1895d6b3256f58
