[INFO] fetching crate polar-core 0.27.0... [INFO] checking polar-core-0.27.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate polar-core 0.27.0 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate polar-core 0.27.0 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 polar-core 0.27.0 [INFO] finished tweaking crates.io crate polar-core 0.27.0 [INFO] tweaked toml for crates.io crate polar-core 0.27.0 written to /workspace/builds/worker-1-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 128 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding criterion v0.3.6 (latest: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.4.5 (latest: v0.5.0) [INFO] [stderr] Adding fixedbitset v0.4.2 (latest: v0.5.6) [INFO] [stderr] Adding half v1.8.3 (latest: v2.4.0) [INFO] [stderr] Adding heck v0.4.1 (latest: v0.5.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding indoc v1.0.9 (latest: v2.0.5) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.12.1) [INFO] [stderr] Adding lalrpop v0.19.12 (latest: v0.20.2) [INFO] [stderr] Adding lalrpop-util v0.19.12 (latest: v0.20.2) [INFO] [stderr] Adding phf_shared v0.10.0 (latest: v0.11.2) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding regex-syntax v0.6.29 (latest: v0.8.3) [INFO] [stderr] Adding siphasher v0.3.11 (latest: v1.0.1) [INFO] [stderr] Adding strum_macros v0.24.3 (latest: v0.26.2) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding yansi v0.5.1 (latest: v1.0.1) [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 lalrpop-util v0.19.12 [INFO] [stderr] Downloaded indoc v1.0.9 [INFO] [stderr] Downloaded pipe v0.4.0 [INFO] [stderr] Downloaded permutohedron v0.2.4 [INFO] [stderr] Downloaded lalrpop v0.19.12 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6c56562ae5fb579a2e5bb4320b47594fab5f34021a60618b533131279266bffe [INFO] running `Command { std: "docker" "start" "-a" "6c56562ae5fb579a2e5bb4320b47594fab5f34021a60618b533131279266bffe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6c56562ae5fb579a2e5bb4320b47594fab5f34021a60618b533131279266bffe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c56562ae5fb579a2e5bb4320b47594fab5f34021a60618b533131279266bffe", kill_on_drop: false }` [INFO] [stdout] 6c56562ae5fb579a2e5bb4320b47594fab5f34021a60618b533131279266bffe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6da86448edbbf5f0d1a40fa01d1d3a3d6c8dcd024af68e3fabead63f732012c0 [INFO] running `Command { std: "docker" "start" "-a" "6da86448edbbf5f0d1a40fa01d1d3a3d6c8dcd024af68e3fabead63f732012c0", kill_on_drop: false }` [INFO] [stderr] Compiling smallvec v1.13.2 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling regex-syntax v0.8.3 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling new_debug_unreachable v1.0.6 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling fixedbitset v0.4.2 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling ena v0.14.2 [INFO] [stderr] Compiling is-terminal v0.4.12 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Compiling diff v0.1.13 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling lalrpop-util v0.19.12 [INFO] [stderr] Checking yansi v0.5.1 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling bit-set v0.5.3 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Compiling petgraph v0.6.4 [INFO] [stderr] Compiling indoc v1.0.9 [INFO] [stderr] Checking pretty_assertions v1.4.0 [INFO] [stderr] Checking pipe v0.4.0 [INFO] [stderr] Checking permutohedron v0.2.4 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling ascii-canvas v3.0.0 [INFO] [stderr] Compiling string_cache v0.8.7 [INFO] [stderr] Compiling regex-automata v0.4.6 [INFO] [stderr] Compiling strum_macros v0.24.3 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Compiling regex v1.10.4 [INFO] [stderr] Compiling lalrpop v0.19.12 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stderr] Compiling polar-core v0.27.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `ToString` is imported redundantly [INFO] [stdout] --> src/vm.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::string::ToString; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ToString` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Bindings` is imported redundantly [INFO] [stdout] --> src/vm.rs:13:44 [INFO] [stdout] | [INFO] [stdout] 13 | Binding, BindingManager, BindingStack, Bindings, Bsp, FollowerId, VariableState, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | use crate::kb::*; [INFO] [stdout] | ------------ the item `Bindings` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `HashSet` is imported redundantly [INFO] [stdout] --> src/resource_block.rs:632:9 [INFO] [stdout] | [INFO] [stdout] 632 | use std::collections::HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 636 | use super::*; [INFO] [stdout] | -------- the item `HashSet` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ValidationError` is imported redundantly [INFO] [stdout] --> src/resource_block.rs:639:23 [INFO] [stdout] | [INFO] [stdout] 636 | use super::*; [INFO] [stdout] | -------- the item `ValidationError` is already imported here [INFO] [stdout] ... [INFO] [stdout] 639 | RuntimeError, ValidationError, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `KnowledgeBase` is imported redundantly [INFO] [stdout] --> src/validations.rs:230:9 [INFO] [stdout] | [INFO] [stdout] 229 | use super::*; [INFO] [stdout] | -------- the item `KnowledgeBase` is already imported here [INFO] [stdout] 230 | use crate::kb::KnowledgeBase; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ToString` is imported redundantly [INFO] [stdout] --> src/vm.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::string::ToString; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ToString` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Bindings` is imported redundantly [INFO] [stdout] --> src/vm.rs:13:44 [INFO] [stdout] | [INFO] [stdout] 13 | Binding, BindingManager, BindingStack, Bindings, Bsp, FollowerId, VariableState, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | use crate::kb::*; [INFO] [stdout] | ------------ the item `Bindings` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 48.13s [INFO] running `Command { std: "docker" "inspect" "6da86448edbbf5f0d1a40fa01d1d3a3d6c8dcd024af68e3fabead63f732012c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6da86448edbbf5f0d1a40fa01d1d3a3d6c8dcd024af68e3fabead63f732012c0", kill_on_drop: false }` [INFO] [stdout] 6da86448edbbf5f0d1a40fa01d1d3a3d6c8dcd024af68e3fabead63f732012c0