[INFO] crate adapton 0.3.31 is already in cache [INFO] checking adapton-0.3.31 against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766 [INFO] extracting crate adapton 0.3.31 into /workspace/builds/worker-11/source [INFO] validating manifest of crates.io crate adapton 0.3.31 on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c [INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate adapton 0.3.31 [INFO] finished tweaking crates.io crate adapton 0.3.31 [INFO] tweaked toml for crates.io crate adapton 0.3.31 written to /workspace/builds/worker-11/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 195f7194bde6e5b7c3745dbfb64ffcc2f54f0ad8b65ea82035b6e210a1a93926 [INFO] running `"docker" "start" "-a" "195f7194bde6e5b7c3745dbfb64ffcc2f54f0ad8b65ea82035b6e210a1a93926"` [INFO] [stderr] Checking adapton v0.3.31 (/opt/rustwide/workdir) [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/catalog/trie.rs:270:9 [INFO] [stderr] | [INFO] [stderr] 269 | let root_mfn_art = panic!("todo"); //put(Self::root_mfn(nm.clone(), nm_, trie, elt)); [INFO] [stderr] | -------------- any code following this expression is unreachable [INFO] [stderr] 270 | Self::name(nm, Self::art(root_mfn_art)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/catalog/trie.rs:270:9 [INFO] [stderr] | [INFO] [stderr] 269 | let root_mfn_art = panic!("todo"); //put(Self::root_mfn(nm.clone(), nm_, trie, elt)); [INFO] [stderr] | -------------- any code following this expression is unreachable [INFO] [stderr] 270 | Self::name(nm, Self::art(root_mfn_art)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused variable: `nm` [INFO] [stderr] --> src/catalog/trie.rs:267:14 [INFO] [stderr] | [INFO] [stderr] 267 | let (nm, nm_) = name_fork(nm); [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_nm` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `nm_` [INFO] [stderr] --> src/catalog/trie.rs:267:18 [INFO] [stderr] | [INFO] [stderr] 267 | let (nm, nm_) = name_fork(nm); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_nm_` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `root_mfn_art` [INFO] [stderr] --> src/catalog/trie.rs:269:13 [INFO] [stderr] | [INFO] [stderr] 269 | let root_mfn_art = panic!("todo"); //put(Self::root_mfn(nm.clone(), nm_, trie, elt)); [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_root_mfn_art` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `trie` [INFO] [stderr] --> src/catalog/trie.rs:266:25 [INFO] [stderr] | [INFO] [stderr] 266 | fn extend(nm: Name, trie: Self, elt: X) -> Self { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_trie` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `elt` [INFO] [stderr] --> src/catalog/trie.rs:266:37 [INFO] [stderr] | [INFO] [stderr] 266 | fn extend(nm: Name, trie: Self, elt: X) -> Self { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_elt` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `nm` [INFO] [stderr] --> src/catalog/trie.rs:267:14 [INFO] [stderr] | [INFO] [stderr] 267 | let (nm, nm_) = name_fork(nm); [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_nm` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `nm_` [INFO] [stderr] --> src/catalog/trie.rs:267:18 [INFO] [stderr] | [INFO] [stderr] 267 | let (nm, nm_) = name_fork(nm); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_nm_` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `root_mfn_art` [INFO] [stderr] --> src/catalog/trie.rs:269:13 [INFO] [stderr] | [INFO] [stderr] 269 | let root_mfn_art = panic!("todo"); //put(Self::root_mfn(nm.clone(), nm_, trie, elt)); [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_root_mfn_art` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `trie` [INFO] [stderr] --> src/catalog/trie.rs:266:25 [INFO] [stderr] | [INFO] [stderr] 266 | fn extend(nm: Name, trie: Self, elt: X) -> Self { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_trie` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `elt` [INFO] [stderr] --> src/catalog/trie.rs:266:37 [INFO] [stderr] | [INFO] [stderr] 266 | fn extend(nm: Name, trie: Self, elt: X) -> Self { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_elt` [INFO] [stderr] [INFO] [stderr] warning: function cannot return without recursing [INFO] [stderr] --> src/engine.rs:2810:5 [INFO] [stderr] | [INFO] [stderr] 2810 | fn explore_rec(cur_n:usize) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing [INFO] [stderr] ... [INFO] [stderr] 2813 | let mut av = explore_rec(a); [INFO] [stderr] | -------------- recursive call site [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/engine.rs:2809:12 [INFO] [stderr] | [INFO] [stderr] 2809 | #[warn(unconditional_recursion)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] = help: a `loop` may express intention better if this is on purpose [INFO] [stderr] [INFO] [stderr] warning: function is never used: `explore_rec` [INFO] [stderr] --> src/engine.rs:2810:8 [INFO] [stderr] | [INFO] [stderr] 2810 | fn explore_rec(cur_n:usize) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.33s [INFO] running `"docker" "inspect" "195f7194bde6e5b7c3745dbfb64ffcc2f54f0ad8b65ea82035b6e210a1a93926"` [INFO] running `"docker" "rm" "-f" "195f7194bde6e5b7c3745dbfb64ffcc2f54f0ad8b65ea82035b6e210a1a93926"` [INFO] [stdout] 195f7194bde6e5b7c3745dbfb64ffcc2f54f0ad8b65ea82035b6e210a1a93926