[INFO] crate adapton 0.3.31 is already in cache
[INFO] checking adapton-0.3.31 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate adapton 0.3.31 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate adapton 0.3.31 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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] df614629b69e351f5c26edac17424bc9a413503691d4a2b60eff6c8614913789
[INFO] running `"docker" "start" "-a" "df614629b69e351f5c26edac17424bc9a413503691d4a2b60eff6c8614913789"`
[INFO] [stderr]     Checking adapton v0.3.31 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]     --> src/engine.rs:263:9
[INFO] [stderr]      |
[INFO] [stderr] 263  |         /// An effect without an extent (without nested effects)
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr] ...
[INFO] [stderr] 1020 |                 dcg_effect!(reflect::trace::Effect::CleanEdge, Some(loc), succ);
[INFO] [stderr]      |                 ---------------------------------------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]     --> src/engine.rs:263:9
[INFO] [stderr]      |
[INFO] [stderr] 263  |         /// An effect without an extent (without nested effects)
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr] ...
[INFO] [stderr] 1268 |         dcg_effect!(reflect::trace::Effect::Remove, Some(src), succ);
[INFO] [stderr]      |         ------------------------------------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]     --> src/engine.rs:263:9
[INFO] [stderr]      |
[INFO] [stderr] 263  |           /// An effect without an extent (without nested effects)
[INFO] [stderr]      |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr] ...
[INFO] [stderr] 1843 | /                         dcg_effect!(
[INFO] [stderr] 1844 | |                             // TODO-Someday: Reflect the fact that we are doing a mapping here
[INFO] [stderr] 1845 | |                             reflect::trace::Effect::Force(reflect::trace::ForceCase::RefGet),
[INFO] [stderr] 1846 | |                             current_loc!(*g.borrow()),
[INFO] [stderr] ...    |
[INFO] [stderr] 1852 | |                                 is_dup:false,
[INFO] [stderr] 1853 | |                             });
[INFO] [stderr]      | |_______________________________- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]     --> src/engine.rs:263:9
[INFO] [stderr]      |
[INFO] [stderr] 263  |           /// An effect without an extent (without nested effects)
[INFO] [stderr]      |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr] ...
[INFO] [stderr] 1910 | /                         dcg_effect!(
[INFO] [stderr] 1911 | |                             // TODO-Someday: Reflect the fact that we are doing a mapping here
[INFO] [stderr] 1912 | |                             reflect::trace::Effect::Force(reflect::trace::ForceCase::RefGet),
[INFO] [stderr] 1913 | |                             current_loc!(*g.borrow()),
[INFO] [stderr] ...    |
[INFO] [stderr] 1919 | |                                 is_dup:false,
[INFO] [stderr] 1920 | |                             });
[INFO] [stderr]      | |_______________________________- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]     --> src/engine.rs:263:9
[INFO] [stderr]      |
[INFO] [stderr] 263  |           /// An effect without an extent (without nested effects)
[INFO] [stderr]      |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr] ...
[INFO] [stderr] 2056 | /                             dcg_effect!(
[INFO] [stderr] 2057 | |                                 reflect::trace::Effect::Force(reflect::trace::ForceCase::RefGet),
[INFO] [stderr] 2058 | |                                 current_loc!(*g.borrow()),
[INFO] [stderr] 2059 | |                                 reflect::Succ{
[INFO] [stderr] ...    |
[INFO] [stderr] 2064 | |                                     is_dup:is_dup,
[INFO] [stderr] 2065 | |                                 });
[INFO] [stderr]      | |___________________________________- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]     --> src/engine.rs:263:9
[INFO] [stderr]      |
[INFO] [stderr] 263  |         /// An effect without an extent (without nested effects)
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr] ...
[INFO] [stderr] 1020 |                 dcg_effect!(reflect::trace::Effect::CleanEdge, Some(loc), succ);
[INFO] [stderr]      |                 ---------------------------------------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]     --> src/engine.rs:263:9
[INFO] [stderr]      |
[INFO] [stderr] 263  |         /// An effect without an extent (without nested effects)
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr] ...
[INFO] [stderr] 1268 |         dcg_effect!(reflect::trace::Effect::Remove, Some(src), succ);
[INFO] [stderr]      |         ------------------------------------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]     --> src/engine.rs:263:9
[INFO] [stderr]      |
[INFO] [stderr] 263  |           /// An effect without an extent (without nested effects)
[INFO] [stderr]      |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr] ...
[INFO] [stderr] 1843 | /                         dcg_effect!(
[INFO] [stderr] 1844 | |                             // TODO-Someday: Reflect the fact that we are doing a mapping here
[INFO] [stderr] 1845 | |                             reflect::trace::Effect::Force(reflect::trace::ForceCase::RefGet),
[INFO] [stderr] 1846 | |                             current_loc!(*g.borrow()),
[INFO] [stderr] ...    |
[INFO] [stderr] 1852 | |                                 is_dup:false,
[INFO] [stderr] 1853 | |                             });
[INFO] [stderr]      | |_______________________________- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]     --> src/engine.rs:263:9
[INFO] [stderr]      |
[INFO] [stderr] 263  |           /// An effect without an extent (without nested effects)
[INFO] [stderr]      |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr] ...
[INFO] [stderr] 1910 | /                         dcg_effect!(
[INFO] [stderr] 1911 | |                             // TODO-Someday: Reflect the fact that we are doing a mapping here
[INFO] [stderr] 1912 | |                             reflect::trace::Effect::Force(reflect::trace::ForceCase::RefGet),
[INFO] [stderr] 1913 | |                             current_loc!(*g.borrow()),
[INFO] [stderr] ...    |
[INFO] [stderr] 1919 | |                                 is_dup:false,
[INFO] [stderr] 1920 | |                             });
[INFO] [stderr]      | |_______________________________- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]     --> src/engine.rs:263:9
[INFO] [stderr]      |
[INFO] [stderr] 263  |           /// An effect without an extent (without nested effects)
[INFO] [stderr]      |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr] ...
[INFO] [stderr] 2056 | /                             dcg_effect!(
[INFO] [stderr] 2057 | |                                 reflect::trace::Effect::Force(reflect::trace::ForceCase::RefGet),
[INFO] [stderr] 2058 | |                                 current_loc!(*g.borrow()),
[INFO] [stderr] 2059 | |                                 reflect::Succ{
[INFO] [stderr] ...    |
[INFO] [stderr] 2064 | |                                     is_dup:is_dup,
[INFO] [stderr] 2065 | |                                 });
[INFO] [stderr]      | |___________________________________- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z 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] 
[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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_elt`
[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] 
[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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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<usize> {
[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<usize> {
[INFO] [stderr]      |        ^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.64s
[INFO] running `"docker" "inspect" "df614629b69e351f5c26edac17424bc9a413503691d4a2b60eff6c8614913789"`
[INFO] running `"docker" "rm" "-f" "df614629b69e351f5c26edac17424bc9a413503691d4a2b60eff6c8614913789"`
[INFO] [stdout] df614629b69e351f5c26edac17424bc9a413503691d4a2b60eff6c8614913789
