[INFO] fetching crate bytebraise 0.1.4... [INFO] checking bytebraise-0.1.4 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate bytebraise 0.1.4 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate bytebraise 0.1.4 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate bytebraise 0.1.4 [INFO] tweaked toml for crates.io crate bytebraise 0.1.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate bytebraise 0.1.4 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate bytebraise 0.1.4 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 85a8b5970459aed5aae03e2544db7006de42b0bbe05a104c0f5d4971216384cc [INFO] running `Command { std: "docker" "start" "-a" "85a8b5970459aed5aae03e2544db7006de42b0bbe05a104c0f5d4971216384cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "85a8b5970459aed5aae03e2544db7006de42b0bbe05a104c0f5d4971216384cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85a8b5970459aed5aae03e2544db7006de42b0bbe05a104c0f5d4971216384cc", kill_on_drop: false }` [INFO] [stdout] 85a8b5970459aed5aae03e2544db7006de42b0bbe05a104c0f5d4971216384cc [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ac7997fc509c6bd6f42b3b73c42d3a21bc370eb70fac50d15b13b5c8e9144ff1 [INFO] running `Command { std: "docker" "start" "-a" "ac7997fc509c6bd6f42b3b73c42d3a21bc370eb70fac50d15b13b5c8e9144ff1", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling strsim v0.11.1 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling siphasher v1.0.1 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling typenum v1.18.0 [INFO] [stderr] Compiling thiserror v2.0.12 [INFO] [stderr] Checking utf8parse v0.2.2 [INFO] [stderr] Compiling phf_shared v0.11.3 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Checking anstyle-parse v0.2.6 [INFO] [stderr] Checking anstyle-query v1.1.2 [INFO] [stderr] Checking yansi v1.0.1 [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking anstyle v1.0.10 [INFO] [stderr] Checking colorchoice v1.0.3 [INFO] [stderr] Checking diff v0.1.13 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Compiling anyhow v1.0.98 [INFO] [stderr] Checking is_terminal_polyfill v1.70.1 [INFO] [stderr] Checking anstream v0.6.18 [INFO] [stderr] Compiling phf_generator v0.11.3 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Checking pretty_assertions v1.4.1 [INFO] [stderr] Compiling im-rc v15.1.0 [INFO] [stderr] Checking itertools v0.12.1 [INFO] [stderr] Compiling syn v2.0.101 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Checking bitmaps v2.1.0 [INFO] [stderr] Checking superslice v1.0.0 [INFO] [stderr] Checking muncher v0.7.0 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Checking countme v3.0.1 [INFO] [stderr] Checking text-size v1.1.1 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.4.6 [INFO] [stderr] Compiling paste v1.0.15 [INFO] [stderr] Checking clap_lex v0.7.4 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking clap_builder v4.5.37 [INFO] [stderr] Checking rowan v0.16.1 [INFO] [stderr] Checking sized-chunks v0.6.5 [INFO] [stderr] Checking rand_xoshiro v0.6.0 [INFO] [stderr] Checking itertools v0.14.0 [INFO] [stderr] Checking equivalent v1.0.2 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Checking hashbrown v0.15.3 [INFO] [stderr] Checking cow-utils v0.1.3 [INFO] [stderr] Checking once_cell v1.21.3 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Checking indexmap v2.9.0 [INFO] [stderr] Checking num-rational v0.4.2 [INFO] [stderr] Checking num v0.4.3 [INFO] [stderr] Checking nested_intervals v0.6.0 [INFO] [stderr] Compiling darling_core v0.20.11 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Compiling thiserror-impl v2.0.12 [INFO] [stderr] Compiling phf_macros v0.11.3 [INFO] [stderr] Compiling clap_derive v4.5.32 [INFO] [stderr] Compiling derive_more-impl v2.0.1 [INFO] [stderr] Checking phf v0.11.3 [INFO] [stderr] Checking bytebraise-lexer v0.1.0 [INFO] [stderr] Checking derive_more v2.0.1 [INFO] [stderr] Checking clap v4.5.37 [INFO] [stderr] Compiling darling_macro v0.20.11 [INFO] [stderr] Compiling darling v0.20.11 [INFO] [stderr] Compiling derive_builder_core v0.20.2 [INFO] [stderr] Compiling derive_builder_macro v0.20.2 [INFO] [stderr] Checking derive_builder v0.20.2 [INFO] [stderr] Checking bytebraise-syntax v0.1.0 [INFO] [stderr] Checking bytebraise v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated method `itertools::Itertools::group_by`: Use .chunk_by() instead [INFO] [stdout] --> src/split_var_value.rs:39:10 [INFO] [stdout] | [INFO] [stdout] 39 | .group_by(|item| item.char.is_whitespace() && (item.inexpr == 0)); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `itertools::Itertools::group_by`: Use .chunk_by() instead [INFO] [stdout] --> src/split_var_value.rs:39:10 [INFO] [stdout] | [INFO] [stdout] 39 | .group_by(|item| item.char.is_whitespace() && (item.inexpr == 0)); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/evaluate.rs:48:13 [INFO] [stdout] | [INFO] [stdout] 48 | _ => unimplemented!("{:?}", self), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/evaluate.rs:48:13 [INFO] [stdout] | [INFO] [stdout] 43 | RootItem::Comment(_c) => Ok(()), [INFO] [stdout] | --------------------- matches some of the same values [INFO] [stdout] 44 | RootItem::Assignment(e) => e.evaluate(d), [INFO] [stdout] | ----------------------- matches some of the same values [INFO] [stdout] 45 | RootItem::Directive(directive) => directive.evaluate(d), [INFO] [stdout] | ------------------------------ matches some of the same values [INFO] [stdout] 46 | RootItem::PythonDef(p) => p.evaluate(d), [INFO] [stdout] | ---------------------- matches some of the same values [INFO] [stdout] 47 | RootItem::Task(t) => t.evaluate(d), [INFO] [stdout] 48 | _ => unimplemented!("{:?}", self), [INFO] [stdout] | ^ ...and 1 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `BBTASKS` is never used [INFO] [stdout] --> src/build.