[INFO] cloning repository https://github.com/w-k-s/BrainfuckInterpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/w-k-s/BrainfuckInterpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fw-k-s%2FBrainfuckInterpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fw-k-s%2FBrainfuckInterpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 310c94f4292ca1efad6213c7754cf0967a5a4a5c
[INFO] testing w-k-s/BrainfuckInterpreter against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fw-k-s%2FBrainfuckInterpreter" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/w-k-s/BrainfuckInterpreter on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/w-k-s/BrainfuckInterpreter
[INFO] finished tweaking git repo https://github.com/w-k-s/BrainfuckInterpreter
[INFO] tweaked toml for git repo https://github.com/w-k-s/BrainfuckInterpreter written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/w-k-s/BrainfuckInterpreter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5aad63e2dbf676429439d711dc11fb51f0555a715264c515c7733dbdf0eefc55
[INFO] running `Command { std: "docker" "start" "-a" "5aad63e2dbf676429439d711dc11fb51f0555a715264c515c7733dbdf0eefc55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5aad63e2dbf676429439d711dc11fb51f0555a715264c515c7733dbdf0eefc55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aad63e2dbf676429439d711dc11fb51f0555a715264c515c7733dbdf0eefc55", kill_on_drop: false }`
[INFO] [stdout] 5aad63e2dbf676429439d711dc11fb51f0555a715264c515c7733dbdf0eefc55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3ae458b57837b9f18c742107c7c52a1f10ca30ec843fc44f911d607534fee1a
[INFO] running `Command { std: "docker" "start" "-a" "e3ae458b57837b9f18c742107c7c52a1f10ca30ec843fc44f911d607534fee1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling brainfuck_interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 46 |                     try!(self.data_pointer.checked_sub(1usize).ok_or("Data pointer below range"));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/main.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |         for (i, value) in self.data.iter().enumerate() {
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:84:17
[INFO] [stdout]    |
[INFO] [stdout] 84 |             let mut value_string: String;
[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: associated function is never used: `reset`
[INFO] [stdout]   --> src/main.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn reset(&mut self) -> &mut Brainfuck {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "e3ae458b57837b9f18c742107c7c52a1f10ca30ec843fc44f911d607534fee1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3ae458b57837b9f18c742107c7c52a1f10ca30ec843fc44f911d607534fee1a", kill_on_drop: false }`
[INFO] [stdout] e3ae458b57837b9f18c742107c7c52a1f10ca30ec843fc44f911d607534fee1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b09d5194e858eef9105a388fe86c0f5933b330efc3fa1275cd3260ff12e1910
[INFO] running `Command { std: "docker" "start" "-a" "5b09d5194e858eef9105a388fe86c0f5933b330efc3fa1275cd3260ff12e1910", kill_on_drop: false }`
[INFO] [stderr]    Compiling brainfuck_interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 46 |                     try!(self.data_pointer.checked_sub(1usize).ok_or("Data pointer below range"));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/main.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |         for (i, value) in self.data.iter().enumerate() {
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:84:17
[INFO] [stdout]    |
[INFO] [stdout] 84 |             let mut value_string: String;
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/brainfuck_interpreter-364734d68af3951e)
[INFO] running `Command { std: "docker" "inspect" "5b09d5194e858eef9105a388fe86c0f5933b330efc3fa1275cd3260ff12e1910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b09d5194e858eef9105a388fe86c0f5933b330efc3fa1275cd3260ff12e1910", kill_on_drop: false }`
[INFO] [stdout] 5b09d5194e858eef9105a388fe86c0f5933b330efc3fa1275cd3260ff12e1910
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 20d10a88d4cf1bec2a8be4fb222f203833991655b0dd0edc11f0cd3807551e73
[INFO] running `Command { std: "docker" "start" "-a" "20d10a88d4cf1bec2a8be4fb222f203833991655b0dd0edc11f0cd3807551e73", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:46:21
[INFO] [stderr]    |
[INFO] [stderr] 46 |                     try!(self.data_pointer.checked_sub(1usize).ok_or("Data pointer below range"));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/main.rs:83:17
[INFO] [stderr]    |
[INFO] [stderr] 83 |         for (i, value) in self.data.iter().enumerate() {
[INFO] [stderr]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[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/main.rs:84:17
[INFO] [stderr]    |
[INFO] [stderr] 84 |             let mut value_string: String;
[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: `brainfuck_interpreter` (bin "brainfuck_interpreter" test) generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/brainfuck_interpreter-364734d68af3951e)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test test_loop ... ok
[INFO] [stdout] test test_mismatched_brackets ... ok
[INFO] [stdout] test test_shift_left ... ok
[INFO] [stdout] test test_ascii_out ... ok
[INFO] [stdout] test test_signed_add ... ok
[INFO] [stdout] test test_add ... ok
[INFO] [stdout] test test_shift_right ... ok
[INFO] [stdout] test test_signed_sub ... ok
[INFO] [stdout] test test_sub ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "20d10a88d4cf1bec2a8be4fb222f203833991655b0dd0edc11f0cd3807551e73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20d10a88d4cf1bec2a8be4fb222f203833991655b0dd0edc11f0cd3807551e73", kill_on_drop: false }`
[INFO] [stdout] 20d10a88d4cf1bec2a8be4fb222f203833991655b0dd0edc11f0cd3807551e73