[INFO] fetching crate sylvan_number 0.1.5...
[INFO] testing sylvan_number-0.1.5 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate sylvan_number 0.1.5 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate sylvan_number 0.1.5
[INFO] finished tweaking crates.io crate sylvan_number 0.1.5
[INFO] tweaked toml for crates.io crate sylvan_number 0.1.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sylvan_number 0.1.5 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 23 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78bbee0fffc8cd54b327dab35911bdf3deb7faa58f22c1d8ba2bfaa57a951042
[INFO] running `Command { std: "docker" "start" "-a" "78bbee0fffc8cd54b327dab35911bdf3deb7faa58f22c1d8ba2bfaa57a951042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78bbee0fffc8cd54b327dab35911bdf3deb7faa58f22c1d8ba2bfaa57a951042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78bbee0fffc8cd54b327dab35911bdf3deb7faa58f22c1d8ba2bfaa57a951042", kill_on_drop: false }`
[INFO] [stdout] 78bbee0fffc8cd54b327dab35911bdf3deb7faa58f22c1d8ba2bfaa57a951042
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6a1d1c5790592db23d69b1164b5b1f53c43c7d16af28c8bd935f0e9aa9ce29a
[INFO] running `Command { std: "docker" "start" "-a" "a6a1d1c5790592db23d69b1164b5b1f53c43c7d16af28c8bd935f0e9aa9ce29a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling algebra_kit v0.1.15
[INFO] [stderr]    Compiling sylvan_number v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `io::StderrLock`
[INFO] [stdout]  --> src/ubignumber.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{cmp::max, fmt::Debug, io::StderrLock, ops::{Add, AddAssign, BitOr, BitOrAssign, Div, DivAssign, Index, IndexMut, Mul, MulAssign...
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ring`
[INFO] [stdout]  --> src/ubignumber.rs:2:45
[INFO] [stdout]   |
[INFO] [stdout] 2 | use algebra_kit::algebra::{EuclideanDomain, Ring};
[INFO] [stdout]   |                                             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EuclideanDomain`
[INFO] [stdout]  --> src/ubignumber.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use algebra_kit::algebra::{EuclideanDomain, Ring};
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.71s
[INFO] running `Command { std: "docker" "inspect" "a6a1d1c5790592db23d69b1164b5b1f53c43c7d16af28c8bd935f0e9aa9ce29a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6a1d1c5790592db23d69b1164b5b1f53c43c7d16af28c8bd935f0e9aa9ce29a", kill_on_drop: false }`
[INFO] [stdout] a6a1d1c5790592db23d69b1164b5b1f53c43c7d16af28c8bd935f0e9aa9ce29a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c07dd2998ac97e5e389748dab4a46cb431e6ac2e8714a0e821b2092aae7d689
[INFO] running `Command { std: "docker" "start" "-a" "7c07dd2998ac97e5e389748dab4a46cb431e6ac2e8714a0e821b2092aae7d689", kill_on_drop: false }`
[INFO] [stderr]    Compiling sylvan_number v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `io::StderrLock`
[INFO] [stdout]  --> src/ubignumber.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{cmp::max, fmt::Debug, io::StderrLock, ops::{Add, AddAssign, BitOr, BitOrAssign, Div, DivAssign, Index, IndexMut, Mul, MulAssign...
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ring`
[INFO] [stdout]  --> src/ubignumber.rs:2:45
[INFO] [stdout]   |
[INFO] [stdout] 2 | use algebra_kit::algebra::{EuclideanDomain, Ring};
[INFO] [stdout]   |                                             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EuclideanDomain`
[INFO] [stdout]  --> src/ubignumber.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use algebra_kit::algebra::{EuclideanDomain, Ring};
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io::StderrLock`
[INFO] [stdout]  --> src/ubignumber.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{cmp::max, fmt::Debug, io::StderrLock, ops::{Add, AddAssign, BitOr, BitOrAssign, Div, DivAssign, Index, IndexMut, Mul, MulAssign...
