[INFO] fetching crate strength_reduce 0.2.3...
[INFO] testing strength_reduce-0.2.3 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate strength_reduce 0.2.3 into /workspace/builds/worker-113/source
[INFO] validating manifest of crates.io crate strength_reduce 0.2.3 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate strength_reduce 0.2.3
[INFO] finished tweaking crates.io crate strength_reduce 0.2.3
[INFO] tweaked toml for crates.io crate strength_reduce 0.2.3 written to /workspace/builds/worker-113/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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 proptest v0.8.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb2c12e3b1a58f895823699ed04e3619efb6eedd1d1b6b8b191ea5b7680a733a
[INFO] running `Command { std: "docker" "start" "-a" "fb2c12e3b1a58f895823699ed04e3619efb6eedd1d1b6b8b191ea5b7680a733a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb2c12e3b1a58f895823699ed04e3619efb6eedd1d1b6b8b191ea5b7680a733a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb2c12e3b1a58f895823699ed04e3619efb6eedd1d1b6b8b191ea5b7680a733a", kill_on_drop: false }`
[INFO] [stdout] fb2c12e3b1a58f895823699ed04e3619efb6eedd1d1b6b8b191ea5b7680a733a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce64b8daf6b36fb23e08bf4b8ea97a1f8ed92e5344252e9b89117ef6e79d6437
[INFO] running `Command { std: "docker" "start" "-a" "ce64b8daf6b36fb23e08bf4b8ea97a1f8ed92e5344252e9b89117ef6e79d6437", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling strength_reduce v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `U64_MAX`
[INFO] [stdout]  --> src/long_division.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | const U64_MAX: u128 = core::u64::MAX as u128;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `divide_128`
[INFO] [stdout]   --> src/long_division.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub fn divide_128(numerator: u128, divisor: u128) -> u128 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `divide_128_by_64_helper`
[INFO] [stdout]    --> src/long_division.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn divide_128_by_64_helper(numerator: u128, divisor: u64) -> u64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `divide_128_by_32_helper`
[INFO] [stdout]    --> src/long_division.rs:197:4
[INFO] [stdout]     |
[INFO] [stdout] 197 | fn divide_128_by_32_helper(numerator: u128, divisor: u32) -> u64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "ce64b8daf6b36fb23e08bf4b8ea97a1f8ed92e5344252e9b89117ef6e79d6437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce64b8daf6b36fb23e08bf4b8ea97a1f8ed92e5344252e9b89117ef6e79d6437", kill_on_drop: false }`
[INFO] [stdout] ce64b8daf6b36fb23e08bf4b8ea97a1f8ed92e5344252e9b89117ef6e79d6437
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3915ad6c5c6bd966c5a589055fa66816d99efc120e80670a300b9e8fa1b93807
[INFO] running `Command { std: "docker" "start" "-a" "3915ad6c5c6bd966c5a589055fa66816d99efc120e80670a300b9e8fa1b93807", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stdout] warning: constant is never used: `U64_MAX`
[INFO] [stdout]  --> src/long_division.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | const U64_MAX: u128 = core::u64::MAX as u128;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `divide_128`
[INFO] [stdout]   --> src/long_division.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub fn divide_128(numerator: u128, divisor: u128) -> u128 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `divide_128_by_64_helper`
[INFO] [stdout]    --> src/long_division.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn divide_128_by_64_helper(numerator: u128, divisor: u64) -> u64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `divide_128_by_32_helper`
[INFO] [stdout]    --> src/long_division.rs:197:4
[INFO] [stdout]     |
[INFO] [stdout] 197 | fn divide_128_by_32_helper(numerator: u128, divisor: u32) -> u64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling proptest v0.8.7
[INFO] [stderr]    Compiling strength_reduce v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `U64_MAX`
[INFO] [stdout]  --> src/long_division.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | const U64_MAX: u128 = core::u64::MAX as u128;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `divide_128`
[INFO] [stdout]   --> src/long_division.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub fn divide_128(numerator: u128, divisor: u128) -> u128 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.74s
[INFO] running `Command { std: "docker" "inspect" "3915ad6c5c6bd966c5a589055fa66816d99efc120e80670a300b9e8fa1b93807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3915ad6c5c6bd966c5a589055fa66816d99efc120e80670a300b9e8fa1b93807", kill_on_drop: false }`
