[INFO] cloning repository https://github.com/archerfeel/azeroth-vm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/archerfeel/azeroth-vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcherfeel%2Fazeroth-vm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcherfeel%2Fazeroth-vm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 963accb23ab668de6f08cfddf3158d199c1f6196
[INFO] documenting archerfeel/azeroth-vm against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcherfeel%2Fazeroth-vm" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/archerfeel/azeroth-vm on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/archerfeel/azeroth-vm
[INFO] finished tweaking git repo https://github.com/archerfeel/azeroth-vm
[INFO] tweaked toml for git repo https://github.com/archerfeel/azeroth-vm written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe033b528cee62fe632689cbbbf064405e220d4a1d52d0e4a1c86d874362408a
[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" "fe033b528cee62fe632689cbbbf064405e220d4a1d52d0e4a1c86d874362408a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe033b528cee62fe632689cbbbf064405e220d4a1d52d0e4a1c86d874362408a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe033b528cee62fe632689cbbbf064405e220d4a1d52d0e4a1c86d874362408a", kill_on_drop: false }`
[INFO] [stdout] fe033b528cee62fe632689cbbbf064405e220d4a1d52d0e4a1c86d874362408a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTDOCFLAGS=--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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5e888914a36e92c71fe7c326c6c1eeff0b1241b72ba55b1aaab3ad62136aadeb
[INFO] running `Command { std: "docker" "start" "-a" "5e888914a36e92c71fe7c326c6c1eeff0b1241b72ba55b1aaab3ad62136aadeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking adler v0.2.2
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking podio v0.1.7
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking msdos_time v0.1.6
[INFO] [stderr]     Checking zip v0.3.3
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking chashmap v2.2.2
[INFO] [stderr]     Checking azeroth-vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting azeroth-vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `field::Field`
[INFO] [stdout]  --> src/mem/klass.rs:2:37
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::bytecode::{class::Class, field::Field, method::Method};
[INFO] [stdout]   |                                     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `atom::*`
[INFO] [stdout]  --> src/mem/stack.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::bytecode::{atom::*, method::Method};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `heap::*`
[INFO] [stdout]  --> src/interpreter/mod.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::mem::{heap::*, klass::*, metaspace::*, stack::*, *};
[INFO] [stdout]   |                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current`
[INFO] [stdout]    --> src/mem/klass.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |         current: &Class,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `superclass`
[INFO] [stdout]    --> src/mem/klass.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |         superclass: &Option<Arc<Klass>>,
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_superclass`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `access_flag`
[INFO] [stdout]   --> src/mem/stack.rs:34:33
[INFO] [stdout]    |
[INFO] [stdout] 34 |             let (_, descriptor, access_flag) = &frame.method.get_name_and_descriptor();
[INFO] [stdout]    |                                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_access_flag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/interpreter/mod.rs:363:26
[INFO] [stdout]     |
[INFO] [stdout] 363 |                 let (c, (f, t)) = klass.bytecode.constant_pool.get_javaref(field_idx);
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/interpreter/mod.rs:363:29
[INFO] [stdout]     |
[INFO] [stdout] 363 |                 let (c, (f, t)) = klass.bytecode.constant_pool.get_javaref(field_idx);
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack`
[INFO] [stdout]    --> src/interpreter/mod.rs:500:21
[INFO] [stdout]     |
[INFO] [stdout] 500 | fn handle_exception(stack: &mut JavaStack, throwable: String, pc: usize) -> usize {
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `throwable`
[INFO] [stdout]    --> src/interpreter/mod.rs:500:44
[INFO] [stdout]     |
[INFO] [stdout] 500 | fn handle_exception(stack: &mut JavaStack, throwable: String, pc: usize) -> usize {
[INFO] [stdout]     |                                            ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_throwable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mem/klass.rs:168:13
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let mut ftable = HashMap::<RefKey, (usize, usize)>::new();
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `access_flag`
[INFO] [stdout]  --> src/bytecode/class.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     access_flag: U2,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `init_value`
[INFO] [stdout]   --> src/bytecode/field.rs:99:4
[INFO] [stdout]    |
[INFO] [stdout] 99 | fn init_value(access_flag: u16, descriptor: &str) -> Option<Value> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ACC_PRIVATE`
[INFO] [stdout]  --> src/bytecode/method.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | const ACC_PRIVATE: U2 = 0x0002; // Declared private; accessible only within the defining class.
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ACC_BRIDGE`
[INFO] [stdout]   --> src/bytecode/method.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | const ACC_BRIDGE: U2 = 0x0040; // A bridge method, generated by the compiler.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ACC_VARARGS`
[INFO] [stdout]   --> src/bytecode/method.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | const ACC_VARARGS: U2 = 0x0080; // Declared with variable number of arguments.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ACC_ABSTRACT`
[INFO] [stdout]   --> src/bytecode/method.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | const ACC_ABSTRACT: U2 = 0x0400; // Declared abstract; no implementation is provided.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ACC_STRICT`
[INFO] [stdout]   --> src/bytecode/method.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | const ACC_STRICT: U2 = 0x0800; // Declared strictfp; floating-point mode is FPstrict.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ACC_SYNTHETIC`
[INFO] [stdout]   --> src/bytecode/method.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | const ACC_SYNTHETIC: U2 = 0x1000; // Declared synthetic; not present in the source code.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `payload`
[INFO] [stdout]   --> src/mem/klass.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     payload: *mut u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `len`
[INFO] [stdout]   --> src/mem/klass.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     len: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `handle_exception`
[INFO] [stdout]    --> src/interpreter/mod.rs:500:4
[INFO] [stdout]     |
[INFO] [stdout] 500 | fn handle_exception(stack: &mut JavaStack, throwable: String, pc: usize) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.07s
[INFO] running `Command { std: "docker" "inspect" "5e888914a36e92c71fe7c326c6c1eeff0b1241b72ba55b1aaab3ad62136aadeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e888914a36e92c71fe7c326c6c1eeff0b1241b72ba55b1aaab3ad62136aadeb", kill_on_drop: false }`
[INFO] [stdout] 5e888914a36e92c71fe7c326c6c1eeff0b1241b72ba55b1aaab3ad62136aadeb