[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#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrain-lang%2Fbrainfuck" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brain-lang/brainfuck on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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-3/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", 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] d0f746d49d0102d4afe6d68b16c3cf03a3a24e04eee88e262893c3a60f47c999
[INFO] running `Command { std: "docker" "start" "-a" "d0f746d49d0102d4afe6d68b16c3cf03a3a24e04eee88e262893c3a60f47c999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0f746d49d0102d4afe6d68b16c3cf03a3a24e04eee88e262893c3a60f47c999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0f746d49d0102d4afe6d68b16c3cf03a3a24e04eee88e262893c3a60f47c999", kill_on_drop: false }`
[INFO] [stdout] d0f746d49d0102d4afe6d68b16c3cf03a3a24e04eee88e262893c3a60f47c999
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d29e9f807a4f33b9844594e337f07b2b9fe51c8b8f8529c7ad980367d4de4c7
[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" "2d29e9f807a4f33b9844594e337f07b2b9fe51c8b8f8529c7ad980367d4de4c7", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.22
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking colored v1.5.1
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking term_size v0.3.0
[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 5.64s
[INFO] running `Command { std: "docker" "inspect" "2d29e9f807a4f33b9844594e337f07b2b9fe51c8b8f8529c7ad980367d4de4c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d29e9f807a4f33b9844594e337f07b2b9fe51c8b8f8529c7ad980367d4de4c7", kill_on_drop: false }`
[INFO] [stdout] 2d29e9f807a4f33b9844594e337f07b2b9fe51c8b8f8529c7ad980367d4de4c7