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread_rng`
[INFO] [stdout]   --> src/lib.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 |     use rand::{thread_rng, Rng};
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ring`
[INFO] [stdout]  --> src/ubignumber.rs:2:45
[INFO] [stdout]   |
[INFO] [stdout] 2 | use algebra_kit::algebra::{EuclideanDomain, Ring};
[INFO] [stdout]   |                                             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EuclideanDomain`
[INFO] [stdout]  --> src/ubignumber.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use algebra_kit::algebra::{EuclideanDomain, Ring};
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ring`
[INFO] [stdout]   --> src/lib.rs:12:49
[INFO] [stdout]    |
[INFO] [stdout] 12 |     use algebra_kit::algebra::{EuclideanDomain, Ring};
[INFO] [stdout]    |                                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EuclideanDomain`
[INFO] [stdout]   --> src/lib.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 12 |     use algebra_kit::algebra::{EuclideanDomain, Ring};
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "7c07dd2998ac97e5e389748dab4a46cb431e6ac2e8714a0e821b2092aae7d689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c07dd2998ac97e5e389748dab4a46cb431e6ac2e8714a0e821b2092aae7d689", kill_on_drop: false }`
[INFO] [stdout] 7c07dd2998ac97e5e389748dab4a46cb431e6ac2e8714a0e821b2092aae7d689
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 748c3a09f979336494899bd8b00f55b9264bb63d78d9fdb77f6e42483fb29754
[INFO] running `Command { std: "docker" "start" "-a" "748c3a09f979336494899bd8b00f55b9264bb63d78d9fdb77f6e42483fb29754", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `io::StderrLock`
[INFO] [stderr]  --> src/ubignumber.rs:1:33
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{cmp::max, fmt::Debug, io::StderrLock, ops::{Add, AddAssign, BitOr, BitOrAssign, Div, DivAssign, Index, IndexMut, Mul, MulAssign...
[INFO] [stderr]   |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Ring`
[INFO] [stderr]  --> src/ubignumber.rs:2:45
[INFO] [stderr]   |
[INFO] [stderr] 2 | use algebra_kit::algebra::{EuclideanDomain, Ring};
[INFO] [stderr]   |                                             ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `EuclideanDomain`
[INFO] [stderr]  --> src/ubignumber.rs:2:28
[INFO] [stderr]   |
[INFO] [stderr] 2 | use algebra_kit::algebra::{EuclideanDomain, Ring};
[INFO] [stderr]   |                            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `sylvan_number` (lib) generated 3 warnings (run `cargo fix --lib -p sylvan_number` to apply 1 suggestion)
[INFO] [stderr] warning: unused import: `thread_rng`
[INFO] [stderr]   --> src/lib.rs:13:16
[INFO] [stderr]    |
[INFO] [stderr] 13 |     use rand::{thread_rng, Rng};
[INFO] [stderr]    |                ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Ring`
[INFO] [stderr]   --> src/lib.rs:12:49
[INFO] [stderr]    |
[INFO] [stderr] 12 |     use algebra_kit::algebra::{EuclideanDomain, Ring};
[INFO] [stderr]    |                                                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `EuclideanDomain`
[INFO] [stderr]   --> src/lib.rs:12:32
[INFO] [stderr]    |
[INFO] [stderr] 12 |     use algebra_kit::algebra::{EuclideanDomain, Ring};
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `sylvan_number` (lib test) generated 6 warnings (3 duplicates) (run `cargo fix --lib -p sylvan_number --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sylvan_number-98fee999d543bc8f)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_add ... ok
[INFO] [stdout] test tests::test_clone ... ok
[INFO] [stdout] test tests::test_mul ... ok
[INFO] [stdout] test tests::test_printing ... ok
[INFO] [stdout] test tests::test_conversions ... ok
[INFO] [stdout] test tests::test_sub ... ok
[INFO] [stdout] test tests::test_short_division ... ok
[INFO] [stdout] test tests::test_division ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sylvan_number
[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" "748c3a09f979336494899bd8b00f55b9264bb63d78d9fdb77f6e42483fb29754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "748c3a09f979336494899bd8b00f55b9264bb63d78d9fdb77f6e42483fb29754", kill_on_drop: false }`
[INFO] [stdout] 748c3a09f979336494899bd8b00f55b9264bb63d78d9fdb77f6e42483fb29754