[INFO] cloning repository https://github.com/bramvdbogaerde/calculator-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bramvdbogaerde/calculator-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbramvdbogaerde%2Fcalculator-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbramvdbogaerde%2Fcalculator-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5be7bd7d2946fb1da15e5adfb767d39e5b1a7dcc [INFO] checking bramvdbogaerde/calculator-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbramvdbogaerde%2Fcalculator-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bramvdbogaerde/calculator-rs on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/bramvdbogaerde/calculator-rs [INFO] finished tweaking git repo https://github.com/bramvdbogaerde/calculator-rs [INFO] tweaked toml for git repo https://github.com/bramvdbogaerde/calculator-rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/bramvdbogaerde/calculator-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded typename_derive v0.1.4 [INFO] [stderr] Downloaded vergen v2.1.3 [INFO] [stderr] Downloaded packedvec v1.2.2 [INFO] [stderr] Downloaded rmp-serde v0.14.0 [INFO] [stderr] Downloaded getset v0.0.9 [INFO] [stderr] Downloaded rmp v0.8.9 [INFO] [stderr] Downloaded lrlex v0.5.1 [INFO] [stderr] Downloaded cactus v1.0.5 [INFO] [stderr] Downloaded cfgrammar v0.5.1 [INFO] [stderr] Downloaded macro-attr v0.2.0 [INFO] [stderr] Downloaded lrtable v0.5.1 [INFO] [stderr] Downloaded sparsevec v0.1.3 [INFO] [stderr] Downloaded typename v0.1.2 [INFO] [stderr] Downloaded vob v2.0.4 [INFO] [stderr] Downloaded lrpar v0.5.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c21cbe9d4c4dad64a4d65f832da350c6ccd2a0011f38e9d5fc34312d0dbfc279 [INFO] running `Command { std: "docker" "start" "-a" "c21cbe9d4c4dad64a4d65f832da350c6ccd2a0011f38e9d5fc34312d0dbfc279", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c21cbe9d4c4dad64a4d65f832da350c6ccd2a0011f38e9d5fc34312d0dbfc279", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c21cbe9d4c4dad64a4d65f832da350c6ccd2a0011f38e9d5fc34312d0dbfc279", kill_on_drop: false }` [INFO] [stdout] c21cbe9d4c4dad64a4d65f832da350c6ccd2a0011f38e9d5fc34312d0dbfc279 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bc39be0a186cbc6ff6909e228c8062752c26ffab95c7a90d0250300549be354a [INFO] running `Command { std: "docker" "start" "-a" "bc39be0a186cbc6ff6909e228c8062752c26ffab95c7a90d0250300549be354a", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling memchr v2.3.0 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling regex-syntax v0.6.14 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] Compiling newtype_derive v0.1.6 [INFO] [stderr] Compiling getopts v0.2.21 [INFO] [stderr] Compiling aho-corasick v0.7.7 [INFO] [stderr] Compiling try_from v0.3.2 [INFO] [stderr] Compiling static_assertions v1.1.0 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling indexmap v1.3.1 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling macro-attr v0.2.0 [INFO] [stderr] Compiling cactus v1.0.5 [INFO] [stderr] Compiling vob v2.0.4 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling filetime v0.2.8 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Checking rmp v0.8.9 [INFO] [stderr] Compiling backtrace v0.3.43 [INFO] [stderr] Compiling chrono v0.4.10 [INFO] [stderr] Checking regex v1.3.4 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling getset v0.0.9 [INFO] [stderr] Compiling typename_derive v0.1.4 [INFO] [stderr] Compiling typename v0.1.2 [INFO] [stderr] Compiling vergen v2.1.3 [INFO] [stderr] Compiling lrpar v0.5.1 [INFO] [stderr] Checking packedvec v1.2.2 [INFO] [stderr] Checking rmp-serde v0.14.0 [INFO] [stderr] Checking bincode v1.2.1 [INFO] [stderr] Checking cfgrammar v0.5.1 [INFO] [stderr] Checking sparsevec v0.1.3 [INFO] [stderr] Checking lrtable v0.5.1 [INFO] [stderr] Checking lrlex v0.5.1 [INFO] [stderr] Compiling calculator-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/eval.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | _ => unreachable!() [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/eval.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | _ => unreachable!