[INFO] cloning repository https://github.com/Xanzis/hoot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Xanzis/hoot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXanzis%2Fhoot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXanzis%2Fhoot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 729a98fbcce3b66243891178092e29c66b9ead43
[INFO] checking Xanzis/hoot against master#75dbd5b8c3e3e3e7673caa890422e654d39b815e for pr-95985
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXanzis%2Fhoot" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Xanzis/hoot on toolchain 75dbd5b8c3e3e3e7673caa890422e654d39b815e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+75dbd5b8c3e3e3e7673caa890422e654d39b815e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Xanzis/hoot
[INFO] finished tweaking git repo https://github.com/Xanzis/hoot
[INFO] tweaked toml for git repo https://github.com/Xanzis/hoot written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Xanzis/hoot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+75dbd5b8c3e3e3e7673caa890422e654d39b815e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+75dbd5b8c3e3e3e7673caa890422e654d39b815e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d00872649434f4f5c927972d6640c622084a43525baa1fd24aa0b91e092b6852
[INFO] running `Command { std: "docker" "start" "-a" "d00872649434f4f5c927972d6640c622084a43525baa1fd24aa0b91e092b6852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d00872649434f4f5c927972d6640c622084a43525baa1fd24aa0b91e092b6852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d00872649434f4f5c927972d6640c622084a43525baa1fd24aa0b91e092b6852", kill_on_drop: false }`
[INFO] [stdout] d00872649434f4f5c927972d6640c622084a43525baa1fd24aa0b91e092b6852
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+75dbd5b8c3e3e3e7673caa890422e654d39b815e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2e681c25347aa35ed4f253cae1caa5670519d52c92540133d75063452fbe6e1
[INFO] running `Command { std: "docker" "start" "-a" "c2e681c25347aa35ed4f253cae1caa5670519d52c92540133d75063452fbe6e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]     Checking hoot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/scheme/builtin.rs:30:24
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn apply(self, env: &mut Environment, args: ObjectReference) -> ObjectReference {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/scheme/builtin.rs:30:47
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn apply(self, env: &mut Environment, args: ObjectReference) -> ObjectReference {
[INFO] [stdout]    |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg_syms`
[INFO] [stdout]   --> src/scheme/interpret.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     arg_syms: ObjectReference,
[INFO] [stdout]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arg_syms`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/scheme/interpret.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     expr: ObjectReference,
[INFO] [stdout]    |     ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/scheme/interpret.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     args: ObjectReference,
[INFO] [stdout]    |     ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/scheme/builtin.rs:30:24
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn apply(self, env: &mut Environment, args: ObjectReference) -> ObjectReference {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/scheme/builtin.rs:30:47
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn apply(self, env: &mut Environment, args: ObjectReference) -> ObjectReference {
[INFO] [stdout]    |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg_syms`
[INFO] [stdout]   --> src/scheme/interpret.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     arg_syms: ObjectReference,
[INFO] [stdout]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arg_syms`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/scheme/interpret.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     expr: ObjectReference,
[INFO] [stdout]    |     ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/scheme/interpret.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     args: ObjectReference,
[INFO] [stdout]    |     ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.87s
[INFO] running `Command { std: "docker" "inspect" "c2e681c25347aa35ed4f253cae1caa5670519d52c92540133d75063452fbe6e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2e681c25347aa35ed4f253cae1caa5670519d52c92540133d75063452fbe6e1", kill_on_drop: false }`
[INFO] [stdout] c2e681c25347aa35ed4f253cae1caa5670519d52c92540133d75063452fbe6e1