[INFO] cloning repository https://github.com/tttmmmyyyy/fixlang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tttmmmyyyy/fixlang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftttmmmyyyy%2Ffixlang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftttmmmyyyy%2Ffixlang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae5122a90c49047b1b037eb4636c393ee46cdffb
[INFO] checking tttmmmyyyy/fixlang against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftttmmmyyyy%2Ffixlang" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tttmmmyyyy/fixlang
[INFO] finished tweaking git repo https://github.com/tttmmmyyyy/fixlang
[INFO] tweaked toml for git repo https://github.com/tttmmmyyyy/fixlang written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tttmmmyyyy/fixlang on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tttmmmyyyy/fixlang 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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1150901de355394b9837ef6f62d7c3024a56ffdb76a25020e1b417488068de70
[INFO] running `Command { std: "docker" "start" "-a" "1150901de355394b9837ef6f62d7c3024a56ffdb76a25020e1b417488068de70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1150901de355394b9837ef6f62d7c3024a56ffdb76a25020e1b417488068de70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1150901de355394b9837ef6f62d7c3024a56ffdb76a25020e1b417488068de70", kill_on_drop: false }`
[INFO] [stdout] 1150901de355394b9837ef6f62d7c3024a56ffdb76a25020e1b417488068de70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee4fe7adf65c51be95216c5de4681541fbed9f4872d220e7f5c8a5045194e4a2
[INFO] running `Command { std: "docker" "start" "-a" "ee4fe7adf65c51be95216c5de4681541fbed9f4872d220e7f5c8a5045194e4a2", kill_on_drop: false }`
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[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/builtin.rs:220:30
[INFO] [stdout]     |
[INFO] [stdout] 220 |                     .map(|i| (make_tyvar(&format!("a{}", i), &kind_star())))
[INFO] [stdout]     |                              ^                                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 220 -                     .map(|i| (make_tyvar(&format!("a{}", i), &kind_star())))
[INFO] [stdout] 220 +                     .map(|i| make_tyvar(&format!("a{}", i), &kind_star()))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/builtin.rs:220:30
[INFO] [stdout]     |
[INFO] [stdout] 220 |                     .map(|i| (make_tyvar(&format!("a{}", i), &kind_star())))
[INFO] [stdout]     |                              ^                                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 220 -                     .map(|i| (make_tyvar(&format!("a{}", i), &kind_star())))
[INFO] [stdout] 220 +                     .map(|i| make_tyvar(&format!("a{}", i), &kind_star()))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/generator.rs:1763:36
[INFO] [stdout]      |
[INFO] [stdout] 1763 |     pub fn create_debug_subprogram(&self, fn_name: &str, span: Option<Span>) -> DISubprogram {
[INFO] [stdout]      |                                    ^^^^^ the lifetime is elided here            ------------ the same lifetime is hidden 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] 1763 |     pub fn create_debug_subprogram(&self, fn_name: &str, span: Option<Span>) -> DISubprogram<'_> {
[INFO] [stdout]      |                                                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/generator.rs:1763:36
[INFO] [stdout]      |
[INFO] [stdout] 1763 |     pub fn create_debug_subprogram(&self, fn_name: &str, span: Option<Span>) -> DISubprogram {
[INFO] [stdout]      |                                    ^^^^^ the lifetime is elided here            ------------ the same lifetime is hidden 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] 1763 |     pub fn create_debug_subprogram(&self, fn_name: &str, span: Option<Span>) -> DISubprogram<'_> {
[INFO] [stdout]      |                                                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "ee4fe7adf65c51be95216c5de4681541fbed9f4872d220e7f5c8a5045194e4a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee4fe7adf65c51be95216c5de4681541fbed9f4872d220e7f5c8a5045194e4a2", kill_on_drop: false }`
[INFO] [stdout] ee4fe7adf65c51be95216c5de4681541fbed9f4872d220e7f5c8a5045194e4a2