() [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/main.rs:18:16 [INFO] [stdout] | [INFO] [stdout] 18 | let (expr, err) = calc_y::parse(&lexer); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/main.rs:18:16 [INFO] [stdout] | [INFO] [stdout] 18 | let (expr, err) = calc_y::parse(&lexer); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 26 | let _ = io::stdout().flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 26 | let _ = io::stdout().flush(); [INFO] [stdout] | +++++++ [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` profile [unoptimized + debuginfo] target(s) in 32.55s [INFO] running `Command { std: "docker" "inspect" "bc39be0a186cbc6ff6909e228c8062752c26ffab95c7a90d0250300549be354a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc39be0a186cbc6ff6909e228c8062752c26ffab95c7a90d0250300549be354a", kill_on_drop: false }` [INFO] [stdout] bc39be0a186cbc6ff6909e228c8062752c26ffab95c7a90d0250300549be354a [INFO] checking bramvdbogaerde/calculator-rs against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbramvdbogaerde%2Fcalculator-rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bramvdbogaerde/calculator-rs on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/bramvdbogaerde/calculator-rs [INFO] finished tweaking git repo https://github.com/bramvdbogaerde/calculator-rs [INFO] tweaked toml for git repo https://github.com/bramvdbogaerde/calculator-rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/bramvdbogaerde/calculator-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3ab4f877c12616b33e59d0692d278aaed851990429612fd7e302aa43a35b7997 [INFO] running `Command { std: "docker" "start" "-a" "3ab4f877c12616b33e59d0692d278aaed851990429612fd7e302aa43a35b7997", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3ab4f877c12616b33e59d0692d278aaed851990429612fd7e302aa43a35b7997", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ab4f877c12616b33e59d0692d278aaed851990429612fd7e302aa43a35b7997", kill_on_drop: false }` [INFO] [stdout] 3ab4f877c12616b33e59d0692d278aaed851990429612fd7e302aa43a35b7997 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b46f2495dc6272d1f97bf49d994bf597b108de614986416783236613bc9499b8 [INFO] running `Command { std: "docker" "start" "-a" "b46f2495dc6272d1f97bf49d994bf597b108de614986416783236613bc9499b8", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling memchr v2.3.0 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling regex-syntax v0.6.14 [INFO] [stderr] Compiling getopts v0.2.21 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling indexmap v1.3.1 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling newtype_derive v0.1.6 [INFO] [stderr] Compiling try_from v0.3.2 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling macro-attr v0.2.0 [INFO] [stderr] Checking aho-corasick v0.7.7 [INFO] [stderr] Compiling static_assertions v1.1.0 [INFO] [stderr] Compiling cactus v1.0.5 [INFO] [stderr] Compiling vob v2.0.4 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling filetime v0.2.8 [INFO] [stderr] Compiling regex v1.3.4 [INFO] [stderr] Compiling rmp v0.8.9 [INFO] [stderr] Compiling chrono v0.4.10 [INFO] [stderr] Compiling backtrace v0.3.43 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling getset v0.0.9 [INFO] [stderr] Compiling typename_derive v0.1.4 [INFO] [stderr] Compiling vergen v2.1.3 [INFO] [stderr] Compiling typename v0.1.2 [INFO] [stderr] Compiling lrpar v0.5.1 [INFO] [stderr] Checking packedvec v1.2.2 [INFO] [stderr] Checking rmp-serde v0.14.0 [INFO] [stderr] Checking bincode v1.2.1 [INFO] [stderr] Checking sparsevec v0.1.3 [INFO] [stderr] Checking cfgrammar v0.5.1 [INFO] [stderr] Checking lrtable v0.5.1 [INFO] [stderr] Checking lrlex v0.5.1 [INFO] [stderr] Compiling calculator-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/eval.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | _ => unreachable!() [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/main.rs:18:16 [INFO] [stdout] | [INFO] [stdout] 18 | let (expr, err) = calc_y::parse(&lexer); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 26 | let _ = io::stdout().flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/eval.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | _ => unreachable!() [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/main.rs:18:16 [INFO] [stdout] | [INFO] [stdout] 18 | let (expr, err) = calc_y::parse(&lexer); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 26 | let _ = io::stdout().flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.08s [INFO] running `Command { std: "docker" "inspect" "b46f2495dc6272d1f97bf49d994bf597b108de614986416783236613bc9499b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b46f2495dc6272d1f97bf49d994bf597b108de614986416783236613bc9499b8", kill_on_drop: false }` [INFO] [stdout] b46f2495dc6272d1f97bf49d994bf597b108de614986416783236613bc9499b8