[INFO] cloning repository https://github.com/AmosHolland/python-success
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AmosHolland/python-success" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmosHolland%2Fpython-success", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmosHolland%2Fpython-success'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 65ba38847e550464ae857022854d3198725f283d
[INFO] testing AmosHolland/python-success against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmosHolland%2Fpython-success" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AmosHolland/python-success
[INFO] finished tweaking git repo https://github.com/AmosHolland/python-success
[INFO] tweaked toml for git repo https://github.com/AmosHolland/python-success written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AmosHolland/python-success on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AmosHolland/python-success 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d6bc4fcceebee09a4d6fe4795ef387d9ebf66723835d666cc23d0b3bc4b6fc8
[INFO] running `Command { std: "docker" "start" "-a" "8d6bc4fcceebee09a4d6fe4795ef387d9ebf66723835d666cc23d0b3bc4b6fc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d6bc4fcceebee09a4d6fe4795ef387d9ebf66723835d666cc23d0b3bc4b6fc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d6bc4fcceebee09a4d6fe4795ef387d9ebf66723835d666cc23d0b3bc4b6fc8", kill_on_drop: false }`
[INFO] [stdout] 8d6bc4fcceebee09a4d6fe4795ef387d9ebf66723835d666cc23d0b3bc4b6fc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18e4385d7e32a2ebdc3a21614d982f9a8613486b663c0e36fc174dccd8d3326d
[INFO] running `Command { std: "docker" "start" "-a" "18e4385d7e32a2ebdc3a21614d982f9a8613486b663c0e36fc174dccd8d3326d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling malachite-nz v0.4.16
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling log v0.4.25
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling malachite-base v0.4.16
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling unic-common v0.9.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling unic-char-range v0.9.0
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[INFO] [stderr]    Compiling rustpython-parser-vendored v0.4.0
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling unic-ucd-ident v0.9.0
[INFO] [stderr]    Compiling unic-emoji-char v0.9.0
[INFO] [stderr]    Compiling lalrpop-util v0.20.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling derive_more v0.99.18
[INFO] [stderr]    Compiling is-macro v0.3.7
[INFO] [stderr]    Compiling rustpython-parser-core v0.4.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling malachite-q v0.4.16
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling unicode_names2_generator v1.3.0
[INFO] [stderr]    Compiling malachite v0.4.16
[INFO] [stderr]    Compiling pest v2.7.15
[INFO] [stderr]    Compiling malachite-bigint v0.2.0
[INFO] [stderr]    Compiling rustpython-parser v0.4.0
[INFO] [stderr]    Compiling unicode_names2 v1.3.0
[INFO] [stderr]    Compiling pest_meta v2.7.15
[INFO] [stderr]    Compiling pest_generator v2.7.15
[INFO] [stderr]    Compiling rustpython-ast v0.4.0
[INFO] [stderr]    Compiling pest_derive v2.7.15
[INFO] [stderr]    Compiling python-success v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `pcf::parse_pcf_string`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use pcf::parse_pcf_string;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `types::parse_type_string`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use types::parse_type_string;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::CStr`
[INFO] [stdout]  --> src/ast_processing.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ffi::CStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `bigint::BigInt` and `self`
[INFO] [stdout]  --> src/ast_processing.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     self, bigint::BigInt, CmpOp, Constant, Expr, ExprAttribute, ExprBinOp, ExprCall, ExprCompare,
[INFO] [stdout]   |     ^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_traits::identities::Zero`
[INFO] [stdout]  --> src/ast_processing.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use num_traits::identities::Zero;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `any::TypeId`, `clone`, `env::var`, `ops::Sub`, and `sync::atomic::AtomicBool`
[INFO] [stdout]  --> src/solver.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{any::TypeId, clone, collections::HashMap, env::var, ops::Sub, sync::atomic::AtomicBool};
[INFO] [stdout]   |           ^^^^^^^^^^^  ^^^^^                        ^^^^^^^^  ^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `count` is assigned to, but never used
[INFO] [stdout]   --> src/solver.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut count = 0;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_count` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PCFParser` is never constructed
[INFO] [stdout]   --> src/pcf.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 | struct PCFParser;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_pcf_string` is never used
[INFO] [stdout]   --> src/pcf.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn parse_pcf_string(pcf_string: &str) -> Result<PCFTerm, &str> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_pcf` is never used
[INFO] [stdout]    --> src/pcf.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub fn parse_pcf(pair: Pair<Rule>) -> PCFTerm {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_pcf_const` is never used
[INFO] [stdout]    --> src/pcf.rs:203:8
[INFO] [stdout]     |
[INFO] [stdout] 203 | pub fn parse_pcf_const(pair: Pair<Rule>) -> PCFConst {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Bool` is never constructed
[INFO] [stdout]  --> src/types.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum Type {