[INFO] [stdout] 3915ad6c5c6bd966c5a589055fa66816d99efc120e80670a300b9e8fa1b93807
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b65b19f1a233fa598f97526198fb1158e0845c8a6c4039a08ba8b39b72efdcb1
[INFO] running `Command { std: "docker" "start" "-a" "b65b19f1a233fa598f97526198fb1158e0845c8a6c4039a08ba8b39b72efdcb1", kill_on_drop: false }`
[INFO] [stderr] warning: constant is never used: `U64_MAX`
[INFO] [stderr]  --> src/long_division.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | const U64_MAX: u128 = core::u64::MAX as u128;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `divide_128`
[INFO] [stderr]   --> src/long_division.rs:90:8
[INFO] [stderr]    |
[INFO] [stderr] 90 | pub fn divide_128(numerator: u128, divisor: u128) -> u128 {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `divide_128_by_64_helper`
[INFO] [stderr]    --> src/long_division.rs:128:4
[INFO] [stderr]     |
[INFO] [stderr] 128 | fn divide_128_by_64_helper(numerator: u128, divisor: u64) -> u64 {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `divide_128_by_32_helper`
[INFO] [stderr]    --> src/long_division.rs:197:4
[INFO] [stderr]     |
[INFO] [stderr] 197 | fn divide_128_by_32_helper(numerator: u128, divisor: u32) -> u64 {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `strength_reduce` (lib) generated 4 warnings
[INFO] [stderr] warning: `strength_reduce` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/strength_reduce-beffd0f66606e68b)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test long_division::unit_tests::test_divide_128_by_64 ... ok
[INFO] [stdout] test unit_tests::test_strength_reduced_u16 ... ok
[INFO] [stdout] test unit_tests::test_strength_reduced_u32 ... ok
[INFO] [stdout] test unit_tests::test_strength_reduced_u64 ... ok
[INFO] [stdout] test unit_tests::test_strength_reduced_u8 ... ok
[INFO] [stdout] test unit_tests::test_strength_reduced_u128 ... ok
[INFO] [stdout] test unit_tests::test_strength_reduced_usize ... ok
[INFO] [stderr]      Running tests/test_reduced_unsigned.rs (/opt/rustwide/target/debug/deps/test_reduced_unsigned-3d116497eac52780)
[INFO] [stdout] test long_division::unit_tests::test_max_256 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.47s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test test_strength_reduced_u08_exhaustive ... ignored
[INFO] [stdout] test test_strength_reduced_u16_exhaustive ... ignored
[INFO] [stdout] test strength_reduced_u08::fully_generated_inputs_are_div_rem_equivalent ... ok
[INFO] [stdout] test strength_reduced_u32::fully_generated_inputs_are_div_rem_equivalent ... ok
[INFO] [stdout] test strength_reduced_u32::generated_numerators_with_edge_case_divisors_are_div_rem_equivalent ... ok
[INFO] [stdout] test strength_reduced_u64::generated_numerators_with_edge_case_divisors_are_div_rem_equivalent ... ok
[INFO] [stdout] test strength_reduced_u08::generated_numerators_with_edge_case_divisors_are_div_rem_equivalent ... ok
[INFO] [stdout] test strength_reduced_u64::generated_divisors_with_edge_case_numerators_are_div_rem_equivalent ... ok
[INFO] [stdout] test strength_reduced_u16::fully_generated_inputs_are_div_rem_equivalent ... ok
[INFO] [stdout] test strength_reduced_u08::generated_divisors_with_edge_case_numerators_are_div_rem_equivalent ... ok
[INFO] [stdout] test strength_reduced_usize::generated_numerators_with_edge_case_divisors_are_div_rem_equivalent ... ok
[INFO] [stdout] test strength_reduced_u16::generated_divisors_with_edge_case_numerators_are_div_rem_equivalent ... ok
[INFO] [stdout] test strength_reduced_u64::fully_generated_inputs_are_div_rem_equivalent ... ok
[INFO] [stdout] test strength_reduced_u32::generated_divisors_with_edge_case_numerators_are_div_rem_equivalent ... ok
[INFO] [stdout] test strength_reduced_u16::generated_numerators_with_edge_case_divisors_are_div_rem_equivalent ... ok
[INFO] [stdout] test strength_reduced_usize::generated_divisors_with_edge_case_numerators_are_div_rem_equivalent ... ok
[INFO] [stdout] test strength_reduced_usize::fully_generated_inputs_are_div_rem_equivalent ... ok
[INFO] [stdout] test strength_reduced_u128::generated_numerators_with_edge_case_divisors_are_div_rem_equivalent ... ok
[INFO] [stdout] test strength_reduced_u128::generated_divisors_with_edge_case_numerators_are_div_rem_equivalent ... ok
[INFO] [stderr]    Doc-tests strength_reduce
[INFO] [stdout] test strength_reduced_u128::fully_generated_inputs_are_div_rem_equivalent ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 1.37s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b65b19f1a233fa598f97526198fb1158e0845c8a6c4039a08ba8b39b72efdcb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b65b19f1a233fa598f97526198fb1158e0845c8a6c4039a08ba8b39b72efdcb1", kill_on_drop: false }`
[INFO] [stdout] b65b19f1a233fa598f97526198fb1158e0845c8a6c4039a08ba8b39b72efdcb1