[INFO] fetching crate cas-compute 0.2.0... [INFO] checking cas-compute-0.2.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] extracting crate cas-compute 0.2.0 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate cas-compute 0.2.0 [INFO] finished tweaking crates.io crate cas-compute 0.2.0 [INFO] tweaked toml for crates.io crate cas-compute 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate cas-compute 0.2.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate cas-compute 0.2.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cas-parser v0.2.0 [INFO] [stderr] Downloaded cas-error v0.2.0 [INFO] [stderr] Downloaded ariadne v0.2.0 [INFO] [stderr] Downloaded assert_float_eq v1.1.3 [INFO] [stderr] Downloaded cas-attrs v0.2.0 [INFO] [stderr] Downloaded mysql-common-derive v0.30.2 [INFO] [stderr] Downloaded rug v1.24.1 [INFO] [stderr] Downloaded mysql_common v0.30.6 [INFO] [stderr] Downloaded gmp-mpfr-sys v1.6.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c5219b3042500510269c4978df326a56a01365387f464e08b54dc4c1dd99c7e9 [INFO] running `Command { std: "docker" "start" "-a" "c5219b3042500510269c4978df326a56a01365387f464e08b54dc4c1dd99c7e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c5219b3042500510269c4978df326a56a01365387f464e08b54dc4c1dd99c7e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5219b3042500510269c4978df326a56a01365387f464e08b54dc4c1dd99c7e9", kill_on_drop: false }` [INFO] [stdout] c5219b3042500510269c4978df326a56a01365387f464e08b54dc4c1dd99c7e9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e8c3604780e26f399c9af00c7cdd5016fe57c82ed3921f4fedea3f7cd202db08 [INFO] running `Command { std: "docker" "start" "-a" "e8c3604780e26f399c9af00c7cdd5016fe57c82ed3921f4fedea3f7cd202db08", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling gmp-mpfr-sys v1.6.2 [INFO] [stderr] Checking yansi v0.5.1 [INFO] [stderr] Compiling beef v0.5.2 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling regex-syntax v0.8.3 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Compiling libm v0.2.8 [INFO] [stderr] Compiling az v1.2.1 [INFO] [stderr] Compiling rug v1.24.1 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking levenshtein v1.0.5 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking diff v0.1.13 [INFO] [stderr] Checking assert_float_eq v1.1.3 [INFO] [stderr] Checking ariadne v0.2.0 [INFO] [stderr] Checking pretty_assertions v1.4.0 [INFO] [stderr] Checking cas-error v0.2.0 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking getrandom v0.2.14 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling logos-codegen v0.14.4 [INFO] [stderr] Compiling cas-attrs v0.2.0 [INFO] [stderr] Compiling logos-derive v0.14.4 [INFO] [stderr] Checking logos v0.14.4 [INFO] [stderr] Checking cas-parser v0.2.0 [INFO] [stderr] Checking cas-compute v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::symbolic::simplify` [INFO] [stdout] --> src/symbolic/expr/mod.rs:869:9 [INFO] [stdout] | [INFO] [stdout] 869 | use crate::symbolic::simplify; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `current_complexity` [INFO] [stdout] --> src/symbolic/simplify/mod.rs:77:17 [INFO] [stdout] | [INFO] [stdout] 77 | let mut current_complexity = complexity(&expr); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_complexity` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `changed_in_this_pass` is never read [INFO] [stdout] --> src/symbolic/simplify/mod.rs:83:13 [INFO] [stdout] | [INFO] [stdout] 83 | changed_in_this_pass = true; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `changed_in_this_pass` is assigned to, but never used [INFO] [stdout] --> src/symbolic/simplify/mod.rs:92:29 [INFO] [stdout] | [INFO] [stdout] 92 | let mut changed_in_this_pass = false; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_changed_in_this_pass` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/symbolic/simplify/mod.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | let mut current_complexity = complexity(&expr); [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `current_complexity` [INFO] [stdout] --> src/symbolic/simplify/mod.rs:77:17 [INFO] [stdout] | [INFO] [stdout] 77 | let mut current_complexity = complexity(&expr); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_complexity` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `changed_in_this_pass` is never read [INFO] [stdout] --> src/symbolic/simplify/mod.rs:83:13 [INFO] [stdout] | [INFO] [stdout] 83 | changed_in_this_pass = true; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `changed_in_this_pass` is assigned to, but never used [INFO] [stdout] --> src/symbolic/simplify/mod.rs:92:29 [INFO] [stdout] | [INFO] [stdout] 92 | let mut changed_in_this_pass = false; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_changed_in_this_pass` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/symbolic/simplify/mod.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | let mut current_complexity = complexity(&expr); [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/numerical/value.rs:246:16 [INFO] [stdout] | [INFO] [stdout] 246 | pub fn fmt(&self, options: FormatOptions) -> ValueFormatter { [INFO] [stdout] | ^^^^^ the lifetime is elided here -------------- 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] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 246 | pub fn fmt(&self, options: FormatOptions) -> ValueFormatter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/symbolic/expr/mod.rs:422:28 [INFO] [stdout] | [INFO] [stdout] 422 | pub fn post_order_iter(&self) -> ExprIter { [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] 422 | pub fn post_order_iter(&self) -> ExprIter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/numerical/value.rs:246:16 [INFO] [stdout] | [INFO] [stdout] 246 | pub fn fmt(&self, options: FormatOptions) -> ValueFormatter { [INFO] [stdout] | ^^^^^ the lifetime is elided here -------------- 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] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 246 | pub fn fmt(&self, options: FormatOptions) -> ValueFormatter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/symbolic/expr/mod.rs:422:28 [INFO] [stdout] | [INFO] [stdout] 422 | pub fn post_order_iter(&self) -> ExprIter { [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] 422 | pub fn post_order_iter(&self) -> ExprIter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5m 07s [INFO] running `Command { std: "docker" "inspect" "e8c3604780e26f399c9af00c7cdd5016fe57c82ed3921f4fedea3f7cd202db08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8c3604780e26f399c9af00c7cdd5016fe57c82ed3921f4fedea3f7cd202db08", kill_on_drop: false }` [INFO] [stdout] e8c3604780e26f399c9af00c7cdd5016fe57c82ed3921f4fedea3f7cd202db08