[INFO] cloning repository https://github.com/Songbird0/my-brainfuck-interpreter
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Songbird0/my-brainfuck-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSongbird0%2Fmy-brainfuck-interpreter"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSongbird0%2Fmy-brainfuck-interpreter'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7845f76437d8df097fcdd1caa345ac6a90044634
[INFO] testing Songbird0/my-brainfuck-interpreter against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSongbird0%2Fmy-brainfuck-interpreter" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Songbird0/my-brainfuck-interpreter on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Songbird0/my-brainfuck-interpreter
[INFO] finished tweaking git repo https://github.com/Songbird0/my-brainfuck-interpreter
[INFO] tweaked toml for git repo https://github.com/Songbird0/my-brainfuck-interpreter written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Songbird0/my-brainfuck-interpreter already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 927976b1f30217f68e3b529a8b7f15f1a81bd7a2f90d17967b88c0d390e529d9
[INFO] running `"docker" "start" "-a" "927976b1f30217f68e3b529a8b7f15f1a81bd7a2f90d17967b88c0d390e529d9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling brainfuck_interpreter v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/parser/io.rs:1:21
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{self, Read};
[INFO] [stderr]   |                     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::parser::ram`
[INFO] [stderr]  --> src/parser/program.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::parser::ram;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Debug`
[INFO] [stderr]  --> src/parser/ast.rs:2:22
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fmt::{self, Debug};
[INFO] [stderr]   |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program_ptr`
[INFO] [stderr]   --> src/parser/program.rs:22:21
[INFO] [stderr]    |
[INFO] [stderr] 22 |                 let program_ptr: &usize = &interpreter.program_ptr;
[INFO] [stderr]    |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program_ptr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/parser/ast.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         self.ram[..].fmt(f);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/parser/ast.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         self.program.fmt(f);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.79s
[INFO] running `"docker" "inspect" "927976b1f30217f68e3b529a8b7f15f1a81bd7a2f90d17967b88c0d390e529d9"`
[INFO] running `"docker" "rm" "-f" "927976b1f30217f68e3b529a8b7f15f1a81bd7a2f90d17967b88c0d390e529d9"`
[INFO] [stdout] 927976b1f30217f68e3b529a8b7f15f1a81bd7a2f90d17967b88c0d390e529d9
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e7078b699babdeed8168f68ee4ac9d08161f3f7d9ac624f4700763f0efa167ed
[INFO] running `"docker" "start" "-a" "e7078b699babdeed8168f68ee4ac9d08161f3f7d9ac624f4700763f0efa167ed"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/parser/io.rs:1:21
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{self, Read};
[INFO] [stderr]   |                     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::parser::ram`
[INFO] [stderr]  --> src/parser/program.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::parser::ram;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Debug`
[INFO] [stderr]  --> src/parser/ast.rs:2:22
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fmt::{self, Debug};
[INFO] [stderr]   |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program_ptr`
[INFO] [stderr]   --> src/parser/program.rs:22:21
[INFO] [stderr]    |
[INFO] [stderr] 22 |                 let program_ptr: &usize = &interpreter.program_ptr;
[INFO] [stderr]    |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program_ptr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/parser/ast.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         self.ram[..].fmt(f);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/parser/ast.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         self.program.fmt(f);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling brainfuck_interpreter v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> tests/helloworld.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/parser/io.rs:1:21
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{self, Read};
[INFO] [stderr]   |                     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Debug`
[INFO] [stderr]  --> src/parser/ast.rs:2:22
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fmt::{self, Debug};
[INFO] [stderr]   |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program_ptr`
[INFO] [stderr]   --> src/parser/program.rs:22:21
[INFO] [stderr]    |
[INFO] [stderr] 22 |                 let program_ptr: &usize = &interpreter.program_ptr;
[INFO] [stderr]    |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program_ptr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser/ram.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut interpreter = ast::Interpreter {
[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/parser/ram.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut interpreter = right(interpreter);
[INFO] [stderr]    |         ----^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser/ram.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let mut interpreter = ast::Interpreter {
[INFO] [stderr]    |         ----^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser/ram.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |     let mut interpreter = ast::Interpreter {
