[INFO] fetching crate is_even_odd 0.1.1...
[INFO] testing is_even_odd-0.1.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate is_even_odd 0.1.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate is_even_odd 0.1.1
[INFO] finished tweaking crates.io crate is_even_odd 0.1.1
[INFO] tweaked toml for crates.io crate is_even_odd 0.1.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate is_even_odd 0.1.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b41bb9272d11ed3bd8705237839d8ff4cd87ef06a8a478406a73d79c778745a
[INFO] running `Command { std: "docker" "start" "-a" "6b41bb9272d11ed3bd8705237839d8ff4cd87ef06a8a478406a73d79c778745a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b41bb9272d11ed3bd8705237839d8ff4cd87ef06a8a478406a73d79c778745a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b41bb9272d11ed3bd8705237839d8ff4cd87ef06a8a478406a73d79c778745a", kill_on_drop: false }`
[INFO] [stdout] 6b41bb9272d11ed3bd8705237839d8ff4cd87ef06a8a478406a73d79c778745a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f6c3e272c8af83200524d036f0662709a4eb339fbb80a3ef1f7e1aea0955ed7
[INFO] running `Command { std: "docker" "start" "-a" "4f6c3e272c8af83200524d036f0662709a4eb339fbb80a3ef1f7e1aea0955ed7", kill_on_drop: false }`
[INFO] [stderr]    Compiling is_even_odd v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/categories.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn is_whole(n: usize) -> bool {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/categories.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn is_integer(n: isize) -> bool {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/categories.rs:34:24
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn is_non_negative(n: usize) -> bool {
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]  --> src/divider.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn floor_divide_by_0(n: isize) -> isize {
[INFO] [stdout]   |                          ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "4f6c3e272c8af83200524d036f0662709a4eb339fbb80a3ef1f7e1aea0955ed7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f6c3e272c8af83200524d036f0662709a4eb339fbb80a3ef1f7e1aea0955ed7", kill_on_drop: false }`
[INFO] [stdout] 4f6c3e272c8af83200524d036f0662709a4eb339fbb80a3ef1f7e1aea0955ed7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59e6154422ddd69292c5b28b076572a1cac5936ff11486fa18092e779bc2da0f
[INFO] running `Command { std: "docker" "start" "-a" "59e6154422ddd69292c5b28b076572a1cac5936ff11486fa18092e779bc2da0f", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/categories.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn is_whole(n: usize) -> bool {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/categories.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn is_integer(n: isize) -> bool {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/categories.rs:34:24
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn is_non_negative(n: usize) -> bool {
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]  --> src/divider.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn floor_divide_by_0(n: isize) -> isize {
[INFO] [stdout]   |                          ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling is_even_odd v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/categories.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn is_whole(n: usize) -> bool {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/categories.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn is_integer(n: isize) -> bool {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/categories.rs:34:24
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn is_non_negative(n: usize) -> bool {
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]  --> src/divider.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn floor_divide_by_0(n: isize) -> isize {
[INFO] [stdout]   |                          ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "59e6154422ddd69292c5b28b076572a1cac5936ff11486fa18092e779bc2da0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59e6154422ddd69292c5b28b076572a1cac5936ff11486fa18092e779bc2da0f", kill_on_drop: false }`
[INFO] [stdout] 59e6154422ddd69292c5b28b076572a1cac5936ff11486fa18092e779bc2da0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7386c29bf7f920cace75b64016b79a863f2bfadf4657e8b0c868e899c2cb816c
[INFO] running `Command { std: "docker" "start" "-a" "7386c29bf7f920cace75b64016b79a863f2bfadf4657e8b0c868e899c2cb816c", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/categories.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn is_whole(n: usize) -> bool {
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/categories.rs:24:19
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn is_integer(n: isize) -> bool {
[INFO] [stderr]    |                   ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/categories.rs:34:24
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub fn is_non_negative(n: usize) -> bool {
[INFO] [stderr]    |                        ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]  --> src/divider.rs:4:26
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn floor_divide_by_0(n: isize) -> isize {
[INFO] [stderr]   |                          ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: `is_even_odd` (lib) generated 4 warnings
[INFO] [stderr] warning: `is_even_odd` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/is_even_odd-6ed7b271669973c7)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_divider ... ok
[INFO] [stdout] test tests::test_is_even ... ok
[INFO] [stdout] test tests::test_is_odd ... ok
[INFO] [stdout] test tests::test_multiplier ... ok
[INFO] [stdout] test tests::test_subtracter ... ok
[INFO] [stdout] test tests::test_adder ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests is_even_odd
[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" "7386c29bf7f920cace75b64016b79a863f2bfadf4657e8b0c868e899c2cb816c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7386c29bf7f920cace75b64016b79a863f2bfadf4657e8b0c868e899c2cb816c", kill_on_drop: false }`
[INFO] [stdout] 7386c29bf7f920cace75b64016b79a863f2bfadf4657e8b0c868e899c2cb816c