[INFO] fetching crate ihateintegrals 0.1.2...
[INFO] checking ihateintegrals-0.1.2 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate ihateintegrals 0.1.2 into /workspace/builds/worker-6-tc1/source
[INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate ihateintegrals 0.1.2
[INFO] finished tweaking crates.io crate ihateintegrals 0.1.2
[INFO] tweaked toml for crates.io crate ihateintegrals 0.1.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ihateintegrals 0.1.2 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 ihateintegrals 0.1.2 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 77d8d54a6a04e6700bde2ce950da1ba4a6d475886ef454541f7de9f1d01161ee
[INFO] running `Command { std: "docker" "start" "-a" "77d8d54a6a04e6700bde2ce950da1ba4a6d475886ef454541f7de9f1d01161ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77d8d54a6a04e6700bde2ce950da1ba4a6d475886ef454541f7de9f1d01161ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77d8d54a6a04e6700bde2ce950da1ba4a6d475886ef454541f7de9f1d01161ee", kill_on_drop: false }`
[INFO] [stdout] 77d8d54a6a04e6700bde2ce950da1ba4a6d475886ef454541f7de9f1d01161ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] dd49faba41d3547094213c34961c87ea99a68a6fdcca8606074bca2a5a7f1bdb
[INFO] running `Command { std: "docker" "start" "-a" "dd49faba41d3547094213c34961c87ea99a68a6fdcca8606074bca2a5a7f1bdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]    Compiling anyhow v1.0.82
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking anstream v0.6.13
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking indexmap v2.2.5
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking petgraph v0.6.4
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking ihateintegrals v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `substitute_guarded` is never used
[INFO] [stdout]    --> src/derivation_rules/helpers.rs:238:8
[INFO] [stdout]     |
[INFO] [stdout] 238 | pub fn substitute_guarded<'a, RP, GP>(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `expect_result` is never used
[INFO] [stdout]    --> src/derivation_rules/helpers.rs:278:8
[INFO] [stdout]     |
[INFO] [stdout] 278 | pub fn expect_result(rule: &dyn DerivationRule, start: Expression, expected: Expression) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `expect_no_result` is never used
[INFO] [stdout]    --> src/derivation_rules/helpers.rs:284:8
[INFO] [stdout]     |
[INFO] [stdout] 284 | pub fn expect_no_result(rule: &dyn DerivationRule, start: Expression) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ProductRule` is never constructed
[INFO] [stdout]   --> src/derivation_rules/derivative_of_product.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct ProductRule {}
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SubtractExponentsOnFractions` is never constructed
[INFO] [stdout]   --> src/derivation_rules/subtract_exponents_on_fractions.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct SubtractExponentsOnFractions {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SumCoefficientsOfTerms` is never constructed
[INFO] [stdout]   --> src/derivation_rules/sum_coefficients_of_terms.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct SumCoefficientsOfTerms {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `power_set` is never used
[INFO] [stdout]   --> src/derivation_rules/sum_coefficients_of_terms.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn power_set<T>(set: Vec<T>) -> Vec<Vec<T>>
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ZeroTimesAnything` is never constructed
[INFO] [stdout]  --> src/derivation_rules/zero_times_anything.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct ZeroTimesAnything {}
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `substitute_guarded` is never used
[INFO] [stdout]    --> src/derivation_rules/helpers.rs:238:8
[INFO] [stdout]     |
[INFO] [stdout] 238 | pub fn substitute_guarded<'a, RP, GP>(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SubtractExponentsOnFractions` is never constructed
[INFO] [stdout]   --> src/derivation_rules/subtract_exponents_on_fractions.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct SubtractExponentsOnFractions {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SumCoefficientsOfTerms` is never constructed
[INFO] [stdout]   --> src/derivation_rules/sum_coefficients_of_terms.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct SumCoefficientsOfTerms {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `power_set` is never used
[INFO] [stdout]   --> src/derivation_rules/sum_coefficients_of_terms.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn power_set<T>(set: Vec<T>) -> Vec<Vec<T>>
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ZeroTimesAnything` is never constructed
[INFO] [stdout]  --> src/derivation_rules/zero_times_anything.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct ZeroTimesAnything {}
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.44s
[INFO] running `Command { std: "docker" "inspect" "dd49faba41d3547094213c34961c87ea99a68a6fdcca8606074bca2a5a7f1bdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd49faba41d3547094213c34961c87ea99a68a6fdcca8606074bca2a5a7f1bdb", kill_on_drop: false }`
[INFO] [stdout] dd49faba41d3547094213c34961c87ea99a68a6fdcca8606074bca2a5a7f1bdb