[INFO] cloning repository https://github.com/FukudaTaiga/solver_with_symbolic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FukudaTaiga/solver_with_symbolic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFukudaTaiga%2Fsolver_with_symbolic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFukudaTaiga%2Fsolver_with_symbolic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2db287b998325b2831f1fc510633cf88cc311d79
[INFO] testing FukudaTaiga/solver_with_symbolic against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFukudaTaiga%2Fsolver_with_symbolic" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FukudaTaiga/solver_with_symbolic on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FukudaTaiga/solver_with_symbolic
[INFO] finished tweaking git repo https://github.com/FukudaTaiga/solver_with_symbolic
[INFO] tweaked toml for git repo https://github.com/FukudaTaiga/solver_with_symbolic written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/FukudaTaiga/solver_with_symbolic already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a9d9697df536e04bb1228a65265d9a2d04aee1b74fdd2d88e486f657b2a3315
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8a9d9697df536e04bb1228a65265d9a2d04aee1b74fdd2d88e486f657b2a3315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a9d9697df536e04bb1228a65265d9a2d04aee1b74fdd2d88e486f657b2a3315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a9d9697df536e04bb1228a65265d9a2d04aee1b74fdd2d88e486f657b2a3315", kill_on_drop: false }`
[INFO] [stdout] 8a9d9697df536e04bb1228a65265d9a2d04aee1b74fdd2d88e486f657b2a3315
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e67dc7a5b95617f924d647c6fb843ad620a3129010415f3ea13cc9cb3e8499be
[INFO] running `Command { std: "docker" "start" "-a" "e67dc7a5b95617f924d647c6fb843ad620a3129010415f3ea13cc9cb3e8499be", kill_on_drop: false }`
[INFO] [stderr]    Compiling solver_with_symbolic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `HashMap`, `HashSet`
[INFO] [stdout]  --> src/state.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/state.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/state.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     unsafe {
[INFO] [stdout]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "e67dc7a5b95617f924d647c6fb843ad620a3129010415f3ea13cc9cb3e8499be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e67dc7a5b95617f924d647c6fb843ad620a3129010415f3ea13cc9cb3e8499be", kill_on_drop: false }`
[INFO] [stdout] e67dc7a5b95617f924d647c6fb843ad620a3129010415f3ea13cc9cb3e8499be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af52470329c0e9e93645087587b9bbaca52e1ee5c2a48e7cf538c84cb518f8dc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "af52470329c0e9e93645087587b9bbaca52e1ee5c2a48e7cf538c84cb518f8dc", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `HashMap`, `HashSet`
[INFO] [stdout]  --> src/state.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling solver_with_symbolic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/state.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/state.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     unsafe {
[INFO] [stdout]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `HashSet`
[INFO] [stdout]  --> src/state.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/state.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/state.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     unsafe {
[INFO] [stdout]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.13s
[INFO] running `Command { std: "docker" "inspect" "af52470329c0e9e93645087587b9bbaca52e1ee5c2a48e7cf538c84cb518f8dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af52470329c0e9e93645087587b9bbaca52e1ee5c2a48e7cf538c84cb518f8dc", kill_on_drop: false }`
[INFO] [stdout] af52470329c0e9e93645087587b9bbaca52e1ee5c2a48e7cf538c84cb518f8dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ae1527ddfeacc195236c7dfccfec760ccafe346144ce8c6aeec16af71e1bb23e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ae1527ddfeacc195236c7dfccfec760ccafe346144ce8c6aeec16af71e1bb23e", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `HashMap`, `HashSet`
[INFO] [stderr]  --> src/state.rs:2:24
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/state.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/state.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     unsafe {
[INFO] [stderr]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `solver_with_symbolic` (lib) generated 3 warnings
[INFO] [stderr] warning: `solver_with_symbolic` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/solver_with_symbolic-962423ddb016644c)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test boolean_algebra::tests::eq_test ... ok
[INFO] [stdout] test boolean_algebra::tests::in_set_test ... ok
[INFO] [stdout] test boolean_algebra::tests::range_test ... ok
[INFO] [stdout] test regular::regex::tests::parse_or_test ... ok
[INFO] [stdout] test regular::regex::tests::split_with_bracket_and_identifier_test ... ok
[INFO] [stdout] test regular::symbolic_automata::tests::create_sfa_with_new ... ok
[INFO] [stdout] test regular::regex::tests::parse_test ... ok
[INFO] [stdout] test regular::symbolic_automata::tests::state_set_test ... ok
[INFO] [stdout] test regular::symbolic_automata::tests::create_sfa_without_new ... ok
[INFO] [stdout] test regular::symbolic_automata::tests::new_state_test ... ok
[INFO] [stdout] test regular::regex::tests::parse_concat_test ... ok
[INFO] [stdout] test regular::regex::tests::parse_element_test ... ok
[INFO] [stdout] test regular::tests::reg_sfa_eps_test ... ok
[INFO] [stdout] test regular::tests::reg_to_sfa_test ... ok
[INFO] [stdout] test regular::tests::reg_sfa_star_test ... ok
[INFO] [stdout] test regular::tests::reg_sfa_or_test ... ok
[INFO] [stdout] test regular::regex::tests::parse_emp_eps_test ... ok
[INFO] [stdout] test regular::tests::reg_sfa_all_test ... ok
[INFO] [stdout] test regular::tests::reg_sfa_concat_test ... ok
[INFO] [stdout] test regular::regex::tests::is_identifier_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/solver_with_symbolic-dc9954074384c9b2)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests solver_with_symbolic
[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] [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" "ae1527ddfeacc195236c7dfccfec760ccafe346144ce8c6aeec16af71e1bb23e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae1527ddfeacc195236c7dfccfec760ccafe346144ce8c6aeec16af71e1bb23e", kill_on_drop: false }`
[INFO] [stdout] ae1527ddfeacc195236c7dfccfec760ccafe346144ce8c6aeec16af71e1bb23e