[INFO] cloning repository https://github.com/aHeraud/brainfuck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aHeraud/brainfuck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FaHeraud%2Fbrainfuck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FaHeraud%2Fbrainfuck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] baf942808df3f2197ba3c94470d2273ba1fa0953
[INFO] checking aHeraud/brainfuck against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FaHeraud%2Fbrainfuck" "/workspace/builds/worker-46/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-46/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aHeraud/brainfuck on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aHeraud/brainfuck
[INFO] finished tweaking git repo https://github.com/aHeraud/brainfuck
[INFO] tweaked toml for git repo https://github.com/aHeraud/brainfuck written to /workspace/builds/worker-46/source/Cargo.toml
[INFO] crate git repo https://github.com/aHeraud/brainfuck already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5fa2616bf6f1e75178865adf27069fc20073f12e5d7e58d5a943155253c4f79c
[INFO] running `Command { std: "docker" "start" "-a" "5fa2616bf6f1e75178865adf27069fc20073f12e5d7e58d5a943155253c4f79c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fa2616bf6f1e75178865adf27069fc20073f12e5d7e58d5a943155253c4f79c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fa2616bf6f1e75178865adf27069fc20073f12e5d7e58d5a943155253c4f79c", kill_on_drop: false }`
[INFO] [stdout] 5fa2616bf6f1e75178865adf27069fc20073f12e5d7e58d5a943155253c4f79c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7fdbcd22940c20153d83ceb110fee6e8fffe48fd5995ec0fa5c5a87cbbc935f
[INFO] running `Command { std: "docker" "start" "-a" "d7fdbcd22940c20153d83ceb110fee6e8fffe48fd5995ec0fa5c5a87cbbc935f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking bf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/jit/mod.rs:39:20
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let native_proc: (extern "sysv64" fn(usize) -> ()) = transmute(native_code.get_pointer());
[INFO] [stdout]    |                          ^                               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 39 -         let native_proc: (extern "sysv64" fn(usize) -> ()) = transmute(native_code.get_pointer());
[INFO] [stdout] 39 +         let native_proc: extern "sysv64" fn(usize) -> () = transmute(native_code.get_pointer());
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/jit/mod.rs:39:20
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let native_proc: (extern "sysv64" fn(usize) -> ()) = transmute(native_code.get_pointer());
[INFO] [stdout]    |                          ^                               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 39 -         let native_proc: (extern "sysv64" fn(usize) -> ()) = transmute(native_code.get_pointer());
[INFO] [stdout] 39 +         let native_proc: extern "sysv64" fn(usize) -> () = transmute(native_code.get_pointer());
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `flags`
[INFO] [stdout]   --> src/jit/buffer.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let flags = if exec {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `flags`
[INFO] [stdout]   --> src/jit/buffer.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let flags = if exec {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/jit/buffer.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/jit/translate.rs:117:7
[INFO] [stdout]     |
[INFO] [stdout] 117 |                         &mut instructions[address_index..address_index+4].clone_from_slice(&rel32_bytes);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 117 |                         let _ = &mut instructions[address_index..address_index+4].clone_from_slice(&rel32_bytes);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/jit/buffer.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/jit/translate.rs:117:7
[INFO] [stdout]     |
[INFO] [stdout] 117 |                         &mut instructions[address_index..address_index+4].clone_from_slice(&rel32_bytes);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 117 |                         let _ = &mut instructions[address_index..address_index+4].clone_from_slice(&rel32_bytes);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.41s
[INFO] running `Command { std: "docker" "inspect" "d7fdbcd22940c20153d83ceb110fee6e8fffe48fd5995ec0fa5c5a87cbbc935f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7fdbcd22940c20153d83ceb110fee6e8fffe48fd5995ec0fa5c5a87cbbc935f", kill_on_drop: false }`
[INFO] [stdout] d7fdbcd22940c20153d83ceb110fee6e8fffe48fd5995ec0fa5c5a87cbbc935f