[INFO] cloning repository https://github.com/b3nj5m1n/binomial-coefficient
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/b3nj5m1n/binomial-coefficient" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb3nj5m1n%2Fbinomial-coefficient", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb3nj5m1n%2Fbinomial-coefficient'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5b368e45218319f478618a8ce8f8d03d2ff863f
[INFO] testing b3nj5m1n/binomial-coefficient against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb3nj5m1n%2Fbinomial-coefficient" "/workspace/builds/worker-87/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-87/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/b3nj5m1n/binomial-coefficient on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/b3nj5m1n/binomial-coefficient
[INFO] finished tweaking git repo https://github.com/b3nj5m1n/binomial-coefficient
[INFO] tweaked toml for git repo https://github.com/b3nj5m1n/binomial-coefficient written to /workspace/builds/worker-87/source/Cargo.toml
[INFO] crate git repo https://github.com/b3nj5m1n/binomial-coefficient already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num v0.4.0
[INFO] [stderr]   Downloaded num-bigint v0.4.3
[INFO] [stderr]   Downloaded term v0.2.14
[INFO] [stderr]   Downloaded text-diff v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb1908743bcf8a44d3f8486def739a40e6377c8ca3f0b8929cf1482bf7aa0bc3
[INFO] running `Command { std: "docker" "start" "-a" "eb1908743bcf8a44d3f8486def739a40e6377c8ca3f0b8929cf1482bf7aa0bc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb1908743bcf8a44d3f8486def739a40e6377c8ca3f0b8929cf1482bf7aa0bc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb1908743bcf8a44d3f8486def739a40e6377c8ca3f0b8929cf1482bf7aa0bc3", kill_on_drop: false }`
[INFO] [stdout] eb1908743bcf8a44d3f8486def739a40e6377c8ca3f0b8929cf1482bf7aa0bc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6dc4ad4521bfc1129201633ea053d88917cda1a07e4ae7963c2c203fca56152
[INFO] running `Command { std: "docker" "start" "-a" "d6dc4ad4521bfc1129201633ea053d88917cda1a07e4ae7963c2c203fca56152", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling term v0.2.14
[INFO] [stderr]    Compiling text-diff v0.4.0
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling binomial_coefficient v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `text_diff::print_diff`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use text_diff::print_diff;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/main.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let result = factorial(&BigUint::from(10000_u128), &mut HashMap::new()).to_string();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bc_normal`
[INFO] [stdout]   --> src/main.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn bc_normal(n_: u128, k_: u128) -> Option<BigUint> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 18.37s
[INFO] running `Command { std: "docker" "inspect" "d6dc4ad4521bfc1129201633ea053d88917cda1a07e4ae7963c2c203fca56152", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6dc4ad4521bfc1129201633ea053d88917cda1a07e4ae7963c2c203fca56152", kill_on_drop: false }`
[INFO] [stdout] d6dc4ad4521bfc1129201633ea053d88917cda1a07e4ae7963c2c203fca56152
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d992887f70166478bb6db2e2133c4f93bddecb3e7dd445fd7bc2fc1b7341a072
[INFO] running `Command { std: "docker" "start" "-a" "d992887f70166478bb6db2e2133c4f93bddecb3e7dd445fd7bc2fc1b7341a072", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling binomial_coefficient v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `text_diff::print_diff`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use text_diff::print_diff;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/main.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let result = factorial(&BigUint::from(10000_u128), &mut HashMap::new()).to_string();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.23s
[INFO] running `Command { std: "docker" "inspect" "d992887f70166478bb6db2e2133c4f93bddecb3e7dd445fd7bc2fc1b7341a072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d992887f70166478bb6db2e2133c4f93bddecb3e7dd445fd7bc2fc1b7341a072", kill_on_drop: false }`
[INFO] [stdout] d992887f70166478bb6db2e2133c4f93bddecb3e7dd445fd7bc2fc1b7341a072
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 54710d47904912b94b8ad3be59bf9d5f3221c40e623aea62564f4dfd832bc762
[INFO] running `Command { std: "docker" "start" "-a" "54710d47904912b94b8ad3be59bf9d5f3221c40e623aea62564f4dfd832bc762", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `text_diff::print_diff`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use text_diff::print_diff;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]   --> src/main.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let result = factorial(&BigUint::from(10000_u128), &mut HashMap::new()).to_string();
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `binomial_coefficient` (bin "binomial_coefficient" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/binomial_coefficient-1ad44e5a46b16636)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests_factorial::x ... ok
[INFO] [stdout] test tests_factorial::one ... ok
[INFO] [stdout] test tests_factorial::zero ... ok
[INFO] [stdout] test tests_factorial::to_string ... ok
[INFO] [stdout] test tests_normal::bc_0_x ... ok
[INFO] [stdout] test tests_normal::bc_x_1 ... ok
[INFO] [stderr] 
[INFO] [stderr] thread 'tests_factorial::large' has overflowed its stack
[INFO] [stderr] fatal runtime error: stack overflow
[INFO] [stderr] error: test failed, to rerun pass '--bin binomial_coefficient'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/binomial_coefficient-1ad44e5a46b16636` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "54710d47904912b94b8ad3be59bf9d5f3221c40e623aea62564f4dfd832bc762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54710d47904912b94b8ad3be59bf9d5f3221c40e623aea62564f4dfd832bc762", kill_on_drop: false }`
[INFO] [stdout] 54710d47904912b94b8ad3be59bf9d5f3221c40e623aea62564f4dfd832bc762