[INFO] fetching crate unity-yaml-rust 0.1.1... [INFO] checking unity-yaml-rust-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate unity-yaml-rust 0.1.1 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate unity-yaml-rust 0.1.1 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 crates.io crate unity-yaml-rust 0.1.1 [INFO] finished tweaking crates.io crate unity-yaml-rust 0.1.1 [INFO] tweaked toml for crates.io crate unity-yaml-rust 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate unity-yaml-rust 0.1.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] df26b7c6fc6ec99bf441df94b6023f3f80869c72a5d72a812e588038da67e5e8 [INFO] running `Command { std: "docker" "start" "-a" "df26b7c6fc6ec99bf441df94b6023f3f80869c72a5d72a812e588038da67e5e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "df26b7c6fc6ec99bf441df94b6023f3f80869c72a5d72a812e588038da67e5e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df26b7c6fc6ec99bf441df94b6023f3f80869c72a5d72a812e588038da67e5e8", kill_on_drop: false }` [INFO] [stdout] df26b7c6fc6ec99bf441df94b6023f3f80869c72a5d72a812e588038da67e5e8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b0fb48a31f8c22520ed92176bcefa4353874e28e8475477a00ad3369f64245d0 [INFO] running `Command { std: "docker" "start" "-a" "b0fb48a31f8c22520ed92176bcefa4353874e28e8475477a00ad3369f64245d0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking regex-syntax v0.6.26 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking unity-yaml-rust v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/emitter.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/yaml.rs:459:77 [INFO] [stdout] | [INFO] [stdout] 459 | self.as_mut_hash().and_then(|h| h.get_mut(&key)).unwrap_or(unsafe { &mut MUT_BAD_VALUE }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 459 | self.as_mut_hash().and_then(|h| h.get_mut(&key)).unwrap_or(unsafe { addr_of_mut!(MUT_BAD_VALUE) }) [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/yaml.rs:485:21 [INFO] [stdout] | [INFO] [stdout] 485 | &mut MUT_BAD_VALUE [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior [INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 485 | addr_of_mut!(MUT_BAD_VALUE) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/yaml.rs:493:21 [INFO] [stdout] | [INFO] [stdout] 493 | &mut MUT_BAD_VALUE [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior [INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 493 | addr_of_mut!(MUT_BAD_VALUE) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `marks` is never read [INFO] [stdout] --> src/parser.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 68 | pub struct Parser { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 72 | marks: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Parser` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking regex v1.5.6 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Checking quickcheck v1.0.3 [INFO] [stdout] warning: unused variable: `doc` [INFO] [stdout] --> tests/test_unity_yaml.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | let doc = YamlLoader::load_from_str(unity_yaml).unwrap(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_doc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/emitter.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `f64` is imported redundantly [INFO] [stdout] --> src/yaml.rs:539:9 [INFO] [stdout] | [INFO] [stdout] 539 | use std::f64; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 540 | use crate::yaml::*; [INFO] [stdout] | -------------- the item `f64` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/yaml.rs:459:77 [INFO] [stdout] | [INFO] [stdout] 459 | self.as_mut_hash().and_then(|h| h.get_mut(&key)).unwrap_or(unsafe { &mut MUT_BAD_VALUE }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 459 | self.as_mut_hash().and_then(|h| h.get_mut(&key)).unwrap_or(unsafe { addr_of_mut!(MUT_BAD_VALUE) }) [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/yaml.rs:485:21 [INFO] [stdout] | [INFO] [stdout] 485 | &mut MUT_BAD_VALUE [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior [INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 485 | addr_of_mut!(MUT_BAD_VALUE) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/yaml.rs:493:21 [INFO] [stdout] | [INFO] [stdout] 493 | &mut MUT_BAD_VALUE [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior [INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 493 | addr_of_mut!(MUT_BAD_VALUE) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `marks` is never read [INFO] [stdout] --> src/parser.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 68 | pub struct Parser { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 72 | marks: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Parser` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.53s [INFO] running `Command { std: "docker" "inspect" "b0fb48a31f8c22520ed92176bcefa4353874e28e8475477a00ad3369f64245d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0fb48a31f8c22520ed92176bcefa4353874e28e8475477a00ad3369f64245d0", kill_on_drop: false }` [INFO] [stdout] b0fb48a31f8c22520ed92176bcefa4353874e28e8475477a00ad3369f64245d0