[INFO] fetching crate im-rope 0.1.0... [INFO] checking im-rope-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate im-rope 0.1.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate im-rope 0.1.0 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 im-rope 0.1.0 [INFO] finished tweaking crates.io crate im-rope 0.1.0 [INFO] tweaked toml for crates.io crate im-rope 0.1.0 written to /workspace/builds/worker-2-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] Locking 62 packages [INFO] [stderr] Adding bitmaps v2.1.0 (latest: v3.2.1) [INFO] [stderr] Adding heck v0.4.1 (latest: v0.5.0) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding proc-macro2 v0.4.30 (latest: v1.0.79) [INFO] [stderr] Adding proptest-derive v0.2.0 (latest: v0.4.0) [INFO] [stderr] Adding quick-error v1.2.3 (latest: v2.0.1) [INFO] [stderr] Adding quote v0.6.13 (latest: v1.0.35) [INFO] [stderr] Adding sized-chunks v0.6.5 (latest: v0.7.0) [INFO] [stderr] Adding syn v0.15.44 (latest: v2.0.58) [INFO] [stderr] Adding unicode-xid v0.1.0 (latest: v0.2.4) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [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 proptest-derive v0.2.0 [INFO] [stderr] Downloaded sealed v0.5.0 [INFO] [stderr] Downloaded static-cow v0.2.0 [INFO] [stderr] Downloaded im v15.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1639b21749f615864cddc19e55dbb54e1205c6ff35d336d4cf86f11828d27f08 [INFO] running `Command { std: "docker" "start" "-a" "1639b21749f615864cddc19e55dbb54e1205c6ff35d336d4cf86f11828d27f08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1639b21749f615864cddc19e55dbb54e1205c6ff35d336d4cf86f11828d27f08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1639b21749f615864cddc19e55dbb54e1205c6ff35d336d4cf86f11828d27f08", kill_on_drop: false }` [INFO] [stdout] 1639b21749f615864cddc19e55dbb54e1205c6ff35d336d4cf86f11828d27f08 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 75d9811aa7af10417b7b013d2b936c6381b3c63068b66e4fc8e5e9eaddd0e9b7 [INFO] running `Command { std: "docker" "start" "-a" "75d9811aa7af10417b7b013d2b936c6381b3c63068b66e4fc8e5e9eaddd0e9b7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Checking bitflags v2.5.0 [INFO] [stderr] Compiling libm v0.2.8 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Checking fastrand v2.0.2 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Checking unarray v0.1.4 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling serde_json v1.0.115 [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Checking ryu v1.0.17 [INFO] [stderr] Checking static-cow v0.2.0 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling im v15.1.0 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking rand_xoshiro v0.6.0 [INFO] [stderr] Checking bitmaps v2.1.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking sized-chunks v0.6.5 [INFO] [stderr] Checking tempfile v3.10.1 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking proptest v1.4.0 [INFO] [stderr] Compiling sealed v0.5.0 [INFO] [stderr] Compiling proptest-derive v0.2.0 [INFO] [stderr] Checking im-rope v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `DoubleEndedIterator` is imported redundantly [INFO] [stdout] --> src/pattern.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | use std::iter::{DoubleEndedIterator, FusedIterator, Iterator}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `DoubleEndedIterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/pattern.rs:17:53 [INFO] [stdout] | [INFO] [stdout] 17 | use std::iter::{DoubleEndedIterator, FusedIterator, Iterator}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `DoubleEndedIterator` is imported redundantly [INFO] [stdout] --> src/lib.rs:32:17 [INFO] [stdout] | [INFO] [stdout] 32 | use std::iter::{DoubleEndedIterator, FusedIterator, Iterator}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `DoubleEndedIterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/lib.rs:32:53 [INFO] [stdout] | [INFO] [stdout] 32 | use std::iter::{DoubleEndedIterator, FusedIterator, Iterator}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/lib.rs:32:53 [INFO] [stdout] | [INFO] [stdout] 32 | use std::iter::{DoubleEndedIterator, FusedIterator, Iterator}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CharStrategy` is never constructed [INFO] [stdout] --> src/pattern.rs:2088:23 [INFO] [stdout] | [INFO] [stdout] 2088 | pub(crate) struct CharStrategy; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CharsetStrategy` is never constructed [INFO] [stdout] --> src/pattern.rs:2108:23 [INFO] [stdout] | [INFO] [stdout] 2108 | pub(crate) struct CharsetStrategy; [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 14.88s [INFO] running `Command { std: "docker" "inspect" "75d9811aa7af10417b7b013d2b936c6381b3c63068b66e4fc8e5e9eaddd0e9b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75d9811aa7af10417b7b013d2b936c6381b3c63068b66e4fc8e5e9eaddd0e9b7", kill_on_drop: false }` [INFO] [stdout] 75d9811aa7af10417b7b013d2b936c6381b3c63068b66e4fc8e5e9eaddd0e9b7