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 3 | const BBTASKS: &str = "__BBTASKS"; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `basedata` is never read [INFO] [stdout] --> src/cooker_data.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 56 | pub struct CookerDataBuilder { [INFO] [stdout] | ----------------- field in this struct [INFO] [stdout] 57 | basedata: DataSmart, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `execs` is never read [INFO] [stdout] --> src/data_smart/variable_parse.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct VariableParse { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 16 | execs: HashSet, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `VariableParse` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `fixup_oe_import` is never used [INFO] [stdout] --> src/python/fixups/methods.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn fixup_oe_import(code: &mut String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/data_smart/mod.rs:815:32 [INFO] [stdout] | [INFO] [stdout] 815 | fn find_var>(&self, var: T) -> Option> { [INFO] [stdout] | ^^^^^ ------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 815 | fn find_var>(&self, var: T) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/data_smart/mod.rs:819:36 [INFO] [stdout] | [INFO] [stdout] 819 | fn find_var_mut>(&self, var: T) -> Option> { [INFO] [stdout] | ^^^^^ ---------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 819 | fn find_var_mut>(&self, var: T) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/data_smart/mod.rs:823:42 [INFO] [stdout] | [INFO] [stdout] 823 | fn find_or_create_var>(&self, var: T) -> RefMut { [INFO] [stdout] | ^^^^^ ---------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 823 | fn find_or_create_var>(&self, var: T) -> RefMut<'_, DataSmartFlags> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/data_smart/utils.rs:30:19 [INFO] [stdout] | [INFO] [stdout] 30 | fn rsplit_all(&self, c: char) -> RSplit { [INFO] [stdout] | ^^^^^ ------ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 30 | fn rsplit_all(&self, c: char) -> RSplit<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/evaluate.rs:48:13 [INFO] [stdout] | [INFO] [stdout] 48 | _ => unimplemented!("{:?}", self), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/evaluate.rs:48:13 [INFO] [stdout] | [INFO] [stdout] 43 | RootItem::Comment(_c) => Ok(()), [INFO] [stdout] | --------------------- matches some of the same values [INFO] [stdout] 44 | RootItem::Assignment(e) => e.evaluate(d), [INFO] [stdout] | ----------------------- matches some of the same values [INFO] [stdout] 45 | RootItem::Directive(directive) => directive.evaluate(d), [INFO] [stdout] | ------------------------------ matches some of the same values [INFO] [stdout] 46 | RootItem::PythonDef(p) => p.evaluate(d), [INFO] [stdout] | ---------------------- matches some of the same values [INFO] [stdout] 47 | RootItem::Task(t) => t.evaluate(d), [INFO] [stdout] 48 | _ => unimplemented!("{:?}", self), [INFO] [stdout] | ^ ...and 1 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `BBTASKS` is never used [INFO] [stdout] --> src/build.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 3 | const BBTASKS: &str = "__BBTASKS"; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `basedata` is never read [INFO] [stdout] --> src/cooker_data.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 56 | pub struct CookerDataBuilder { [INFO] [stdout] | ----------------- field in this struct [INFO] [stdout] 57 | basedata: DataSmart, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `execs` is never read [INFO] [stdout] --> src/data_smart/variable_parse.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct VariableParse { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 16 | execs: HashSet, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `VariableParse` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `fixup_oe_import` is never used [INFO] [stdout] --> src/python/fixups/methods.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn fixup_oe_import(code: &mut String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/data_smart/mod.rs:815:32 [INFO] [stdout] | [INFO] [stdout] 815 | fn find_var>(&self, var: T) -> Option> { [INFO] [stdout] | ^^^^^ ------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 815 | fn find_var>(&self, var: T) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/data_smart/mod.rs:819:36 [INFO] [stdout] | [INFO] [stdout] 819 | fn find_var_mut>(&self, var: T) -> Option> { [INFO] [stdout] | ^^^^^ ---------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 819 | fn find_var_mut>(&self, var: T) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/data_smart/mod.rs:823:42 [INFO] [stdout] | [INFO] [stdout] 823 | fn find_or_create_var>(&self, var: T) -> RefMut { [INFO] [stdout] | ^^^^^ ---------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 823 | fn find_or_create_var>(&self, var: T) -> RefMut<'_, DataSmartFlags> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/data_smart/utils.rs:30:19 [INFO] [stdout] | [INFO] [stdout] 30 | fn rsplit_all(&self, c: char) -> RSplit { [INFO] [stdout] | ^^^^^ ------ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 30 | fn rsplit_all(&self, c: char) -> RSplit<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> examples/parse.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | File::open(opts.file).unwrap().read_to_string(&mut data); [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] 19 | let _ = File::open(opts.file).unwrap().read_to_string(&mut data); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 45.44s [INFO] running `Command { std: "docker" "inspect" "ac7997fc509c6bd6f42b3b73c42d3a21bc370eb70fac50d15b13b5c8e9144ff1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac7997fc509c6bd6f42b3b73c42d3a21bc370eb70fac50d15b13b5c8e9144ff1", kill_on_drop: false }` [INFO] [stdout] ac7997fc509c6bd6f42b3b73c42d3a21bc370eb70fac50d15b13b5c8e9144ff1