[INFO] fetching crate is_even_odd 0.1.1...
[INFO] checking is_even_odd-0.1.1 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate is_even_odd 0.1.1 into /workspace/builds/worker-7-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate is_even_odd 0.1.1 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fffa7894342af6885f5496093205fb3f3076b353f1c2a0f8f2841b30af7a6bc5
[INFO] running `Command { std: "docker" "start" "-a" "fffa7894342af6885f5496093205fb3f3076b353f1c2a0f8f2841b30af7a6bc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fffa7894342af6885f5496093205fb3f3076b353f1c2a0f8f2841b30af7a6bc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fffa7894342af6885f5496093205fb3f3076b353f1c2a0f8f2841b30af7a6bc5", kill_on_drop: false }`
[INFO] [stdout] fffa7894342af6885f5496093205fb3f3076b353f1c2a0f8f2841b30af7a6bc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5700c56da57f6ce2111eb9946b0664a96d0c5a493d63f669f52879642ce790ea
[INFO] running `Command { std: "docker" "start" "-a" "5700c56da57f6ce2111eb9946b0664a96d0c5a493d63f669f52879642ce790ea", kill_on_drop: false }`
[INFO] [stderr]     Checking 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] [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 0.10s
[INFO] running `Command { std: "docker" "inspect" "5700c56da57f6ce2111eb9946b0664a96d0c5a493d63f669f52879642ce790ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5700c56da57f6ce2111eb9946b0664a96d0c5a493d63f669f52879642ce790ea", kill_on_drop: false }`
[INFO] [stdout] 5700c56da57f6ce2111eb9946b0664a96d0c5a493d63f669f52879642ce790ea