[INFO] cloning repository https://github.com/kn0w-n0thing/two-week-script-by-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kn0w-n0thing/two-week-script-by-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkn0w-n0thing%2Ftwo-week-script-by-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkn0w-n0thing%2Ftwo-week-script-by-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 37280c84129f923fab0ef575516d95cde4bbf5a6 [INFO] checking kn0w-n0thing/two-week-script-by-rust against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkn0w-n0thing%2Ftwo-week-script-by-rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kn0w-n0thing/two-week-script-by-rust 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 git repo https://github.com/kn0w-n0thing/two-week-script-by-rust [INFO] finished tweaking git repo https://github.com/kn0w-n0thing/two-week-script-by-rust [INFO] tweaked toml for git repo https://github.com/kn0w-n0thing/two-week-script-by-rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/kn0w-n0thing/two-week-script-by-rust 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded stringreader v0.1.1 [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] f551a41fad8cf9ce18fde24a472778f32ff1c52b7525d50eb3f5fa55ade11558 [INFO] running `Command { std: "docker" "start" "-a" "f551a41fad8cf9ce18fde24a472778f32ff1c52b7525d50eb3f5fa55ade11558", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f551a41fad8cf9ce18fde24a472778f32ff1c52b7525d50eb3f5fa55ade11558", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f551a41fad8cf9ce18fde24a472778f32ff1c52b7525d50eb3f5fa55ade11558", kill_on_drop: false }` [INFO] [stdout] f551a41fad8cf9ce18fde24a472778f32ff1c52b7525d50eb3f5fa55ade11558 [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] 0958d26d1d3592138259024ea92f38bfcb7dbc9e41671f8abb69fb4d55f4557c [INFO] running `Command { std: "docker" "start" "-a" "0958d26d1d3592138259024ea92f38bfcb7dbc9e41671f8abb69fb4d55f4557c", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking regex-syntax v0.6.28 [INFO] [stderr] Checking stringreader v0.1.1 [INFO] [stderr] Checking aho-corasick v0.7.20 [INFO] [stderr] Checking regex v1.7.1 [INFO] [stderr] Checking two-week-script v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Formatter` [INFO] [stdout] --> src/lexer.rs:2:23 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt::{Debug, Formatter}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ToString` is imported redundantly [INFO] [stdout] --> src/lexer.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::string::ToString; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ToString` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Formatter` [INFO] [stdout] --> src/lexer.rs:2:23 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt::{Debug, Formatter}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ToString` is imported redundantly [INFO] [stdout] --> src/lexer.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::string::ToString; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ToString` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::os::unix::raw::time_t` [INFO] [stdout] --> src/ast.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | use std::os::unix::raw::time_t; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `regex::internal::Input` [INFO] [stdout] --> src/ast.rs:77:9 [INFO] [stdout] | [INFO] [stdout] 77 | use regex::internal::Input; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated type alias `std::os::unix::raw::time_t`: these type aliases are no longer supported by the standard library, the `libc` crate on crates.io should be used instead for the correct definitions [INFO] [stdout] --> src/ast.rs:76:29 [INFO] [stdout] | [INFO] [stdout] 76 | use std::os::unix::raw::time_t; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `TOKEN_REG_STR` is never used [INFO] [stdout] --> src/lexer.rs:8:7 [INFO] [stdout] | [INFO] [stdout] 8 | const TOKEN_REG_STR: &str = "\\s*((//.*)|([0-9]+)|(\"(\\\\\"|\\\\\\\\|\\\\n|[^\"])*\")|[A-Z_a-z][A-Z_a-z0-9]*|==|<=|>=|&&|\\|\\||[[:punct... [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `EOF_ERR_STR` is never used [INFO] [stdout] --> src/lexer.rs:9:7 [INFO] [stdout] | [INFO] [stdout] 9 | const EOF_ERR_STR: &str = "Already reach EOF!"; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Lexer` is never constructed [INFO] [stdout] --> src/lexer.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct Lexer { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `get_token_regex`, `new`, `read`, `peek`, `fill_queue`, and `read_line` are never used [INFO] [stdout] --> src/lexer.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 18 | impl Lexer { [INFO] [stdout] | ---------------------- associated items in this implementation [INFO] [stdout] 19 | #[inline] [INFO] [stdout] 20 | fn get_token_regex() -> Regex { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | pub fn new(reader: BufReader) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | pub fn read(&mut self) -> Result { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn peek(&mut self, i: usize) -> Result<&Token, String> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | fn fill_queue(&mut self, i: usize) -> Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 62 | fn read_line(&mut self) -> Result<(), String> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `IDENTIFIER`, `NUMBER`, `STRING`, `EOL`, and `EOF` are never constructed [INFO] [stdout] --> src/lexer.rs:108:5 [INFO] [stdout] | [INFO] [stdout] 107 | pub enum Token { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 108 | IDENTIFIER { token_base: TokenBase }, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 109 | NUMBER { token_base: TokenBase, number: i32 }, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 110 | STRING { token_base: TokenBase }, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 111 | EOL { token_base: TokenBase }, [INFO] [stdout] | ^^^ [INFO] [stdout] 112 | EOF { token_base: TokenBase }, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_text`, `get_line_number`, and `get_number` are never used [INFO] [stdout] --> src/lexer.rs:116:12 [INFO] [stdout] | [INFO] [stdout] 115 | impl Token { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] 116 | pub fn get_text(&self) -> String { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 126 | pub fn get_line_number(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 136 | pub fn get_number(&self) -> Result<&i32, String> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `LEAF` and `LIST` are never constructed [INFO] [stdout] --> src/ast.