[INFO] fetching crate must 0.2.0... [INFO] checking must-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate must 0.2.0 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate must 0.2.0 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 must 0.2.0 [INFO] finished tweaking crates.io crate must 0.2.0 [INFO] tweaked toml for crates.io crate must 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 19 packages [INFO] [stderr] Adding aho-corasick v0.5.3 (latest: v1.1.3) [INFO] [stderr] Adding env_logger v0.3.5 (latest: v0.11.3) [INFO] [stderr] Adding log v0.3.9 (latest: v0.4.21) [INFO] [stderr] Adding memchr v0.1.11 (latest: v2.7.2) [INFO] [stderr] Adding num-traits v0.1.43 (latest: v0.2.18) [INFO] [stderr] Adding regex v0.1.80 (latest: v1.10.4) [INFO] [stderr] Adding regex-syntax v0.3.9 (latest: v0.8.3) [INFO] [stderr] Adding thread-id v2.0.0 (latest: v4.2.1) [INFO] [stderr] Adding thread_local v0.2.7 (latest: v1.1.8) [INFO] [stderr] Adding utf8-ranges v0.1.3 (latest: v1.0.5) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [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] Downloading crates ... [INFO] [stderr] Downloaded mutator v0.1.0 [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] b292a21593c1cc4367c06fb1b38ad88ae29365fd5a6f631ebec734e58974d1be [INFO] running `Command { std: "docker" "start" "-a" "b292a21593c1cc4367c06fb1b38ad88ae29365fd5a6f631ebec734e58974d1be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b292a21593c1cc4367c06fb1b38ad88ae29365fd5a6f631ebec734e58974d1be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b292a21593c1cc4367c06fb1b38ad88ae29365fd5a6f631ebec734e58974d1be", kill_on_drop: false }` [INFO] [stdout] b292a21593c1cc4367c06fb1b38ad88ae29365fd5a6f631ebec734e58974d1be [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] e3ac45b61be16f58329e9e9e69a413a03c55d0ca60943fa958eff16340c22845 [INFO] running `Command { std: "docker" "start" "-a" "e3ac45b61be16f58329e9e9e69a413a03c55d0ca60943fa958eff16340c22845", kill_on_drop: false }` [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Checking mutator v0.1.0 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking must v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/errors.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std; [INFO] [stdout] | ^^^ the item `std` is already imported by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead [INFO] [stdout] --> src/matchers/text.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | use std::ascii::AsciiExt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead [INFO] [stdout] --> src/matchers/text.rs:58:40 [INFO] [stdout] | [INFO] [stdout] 58 | pub trait MustBeAscii: Sized + Debug + AsciiExt { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead [INFO] [stdout] --> src/matchers/text.rs:76:44 [INFO] [stdout] | [INFO] [stdout] 76 | impl MustBeAscii for V where V: Debug + AsciiExt {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/errors.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 42 | Error(Box), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 42 | Error(Box), [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/errors.rs:77:43 [INFO] [stdout] | [INFO] [stdout] 77 | &Error(ref err) => write!(f, "{}", err.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::ascii::AsciiExt::is_ascii`: use inherent methods instead [INFO] [stdout] --> src/matchers/text.rs:60:11 [INFO] [stdout] | [INFO] [stdout] 60 | if self.is_ascii() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::ascii::AsciiExt::eq_ignore_ascii_case`: use inherent methods instead [INFO] [stdout] --> src/matchers/text.rs:68:11 [INFO] [stdout] | [INFO] [stdout] 68 | if self.eq_ignore_ascii_case(other) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Checking env_logger v0.3.5 [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/errors.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std; [INFO] [stdout] | ^^^ the item `std` is already imported by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead [INFO] [stdout] --> src/matchers/text.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | use std::ascii::AsciiExt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead [INFO] [stdout] --> src/matchers/text.rs:58:40 [INFO] [stdout] | [INFO] [stdout] 58 | pub trait MustBeAscii: Sized + Debug + AsciiExt { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead [INFO] [stdout] --> src/matchers/text.rs:76:44 [INFO] [stdout] | [INFO] [stdout] 76 | impl MustBeAscii for V where V: Debug + AsciiExt {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/errors.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 42 | Error(Box), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 42 | Error(Box), [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/errors.rs:77:43 [INFO] [stdout] | [INFO] [stdout] 77 | &Error(ref err) => write!(f, "{}", err.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::ascii::AsciiExt::is_ascii`: use inherent methods instead [INFO] [stdout] --> src/matchers/text.rs:60:11 [INFO] [stdout] | [INFO] [stdout] 60 | if self.is_ascii() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::ascii::AsciiExt::eq_ignore_ascii_case`: use inherent methods instead [INFO] [stdout] --> src/matchers/text.rs:68:11 [INFO] [stdout] | [INFO] [stdout] 68 | if self.eq_ignore_ascii_case(other) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.84s [INFO] running `Command { std: "docker" "inspect" "e3ac45b61be16f58329e9e9e69a413a03c55d0ca60943fa958eff16340c22845", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3ac45b61be16f58329e9e9e69a413a03c55d0ca60943fa958eff16340c22845", kill_on_drop: false }` [INFO] [stdout] e3ac45b61be16f58329e9e9e69a413a03c55d0ca60943fa958eff16340c22845