[INFO] [stdout]   |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 9 |     Bool,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Type` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Variable` is never used
[INFO] [stdout]   --> src/types.rs:88:6
[INFO] [stdout]    |
[INFO] [stdout] 88 | type Variable = String;
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TypeSubstitution` is never constructed
[INFO] [stdout]   --> src/types.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 | struct TypeSubstitution {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `apply` are never used
[INFO] [stdout]    --> src/types.rs:95:8
[INFO] [stdout]     |
[INFO] [stdout] 94  | impl TypeSubstitution {
[INFO] [stdout]     | --------------------- associated items in this implementation
[INFO] [stdout] 95  |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     fn apply(&self, t: Type) -> Type {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TypeParser` is never constructed
[INFO] [stdout]    --> src/types.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 | struct TypeParser;
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_type_string` is never used
[INFO] [stdout]    --> src/types.rs:122:8
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub fn parse_type_string(type_string: &str) -> Result<Type, &str> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_type` is never used
[INFO] [stdout]    --> src/types.rs:138:4
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn parse_type(pair: Pair<Rule>) -> Type {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 15s
[INFO] running `Command { std: "docker" "inspect" "18e4385d7e32a2ebdc3a21614d982f9a8613486b663c0e36fc174dccd8d3326d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18e4385d7e32a2ebdc3a21614d982f9a8613486b663c0e36fc174dccd8d3326d", kill_on_drop: false }`
[INFO] [stdout] 18e4385d7e32a2ebdc3a21614d982f9a8613486b663c0e36fc174dccd8d3326d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4a931a675189fe44f6fd5c78bcb70278214119e94c49b8380747b4a4475606a
[INFO] running `Command { std: "docker" "start" "-a" "f4a931a675189fe44f6fd5c78bcb70278214119e94c49b8380747b4a4475606a", kill_on_drop: false }`
[INFO] [stderr]    Compiling python-success v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `pcf::parse_pcf_string`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use pcf::parse_pcf_string;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `types::parse_type_string`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use types::parse_type_string;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::CStr`
[INFO] [stdout]  --> src/ast_processing.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ffi::CStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `bigint::BigInt` and `self`
[INFO] [stdout]  --> src/ast_processing.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     self, bigint::BigInt, CmpOp, Constant, Expr, ExprAttribute, ExprBinOp, ExprCall, ExprCompare,
[INFO] [stdout]   |     ^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_traits::identities::Zero`
[INFO] [stdout]  --> src/ast_processing.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use num_traits::identities::Zero;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `any::TypeId`, `clone`, `env::var`, `ops::Sub`, and `sync::atomic::AtomicBool`
[INFO] [stdout]  --> src/solver.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{any::TypeId, clone, collections::HashMap, env::var, ops::Sub, sync::atomic::AtomicBool};
[INFO] [stdout]   |           ^^^^^^^^^^^  ^^^^^                        ^^^^^^^^  ^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `count` is assigned to, but never used
[INFO] [stdout]   --> src/solver.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut count = 0;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_count` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PCFParser` is never constructed
[INFO] [stdout]   --> src/pcf.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 | struct PCFParser;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_pcf_string` is never used
[INFO] [stdout]   --> src/pcf.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn parse_pcf_string(pcf_string: &str) -> Result<PCFTerm, &str> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_pcf` is never used
[INFO] [stdout]    --> src/pcf.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub fn parse_pcf(pair: Pair<Rule>) -> PCFTerm {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_pcf_const` is never used
[INFO] [stdout]    --> src/pcf.rs:203:8
[INFO] [stdout]     |
[INFO] [stdout] 203 | pub fn parse_pcf_const(pair: Pair<Rule>) -> PCFConst {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Bool` is never constructed
[INFO] [stdout]  --> src/types.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum Type {
[INFO] [stdout]   |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 9 |     Bool,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Type` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Variable` is never used
[INFO] [stdout]   --> src/types.rs:88:6
[INFO] [stdout]    |
[INFO] [stdout] 88 | type Variable = String;
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TypeSubstitution` is never constructed
[INFO] [stdout]   --> src/types.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 | struct TypeSubstitution {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `apply` are never used
[INFO] [stdout]    --> src/types.rs:95:8
[INFO] [stdout]     |
[INFO] [stdout] 94  | impl TypeSubstitution {
[INFO] [stdout]     | --------------------- associated items in this implementation
[INFO] [stdout] 95  |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     fn apply(&self, t: Type) -> Type {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TypeParser` is never constructed
[INFO] [stdout]    --> src/types.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 | struct TypeParser;
