[INFO] cloning repository https://github.com/Techno-coder/calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Techno-coder/calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTechno-coder%2Fcalculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTechno-coder%2Fcalculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e65b59fdec94b8c9898a19439dce9d7712280f16
[INFO] testing Techno-coder/calculator against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTechno-coder%2Fcalculator" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Techno-coder/calculator on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Techno-coder/calculator
[INFO] finished tweaking git repo https://github.com/Techno-coder/calculator
[INFO] tweaked toml for git repo https://github.com/Techno-coder/calculator written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Techno-coder/calculator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossterm_cursor v0.4.0
[INFO] [stderr]   Downloaded crossterm_style v0.5.2
[INFO] [stderr]   Downloaded crossterm_screen v0.3.2
[INFO] [stderr]   Downloaded crossterm v0.12.0
[INFO] [stderr]   Downloaded crossterm_utils v0.4.0
[INFO] [stderr]   Downloaded crossterm_input v0.5.0
[INFO] [stderr]   Downloaded crossterm_terminal v0.3.2
[INFO] [stderr]   Downloaded crossterm_winapi v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69b738b7a4f2d71c6c98d3438122489b2c2ceb25ecf4fc7a742da38f21848271
[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" "69b738b7a4f2d71c6c98d3438122489b2c2ceb25ecf4fc7a742da38f21848271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69b738b7a4f2d71c6c98d3438122489b2c2ceb25ecf4fc7a742da38f21848271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69b738b7a4f2d71c6c98d3438122489b2c2ceb25ecf4fc7a742da38f21848271", kill_on_drop: false }`
[INFO] [stdout] 69b738b7a4f2d71c6c98d3438122489b2c2ceb25ecf4fc7a742da38f21848271
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e98b071dc3a18950209f792481df72d8cef7fd1c2e6e0ccefda5105eb07f359a
[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" "e98b071dc3a18950209f792481df72d8cef7fd1c2e6e0ccefda5105eb07f359a", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossterm_utils v0.4.0
[INFO] [stderr]    Compiling crossterm_screen v0.3.2
[INFO] [stderr]    Compiling crossterm_style v0.5.2
[INFO] [stderr]    Compiling crossterm_input v0.5.0
[INFO] [stderr]    Compiling crossterm_cursor v0.4.0
[INFO] [stderr]    Compiling crossterm_terminal v0.3.2
[INFO] [stderr]    Compiling crossterm v0.12.0
[INFO] [stderr]    Compiling calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `last_coalesce`
[INFO] [stdout]   --> src/lexer.rs:13:2
[INFO] [stdout]    |
[INFO] [stdout] 13 |     last_coalesce: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Lexer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/lexer.rs:9:10
[INFO] [stdout]    |
[INFO] [stdout] 9  | #[derive(Debug, Clone)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.32s
[INFO] running `Command { std: "docker" "inspect" "e98b071dc3a18950209f792481df72d8cef7fd1c2e6e0ccefda5105eb07f359a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e98b071dc3a18950209f792481df72d8cef7fd1c2e6e0ccefda5105eb07f359a", kill_on_drop: false }`
[INFO] [stdout] e98b071dc3a18950209f792481df72d8cef7fd1c2e6e0ccefda5105eb07f359a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", 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] 635b508acd4cffad1fe68674b897845469f4ec5f2b632047ca819944c8c8af37
[INFO] running `Command { std: "docker" "start" "-a" "635b508acd4cffad1fe68674b897845469f4ec5f2b632047ca819944c8c8af37", kill_on_drop: false }`
[INFO] [stderr]    Compiling calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `last_coalesce`
[INFO] [stdout]   --> src/lexer.rs:13:2
[INFO] [stdout]    |
[INFO] [stdout] 13 |     last_coalesce: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Lexer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/lexer.rs:9:10
[INFO] [stdout]    |
[INFO] [stdout] 9  | #[derive(Debug, Clone)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.46s
[INFO] running `Command { std: "docker" "inspect" "635b508acd4cffad1fe68674b897845469f4ec5f2b632047ca819944c8c8af37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "635b508acd4cffad1fe68674b897845469f4ec5f2b632047ca819944c8c8af37", kill_on_drop: false }`
[INFO] [stdout] 635b508acd4cffad1fe68674b897845469f4ec5f2b632047ca819944c8c8af37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", 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] bb951838abbeaac4f6c2486b9010a376929ee41c8e4950640ec38c5ae1247d61
[INFO] running `Command { std: "docker" "start" "-a" "bb951838abbeaac4f6c2486b9010a376929ee41c8e4950640ec38c5ae1247d61", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `last_coalesce`
[INFO] [stderr]   --> src/lexer.rs:13:2
[INFO] [stderr]    |
[INFO] [stderr] 13 |     last_coalesce: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Lexer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/lexer.rs:9:10
[INFO] [stderr]    |
[INFO] [stderr] 9  | #[derive(Debug, Clone)]
[INFO] [stderr]    |          ^^^^^  ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `calculator` (bin "calculator" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/calculator-faabcd5e85cf2859)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test lexer::tests::test_identifier ... ok
[INFO] [stdout] test lexer::tests::test_tokenize ... ok
[INFO] [stdout] test lexer::tests::test_numerical_format ... ok
[INFO] [stdout] test tests::evaluation::test_unary_minus ... ok
[INFO] [stdout] test tests::evaluation::test_implicit ... ok
[INFO] [stdout] test tests::evaluation::test_functions ... ok
[INFO] [stdout] test tests::evaluation::test_arithmetic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bb951838abbeaac4f6c2486b9010a376929ee41c8e4950640ec38c5ae1247d61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb951838abbeaac4f6c2486b9010a376929ee41c8e4950640ec38c5ae1247d61", kill_on_drop: false }`
[INFO] [stdout] bb951838abbeaac4f6c2486b9010a376929ee41c8e4950640ec38c5ae1247d61