[INFO] fetching crate roan-ast 0.1.3...
[INFO] testing roan-ast-0.1.3 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate roan-ast 0.1.3 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate roan-ast 0.1.3
[INFO] finished tweaking crates.io crate roan-ast 0.1.3
[INFO] tweaked toml for crates.io crate roan-ast 0.1.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate roan-ast 0.1.3 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 28 packages to latest compatible versions
[INFO] [stderr]       Adding colored v2.2.0 (available: v3.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded roan-error v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbc57a925447c38e297f5fc015299631f697c24a2cfe63ffd2dd511c0ab36cd8
[INFO] running `Command { std: "docker" "start" "-a" "bbc57a925447c38e297f5fc015299631f697c24a2cfe63ffd2dd511c0ab36cd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbc57a925447c38e297f5fc015299631f697c24a2cfe63ffd2dd511c0ab36cd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbc57a925447c38e297f5fc015299631f697c24a2cfe63ffd2dd511c0ab36cd8", kill_on_drop: false }`
[INFO] [stdout] bbc57a925447c38e297f5fc015299631f697c24a2cfe63ffd2dd511c0ab36cd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52e1d46c01220297da8cc94311ef931f71499591b6a188de230d70e768670a80
[INFO] running `Command { std: "docker" "start" "-a" "52e1d46c01220297da8cc94311ef931f71499591b6a188de230d70e768670a80", kill_on_drop: false }`
[INFO] [stderr]    Compiling roan-error v0.1.1
[INFO] [stderr]    Compiling roan-ast v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `expected`
[INFO] [stdout]    --> src/parser/statements.rs:162:33
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub fn parse_pub(&mut self, expected: TokenKind) -> Result<(Token, bool)> {
[INFO] [stdout]     |                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `lexer::NumberType` is more private than the item `lexer::Lexer::consume_number`
[INFO] [stdout]    --> src/lexer/mod.rs:290:5
[INFO] [stdout]     |
[INFO] [stdout] 290 |     pub fn consume_number(&mut self) -> (NumberType, String) {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `lexer::Lexer::consume_number` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `lexer::NumberType` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/lexer/mod.rs:377:1
[INFO] [stdout]     |
[INFO] [stdout] 377 | enum NumberType {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/source.rs:73:18
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn chars(&self) -> Chars {
[INFO] [stdout]    |                  ^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn chars(&self) -> Chars<'_> {
[INFO] [stdout]    |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "52e1d46c01220297da8cc94311ef931f71499591b6a188de230d70e768670a80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52e1d46c01220297da8cc94311ef931f71499591b6a188de230d70e768670a80", kill_on_drop: false }`
[INFO] [stdout] 52e1d46c01220297da8cc94311ef931f71499591b6a188de230d70e768670a80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c86beb32f11a1faaebf2a7970563a65b680eca08a63f2e2a466999f617e69599
[INFO] running `Command { std: "docker" "start" "-a" "c86beb32f11a1faaebf2a7970563a65b680eca08a63f2e2a466999f617e69599", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `expected`
[INFO] [stdout]    --> src/parser/statements.rs:162:33
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub fn parse_pub(&mut self, expected: TokenKind) -> Result<(Token, bool)> {
[INFO] [stdout]     |                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `lexer::NumberType` is more private than the item `lexer::Lexer::consume_number`
[INFO] [stdout]    --> src/lexer/mod.rs:290:5
[INFO] [stdout]     |
[INFO] [stdout] 290 |     pub fn consume_number(&mut self) -> (NumberType, String) {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `lexer::Lexer::consume_number` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `lexer::NumberType` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/lexer/mod.rs:377:1
[INFO] [stdout]     |
[INFO] [stdout] 377 | enum NumberType {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/source.rs:73:18
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn chars(&self) -> Chars {
[INFO] [stdout]    |                  ^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn chars(&self) -> Chars<'_> {
[INFO] [stdout]    |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling roan-ast v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0061]: this method takes 1 argument but 0 arguments were supplied
[INFO] [stdout]    --> src/lexer/mod.rs:391:32
[INFO] [stdout]     |
[INFO] [stdout] 391 |             let tokens = lexer.lex().expect("Lexing failed");
[INFO] [stdout]     |                                ^^^-- argument #1 of type `bool` is missing
[INFO] [stdout] ...
[INFO] [stdout] 596 |             test_tokens!(source, expected);
[INFO] [stdout]     |             ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> src/lexer/mod.rs:57:12
[INFO] [stdout]     |
[INFO] [stdout]  57 |     pub fn lex(&mut self, lex_comments: bool) -> Result<Vec<Token>> {
[INFO] [stdout]     |            ^^^            ------------------
[INFO] [stdout]     = note: this error originates in the macro `test_tokens` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout] 391 |             let tokens = lexer.lex(/* bool */).expect("Lexing failed");
[INFO] [stdout]     |                                    ++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 1 argument but 0 arguments were supplied
[INFO] [stdout]    --> src/lexer/mod.rs:604:28
[INFO] [stdout]     |
[INFO] [stdout] 604 |         let result = lexer.lex();
[INFO] [stdout]     |                            ^^^-- argument #1 of type `bool` is missing
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> src/lexer/mod.rs:57:12
[INFO] [stdout]     |
[INFO] [stdout]  57 |     pub fn lex(&mut self, lex_comments: bool) -> Result<Vec<Token>> {
[INFO] [stdout]     |            ^^^            ------------------
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout] 604 |         let result = lexer.lex(/* bool */);
[INFO] [stdout]     |                                ++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 1 argument but 0 arguments were supplied
[INFO] [stdout]    --> src/lexer/mod.rs:615:28
[INFO] [stdout]     |
[INFO] [stdout] 615 |         let result = lexer.lex();
[INFO] [stdout]     |                            ^^^-- argument #1 of type `bool` is missing
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> src/lexer/mod.rs:57:12
[INFO] [stdout]     |
[INFO] [stdout]  57 |     pub fn lex(&mut self, lex_comments: bool) -> Result<Vec<Token>> {
[INFO] [stdout]     |            ^^^            ------------------
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout] 615 |         let result = lexer.lex(/* bool */);
[INFO] [stdout]     |                                ++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected`
[INFO] [stdout]    --> src/parser/statements.rs:162:33
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub fn parse_pub(&mut self, expected: TokenKind) -> Result<(Token, bool)> {
[INFO] [stdout]     |                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `roan-ast` (lib test) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "c86beb32f11a1faaebf2a7970563a65b680eca08a63f2e2a466999f617e69599", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c86beb32f11a1faaebf2a7970563a65b680eca08a63f2e2a466999f617e69599", kill_on_drop: false }`
[INFO] [stdout] c86beb32f11a1faaebf2a7970563a65b680eca08a63f2e2a466999f617e69599