[INFO] [stderr]    |         ----^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser/ram.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |     let mut interpreter = right(interpreter);
[INFO] [stderr]    |         ----^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser/ram.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |     let mut interpreter = left(interpreter);
[INFO] [stderr]    |         ----^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser/ram.rs:87:9
[INFO] [stderr]    |
[INFO] [stderr] 87 |     let mut interpreter = ast::Interpreter {
[INFO] [stderr]    |         ----^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser/ram.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |     let mut interpreter = increment(interpreter);
[INFO] [stderr]    |         ----^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser/ram.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |     let mut interpreter = ast::Interpreter {
[INFO] [stderr]     |         ----^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser/ram.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |     let mut interpreter = decrement(interpreter);
[INFO] [stderr]     |         ----^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser/program.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let mut interpreter = ast::Interpreter {
[INFO] [stderr]    |         ----^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser/program.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |     let mut interpreter = loop_beginning(interpreter);
[INFO] [stderr]    |         ----^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser/program.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |     let mut interpreter = ast::Interpreter {
[INFO] [stderr]    |         ----^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser/program.rs:87:9
[INFO] [stderr]    |
[INFO] [stderr] 87 |     let mut interpreter = loop_beginning(interpreter);
[INFO] [stderr]    |         ----^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser/program.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |     let mut interpreter = ast::Interpreter {
[INFO] [stderr]    |         ----^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser/program.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |     let mut interpreter = loop_beginning(interpreter);
[INFO] [stderr]     |         ----^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser/program.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 |     let mut interpreter = loop_beginning(interpreter);
[INFO] [stderr]     |         ----^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser/program.rs:168:9
[INFO] [stderr]     |
[INFO] [stderr] 168 |     let mut interpreter = loop_ending(interpreter);
[INFO] [stderr]     |         ----^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser/program.rs:172:9
[INFO] [stderr]     |
[INFO] [stderr] 172 |     let mut interpreter = loop_ending(interpreter);
[INFO] [stderr]     |         ----^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/parser/ast.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         self.ram[..].fmt(f);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/parser/ast.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         self.program.fmt(f);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `"docker" "inspect" "e7078b699babdeed8168f68ee4ac9d08161f3f7d9ac624f4700763f0efa167ed"`
[INFO] running `"docker" "rm" "-f" "e7078b699babdeed8168f68ee4ac9d08161f3f7d9ac624f4700763f0efa167ed"`
[INFO] [stdout] e7078b699babdeed8168f68ee4ac9d08161f3f7d9ac624f4700763f0efa167ed
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3093ba72659f0568422c147b6a54689926a338b749207f714d82961cb91f6fef
[INFO] running `"docker" "start" "-a" "3093ba72659f0568422c147b6a54689926a338b749207f714d82961cb91f6fef"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/parser/io.rs:1:21
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{self, Read};
[INFO] [stderr]   |                     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Debug`
[INFO] [stderr]  --> src/parser/ast.rs:2:22
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fmt::{self, Debug};
[INFO] [stderr]   |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program_ptr`
[INFO] [stderr]   --> src/parser/program.rs:22:21
[INFO] [stderr]    |
[INFO] [stderr] 22 |                 let program_ptr: &usize = &interpreter.program_ptr;
[INFO] [stderr]    |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program_ptr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser/ram.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut interpreter = ast::Interpreter {
[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/parser/ram.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut interpreter = right(interpreter);
[INFO] [stderr]    |         ----^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser/ram.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let mut interpreter = ast::Interpreter {
[INFO] [stderr]    |         ----^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser/ram.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |     let mut interpreter = ast::Interpreter {
[INFO] [stderr]    |         ----^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser/ram.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |     let mut interpreter = right(interpreter);
[INFO] [stderr]    |         ----^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser/ram.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |     let mut interpreter = left(interpreter);
[INFO] [stderr]    |         ----^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser/ram.rs:87:9
[INFO] [stderr]    |
[INFO] [stderr] 87 |     let mut interpreter = ast::Interpreter {
