[INFO] cloning repository https://github.com/Gnarus-G/n_choose_k
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Gnarus-G/n_choose_k" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGnarus-G%2Fn_choose_k", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGnarus-G%2Fn_choose_k'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7034d6b29ec00ec16ca224eab5a63a811f15ac4
[INFO] testing Gnarus-G/n_choose_k against try#c3758fdc4730d7700b25a13cccff296a08f42c00 for pr-91743
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGnarus-G%2Fn_choose_k" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Gnarus-G/n_choose_k on toolchain c3758fdc4730d7700b25a13cccff296a08f42c00
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Gnarus-G/n_choose_k
[INFO] finished tweaking git repo https://github.com/Gnarus-G/n_choose_k
[INFO] tweaked toml for git repo https://github.com/Gnarus-G/n_choose_k written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Gnarus-G/n_choose_k already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-6/source/crates/nck/Cargo.toml: file found to be present in multiple build targets: /workspace/builds/worker-6/source/crates/nck/src/main.rs
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34d95810b50dbf49a126722e63978472a08cae322f9ed70f58decb83bf861759
[INFO] running `Command { std: "docker" "start" "-a" "34d95810b50dbf49a126722e63978472a08cae322f9ed70f58decb83bf861759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34d95810b50dbf49a126722e63978472a08cae322f9ed70f58decb83bf861759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34d95810b50dbf49a126722e63978472a08cae322f9ed70f58decb83bf861759", kill_on_drop: false }`
[INFO] [stdout] 34d95810b50dbf49a126722e63978472a08cae322f9ed70f58decb83bf861759
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6beb736b780d283cd9c07e130284f38e5e69cd5005a8c96ee18233c1f884dfee
[INFO] running `Command { std: "docker" "start" "-a" "6beb736b780d283cd9c07e130284f38e5e69cd5005a8c96ee18233c1f884dfee", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/crates/nck/Cargo.toml: file found to be present in multiple build targets: /opt/rustwide/workdir/crates/nck/src/main.rs
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling memo v0.1.0 (/opt/rustwide/workdir/crates/memo)
[INFO] [stderr]    Compiling clap_lex v0.1.1
[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 indexmap v1.8.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling factorial v0.1.2 (/opt/rustwide/workdir/crates/factorial)
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]    Compiling clap v3.1.9
[INFO] [stderr]    Compiling n_choose_k v0.1.4 (/opt/rustwide/workdir/crates/nck)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.07s
[INFO] running `Command { std: "docker" "inspect" "6beb736b780d283cd9c07e130284f38e5e69cd5005a8c96ee18233c1f884dfee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6beb736b780d283cd9c07e130284f38e5e69cd5005a8c96ee18233c1f884dfee", kill_on_drop: false }`
[INFO] [stdout] 6beb736b780d283cd9c07e130284f38e5e69cd5005a8c96ee18233c1f884dfee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2917bcd2c3691df4d9fe718173ca9c5d3014db3bda1c6c43355b00c5839a1851
[INFO] running `Command { std: "docker" "start" "-a" "2917bcd2c3691df4d9fe718173ca9c5d3014db3bda1c6c43355b00c5839a1851", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/crates/nck/Cargo.toml: file found to be present in multiple build targets: /opt/rustwide/workdir/crates/nck/src/main.rs
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memo v0.1.0 (/opt/rustwide/workdir/crates/memo)
[INFO] [stderr]    Compiling factorial v0.1.2 (/opt/rustwide/workdir/crates/factorial)
[INFO] [stderr]    Compiling n_choose_k v0.1.4 (/opt/rustwide/workdir/crates/nck)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/factorial-62b0e5bd6d11ffe6)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/factorial-372433cc0865e9da)
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/memo-fe253829632826d3)
[INFO] [stderr]   Executable tests/lib.rs (/opt/rustwide/target/debug/deps/lib-a7dbb94b45a7e398)
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/n_choose_k-b9476bf639f8fd9d)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/n_choose_k-c30b7833cd81732d)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/nck-78e190a91c579896)
[INFO] [stderr]   Executable tests/lib.rs (/opt/rustwide/target/debug/deps/lib-357d2586a7f60528)
[INFO] running `Command { std: "docker" "inspect" "2917bcd2c3691df4d9fe718173ca9c5d3014db3bda1c6c43355b00c5839a1851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2917bcd2c3691df4d9fe718173ca9c5d3014db3bda1c6c43355b00c5839a1851", kill_on_drop: false }`
[INFO] [stdout] 2917bcd2c3691df4d9fe718173ca9c5d3014db3bda1c6c43355b00c5839a1851
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b383389c337a2fd419c51d4bc6bb81fdd02e102c9935d36cb0d57c842bc78e13
[INFO] running `Command { std: "docker" "start" "-a" "b383389c337a2fd419c51d4bc6bb81fdd02e102c9935d36cb0d57c842bc78e13", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/crates/nck/Cargo.toml: file found to be present in multiple build targets: /opt/rustwide/workdir/crates/nck/src/main.rs
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/factorial-62b0e5bd6d11ffe6)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_fact_no_cache ... ok
[INFO] [stdout] test tests::test_fact_simple ... ok
[INFO] [stdout] test tests::test_cached_run ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.82s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/factorial-372433cc0865e9da)
[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] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/memo-fe253829632826d3)
[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] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-a7dbb94b45a7e398)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::it_still_works ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/n_choose_k-b9476bf639f8fd9d)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/n_choose_k-c30b7833cd81732d)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/nck-78e190a91c579896)
[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] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-357d2586a7f60528)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_n_choose_k ... ok
[INFO] [stdout] test tests::test_no_overflow_on_trivial_input ... ok
[INFO] [stdout] test tests::test_n_choose_k_multi_threaded ... ok
[INFO] [stdout] test tests::test_no_overflow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests factorial
[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] [stderr]    Doc-tests memo
[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] [stderr]    Doc-tests n_choose_k
[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" "b383389c337a2fd419c51d4bc6bb81fdd02e102c9935d36cb0d57c842bc78e13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b383389c337a2fd419c51d4bc6bb81fdd02e102c9935d36cb0d57c842bc78e13", kill_on_drop: false }`
[INFO] [stdout] b383389c337a2fd419c51d4bc6bb81fdd02e102c9935d36cb0d57c842bc78e13