[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] testing aHeraud/brainfuck against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FaHeraud%2Fbrainfuck" "/workspace/builds/worker-65/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-65/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aHeraud/brainfuck on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-65/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" "+62efba8a050c64249dab942951bb28f710208bc8" "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-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a05b89b1266b4dee2aa56c5c5e2e424c01083222e92d8cf2a6566ef52855f76
[INFO] running `Command { std: "docker" "start" "-a" "6a05b89b1266b4dee2aa56c5c5e2e424c01083222e92d8cf2a6566ef52855f76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a05b89b1266b4dee2aa56c5c5e2e424c01083222e92d8cf2a6566ef52855f76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a05b89b1266b4dee2aa56c5c5e2e424c01083222e92d8cf2a6566ef52855f76", kill_on_drop: false }`
[INFO] [stdout] 6a05b89b1266b4dee2aa56c5c5e2e424c01083222e92d8cf2a6566ef52855f76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ac0e0ff0b3cb01fe7402919ef783096be8bc02af35b2b465074fcb81ea8ec3f
[INFO] running `Command { std: "docker" "start" "-a" "8ac0e0ff0b3cb01fe7402919ef783096be8bc02af35b2b465074fcb81ea8ec3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling 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: 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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.81s
[INFO] running `Command { std: "docker" "inspect" "8ac0e0ff0b3cb01fe7402919ef783096be8bc02af35b2b465074fcb81ea8ec3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ac0e0ff0b3cb01fe7402919ef783096be8bc02af35b2b465074fcb81ea8ec3f", kill_on_drop: false }`
[INFO] [stdout] 8ac0e0ff0b3cb01fe7402919ef783096be8bc02af35b2b465074fcb81ea8ec3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 326a6d045bf8c64fc45c539decd8d95baa80a3e21cb2e6cfad6d5becfec93a89
[INFO] running `Command { std: "docker" "start" "-a" "326a6d045bf8c64fc45c539decd8d95baa80a3e21cb2e6cfad6d5becfec93a89", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling 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: 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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.77s
[INFO] running `Command { std: "docker" "inspect" "326a6d045bf8c64fc45c539decd8d95baa80a3e21cb2e6cfad6d5becfec93a89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "326a6d045bf8c64fc45c539decd8d95baa80a3e21cb2e6cfad6d5becfec93a89", kill_on_drop: false }`
[INFO] [stdout] 326a6d045bf8c64fc45c539decd8d95baa80a3e21cb2e6cfad6d5becfec93a89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1e1c752c0ff7b91453d2bb7389ac9252b755096a337773e737c9850205a6ed13
[INFO] running `Command { std: "docker" "start" "-a" "1e1c752c0ff7b91453d2bb7389ac9252b755096a337773e737c9850205a6ed13", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/jit/mod.rs:39:20
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let native_proc: (extern "sysv64" fn(usize) -> ()) = transmute(native_code.get_pointer());
[INFO] [stderr]    |                          ^                               ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 39 -         let native_proc: (extern "sysv64" fn(usize) -> ()) = transmute(native_code.get_pointer());
[INFO] [stderr] 39 +         let native_proc: extern "sysv64" fn(usize) -> () = transmute(native_code.get_pointer());
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `flags`
[INFO] [stderr]   --> src/jit/buffer.rs:21:7
[INFO] [stderr]    |
[INFO] [stderr] 21 |         let flags = if exec {
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `len`
[INFO] [stderr]   --> src/jit/buffer.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn len(&self) -> usize {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/jit/translate.rs:117:7
[INFO] [stderr]     |
[INFO] [stderr] 117 |                         &mut instructions[address_index..address_index+4].clone_from_slice(&rel32_bytes);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 117 |                         let _ = &mut instructions[address_index..address_index+4].clone_from_slice(&rel32_bytes);
[INFO] [stderr]     |                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `bf` (bin "bf" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bf-ed2894e27b7c95b2)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test optimiser::test::merge_2_add_pointer_ins ... ok
[INFO] [stdout] test optimiser::test::merge_2_wrapping_add_data_ins ... ok
[INFO] [stdout] test optimiser::test::merge_3_add_data_ins ... ok
[INFO] [stdout] test optimiser::test::merge_empty_2_jumps ... ok
[INFO] [stdout] test optimiser::test::merge_relocate_jumps ... ok
[INFO] [stdout] test parser::tests::empty_nested_loops ... ok
[INFO] [stdout] test parser::tests::simple_program_no_loops ... ok
[INFO] [stdout] test parser::tests::unbalanced_backwards_jump ... ok
[INFO] [stdout] test parser::tests::empty_loop ... ok
[INFO] [stdout] test parser::tests::program_with_other_characters ... ok
[INFO] [stdout] test parser::tests::unbalanced_forward_jump ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1e1c752c0ff7b91453d2bb7389ac9252b755096a337773e737c9850205a6ed13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e1c752c0ff7b91453d2bb7389ac9252b755096a337773e737c9850205a6ed13", kill_on_drop: false }`
[INFO] [stdout] 1e1c752c0ff7b91453d2bb7389ac9252b755096a337773e737c9850205a6ed13