[INFO] fetching crate polar-core 0.27.3...
[INFO] building polar-core-0.27.3 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate polar-core 0.27.3 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate polar-core 0.27.3
[INFO] finished tweaking crates.io crate polar-core 0.27.3
[INFO] tweaked toml for crates.io crate polar-core 0.27.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate polar-core 0.27.3 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 123 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.7.0)
[INFO] [stderr]       Adding indoc v1.0.9 (available: v2.0.6)
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[INFO] [stderr]       Adding lalrpop-util v0.19.12 (available: v0.22.2)
[INFO] [stderr]       Adding strum_macros v0.24.3 (available: v0.27.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01d009db57a32d16e0e3d9f19f96476b8f6e4d6d896dcc857c8426d12c46de41
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[INFO] running `Command { std: "docker" "inspect" "01d009db57a32d16e0e3d9f19f96476b8f6e4d6d896dcc857c8426d12c46de41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01d009db57a32d16e0e3d9f19f96476b8f6e4d6d896dcc857c8426d12c46de41", kill_on_drop: false }`
[INFO] [stdout] 01d009db57a32d16e0e3d9f19f96476b8f6e4d6d896dcc857c8426d12c46de41
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cf7bc8f48288f6bc41e430f5b0c9fa7d8b14b017af1e2ab1949d5c3dbd48e46
[INFO] running `Command { std: "docker" "start" "-a" "5cf7bc8f48288f6bc41e430f5b0c9fa7d8b14b017af1e2ab1949d5c3dbd48e46", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling scopeguard v1.2.0
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[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling bit-vec v0.6.3
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[INFO] [stderr]    Compiling regex-syntax v0.6.29
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[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling ena v0.14.3
[INFO] [stderr]    Compiling lalrpop-util v0.19.12
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[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling phf_shared v0.11.3
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[INFO] [stderr]    Compiling indoc v1.0.9
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[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling dirs-next v2.0.0
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[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling string_cache v0.8.9
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling lalrpop v0.19.12
[INFO] [stderr]    Compiling polar-core v0.27.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/query.rs:68:40
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn top_runnable(&mut self) -> &mut (dyn Runnable) {
[INFO] [stdout]    |                                        ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 68 -     fn top_runnable(&mut self) -> &mut (dyn Runnable) {
[INFO] [stdout] 68 +     fn top_runnable(&mut self) -> &mut dyn Runnable {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/bindings.rs:568:24
[INFO] [stdout]     |
[INFO] [stdout] 568 |     fn _variable_state(&self, variable: &Symbol) -> BindingManagerVariableState {
[INFO] [stdout]     |                        ^^^^^                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 568 |     fn _variable_state(&self, variable: &Symbol) -> BindingManagerVariableState<'_> {
[INFO] [stdout]     |                                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/bindings.rs:574:9
[INFO] [stdout]     |
[INFO] [stdout] 574 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 577 |     ) -> BindingManagerVariableState {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 577 |     ) -> BindingManagerVariableState<'_> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/vm.rs:428:11
[INFO] [stdout]     |
[INFO] [stdout] 428 |     fn kb(&self) -> RwLockReadGuard<KnowledgeBase> {
[INFO] [stdout]     |           ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |           |
[INFO] [stdout]     |           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 428 |     fn kb(&self) -> RwLockReadGuard<'_, KnowledgeBase> {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 42.10s
[INFO] running `Command { std: "docker" "inspect" "5cf7bc8f48288f6bc41e430f5b0c9fa7d8b14b017af1e2ab1949d5c3dbd48e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cf7bc8f48288f6bc41e430f5b0c9fa7d8b14b017af1e2ab1949d5c3dbd48e46", kill_on_drop: false }`
[INFO] [stdout] 5cf7bc8f48288f6bc41e430f5b0c9fa7d8b14b017af1e2ab1949d5c3dbd48e46
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2dfb617109b219e7bfce5fd21b9f918e5708d8199284a4da40ca17b3a3dcde87
[INFO] running `Command { std: "docker" "start" "-a" "2dfb617109b219e7bfce5fd21b9f918e5708d8199284a4da40ca17b3a3dcde87", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling permutohedron v0.2.4
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling string_cache v0.8.9
[INFO] [stderr]    Compiling pipe v0.4.0
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling lalrpop v0.19.12
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling polar-core v0.27.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/query.rs:68:40
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn top_runnable(&mut self) -> &mut (dyn Runnable) {
[INFO] [stdout]    |                                        ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 68 -     fn top_runnable(&mut self) -> &mut (dyn Runnable) {
[INFO] [stdout] 68 +     fn top_runnable(&mut self) -> &mut dyn Runnable {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/query.rs:68:40
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn top_runnable(&mut self) -> &mut (dyn Runnable) {
[INFO] [stdout]    |                                        ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 68 -     fn top_runnable(&mut self) -> &mut (dyn Runnable) {
[INFO] [stdout] 68 +     fn top_runnable(&mut self) -> &mut dyn Runnable {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/bindings.rs:568:24
[INFO] [stdout]     |
[INFO] [stdout] 568 |     fn _variable_state(&self, variable: &Symbol) -> BindingManagerVariableState {
[INFO] [stdout]     |                        ^^^^^                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 568 |     fn _variable_state(&self, variable: &Symbol) -> BindingManagerVariableState<'_> {
[INFO] [stdout]     |                                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/bindings.rs:574:9
[INFO] [stdout]     |
[INFO] [stdout] 574 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 577 |     ) -> BindingManagerVariableState {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 577 |     ) -> BindingManagerVariableState<'_> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/vm.rs:428:11
[INFO] [stdout]     |
[INFO] [stdout] 428 |     fn kb(&self) -> RwLockReadGuard<KnowledgeBase> {
[INFO] [stdout]     |           ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |           |
[INFO] [stdout]     |           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 428 |     fn kb(&self) -> RwLockReadGuard<'_, KnowledgeBase> {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/bindings.rs:568:24
[INFO] [stdout]     |
[INFO] [stdout] 568 |     fn _variable_state(&self, variable: &Symbol) -> BindingManagerVariableState {
[INFO] [stdout]     |                        ^^^^^                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 568 |     fn _variable_state(&self, variable: &Symbol) -> BindingManagerVariableState<'_> {
[INFO] [stdout]     |                                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/bindings.rs:574:9
[INFO] [stdout]     |
[INFO] [stdout] 574 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 577 |     ) -> BindingManagerVariableState {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 577 |     ) -> BindingManagerVariableState<'_> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/vm.rs:428:11
[INFO] [stdout]     |
[INFO] [stdout] 428 |     fn kb(&self) -> RwLockReadGuard<KnowledgeBase> {
[INFO] [stdout]     |           ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |           |
[INFO] [stdout]     |           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 428 |     fn kb(&self) -> RwLockReadGuard<'_, KnowledgeBase> {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 58.25s
[INFO] running `Command { std: "docker" "inspect" "2dfb617109b219e7bfce5fd21b9f918e5708d8199284a4da40ca17b3a3dcde87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dfb617109b219e7bfce5fd21b9f918e5708d8199284a4da40ca17b3a3dcde87", kill_on_drop: false }`
[INFO] [stdout] 2dfb617109b219e7bfce5fd21b9f918e5708d8199284a4da40ca17b3a3dcde87
