[INFO] fetching crate dhall 0.12.0... [INFO] checking dhall-0.12.0 against try#377afada703be70d3fdff9164a481570a3cba7fe for pr-113240 [INFO] extracting crate dhall 0.12.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate dhall 0.12.0 on toolchain 377afada703be70d3fdff9164a481570a3cba7fe [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate dhall 0.12.0 [INFO] removed 1 missing tests [INFO] finished tweaking crates.io crate dhall 0.12.0 [INFO] tweaked toml for crates.io crate dhall 0.12.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 33b1013726708ccd3350ca489e091d0c48164a181e9eedca4dd529e2aec0c16f [INFO] running `Command { std: "docker" "start" "-a" "33b1013726708ccd3350ca489e091d0c48164a181e9eedca4dd529e2aec0c16f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "33b1013726708ccd3350ca489e091d0c48164a181e9eedca4dd529e2aec0c16f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33b1013726708ccd3350ca489e091d0c48164a181e9eedca4dd529e2aec0c16f", kill_on_drop: false }` [INFO] [stdout] 33b1013726708ccd3350ca489e091d0c48164a181e9eedca4dd529e2aec0c16f [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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5cac701c7d8c6f5e02150fdee98dffd17f2b261c9d0f0c9febae4c797df51ee6 [INFO] running `Command { std: "docker" "start" "-a" "5cac701c7d8c6f5e02150fdee98dffd17f2b261c9d0f0c9febae4c797df51ee6", 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] [stderr] Compiling proc-macro2 v1.0.63 [INFO] [stderr] Compiling quote v1.0.29 [INFO] [stderr] Compiling unicode-ident v1.0.9 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Compiling thiserror v1.0.40 [INFO] [stderr] Checking pin-project-lite v0.2.10 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling pkg-config v0.3.27 [INFO] [stderr] Compiling cc v1.0.79 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Checking bytes v1.4.0 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling tokio v1.29.1 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Compiling typenum v1.16.0 [INFO] [stderr] Compiling ucd-trie v0.1.5 [INFO] [stderr] Checking itoa v1.0.6 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking tracing-core v0.1.31 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Compiling serde v1.0.164 [INFO] [stderr] Checking tinyvec_macros v0.1.1 [INFO] [stderr] Compiling minimal-lexical v0.2.1 [INFO] [stderr] Compiling openssl v0.10.55 [INFO] [stderr] Checking tinyvec v1.6.0 [INFO] [stderr] Checking http v0.2.9 [INFO] [stderr] Checking tracing v0.1.37 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Compiling nom v7.1.3 [INFO] [stderr] Checking percent-encoding v2.3.0 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Compiling httparse v1.8.0 [INFO] [stderr] Checking futures-sink v0.3.28 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Checking form_urlencoded v1.2.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking try-lock v0.2.4 [INFO] [stderr] Compiling arrayvec v0.5.2 [INFO] [stderr] Compiling typed-arena v2.0.2 [INFO] [stderr] Compiling either v1.8.1 [INFO] [stderr] Compiling unicode-segmentation v1.10.1 [INFO] [stderr] Compiling log v0.4.19 [INFO] [stderr] Checking unicode-bidi v0.3.13 [INFO] [stderr] Compiling syn v2.0.22 [INFO] [stderr] Checking unicode-normalization v0.1.22 [INFO] [stderr] Checking http-body v0.4.5 [INFO] [stderr] Compiling pretty v0.11.3 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Checking want v0.3.1 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Checking tower-service v0.3.2 [INFO] [stderr] Checking httpdate v1.0.2 [INFO] [stderr] Compiling minicbor v0.18.0 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Compiling openssl-sys v0.9.90 [INFO] [stderr] Compiling semver v1.0.17 [INFO] [stderr] Checking os_str_bytes v6.5.1 [INFO] [stderr] Compiling pulldown-cmark v0.8.0 [INFO] [stderr] Checking ryu v1.0.13 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking encoding_rs v0.8.32 [INFO] [stderr] Checking cpufeatures v0.2.8 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Compiling anyhow v1.0.71 [INFO] [stderr] Checking ipnet v2.8.0 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking idna v0.4.0 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking textwrap v0.16.0 [INFO] [stderr] Checking unicode-width v0.1.10 [INFO] [stderr] Checking mime v0.3.17 [INFO] [stderr] Checking regex-syntax v0.7.2 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking socket2 v0.4.9 [INFO] [stderr] Checking mio v0.8.8 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling abnf-core v0.5.0 [INFO] [stderr] Checking base64 v0.21.2 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Compiling abnf v0.12.0 [INFO] [stderr] Checking termcolor v1.2.