[INFO] [stderr]    |         ----^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser/ram.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |     let mut interpreter = increment(interpreter);
[INFO] [stderr]    |         ----^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser/ram.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |     let mut interpreter = ast::Interpreter {
[INFO] [stderr]     |         ----^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser/ram.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |     let mut interpreter = decrement(interpreter);
[INFO] [stderr]     |         ----^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser/program.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let mut interpreter = ast::Interpreter {
[INFO] [stderr]    |         ----^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/parser/io.rs:1:21
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{self, Read};
[INFO] [stderr]   |                     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser/program.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |     let mut interpreter = loop_beginning(interpreter);
[INFO] [stderr]    |         ----^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser/program.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |     let mut interpreter = ast::Interpreter {
[INFO] [stderr]    |         ----^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::parser::ram`
[INFO] [stderr]  --> src/parser/program.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::parser::ram;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser/program.rs:87:9
[INFO] [stderr]    |
[INFO] [stderr] 87 |     let mut interpreter = loop_beginning(interpreter);
[INFO] [stderr]    |         ----^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Debug`
[INFO] [stderr]  --> src/parser/ast.rs:2:22
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fmt::{self, Debug};
[INFO] [stderr]   |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program_ptr`
[INFO] [stderr]   --> src/parser/program.rs:22:21
[INFO] [stderr]    |
[INFO] [stderr] 22 |                 let program_ptr: &usize = &interpreter.program_ptr;
[INFO] [stderr]    |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program_ptr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser/program.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |     let mut interpreter = ast::Interpreter {
[INFO] [stderr]    |         ----^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/parser/ast.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         self.ram[..].fmt(f);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser/program.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |     let mut interpreter = loop_beginning(interpreter);
[INFO] [stderr]     |         ----^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser/program.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 |     let mut interpreter = loop_beginning(interpreter);
[INFO] [stderr]     |         ----^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/parser/ast.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         self.program.fmt(f);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser/program.rs:168:9
[INFO] [stderr]     |
[INFO] [stderr] 168 |     let mut interpreter = loop_ending(interpreter);
[INFO] [stderr]     |         ----^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser/program.rs:172:9
[INFO] [stderr]     |
[INFO] [stderr] 172 |     let mut interpreter = loop_ending(interpreter);
[INFO] [stderr]     |         ----^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/parser/ast.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         self.ram[..].fmt(f);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/parser/ast.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         self.program.fmt(f);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> tests/helloworld.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/brainfuck_interpreter-404663f67094cf91
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test parser::io::feed_single_token ... ignored
[INFO] [stdout] test parser::program::loop_beginning_empty_loop_and_cell_equals_zero ... ok
[INFO] [stdout] test parser::io::print_single_token ... ok
[INFO] [stdout] test parser::ram::decrement_single_token ... ok
[INFO] [stdout] test parser::io::print_the_character_b ... ok
[INFO] [stdout] test parser::ram::right_a_simple_token ... ok
[INFO] [stdout] test parser::program::loop_beginning_3_empty_nested_loop_2_level_of_imbrication ... ok
[INFO] [stdout] test parser::ram::increment_single_token ... ok
[INFO] [stdout] test parser::program::loop_beginning_3_empty_nested_loop_1_level_of_imbrication ... ok
[INFO] [stdout] test parser::program::loop_ending_integration_with_loop_beginning_nested_loop ... ok
[INFO] [stdout] test parser::ram::left_go_to_right_and_go_back_to_left ... ok
[INFO] [stdout] test parser::program::loop_ending_integration_with_loop_beginning_single_loop ... ok
[INFO] [stdout] test parser::ram::left_a_simple_token ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/main-6f9d7e9fc1283b3d
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/helloworld-53c7c376babc4594
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test helloworld_debug_trait ... ok
[INFO] [stdout] test helloworld_case ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests brainfuck_interpreter
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3093ba72659f0568422c147b6a54689926a338b749207f714d82961cb91f6fef"`
[INFO] running `"docker" "rm" "-f" "3093ba72659f0568422c147b6a54689926a338b749207f714d82961cb91f6fef"`
[INFO] [stdout] 3093ba72659f0568422c147b6a54689926a338b749207f714d82961cb91f6fef