[INFO] cloning repository https://github.com/stusmall/income_tax_graphic [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stusmall/income_tax_graphic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstusmall%2Fincome_tax_graphic", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstusmall%2Fincome_tax_graphic'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c32485f045d71d2e4e4105dabf3cfb3db3e00d28 [INFO] checking stusmall/income_tax_graphic against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstusmall%2Fincome_tax_graphic" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/stusmall/income_tax_graphic 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/stusmall/income_tax_graphic [INFO] finished tweaking git repo https://github.com/stusmall/income_tax_graphic [INFO] tweaked toml for git repo https://github.com/stusmall/income_tax_graphic written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/stusmall/income_tax_graphic 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] Downloading crates ... [INFO] [stderr] Downloaded byteorder v1.2.4 [INFO] [stderr] Downloaded wincolor v1.0.0 [INFO] [stderr] Downloaded termcolor v1.0.1 [INFO] [stderr] Downloaded env_logger v0.5.12 [INFO] [stderr] Downloaded deflate v0.7.18 [INFO] [stderr] Downloaded csv v1.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e7ad8daff87a3b2c206e4514bfc9cfec2816b66344a295ec4e7c2160637db92f [INFO] running `Command { std: "docker" "start" "-a" "e7ad8daff87a3b2c206e4514bfc9cfec2816b66344a295ec4e7c2160637db92f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e7ad8daff87a3b2c206e4514bfc9cfec2816b66344a295ec4e7c2160637db92f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7ad8daff87a3b2c206e4514bfc9cfec2816b66344a295ec4e7c2160637db92f", kill_on_drop: false }` [INFO] [stdout] e7ad8daff87a3b2c206e4514bfc9cfec2816b66344a295ec4e7c2160637db92f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5905f023ae59393f75fb2be051b661f843571c9ec9b977b910e2348906be8c9a [INFO] running `Command { std: "docker" "start" "-a" "5905f023ae59393f75fb2be051b661f843571c9ec9b977b910e2348906be8c9a", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Compiling version_check v0.1.4 [INFO] [stderr] Checking cfg-if v0.1.4 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling cc v1.0.18 [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Compiling regex v1.0.2 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling serde v1.0.71 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Compiling failure_derive v0.1.2 [INFO] [stderr] Checking regex-syntax v0.6.2 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Compiling proc-macro2 v0.4.9 [INFO] [stderr] Checking byteorder v1.2.4 [INFO] [stderr] Checking rustc-demangle v0.1.9 [INFO] [stderr] Compiling rayon v1.0.2 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking humantime v1.1.1 [INFO] [stderr] Checking inflate v0.4.3 [INFO] [stderr] Checking log v0.4.3 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking deflate v0.7.18 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking bitflags v1.0.3 [INFO] [stderr] Checking termcolor v1.0.1 [INFO] [stderr] Checking aho-corasick v0.6.6 [INFO] [stderr] Checking csv-core v0.1.4 [INFO] [stderr] Compiling quote v0.6.5 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Compiling syn v0.14.7 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Compiling backtrace-sys v0.1.23 [INFO] [stderr] Checking png v0.12.0 [INFO] [stderr] Checking backtrace v0.3.9 [INFO] [stderr] Checking env_logger v0.5.12 [INFO] [stderr] Compiling synstructure v0.9.0 [INFO] [stderr] Compiling serde_derive v1.0.71 [INFO] [stderr] Checking csv v1.0.0 [INFO] [stderr] Checking failure v0.1.2 [INFO] [stderr] Checking income_tax_graphic v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tax_brackets.rs:63:33 [INFO] [stdout] | [INFO] [stdout] 63 | ... let mut vec = entry.get_mut(); [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: variable does not need to be mutable [INFO] [stdout] --> src/tax_brackets.rs:63:33 [INFO] [stdout] | [INFO] [stdout] 63 | ... let mut vec = entry.get_mut(); [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: function `write_csv` is never used [INFO] [stdout] --> src/lib.rs:48:4 [INFO] [stdout] | [INFO] [stdout] 48 | fn write_csv(info: &Vec<(Dollars,Vec<(u32,f32)>)>){ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `tax` is never used [INFO] [stdout] --> src/dollars.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl Dollars { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 19 | pub fn tax(&self, rate: f32) -> Dollars { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `write_csv` is never used [INFO] [stdout] --> src/lib.rs:48:4 [INFO] [stdout] | [INFO] [stdout] 48 | fn write_csv(info: &Vec<(Dollars,Vec<(u32,f32)>)>){ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `tax` is never used [INFO] [stdout] --> src/dollars.