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking annotate-snippets v0.9.1 [INFO] [stderr] Checking sha2 v0.10.7 [INFO] [stderr] Checking elsa v1.8.1 [INFO] [stderr] Checking url v2.4.0 [INFO] [stderr] Checking half v2.3.1 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Compiling abnf_to_pest v0.5.1 [INFO] [stderr] Checking home v0.5.5 [INFO] [stderr] Checking dissimilar v1.0.6 [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking colored-diff v0.2.3 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking walkdir v2.3.3 [INFO] [stderr] Checking fs_extra v1.3.0 [INFO] [stderr] Compiling pest_consume_macros v1.1.0 [INFO] [stderr] Compiling clap_derive v3.2.25 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking toml v0.5.11 [INFO] [stderr] Compiling thiserror-impl v1.0.40 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Checking regex v1.8.4 [INFO] [stderr] Checking version-sync v0.9.4 [INFO] [stderr] Compiling pest v2.7.0 [INFO] [stderr] Checking clap v3.2.25 [INFO] [stderr] Compiling pest_meta v2.7.0 [INFO] [stderr] Checking tokio-util v0.7.8 [INFO] [stderr] Checking h2 v0.3.20 [INFO] [stderr] Compiling pest_generator v2.7.0 [INFO] [stderr] Checking libtest-mimic v0.5.2 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Compiling dhall v0.12.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling pest_derive v2.7.0 [INFO] [stderr] Checking pest_consume v1.1.3 [INFO] [stderr] Checking hyper v0.14.27 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.18 [INFO] [stdout] warning: ambiguous glob re-exports [INFO] [stdout] --> src/semantics/mod.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | pub use self::nze::*; [INFO] [stdout] | ^^^^^^^^^^^^ the name `env` in the type namespace is first re-exported here [INFO] [stdout] 6 | pub use self::resolve::*; [INFO] [stdout] 7 | pub use self::tck::*; [INFO] [stdout] | ------------ but the name `env` in the type namespace is also re-exported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ambiguous_glob_reexports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous glob re-exports [INFO] [stdout] --> src/semantics/mod.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | pub use self::nze::*; [INFO] [stdout] | ^^^^^^^^^^^^ the name `env` in the type namespace is first re-exported here [INFO] [stdout] 6 | pub use self::resolve::*; [INFO] [stdout] 7 | pub use self::tck::*; [INFO] [stdout] | ------------ but the name `env` in the type namespace is also re-exported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ambiguous_glob_reexports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated module `pest::prec_climber`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators). [INFO] [stdout] While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release. [INFO] [stdout] --> src/syntax/text/parser.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 2 | use pest::prec_climber as pcl; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::PrecClimber`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators). [INFO] [stdout] While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release. [INFO] [stdout] --> src/syntax/text/parser.rs:3:25 [INFO] [stdout] | [INFO] [stdout] 3 | use pest::prec_climber::PrecClimber; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::PrecClimber`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators). [INFO] [stdout] While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release. [INFO] [stdout] --> src/syntax/text/parser.rs:113:29 [INFO] [stdout] | [INFO] [stdout] 113 | static ref PRECCLIMBER: PrecClimber = { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::PrecClimber`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators). [INFO] [stdout] While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release. [INFO] [stdout] --> src/syntax/text/parser.rs:131:9 [INFO] [stdout] | [INFO] [stdout] 131 | PrecClimber::new( [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::Operator`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators). [INFO] [stdout] While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release. [INFO] [stdout] --> src/syntax/text/parser.rs:134:32 [INFO] [stdout] | [INFO] [stdout] 134 | .map(|op| pcl::Operator::new(op, pcl::Assoc::Left)) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated unit variant `pest::prec_climber::Assoc::Left`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators). [INFO] [stdout] While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release. [INFO] [stdout] --> src/syntax/text/parser.rs:134:62 [INFO] [stdout] | [INFO] [stdout] 134 | .map(|op| pcl::Operator::new(op, pcl::Assoc::Left)) [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated module `pest::prec_climber`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators). [INFO] [stdout] While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release. [INFO] [stdout] --> src/syntax/text/parser.