[INFO] cloning repository https://github.com/brain-lang/brainfuck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brain-lang/brainfuck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrain-lang%2Fbrainfuck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrain-lang%2Fbrainfuck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a7e6127ec581fc53cf0a1b659952d8d8a6cd30d
[INFO] checking brain-lang/brainfuck against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrain-lang%2Fbrainfuck" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brain-lang/brainfuck on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/brain-lang/brainfuck
[INFO] finished tweaking git repo https://github.com/brain-lang/brainfuck
[INFO] tweaked toml for git repo https://github.com/brain-lang/brainfuck written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/brain-lang/brainfuck already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a1587e444826d31e3976161fcced740855280508d616555e175e65d9a7f5bd0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7a1587e444826d31e3976161fcced740855280508d616555e175e65d9a7f5bd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a1587e444826d31e3976161fcced740855280508d616555e175e65d9a7f5bd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a1587e444826d31e3976161fcced740855280508d616555e175e65d9a7f5bd0", kill_on_drop: false }`
[INFO] [stdout] 7a1587e444826d31e3976161fcced740855280508d616555e175e65d9a7f5bd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9a9a55f2969698e4a93092f8a2331527081085be52a988a39d9b21530c04222f
[INFO] running `Command { std: "docker" "start" "-a" "9a9a55f2969698e4a93092f8a2331527081085be52a988a39d9b21530c04222f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.22
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking colored v1.5.1
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking clap v2.24.2
[INFO] [stderr]     Checking brain-brainfuck v1.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/interpreter.rs:100:18
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn fill_matching(mut program: &mut Vec<Instruction>, start: usize) -> usize {
[INFO] [stdout]     |                  ----^^^^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/interpreter.rs:100:18
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn fill_matching(mut program: &mut Vec<Instruction>, start: usize) -> usize {
[INFO] [stdout]     |                  ----^^^^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> benches/benchmark.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | / lazy_static! {
[INFO] [stdout] 16 | |     // This program is trivial to run in both size and speed
[INFO] [stdout] 17 | |     static ref TRIVIAL_SOURCE: Vec<u8> = include_bytes!("../examples/hello-world.bf").to_vec();
[INFO] [stdout] 18 | |     // This is a very large program in size
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | |     static ref SLOW_SOURCE: Vec<u8> = include_bytes!("../examples/mandel.bf").to_vec();
[INFO] [stdout] 26 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> benches/benchmark.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | / lazy_static! {
[INFO] [stdout] 16 | |     // This program is trivial to run in both size and speed
[INFO] [stdout] 17 | |     static ref TRIVIAL_SOURCE: Vec<u8> = include_bytes!("../examples/hello-world.bf").to_vec();
[INFO] [stdout] 18 | |     // This is a very large program in size
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | |     static ref SLOW_SOURCE: Vec<u8> = include_bytes!("../examples/mandel.bf").to_vec();
[INFO] [stdout] 26 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> benches/benchmark.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | / lazy_static! {
[INFO] [stdout] 16 | |     // This program is trivial to run in both size and speed
[INFO] [stdout] 17 | |     static ref TRIVIAL_SOURCE: Vec<u8> = include_bytes!("../examples/hello-world.bf").to_vec();
[INFO] [stdout] 18 | |     // This is a very large program in size
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | |     static ref SLOW_SOURCE: Vec<u8> = include_bytes!("../examples/mandel.bf").to_vec();
[INFO] [stdout] 26 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> benches/benchmark.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | / lazy_static! {
[INFO] [stdout] 16 | |     // This program is trivial to run in both size and speed
[INFO] [stdout] 17 | |     static ref TRIVIAL_SOURCE: Vec<u8> = include_bytes!("../examples/hello-world.bf").to_vec();
[INFO] [stdout] 18 | |     // This is a very large program in size
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | |     static ref SLOW_SOURCE: Vec<u8> = include_bytes!("../examples/mandel.bf").to_vec();
[INFO] [stdout] 26 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> benches/benchmark.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | / lazy_static! {
[INFO] [stdout] 16 | |     // This program is trivial to run in both size and speed
[INFO] [stdout] 17 | |     static ref TRIVIAL_SOURCE: Vec<u8> = include_bytes!("../examples/hello-world.bf").to_vec();
[INFO] [stdout] 18 | |     // This is a very large program in size
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | |     static ref SLOW_SOURCE: Vec<u8> = include_bytes!("../examples/mandel.bf").to_vec();
[INFO] [stdout] 26 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> benches/benchmark.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | / lazy_static! {
[INFO] [stdout] 16 | |     // This program is trivial to run in both size and speed
[INFO] [stdout] 17 | |     static ref TRIVIAL_SOURCE: Vec<u8> = include_bytes!("../examples/hello-world.bf").to_vec();
[INFO] [stdout] 18 | |     // This is a very large program in size
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | |     static ref SLOW_SOURCE: Vec<u8> = include_bytes!("../examples/mandel.bf").to_vec();
[INFO] [stdout] 26 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> benches/benchmark.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | / lazy_static! {
[INFO] [stdout] 16 | |     // This program is trivial to run in both size and speed
[INFO] [stdout] 17 | |     static ref TRIVIAL_SOURCE: Vec<u8> = include_bytes!("../examples/hello-world.bf").to_vec();
[INFO] [stdout] 18 | |     // This is a very large program in size
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | |     static ref SLOW_SOURCE: Vec<u8> = include_bytes!("../examples/mandel.bf").to_vec();
[INFO] [stdout] 26 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> benches/benchmark.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | / lazy_static! {
[INFO] [stdout] 16 | |     // This program is trivial to run in both size and speed
[INFO] [stdout] 17 | |     static ref TRIVIAL_SOURCE: Vec<u8> = include_bytes!("../examples/hello-world.bf").to_vec();
[INFO] [stdout] 18 | |     // This is a very large program in size
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | |     static ref SLOW_SOURCE: Vec<u8> = include_bytes!("../examples/mandel.bf").to_vec();
[INFO] [stdout] 26 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> benches/benchmark.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | / lazy_static! {
[INFO] [stdout] 16 | |     // This program is trivial to run in both size and speed
[INFO] [stdout] 17 | |     static ref TRIVIAL_SOURCE: Vec<u8> = include_bytes!("../examples/hello-world.bf").to_vec();
[INFO] [stdout] 18 | |     // This is a very large program in size
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | |     static ref SLOW_SOURCE: Vec<u8> = include_bytes!("../examples/mandel.bf").to_vec();
[INFO] [stdout] 26 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> benches/benchmark.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | / lazy_static! {
[INFO] [stdout] 16 | |     // This program is trivial to run in both size and speed
[INFO] [stdout] 17 | |     static ref TRIVIAL_SOURCE: Vec<u8> = include_bytes!("../examples/hello-world.bf").to_vec();
[INFO] [stdout] 18 | |     // This is a very large program in size
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | |     static ref SLOW_SOURCE: Vec<u8> = include_bytes!("../examples/mandel.bf").to_vec();
[INFO] [stdout] 26 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.79s
[INFO] running `Command { std: "docker" "inspect" "9a9a55f2969698e4a93092f8a2331527081085be52a988a39d9b21530c04222f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a9a55f2969698e4a93092f8a2331527081085be52a988a39d9b21530c04222f", kill_on_drop: false }`
[INFO] [stdout] 9a9a55f2969698e4a93092f8a2331527081085be52a988a39d9b21530c04222f