[INFO] fetching crate divisibility_check 0.1.0...
[INFO] testing divisibility_check-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate divisibility_check 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate divisibility_check 0.1.0 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 crates.io crate divisibility_check 0.1.0
[INFO] finished tweaking crates.io crate divisibility_check 0.1.0
[INFO] tweaked toml for crates.io crate divisibility_check 0.1.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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" "+62efba8a050c64249dab942951bb28f710208bc8" "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 check v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 05c3ac509dee0b3068b7f4855cfc6a0a375fe21306fd5f4b6b44ad2e672e5bb4
[INFO] running `Command { std: "docker" "start" "-a" "05c3ac509dee0b3068b7f4855cfc6a0a375fe21306fd5f4b6b44ad2e672e5bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05c3ac509dee0b3068b7f4855cfc6a0a375fe21306fd5f4b6b44ad2e672e5bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05c3ac509dee0b3068b7f4855cfc6a0a375fe21306fd5f4b6b44ad2e672e5bb4", kill_on_drop: false }`
[INFO] [stdout] 05c3ac509dee0b3068b7f4855cfc6a0a375fe21306fd5f4b6b44ad2e672e5bb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] [stdout] 0a217bb324dd7b66e93847f8d758d1bfbf48d8d74b35d51b5f7a3711443eb330
[INFO] running `Command { std: "docker" "start" "-a" "0a217bb324dd7b66e93847f8d758d1bfbf48d8d74b35d51b5f7a3711443eb330", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling check v0.1.0
[INFO] [stderr]    Compiling divisibility_check v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `Numerator`
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let Numerator:i32 = Numerator.trim().parse().unwrap();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Numerator`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Denominator`
[INFO] [stdout]   --> src/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let Denominator:i32 = Denominator.trim().parse().unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Denominator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Numerator` should have a snake case name
[INFO] [stdout]   --> src/main.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mut Numerator = String::new();
[INFO] [stdout]    |             ^^^^^^^^^ help: convert the identifier to snake case: `numerator`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     io::stdin().read_line(&mut Numerator);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Numerator` should have a snake case name
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let Numerator:i32 = Numerator.trim().parse().unwrap();
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `numerator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Denominator` should have a snake case name
[INFO] [stdout]   --> src/main.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut Denominator = String::new();
[INFO] [stdout]    |             ^^^^^^^^^^^ help: convert the identifier to snake case: `denominator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     io::stdin().read_line(&mut Denominator);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Denominator` should have a snake case name
[INFO] [stdout]   --> src/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let Denominator:i32 = Denominator.trim().parse().unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^^ help: convert the identifier to snake case: `denominator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "0a217bb324dd7b66e93847f8d758d1bfbf48d8d74b35d51b5f7a3711443eb330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a217bb324dd7b66e93847f8d758d1bfbf48d8d74b35d51b5f7a3711443eb330", kill_on_drop: false }`
[INFO] [stdout] 0a217bb324dd7b66e93847f8d758d1bfbf48d8d74b35d51b5f7a3711443eb330
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 6415c8fcf4923e6cec9f15bb0e405b727d9d2137cde46a6adb5f47ae92885ccc
[INFO] running `Command { std: "docker" "start" "-a" "6415c8fcf4923e6cec9f15bb0e405b727d9d2137cde46a6adb5f47ae92885ccc", kill_on_drop: false }`
[INFO] [stderr]    Compiling divisibility_check v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `Numerator`
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let Numerator:i32 = Numerator.trim().parse().unwrap();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Numerator`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Denominator`
[INFO] [stdout]   --> src/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let Denominator:i32 = Denominator.trim().parse().unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Denominator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Numerator` should have a snake case name
[INFO] [stdout]   --> src/main.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mut Numerator = String::new();
[INFO] [stdout]    |             ^^^^^^^^^ help: convert the identifier to snake case: `numerator`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     io::stdin().read_line(&mut Numerator);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Numerator` should have a snake case name
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let Numerator:i32 = Numerator.trim().parse().unwrap();
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `numerator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Denominator` should have a snake case name
[INFO] [stdout]   --> src/main.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut Denominator = String::new();
[INFO] [stdout]    |             ^^^^^^^^^^^ help: convert the identifier to snake case: `denominator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     io::stdin().read_line(&mut Denominator);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Denominator` should have a snake case name
[INFO] [stdout]   --> src/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let Denominator:i32 = Denominator.trim().parse().unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^^ help: convert the identifier to snake case: `denominator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "6415c8fcf4923e6cec9f15bb0e405b727d9d2137cde46a6adb5f47ae92885ccc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6415c8fcf4923e6cec9f15bb0e405b727d9d2137cde46a6adb5f47ae92885ccc", kill_on_drop: false }`
[INFO] [stdout] 6415c8fcf4923e6cec9f15bb0e405b727d9d2137cde46a6adb5f47ae92885ccc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 1ffada9ccf6dc1755469108ac1c3da4e0b6f37ee8df150171f809fad3323b43d
[INFO] running `Command { std: "docker" "start" "-a" "1ffada9ccf6dc1755469108ac1c3da4e0b6f37ee8df150171f809fad3323b43d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `Numerator`
[INFO] [stderr]   --> src/main.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let Numerator:i32 = Numerator.trim().parse().unwrap();
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Numerator`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `Denominator`
[INFO] [stderr]   --> src/main.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let Denominator:i32 = Denominator.trim().parse().unwrap();
[INFO] [stderr]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Denominator`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Numerator` should have a snake case name
[INFO] [stderr]   --> src/main.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let mut Numerator = String::new();
[INFO] [stderr]    |             ^^^^^^^^^ help: convert the identifier to snake case: `numerator`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     io::stdin().read_line(&mut Numerator);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Numerator` should have a snake case name
[INFO] [stderr]   --> src/main.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let Numerator:i32 = Numerator.trim().parse().unwrap();
[INFO] [stderr]    |         ^^^^^^^^^ help: convert the identifier to snake case: `numerator`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Denominator` should have a snake case name
[INFO] [stderr]   --> src/main.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let mut Denominator = String::new();
[INFO] [stderr]    |             ^^^^^^^^^^^ help: convert the identifier to snake case: `denominator`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     io::stdin().read_line(&mut Denominator);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Denominator` should have a snake case name
[INFO] [stderr]   --> src/main.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let Denominator:i32 = Denominator.trim().parse().unwrap();
[INFO] [stderr]    |         ^^^^^^^^^^^ help: convert the identifier to snake case: `denominator`
[INFO] [stderr] 
[INFO] [stderr] warning: `divisibility_check` (bin "divisibility_check" test) generated 8 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.35s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/divisibility_check-36ff36a267a08f50)
[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" "1ffada9ccf6dc1755469108ac1c3da4e0b6f37ee8df150171f809fad3323b43d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ffada9ccf6dc1755469108ac1c3da4e0b6f37ee8df150171f809fad3323b43d", kill_on_drop: false }`
[INFO] [stdout] 1ffada9ccf6dc1755469108ac1c3da4e0b6f37ee8df150171f809fad3323b43d