[INFO] cloning repository https://github.com/fexolm/lisp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fexolm/lisp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffexolm%2Flisp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffexolm%2Flisp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 57598387d645340b53cb49ebbd493a49cb1d8ae9
[INFO] checking fexolm/lisp against try#901d6c1c62d7c61e05469e996c297476078ee06b for pr-157082
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffexolm%2Flisp" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fexolm/lisp
[INFO] finished tweaking git repo https://github.com/fexolm/lisp
[INFO] tweaked toml for git repo https://github.com/fexolm/lisp written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fexolm/lisp on toolchain 901d6c1c62d7c61e05469e996c297476078ee06b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901d6c1c62d7c61e05469e996c297476078ee06b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fexolm/lisp 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" "+901d6c1c62d7c61e05469e996c297476078ee06b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] fc7c3ea2a24d6d0fa71ba7b70edc50d1ad134cefb8f37279f2fa5f94c0df8472
[INFO] running `Command { std: "docker" "start" "fc7c3ea2a24d6d0fa71ba7b70edc50d1ad134cefb8f37279f2fa5f94c0df8472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fc7c3ea2a24d6d0fa71ba7b70edc50d1ad134cefb8f37279f2fa5f94c0df8472" "/opt/rustwide/cargo-home/bin/cargo" "+901d6c1c62d7c61e05469e996c297476078ee06b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc7c3ea2a24d6d0fa71ba7b70edc50d1ad134cefb8f37279f2fa5f94c0df8472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fc7c3ea2a24d6d0fa71ba7b70edc50d1ad134cefb8f37279f2fa5f94c0df8472" "/opt/rustwide/cargo-home/bin/cargo" "+901d6c1c62d7c61e05469e996c297476078ee06b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking lisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::utils::*`
[INFO] [stdout]  --> src/ast/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use self::utils::*;
[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: `self::utils::*`
[INFO] [stdout]  --> src/ast/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use self::utils::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/tokenizer/tokenizer.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn tokens(&self) -> TokenIterator {
[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 tokens(&self) -> TokenIterator<'_> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/tokenizer/tokenizer.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn tokens(&self) -> TokenIterator {
[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 tokens(&self) -> TokenIterator<'_> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "fc7c3ea2a24d6d0fa71ba7b70edc50d1ad134cefb8f37279f2fa5f94c0df8472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc7c3ea2a24d6d0fa71ba7b70edc50d1ad134cefb8f37279f2fa5f94c0df8472", kill_on_drop: false }`
[INFO] [stdout] fc7c3ea2a24d6d0fa71ba7b70edc50d1ad134cefb8f37279f2fa5f94c0df8472