[INFO] fetching crate oxidar 0.0.0...
[INFO] checking oxidar-0.0.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate oxidar 0.0.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate oxidar 0.0.0
[INFO] finished tweaking crates.io crate oxidar 0.0.0
[INFO] tweaked toml for crates.io crate oxidar 0.0.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate oxidar 0.0.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate oxidar 0.0.0 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded oxidar_derive v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34dc029ebf60667645553668f0099d390a18ce9ac8d8f7c146dd3fdc4c6d990a
[INFO] running `Command { std: "docker" "start" "-a" "34dc029ebf60667645553668f0099d390a18ce9ac8d8f7c146dd3fdc4c6d990a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34dc029ebf60667645553668f0099d390a18ce9ac8d8f7c146dd3fdc4c6d990a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34dc029ebf60667645553668f0099d390a18ce9ac8d8f7c146dd3fdc4c6d990a", kill_on_drop: false }`
[INFO] [stdout] 34dc029ebf60667645553668f0099d390a18ce9ac8d8f7c146dd3fdc4c6d990a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d29ac387f6a277306e7373f6e074100cf497a1ebe2f2ae140efc5da614bac27
[INFO] running `Command { std: "docker" "start" "-a" "4d29ac387f6a277306e7373f6e074100cf497a1ebe2f2ae140efc5da614bac27", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling oxidar_derive v0.1.0
[INFO] [stderr]     Checking oxidar v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `CharStream` is more private than the item `TemplateParsingError::from_charstream`
[INFO] [stdout]   --> src/templates/parser/error.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn from_charstream(msg: &str, char_stream: CharStream) -> TemplateParsingError {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `TemplateParsingError::from_charstream` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `CharStream` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/templates/parser/mod.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | struct CharStream {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `urls` is never read
[INFO] [stdout]   --> src/server.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct App {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 22 |     urls: Vec<Path>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Safe` is never constructed
[INFO] [stdout]   --> src/templates/parser/mod.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | enum TemplateToken<'a> {
[INFO] [stdout]    |      ------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 62 |     Safe,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TemplateToken` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `idx` and `chars` are never read
[INFO] [stdout]  --> src/templates/parser/error.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct TemplateParsingError {
[INFO] [stdout]   |            -------------------- fields in this struct
[INFO] [stdout] 6 |     msg: String,
[INFO] [stdout] 7 |     idx: usize,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 8 |     chars: Vec<char>,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `TemplateParsingError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/templates/parser/mod.rs:279:11
[INFO] [stdout]     |
[INFO] [stdout] 279 |     data: &TemplateVar,
[INFO] [stdout]     |           ^^^^^^^^^^^^ this lifetime flows to the output
[INFO] [stdout] 280 | ) -> Result<(Vec<(TemplateToken, usize)>, Vec<char>), TemplateParsingError> {
[INFO] [stdout]     |                   ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 280 | ) -> Result<(Vec<(TemplateToken<'_>, usize)>, Vec<char>), TemplateParsingError> {
[INFO] [stdout]     |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `CharStream` is more private than the item `TemplateParsingError::from_charstream`
[INFO] [stdout]   --> src/templates/parser/error.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn from_charstream(msg: &str, char_stream: CharStream) -> TemplateParsingError {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `TemplateParsingError::from_charstream` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `CharStream` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/templates/parser/mod.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | struct CharStream {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `urls` is never read
[INFO] [stdout]   --> src/server.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct App {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 22 |     urls: Vec<Path>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Safe` is never constructed
[INFO] [stdout]   --> src/templates/parser/mod.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | enum TemplateToken<'a> {
[INFO] [stdout]    |      ------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 62 |     Safe,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TemplateToken` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `idx` and `chars` are never read
[INFO] [stdout]  --> src/templates/parser/error.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct TemplateParsingError {
[INFO] [stdout]   |            -------------------- fields in this struct
[INFO] [stdout] 6 |     msg: String,
[INFO] [stdout] 7 |     idx: usize,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 8 |     chars: Vec<char>,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `TemplateParsingError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/templates/parser/mod.rs:279:11
[INFO] [stdout]     |
[INFO] [stdout] 279 |     data: &TemplateVar,
[INFO] [stdout]     |           ^^^^^^^^^^^^ this lifetime flows to the output
[INFO] [stdout] 280 | ) -> Result<(Vec<(TemplateToken, usize)>, Vec<char>), TemplateParsingError> {
[INFO] [stdout]     |                   ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 280 | ) -> Result<(Vec<(TemplateToken<'_>, usize)>, Vec<char>), TemplateParsingError> {
[INFO] [stdout]     |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.60s
[INFO] running `Command { std: "docker" "inspect" "4d29ac387f6a277306e7373f6e074100cf497a1ebe2f2ae140efc5da614bac27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d29ac387f6a277306e7373f6e074100cf497a1ebe2f2ae140efc5da614bac27", kill_on_drop: false }`
[INFO] [stdout] 4d29ac387f6a277306e7373f6e074100cf497a1ebe2f2ae140efc5da614bac27