[INFO] cloning repository https://github.com/coffee-cup/rust-calc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/coffee-cup/rust-calc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoffee-cup%2Frust-calc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoffee-cup%2Frust-calc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7fa90f1100921250c2ea8fdf6e3f1a6005726e1
[INFO] testing coffee-cup/rust-calc against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoffee-cup%2Frust-calc" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/coffee-cup/rust-calc on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/coffee-cup/rust-calc
[INFO] finished tweaking git repo https://github.com/coffee-cup/rust-calc
[INFO] tweaked toml for git repo https://github.com/coffee-cup/rust-calc written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/coffee-cup/rust-calc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9e6e73b83954ce941f167f4c8288f22ee8e5942d05992eccb481b913cd42b73
[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" "b9e6e73b83954ce941f167f4c8288f22ee8e5942d05992eccb481b913cd42b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9e6e73b83954ce941f167f4c8288f22ee8e5942d05992eccb481b913cd42b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9e6e73b83954ce941f167f4c8288f22ee8e5942d05992eccb481b913cd42b73", kill_on_drop: false }`
[INFO] [stdout] b9e6e73b83954ce941f167f4c8288f22ee8e5942d05992eccb481b913cd42b73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a6918f2c2d4df7237470adfb251c788020f72dce59e293e4f28aa819b4d33a3
[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" "7a6918f2c2d4df7237470adfb251c788020f72dce59e293e4f28aa819b4d33a3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer.rs:54:20
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 '0'...'9' => {
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_and_lex`
[INFO] [stdout]   --> src/parser.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn parse_and_lex(input: &String) -> Result<Expr, String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "7a6918f2c2d4df7237470adfb251c788020f72dce59e293e4f28aa819b4d33a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a6918f2c2d4df7237470adfb251c788020f72dce59e293e4f28aa819b4d33a3", kill_on_drop: false }`
[INFO] [stdout] 7a6918f2c2d4df7237470adfb251c788020f72dce59e293e4f28aa819b4d33a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 215a5fd9134c26b000b98d2e6194d6c97b793ed51e1c0d72973543508a9bfc98
[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" "215a5fd9134c26b000b98d2e6194d6c97b793ed51e1c0d72973543508a9bfc98", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer.rs:54:20
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 '0'...'9' => {
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "215a5fd9134c26b000b98d2e6194d6c97b793ed51e1c0d72973543508a9bfc98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "215a5fd9134c26b000b98d2e6194d6c97b793ed51e1c0d72973543508a9bfc98", kill_on_drop: false }`
[INFO] [stdout] 215a5fd9134c26b000b98d2e6194d6c97b793ed51e1c0d72973543508a9bfc98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ebb1f435b50f6539b071687e5eb1a592e29be85ab6cac51d65e6ff69cdd3ec99
[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" "ebb1f435b50f6539b071687e5eb1a592e29be85ab6cac51d65e6ff69cdd3ec99", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stdout] running 10 tests
[INFO] [stderr]   --> src/lexer.rs:54:20
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 '0'...'9' => {
[INFO] [stderr]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_calc-edac16bfe356c219
[INFO] [stdout] test interpreter::tests::eval_literal ... ok
[INFO] [stdout] test interpreter::tests::eval_simple ... ok
[INFO] [stdout] test parser::tests::basic_precedence ... ok
[INFO] [stdout] test parser::tests::parse_addition_expr ... ok
[INFO] [stdout] test lexer::tests::lex_math_expression ... ok
[INFO] [stdout] test lexer::tests::lex_empty_parens ... ok
[INFO] [stdout] test lexer::tests::lex_integer ... ok
[INFO] [stdout] test parser::tests::parse_literal_expr ... ok
[INFO] [stdout] test parser::tests::parse_paren ... ok
[INFO] [stdout] test lexer::tests::lex_simple_tokens ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ebb1f435b50f6539b071687e5eb1a592e29be85ab6cac51d65e6ff69cdd3ec99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebb1f435b50f6539b071687e5eb1a592e29be85ab6cac51d65e6ff69cdd3ec99", kill_on_drop: false }`
[INFO] [stdout] ebb1f435b50f6539b071687e5eb1a592e29be85ab6cac51d65e6ff69cdd3ec99