[INFO] cloning repository https://github.com/lxndio/lex80
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lxndio/lex80" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flxndio%2Flex80", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flxndio%2Flex80'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 803be8791afe5d42ef0ef33e1387c961b7ad80a7
[INFO] testing lxndio/lex80 against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flxndio%2Flex80" "/workspace/builds/worker-49/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-49/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lxndio/lex80 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lxndio/lex80
[INFO] finished tweaking git repo https://github.com/lxndio/lex80
[INFO] tweaked toml for git repo https://github.com/lxndio/lex80 written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] crate git repo https://github.com/lxndio/lex80 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7adbbc108c7ab581340cd2f70bf951ab18b9cf1c5a021fac0b5e304b36ccef4
[INFO] running `Command { std: "docker" "start" "-a" "b7adbbc108c7ab581340cd2f70bf951ab18b9cf1c5a021fac0b5e304b36ccef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7adbbc108c7ab581340cd2f70bf951ab18b9cf1c5a021fac0b5e304b36ccef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7adbbc108c7ab581340cd2f70bf951ab18b9cf1c5a021fac0b5e304b36ccef4", kill_on_drop: false }`
[INFO] [stdout] b7adbbc108c7ab581340cd2f70bf951ab18b9cf1c5a021fac0b5e304b36ccef4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ecf99707197397e3768fceb8547d3e3377f59c41dfac4418fe8726951949d11
[INFO] running `Command { std: "docker" "start" "-a" "9ecf99707197397e3768fceb8547d3e3377f59c41dfac4418fe8726951949d11", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling lex80-cpu v0.1.0 (/opt/rustwide/workdir/lex80-cpu)
[INFO] [stderr]    Compiling lex80-asm v0.1.1 (/opt/rustwide/workdir/lex80-asm)
[INFO] [stdout] warning: associated function is never used: `increase`
[INFO] [stdout]   --> lex80-cpu/src/registers.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn increase(&mut self, register: usize) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `decrease`
[INFO] [stdout]   --> lex80-cpu/src/registers.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn decrease(&mut self, register: usize) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> lex80-cpu/src/memory.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |             &self.set(current_addr, byte.unwrap());
[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] 52 |             let _ = &self.set(current_addr, byte.unwrap());
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_pos_in_arr`
[INFO] [stdout]    --> lex80-asm/src/assembler.rs:195:8
[INFO] [stdout]     |
[INFO] [stdout] 195 |     fn get_pos_in_arr(arr: &[String], elem: &String) -> Option<usize> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `opcode_part`
[INFO] [stdout]   --> lex80-asm/src/instruction.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn opcode_part(&self, i: usize) -> Option<&OpcodePart> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> lex80-asm/src/main.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     assembler.assemble(verbose_mode);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.69s
[INFO] running `Command { std: "docker" "inspect" "9ecf99707197397e3768fceb8547d3e3377f59c41dfac4418fe8726951949d11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ecf99707197397e3768fceb8547d3e3377f59c41dfac4418fe8726951949d11", kill_on_drop: false }`
[INFO] [stdout] 9ecf99707197397e3768fceb8547d3e3377f59c41dfac4418fe8726951949d11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ee9d1b8e8420532141a38e6ce1aca0efb8438ca83743821bd1e97008807620b
[INFO] running `Command { std: "docker" "start" "-a" "2ee9d1b8e8420532141a38e6ce1aca0efb8438ca83743821bd1e97008807620b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lex80-asm v0.1.1 (/opt/rustwide/workdir/lex80-asm)
[INFO] [stderr]    Compiling lex80-cpu v0.1.0 (/opt/rustwide/workdir/lex80-cpu)
[INFO] [stdout] warning: associated function is never used: `increase`
[INFO] [stdout]   --> lex80-cpu/src/registers.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn increase(&mut self, register: usize) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `decrease`
[INFO] [stdout]   --> lex80-cpu/src/registers.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn decrease(&mut self, register: usize) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> lex80-cpu/src/memory.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |             &self.set(current_addr, byte.unwrap());
[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] 52 |             let _ = &self.set(current_addr, byte.unwrap());
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_pos_in_arr`
[INFO] [stdout]    --> lex80-asm/src/assembler.rs:195:8
[INFO] [stdout]     |
[INFO] [stdout] 195 |     fn get_pos_in_arr(arr: &[String], elem: &String) -> Option<usize> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `opcode_part`
[INFO] [stdout]   --> lex80-asm/src/instruction.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn opcode_part(&self, i: usize) -> Option<&OpcodePart> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> lex80-asm/src/main.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     assembler.assemble(verbose_mode);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.62s
[INFO] running `Command { std: "docker" "inspect" "2ee9d1b8e8420532141a38e6ce1aca0efb8438ca83743821bd1e97008807620b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ee9d1b8e8420532141a38e6ce1aca0efb8438ca83743821bd1e97008807620b", kill_on_drop: false }`
[INFO] [stdout] 2ee9d1b8e8420532141a38e6ce1aca0efb8438ca83743821bd1e97008807620b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8fd6683c0e925dc8a971d314c1333d1cdabc8491198ac35d7c3d38d84f53c8f8
[INFO] running `Command { std: "docker" "start" "-a" "8fd6683c0e925dc8a971d314c1333d1cdabc8491198ac35d7c3d38d84f53c8f8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: associated function is never used: `get_pos_in_arr`
[INFO] [stderr]    --> lex80-asm/src/assembler.rs:195:8
[INFO] [stderr]     |
[INFO] [stderr] 195 |     fn get_pos_in_arr(arr: &[String], elem: &String) -> Option<usize> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `opcode_part`
[INFO] [stderr]   --> lex80-asm/src/instruction.rs:76:12
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn opcode_part(&self, i: usize) -> Option<&OpcodePart> {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> lex80-asm/src/main.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     assembler.assemble(verbose_mode);
[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: associated function is never used: `increase`
[INFO] [stderr]   --> lex80-cpu/src/registers.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn increase(&mut self, register: usize) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `decrease`
[INFO] [stderr]   --> lex80-cpu/src/registers.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn decrease(&mut self, register: usize) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> lex80-cpu/src/memory.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |             &self.set(current_addr, byte.unwrap());
[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] 52 |             let _ = &self.set(current_addr, byte.unwrap());
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `lex80-asm` (bin "lex80-asm" test) generated 3 warnings
[INFO] [stderr] warning: `lex80-cpu` (bin "lex80-cpu" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.80s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lex80_asm-88459230878a05f4)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lex80_cpu-91bd8e5d78dfbecd)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8fd6683c0e925dc8a971d314c1333d1cdabc8491198ac35d7c3d38d84f53c8f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fd6683c0e925dc8a971d314c1333d1cdabc8491198ac35d7c3d38d84f53c8f8", kill_on_drop: false }`
[INFO] [stdout] 8fd6683c0e925dc8a971d314c1333d1cdabc8491198ac35d7c3d38d84f53c8f8