[INFO] fetching crate const-if 0.1.3...
[INFO] checking const-if-0.1.3 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate const-if 0.1.3 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate const-if 0.1.3 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate const-if 0.1.3
[INFO] finished tweaking crates.io crate const-if 0.1.3
[INFO] tweaked toml for crates.io crate const-if 0.1.3 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4b03efb512a9db5c0d8d7311cec95df121cf8124a11b135033e51107a008624
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b4b03efb512a9db5c0d8d7311cec95df121cf8124a11b135033e51107a008624", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4b03efb512a9db5c0d8d7311cec95df121cf8124a11b135033e51107a008624", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4b03efb512a9db5c0d8d7311cec95df121cf8124a11b135033e51107a008624", kill_on_drop: false }`
[INFO] [stdout] b4b03efb512a9db5c0d8d7311cec95df121cf8124a11b135033e51107a008624
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23030ee4f53eff654d4016ead50f572d72a633acc72fd1d0d66ad9b836c66bc2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "23030ee4f53eff654d4016ead50f572d72a633acc72fd1d0d66ad9b836c66bc2", kill_on_drop: false }`
[INFO] [stderr]     Checking const-if v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `min`
[INFO] [stdout]   --> src/lib.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 |     const fn min(x: i32, y: i32) -> i32 {
[INFO] [stdout]    |              ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_zero`
[INFO] [stdout]   --> src/lib.rs:41:14
[INFO] [stdout]    |
[INFO] [stdout] 41 |     const fn is_zero(i: i32) -> &'static str {
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `compare_to_42`
[INFO] [stdout]   --> src/lib.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |     const fn compare_to_42(i: i32) -> &'static str {
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `int_to_str`
[INFO] [stdout]   --> src/lib.rs:56:14
[INFO] [stdout]    |
[INFO] [stdout] 56 |     const fn int_to_str(i: i32) -> &'static str {
[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 0.35s
[INFO] running `Command { std: "docker" "inspect" "23030ee4f53eff654d4016ead50f572d72a633acc72fd1d0d66ad9b836c66bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23030ee4f53eff654d4016ead50f572d72a633acc72fd1d0d66ad9b836c66bc2", kill_on_drop: false }`
[INFO] [stdout] 23030ee4f53eff654d4016ead50f572d72a633acc72fd1d0d66ad9b836c66bc2