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub enum ASTree { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] 7 | LEAF { token: Token }, [INFO] [stdout] | ^^^^ [INFO] [stdout] 8 | LIST { token_list: LinkedList }, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ASTree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `children_number`, `children`, `location`, and `get_location_from_token` are never used [INFO] [stdout] --> src/ast.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl ASTree { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 23 | pub fn children_number(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | pub fn children(&self) -> impl Iterator { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 38 | pub fn location(&self) -> String { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn get_location_from_token(token: &Token) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_text`, `get_line_number`, and `get_number` are never used [INFO] [stdout] --> src/lexer.rs:116:12 [INFO] [stdout] | [INFO] [stdout] 115 | impl Token { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] 116 | pub fn get_text(&self) -> String { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 126 | pub fn get_line_number(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 136 | pub fn get_number(&self) -> Result<&i32, String> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `token` is never read [INFO] [stdout] --> src/ast.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | LEAF { token: Token }, [INFO] [stdout] | ---- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `LIST` is never constructed [INFO] [stdout] --> src/ast.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub enum ASTree { [INFO] [stdout] | ------ variant in this enum [INFO] [stdout] 7 | LEAF { token: Token }, [INFO] [stdout] 8 | LIST { token_list: LinkedList }, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ASTree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `location` and `get_location_from_token` are never used [INFO] [stdout] --> src/ast.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl ASTree { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 38 | pub fn location(&self) -> String { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn get_location_from_token(token: &Token) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `ASTList` is never used [INFO] [stdout] --> src/ast.rs:98:8 [INFO] [stdout] | [INFO] [stdout] 98 | fn ASTList() -> () { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `ASTLeaf` should have a snake case name [INFO] [stdout] --> src/ast.rs:87:8 [INFO] [stdout] | [INFO] [stdout] 87 | fn ASTLeaf() -> () { [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `astleaf` [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/ast.rs:86:12 [INFO] [stdout] | [INFO] [stdout] 86 | #[warn(non_snake_case)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `ASTList` should have a snake case name [INFO] [stdout] --> src/ast.rs:98:8 [INFO] [stdout] | [INFO] [stdout] 98 | fn ASTList() -> () { [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `astlist` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.85s [INFO] running `Command { std: "docker" "inspect" "0958d26d1d3592138259024ea92f38bfcb7dbc9e41671f8abb69fb4d55f4557c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0958d26d1d3592138259024ea92f38bfcb7dbc9e41671f8abb69fb4d55f4557c", kill_on_drop: false }` [INFO] [stdout] 0958d26d1d3592138259024ea92f38bfcb7dbc9e41671f8abb69fb4d55f4557c [INFO] checking kn0w-n0thing/two-week-script-by-rust against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkn0w-n0thing%2Ftwo-week-script-by-rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kn0w-n0thing/two-week-script-by-rust 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 git repo https://github.com/kn0w-n0thing/two-week-script-by-rust [INFO] finished tweaking git repo https://github.com/kn0w-n0thing/two-week-script-by-rust [INFO] tweaked toml for git repo https://github.com/kn0w-n0thing/two-week-script-by-rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/kn0w-n0thing/two-week-script-by-rust 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" "+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] 92f83a04fa2edfc2c0725ab2583f66dc3749bbdbe46a3b76c2577dd4048513e2 [INFO] running `Command { std: "docker" "start" "-a" "92f83a04fa2edfc2c0725ab2583f66dc3749bbdbe46a3b76c2577dd4048513e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "92f83a04fa2edfc2c0725ab2583f66dc3749bbdbe46a3b76c2577dd4048513e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92f83a04fa2edfc2c0725ab2583f66dc3749bbdbe46a3b76c2577dd4048513e2", kill_on_drop: false }` [INFO] [stdout] 92f83a04fa2edfc2c0725ab2583f66dc3749bbdbe46a3b76c2577dd4048513e2 [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] 96975f54c4e770118ab4b7c84d36a307b7c25f72016b5ca3357f731047dd61f6 [INFO] running `Command { std: "docker" "start" "-a" "96975f54c4e770118ab4b7c84d36a307b7c25f72016b5ca3357f731047dd61f6", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking regex-syntax v0.6.28 [INFO] [stderr] Checking stringreader v0.1.1 [INFO] [stderr] Checking aho-corasick v0.7.20 [INFO] [stderr] Checking regex v1.7.1 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.7.1/src/exec.rs:848:13 [INFO] [stdout] | [INFO] [stdout] 848 | / match dfa::Fsm::reverse( [INFO] [stdout] 849 | | &self.ro.dfa_reverse, [INFO] [stdout] 850 | | self.cache.value(), [INFO] [stdout] 851 | | false, [INFO] [stdout] ... | [INFO] [stdout] 862 | | Quit => return Some(Quit), [INFO] [stdout] 863 | | }; [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" "96975f54c4e770118ab4b7c84d36a307b7c25f72016b5ca3357f731047dd61f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96975f54c4e770118ab4b7c84d36a307b7c25f72016b5ca3357f731047dd61f6", kill_on_drop: false }` [INFO] [stdout] 96975f54c4e770118ab4b7c84d36a307b7c25f72016b5ca3357f731047dd61f6