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 2 | use pest::prec_climber as pcl; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::PrecClimber`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators). [INFO] [stdout] While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release. [INFO] [stdout] --> src/syntax/text/parser.rs:3:25 [INFO] [stdout] | [INFO] [stdout] 3 | use pest::prec_climber::PrecClimber; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::PrecClimber`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators). [INFO] [stdout] While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release. [INFO] [stdout] --> src/syntax/text/parser.rs:113:29 [INFO] [stdout] | [INFO] [stdout] 113 | static ref PRECCLIMBER: PrecClimber = { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::PrecClimber`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators). [INFO] [stdout] While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release. [INFO] [stdout] --> src/syntax/text/parser.rs:131:9 [INFO] [stdout] | [INFO] [stdout] 131 | PrecClimber::new( [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::Operator`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators). [INFO] [stdout] While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release. [INFO] [stdout] --> src/syntax/text/parser.rs:134:32 [INFO] [stdout] | [INFO] [stdout] 134 | .map(|op| pcl::Operator::new(op, pcl::Assoc::Left)) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated unit variant `pest::prec_climber::Assoc::Left`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators). [INFO] [stdout] While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release. [INFO] [stdout] --> src/syntax/text/parser.rs:134:62 [INFO] [stdout] | [INFO] [stdout] 134 | .map(|op| pcl::Operator::new(op, pcl::Assoc::Left)) [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `pest::prec_climber::PrecClimber::::new`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators). [INFO] [stdout] While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release. [INFO] [stdout] --> src/syntax/text/parser.rs:131:22 [INFO] [stdout] | [INFO] [stdout] 131 | PrecClimber::new( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `pest::prec_climber::Operator::::new`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators). [INFO] [stdout] While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release. [INFO] [stdout] --> src/syntax/text/parser.rs:134:42 [INFO] [stdout] | [INFO] [stdout] 134 | .map(|op| pcl::Operator::new(op, pcl::Assoc::Left)) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `pest::prec_climber::PrecClimber::::new`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators). [INFO] [stdout] While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release. [INFO] [stdout] --> src/syntax/text/parser.rs:131:22 [INFO] [stdout] | [INFO] [stdout] 131 | PrecClimber::new( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `pest::prec_climber::Operator::::new`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators). [INFO] [stdout] While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release. [INFO] [stdout] --> src/syntax/text/parser.rs:134:42 [INFO] [stdout] | [INFO] [stdout] 134 | .map(|op| pcl::Operator::new(op, pcl::Assoc::Left)) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/error/builder.rs:125:9 [INFO] [stdout] | [INFO] [stdout] 125 | drop(self); // Get rid of the self reference so we don't use it by mistake. [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut builder::ErrorBuilder` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/error/builder.rs:125:9 [INFO] [stdout] | [INFO] [stdout] 125 | drop(self); // Get rid of the self reference so we don't use it by mistake. [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut builder::ErrorBuilder` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 50.82s [INFO] running `Command { std: "docker" "inspect" "5cac701c7d8c6f5e02150fdee98dffd17f2b261c9d0f0c9febae4c797df51ee6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5cac701c7d8c6f5e02150fdee98dffd17f2b261c9d0f0c9febae4c797df51ee6", kill_on_drop: false }` [INFO] [stdout] 5cac701c7d8c6f5e02150fdee98dffd17f2b261c9d0f0c9febae4c797df51ee6