[INFO] cloning repository https://github.com/o-in25/iron [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/o-in25/iron" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fo-in25%2Firon", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fo-in25%2Firon'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ea70423ca4eeaaf8155a552eb48445ced2fe7898 [INFO] checking o-in25/iron against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fo-in25%2Firon" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/o-in25/iron [INFO] finished tweaking git repo https://github.com/o-in25/iron [INFO] tweaked toml for git repo https://github.com/o-in25/iron written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/o-in25/iron on toolchain b1f2594eac607c1f051534800237eeedb5590a49 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/o-in25/iron 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ea2d18384eb973e9c253d893f5463c2b5bdd37888892c7bf974fd8b71bb3bded [INFO] running `Command { std: "docker" "start" "-a" "ea2d18384eb973e9c253d893f5463c2b5bdd37888892c7bf974fd8b71bb3bded", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ea2d18384eb973e9c253d893f5463c2b5bdd37888892c7bf974fd8b71bb3bded", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea2d18384eb973e9c253d893f5463c2b5bdd37888892c7bf974fd8b71bb3bded", kill_on_drop: false }` [INFO] [stdout] ea2d18384eb973e9c253d893f5463c2b5bdd37888892c7bf974fd8b71bb3bded [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5740a2cfb9cce329fef9f7e1a6b3a5d0584a9558e730e19a364da29c7ec60121 [INFO] running `Command { std: "docker" "start" "-a" "5740a2cfb9cce329fef9f7e1a6b3a5d0584a9558e730e19a364da29c7ec60121", kill_on_drop: false }` [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling cc v1.0.40 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Compiling backtrace v0.2.3 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking regex-syntax v0.6.11 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling dbghelp-sys v0.2.0 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking regex v1.2.1 [INFO] [stderr] Checking stacktrace v0.2.1 [INFO] [stderr] Checking iron v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `regex::Regex` [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use regex::Regex; [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: `std::vec::Vec` [INFO] [stdout] --> src/lexer.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `regex::Regex` [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use regex::Regex; [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: `std::vec::Vec` [INFO] [stdout] --> src/lexer.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple variants are never constructed [INFO] [stdout] --> src/lexer.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub enum NameT { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 11 | OpenBrace, [INFO] [stdout] 12 | CloseBrace, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 13 | OpenParenthesis, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 14 | CloseParenthesis, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 15 | Semicolon, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 16 | IntegerKeyword, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 17 | ReturnKeyword, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 18 | Identifier, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 19 | IntegerLiteral [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `value` are never read [INFO] [stdout] --> src/lexer.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 22 | pub struct TokenT<'a> { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 23 | name: NameT, [INFO] [stdout] | ^^^^ [INFO] [stdout] 24 | value: &'a str [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lexer.rs:29:23 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn next(sequence: &str) -> TokenT { [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] 29 | pub fn next(sequence: &str) -> TokenT<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple variants are never constructed [INFO] [stdout] --> src/lexer.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub enum NameT { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 11 | OpenBrace, [INFO] [stdout] 12 | CloseBrace, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 13 | OpenParenthesis, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 14 | CloseParenthesis, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 15 | Semicolon, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 16 | IntegerKeyword, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 17 | ReturnKeyword, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 18 | Identifier, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 19 | IntegerLiteral [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `value` are never read [INFO] [stdout] --> src/lexer.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 22 | pub struct TokenT<'a> { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 23 | name: NameT, [INFO] [stdout] | ^^^^ [INFO] [stdout] 24 | value: &'a str [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lexer.rs:29:23 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn next(sequence: &str) -> TokenT { [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] 29 | pub fn next(sequence: &str) -> TokenT<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.59s [INFO] running `Command { std: "docker" "inspect" "5740a2cfb9cce329fef9f7e1a6b3a5d0584a9558e730e19a364da29c7ec60121", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5740a2cfb9cce329fef9f7e1a6b3a5d0584a9558e730e19a364da29c7ec60121", kill_on_drop: false }` [INFO] [stdout] 5740a2cfb9cce329fef9f7e1a6b3a5d0584a9558e730e19a364da29c7ec60121