[INFO] fetching crate lincheck 0.2.1... [INFO] checking lincheck-0.2.1 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] extracting crate lincheck 0.2.1 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate lincheck 0.2.1 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate lincheck 0.2.1 [INFO] finished tweaking crates.io crate lincheck 0.2.1 [INFO] tweaked toml for crates.io crate lincheck 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 86 packages to latest compatible versions [INFO] [stderr] Adding bit-set v0.5.3 (latest: v0.8.0) [INFO] [stderr] Adding bit-vec v0.6.3 (latest: v0.8.0) [INFO] [stderr] Adding generator v0.7.5 (latest: v0.8.2) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (latest: v0.6.5) [INFO] [stderr] Adding loom v0.6.1 (latest: v0.7.2) [INFO] [stderr] Adding matchers v0.1.0 (latest: v0.2.0) [INFO] [stderr] Adding nu-ansi-term v0.46.0 (latest: v0.50.1) [INFO] [stderr] Adding quick-error v1.2.3 (latest: v2.0.1) [INFO] [stderr] Adding regex-automata v0.1.10 (latest: v0.4.7) [INFO] [stderr] Adding regex-syntax v0.6.29 (latest: v0.8.4) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding windows v0.48.0 (latest: v0.58.0) [INFO] [stderr] Adding windows-sys v0.52.0 (latest: v0.59.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.6) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.6) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded loom v0.6.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0d81568d500a531cd3591124e01877d3eff2e5d1a4898c5e195315b599acbd6f [INFO] running `Command { std: "docker" "start" "-a" "0d81568d500a531cd3591124e01877d3eff2e5d1a4898c5e195315b599acbd6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0d81568d500a531cd3591124e01877d3eff2e5d1a4898c5e195315b599acbd6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d81568d500a531cd3591124e01877d3eff2e5d1a4898c5e195315b599acbd6f", kill_on_drop: false }` [INFO] [stdout] 0d81568d500a531cd3591124e01877d3eff2e5d1a4898c5e195315b599acbd6f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 34a05c071ef1663842db78f1f77fa02b2a14f9e8cbc4a70bc06d416947c1ee0f [INFO] running `Command { std: "docker" "start" "-a" "34a05c071ef1663842db78f1f77fa02b2a14f9e8cbc4a70bc06d416947c1ee0f", kill_on_drop: false }` [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling generator v0.7.5 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking scoped-tls v1.0.1 [INFO] [stderr] Checking unarray v0.1.4 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stderr] Checking proptest v1.5.0 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking tracing-subscriber v0.3.18 [INFO] [stderr] Checking loom v0.6.1 [INFO] [stderr] Checking lincheck v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `into_inner` is never used [INFO] [stdout] --> src/execution.rs:76:12 [INFO] [stdout] | [INFO] [stdout] 65 | impl History { [INFO] [stdout] | ------------------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 76 | pub fn into_inner(self) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `into_inner` is never used [INFO] [stdout] --> src/execution.rs:92:12 [INFO] [stdout] | [INFO] [stdout] 81 | impl ParallelHistory { [INFO] [stdout] | -------------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 92 | pub fn into_inner(self) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `into_inner` is never used [INFO] [stdout] --> src/execution.rs:76:12 [INFO] [stdout] | [INFO] [stdout] 65 | impl History { [INFO] [stdout] | ------------------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 76 | pub fn into_inner(self) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.91s [INFO] running `Command { std: "docker" "inspect" "34a05c071ef1663842db78f1f77fa02b2a14f9e8cbc4a70bc06d416947c1ee0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "34a05c071ef1663842db78f1f77fa02b2a14f9e8cbc4a70bc06d416947c1ee0f", kill_on_drop: false }` [INFO] [stdout] 34a05c071ef1663842db78f1f77fa02b2a14f9e8cbc4a70bc06d416947c1ee0f