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl Dollars { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 19 | pub fn tax(&self, rate: f32) -> Dollars { [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 10.81s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.7 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "5905f023ae59393f75fb2be051b661f843571c9ec9b977b910e2348906be8c9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5905f023ae59393f75fb2be051b661f843571c9ec9b977b910e2348906be8c9a", kill_on_drop: false }` [INFO] [stdout] 5905f023ae59393f75fb2be051b661f843571c9ec9b977b910e2348906be8c9a [INFO] checking stusmall/income_tax_graphic against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstusmall%2Fincome_tax_graphic" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/stusmall/income_tax_graphic 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/stusmall/income_tax_graphic [INFO] finished tweaking git repo https://github.com/stusmall/income_tax_graphic [INFO] tweaked toml for git repo https://github.com/stusmall/income_tax_graphic written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/stusmall/income_tax_graphic 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 419a039ceeaea645ebec3a5a7b994b84b2a5e5fcc606220b4a495cbd91a4e451 [INFO] running `Command { std: "docker" "start" "-a" "419a039ceeaea645ebec3a5a7b994b84b2a5e5fcc606220b4a495cbd91a4e451", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "419a039ceeaea645ebec3a5a7b994b84b2a5e5fcc606220b4a495cbd91a4e451", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "419a039ceeaea645ebec3a5a7b994b84b2a5e5fcc606220b4a495cbd91a4e451", kill_on_drop: false }` [INFO] [stdout] 419a039ceeaea645ebec3a5a7b994b84b2a5e5fcc606220b4a495cbd91a4e451 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 98b24f240df4166c65245d04241f63927b51fc0648e19f3174e9dcb2636be232 [INFO] running `Command { std: "docker" "start" "-a" "98b24f240df4166c65245d04241f63927b51fc0648e19f3174e9dcb2636be232", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Compiling version_check v0.1.4 [INFO] [stderr] Checking cfg-if v0.1.4 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Compiling cc v1.0.18 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling failure_derive v0.1.2 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling serde v1.0.71 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Compiling proc-macro2 v0.4.9 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Compiling regex v1.0.2 [INFO] [stderr] Checking rustc-demangle v0.1.9 [INFO] [stderr] Checking byteorder v1.2.4 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking regex-syntax v0.6.2 [INFO] [stderr] Compiling rayon v1.0.2 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking humantime v1.1.1 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Checking inflate v0.4.3 [INFO] [stderr] Checking log v0.4.3 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking deflate v0.7.18 [INFO] [stderr] Checking bitflags v1.0.3 [INFO] [stderr] Checking termcolor v1.0.1 [INFO] [stderr] Compiling quote v0.6.5 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Compiling syn v0.14.7 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Compiling backtrace-sys v0.1.23 [INFO] [stderr] Checking aho-corasick v0.6.6 [INFO] [stderr] Checking csv-core v0.1.4 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking png v0.12.0 [INFO] [stderr] Checking backtrace v0.3.9 [INFO] [stderr] Compiling synstructure v0.9.0 [INFO] [stderr] Checking env_logger v0.5.12 [INFO] [stderr] Compiling serde_derive v1.0.71 [INFO] [stderr] Checking csv v1.0.0 [INFO] [stderr] Checking failure v0.1.2 [INFO] [stderr] Checking income_tax_graphic v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tax_brackets.rs:63:33 [INFO] [stdout] | [INFO] [stdout] 63 | ... let mut vec = entry.get_mut(); [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: function `write_csv` is never used [INFO] [stdout] --> src/lib.rs:48:4 [INFO] [stdout] | [INFO] [stdout] 48 | fn write_csv(info: &Vec<(Dollars,Vec<(u32,f32)>)>){ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `tax` is never used [INFO] [stdout] --> src/dollars.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl Dollars { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 19 | pub fn tax(&self, rate: f32) -> Dollars { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tax_brackets.rs:63:33 [INFO] [stdout] | [INFO] [stdout] 63 | ... let mut vec = entry.get_mut(); [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: function `write_csv` is never used [INFO] [stdout] --> src/lib.rs:48:4 [INFO] [stdout] | [INFO] [stdout] 48 | fn write_csv(info: &Vec<(Dollars,Vec<(u32,f32)>)>){ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `tax` is never used [INFO] [stdout] --> src/dollars.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl Dollars { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 19 | pub fn tax(&self, rate: f32) -> Dollars { [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 11.28s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.7 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "98b24f240df4166c65245d04241f63927b51fc0648e19f3174e9dcb2636be232", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98b24f240df4166c65245d04241f63927b51fc0648e19f3174e9dcb2636be232", kill_on_drop: false }` [INFO] [stdout] 98b24f240df4166c65245d04241f63927b51fc0648e19f3174e9dcb2636be232