[INFO] crate brain-brainfuck 1.3.0 is already in cache
[INFO] checking brain-brainfuck-1.3.0 against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] extracting crate brain-brainfuck 1.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate brain-brainfuck 1.3.0 on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate brain-brainfuck 1.3.0
[INFO] finished tweaking crates.io crate brain-brainfuck 1.3.0
[INFO] tweaked toml for crates.io crate brain-brainfuck 1.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9d4d7ff1cadab9b1627dd23574bb782a58f6fe6d39bb0cfdb0ed619a1b30ea76
[INFO] running `"docker" "start" "-a" "9d4d7ff1cadab9b1627dd23574bb782a58f6fe6d39bb0cfdb0ed619a1b30ea76"`
[INFO] [stderr]     Checking brain-brainfuck v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/interpreter.rs:100:18
[INFO] [stderr]     |
[INFO] [stderr] 100 | fn fill_matching(mut program: &mut Vec<Instruction>, start: usize) -> usize {
[INFO] [stderr]     |                  ----^^^^^^^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/interpreter.rs:100:18
[INFO] [stderr]     |
[INFO] [stderr] 100 | fn fill_matching(mut program: &mut Vec<Instruction>, start: usize) -> usize {
[INFO] [stderr]     |                  ----^^^^^^^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> benches/benchmark.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | / lazy_static! {
[INFO] [stderr] 14 | |     // This program is trivial to run in both size and speed
[INFO] [stderr] 15 | |     static ref TRIVIAL_SOURCE: Vec<u8> = include_bytes!("../examples/hello-world.bf").to_vec();
[INFO] [stderr] 16 | |     // This is a very large program in size
[INFO] [stderr] ...  |
[INFO] [stderr] 23 | |     static ref SLOW_SOURCE: Vec<u8> = include_bytes!("../examples/mandel.bf").to_vec();
[INFO] [stderr] 24 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> benches/benchmark.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | / lazy_static! {
[INFO] [stderr] 14 | |     // This program is trivial to run in both size and speed
[INFO] [stderr] 15 | |     static ref TRIVIAL_SOURCE: Vec<u8> = include_bytes!("../examples/hello-world.bf").to_vec();
[INFO] [stderr] 16 | |     // This is a very large program in size
[INFO] [stderr] ...  |
[INFO] [stderr] 23 | |     static ref SLOW_SOURCE: Vec<u8> = include_bytes!("../examples/mandel.bf").to_vec();
[INFO] [stderr] 24 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> benches/benchmark.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | / lazy_static! {
[INFO] [stderr] 14 | |     // This program is trivial to run in both size and speed
[INFO] [stderr] 15 | |     static ref TRIVIAL_SOURCE: Vec<u8> = include_bytes!("../examples/hello-world.bf").to_vec();
[INFO] [stderr] 16 | |     // This is a very large program in size
[INFO] [stderr] ...  |
[INFO] [stderr] 23 | |     static ref SLOW_SOURCE: Vec<u8> = include_bytes!("../examples/mandel.bf").to_vec();
[INFO] [stderr] 24 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> benches/benchmark.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | / lazy_static! {
[INFO] [stderr] 14 | |     // This program is trivial to run in both size and speed
[INFO] [stderr] 15 | |     static ref TRIVIAL_SOURCE: Vec<u8> = include_bytes!("../examples/hello-world.bf").to_vec();
[INFO] [stderr] 16 | |     // This is a very large program in size
[INFO] [stderr] ...  |
[INFO] [stderr] 23 | |     static ref SLOW_SOURCE: Vec<u8> = include_bytes!("../examples/mandel.bf").to_vec();
[INFO] [stderr] 24 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> benches/benchmark.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | / lazy_static! {
[INFO] [stderr] 14 | |     // This program is trivial to run in both size and speed
[INFO] [stderr] 15 | |     static ref TRIVIAL_SOURCE: Vec<u8> = include_bytes!("../examples/hello-world.bf").to_vec();
[INFO] [stderr] 16 | |     // This is a very large program in size
[INFO] [stderr] ...  |
[INFO] [stderr] 23 | |     static ref SLOW_SOURCE: Vec<u8> = include_bytes!("../examples/mandel.bf").to_vec();
[INFO] [stderr] 24 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "9d4d7ff1cadab9b1627dd23574bb782a58f6fe6d39bb0cfdb0ed619a1b30ea76"`
[INFO] running `"docker" "rm" "-f" "9d4d7ff1cadab9b1627dd23574bb782a58f6fe6d39bb0cfdb0ed619a1b30ea76"`
[INFO] [stdout] 9d4d7ff1cadab9b1627dd23574bb782a58f6fe6d39bb0cfdb0ed619a1b30ea76