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_type_string` is never used
[INFO] [stdout]    --> src/types.rs:122:8
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub fn parse_type_string(type_string: &str) -> Result<Type, &str> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_type` is never used
[INFO] [stdout]    --> src/types.rs:138:4
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn parse_type(pair: Pair<Rule>) -> Type {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "f4a931a675189fe44f6fd5c78bcb70278214119e94c49b8380747b4a4475606a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4a931a675189fe44f6fd5c78bcb70278214119e94c49b8380747b4a4475606a", kill_on_drop: false }`
[INFO] [stdout] f4a931a675189fe44f6fd5c78bcb70278214119e94c49b8380747b4a4475606a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 20c54f9db696d2480689247d4bef7c1f3210d212577effc4044594d56cc778e2
[INFO] running `Command { std: "docker" "start" "-a" "20c54f9db696d2480689247d4bef7c1f3210d212577effc4044594d56cc778e2", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `pcf::parse_pcf_string`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use pcf::parse_pcf_string;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `types::parse_type_string`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use types::parse_type_string;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ffi::CStr`
[INFO] [stderr]  --> src/ast_processing.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ffi::CStr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `bigint::BigInt` and `self`
[INFO] [stderr]  --> src/ast_processing.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     self, bigint::BigInt, CmpOp, Constant, Expr, ExprAttribute, ExprBinOp, ExprCall, ExprCompare,
[INFO] [stderr]   |     ^^^^  ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num_traits::identities::Zero`
[INFO] [stderr]  --> src/ast_processing.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use num_traits::identities::Zero;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `any::TypeId`, `clone`, `env::var`, `ops::Sub`, and `sync::atomic::AtomicBool`
[INFO] [stderr]  --> src/solver.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{any::TypeId, clone, collections::HashMap, env::var, ops::Sub, sync::atomic::AtomicBool};
[INFO] [stderr]   |           ^^^^^^^^^^^  ^^^^^                        ^^^^^^^^  ^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `count` is assigned to, but never used
[INFO] [stderr]   --> src/solver.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut count = 0;
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_count` instead
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `PCFParser` is never constructed
[INFO] [stderr]   --> src/pcf.rs:93:8
[INFO] [stderr]    |
[INFO] [stderr] 93 | struct PCFParser;
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `parse_pcf_string` is never used
[INFO] [stderr]   --> src/pcf.rs:95:8
[INFO] [stderr]    |
[INFO] [stderr] 95 | pub fn parse_pcf_string(pcf_string: &str) -> Result<PCFTerm, &str> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `parse_pcf` is never used
[INFO] [stderr]    --> src/pcf.rs:111:8
[INFO] [stderr]     |
[INFO] [stderr] 111 | pub fn parse_pcf(pair: Pair<Rule>) -> PCFTerm {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `parse_pcf_const` is never used
[INFO] [stderr]    --> src/pcf.rs:203:8
[INFO] [stderr]     |
[INFO] [stderr] 203 | pub fn parse_pcf_const(pair: Pair<Rule>) -> PCFConst {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Bool` is never constructed
[INFO] [stderr]  --> src/types.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub enum Type {
[INFO] [stderr]   |          ---- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 9 |     Bool,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Type` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Variable` is never used
[INFO] [stderr]   --> src/types.rs:88:6
[INFO] [stderr]    |
[INFO] [stderr] 88 | type Variable = String;
[INFO] [stderr]    |      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TypeSubstitution` is never constructed
[INFO] [stderr]   --> src/types.rs:90:8
[INFO] [stderr]    |
[INFO] [stderr] 90 | struct TypeSubstitution {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `apply` are never used
[INFO] [stderr]    --> src/types.rs:95:8
[INFO] [stderr]     |
[INFO] [stderr] 94  | impl TypeSubstitution {
[INFO] [stderr]     | --------------------- associated items in this implementation
[INFO] [stderr] 95  |     fn new() -> Self {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 101 |     fn apply(&self, t: Type) -> Type {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TypeParser` is never constructed
[INFO] [stderr]    --> src/types.rs:120:8
[INFO] [stderr]     |
[INFO] [stderr] 120 | struct TypeParser;
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `parse_type_string` is never used
[INFO] [stderr]    --> src/types.rs:122:8
[INFO] [stderr]     |
[INFO] [stderr] 122 | pub fn parse_type_string(type_string: &str) -> Result<Type, &str> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `parse_type` is never used
[INFO] [stderr]    --> src/types.rs:138:4
[INFO] [stderr]     |
[INFO] [stderr] 138 | fn parse_type(pair: Pair<Rule>) -> Type {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `python-success` (bin "python-success" test) generated 18 warnings (run `cargo fix --bin "python-success" --tests` to apply 6 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/python_success-2238655f80624536)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "20c54f9db696d2480689247d4bef7c1f3210d212577effc4044594d56cc778e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20c54f9db696d2480689247d4bef7c1f3210d212577effc4044594d56cc778e2", kill_on_drop: false }`
[INFO] [stdout] 20c54f9db696d2480689247d4bef7c1f3210d212577effc4044594d56cc778e2
