[INFO] cloning repository https://github.com/Gustrb/npjava
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Gustrb/npjava" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGustrb%2Fnpjava", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGustrb%2Fnpjava'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be11ae32b4f73aba34666f9c593ce29406232b1f
[INFO] checking Gustrb/npjava against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGustrb%2Fnpjava" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Gustrb/npjava
[INFO] finished tweaking git repo https://github.com/Gustrb/npjava
[INFO] tweaked toml for git repo https://github.com/Gustrb/npjava written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Gustrb/npjava on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Gustrb/npjava already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 01bb49d4853a7a6e75dad9a8e99d0a2e2f3fceb92991c93ff1642f856921e807
[INFO] running `Command { std: "docker" "start" "01bb49d4853a7a6e75dad9a8e99d0a2e2f3fceb92991c93ff1642f856921e807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01bb49d4853a7a6e75dad9a8e99d0a2e2f3fceb92991c93ff1642f856921e807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "01bb49d4853a7a6e75dad9a8e99d0a2e2f3fceb92991c93ff1642f856921e807" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01bb49d4853a7a6e75dad9a8e99d0a2e2f3fceb92991c93ff1642f856921e807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "01bb49d4853a7a6e75dad9a8e99d0a2e2f3fceb92991c93ff1642f856921e807" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking npjava v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bytecode/mod.rs:117:75
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn parse_fields(parsed_bytecode: &mut ParsedBytecode, bytecode: &Vec<u8>, mut offset: usize) -> Result<usize, String> {
[INFO] [stdout]     |                                                                           ----^^^^^^
[INFO] [stdout]     |                                                                           |
[INFO] [stdout]     |                                                                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytecode`
[INFO] [stdout]    --> src/bytecode/mod.rs:117:55
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn parse_fields(parsed_bytecode: &mut ParsedBytecode, bytecode: &Vec<u8>, mut offset: usize) -> Result<usize, String> {
[INFO] [stdout]     |                                                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytecode`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `descriptor`
[INFO] [stdout]   --> src/codegen/x86_64.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let descriptor = parsed_bytecode
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_descriptor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/codegen/x86_64.rs:80:44
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn emit_invoke_virtual(asm: &mut Assembly, index: u16, parsed_bytecode: &crate::bytecode::ParsedBytecode) -> Result<(), String> {
[INFO] [stdout]    |                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parsed_bytecode`
[INFO] [stdout]   --> src/codegen/x86_64.rs:80:56
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn emit_invoke_virtual(asm: &mut Assembly, index: u16, parsed_bytecode: &crate::bytecode::ParsedBytecode) -> Result<(), String> {
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parsed_bytecode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parsed_bytecode`
[INFO] [stdout]   --> src/codegen/x86_64.rs:86:33
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn emit_ret(asm: &mut Assembly, parsed_bytecode: &crate::bytecode::ParsedBytecode) -> Result<(), String> {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parsed_bytecode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `u16`
[INFO] [stdout]   --> src/codegen/x86_64.rs:73:82
[INFO] [stdout]    |
[INFO] [stdout] 73 |     ds.elements.push(parsed_bytecode.constant_pool.find_utf8_constant_pool_entry(str.string_index.into())?.bytes.clone());
[INFO] [stdout]    |                                                                                  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 73 -     ds.elements.push(parsed_bytecode.constant_pool.find_utf8_constant_pool_entry(str.string_index.into())?.bytes.clone());
[INFO] [stdout] 73 +     ds.elements.push(parsed_bytecode.constant_pool.find_utf8_constant_pool_entry(str.string_index)?.bytes.clone());
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 73 -     ds.elements.push(parsed_bytecode.constant_pool.find_utf8_constant_pool_entry(str.string_index.into())?.bytes.clone());
[INFO] [stdout] 73 +     ds.elements.push(parsed_bytecode.constant_pool.find_utf8_constant_pool_entry(<u16 as Into<_>>::into(str.string_index))?.bytes.clone());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `u16`
[INFO] [stdout]   --> src/codegen/x86_64.rs:76:86
[INFO] [stdout]    |
[INFO] [stdout] 76 |     asm.emit_mov("rdx", &parsed_bytecode.constant_pool.find_utf8_constant_pool_entry(str.string_index.into())?.bytes.len().to_string...
[INFO] [stdout]    |                                                                                      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 76 -     asm.emit_mov("rdx", &parsed_bytecode.constant_pool.find_utf8_constant_pool_entry(str.string_index.into())?.bytes.len().to_string());
[INFO] [stdout] 76 +     asm.emit_mov("rdx", &parsed_bytecode.constant_pool.find_utf8_constant_pool_entry(str.string_index)?.bytes.len().to_string());
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 76 -     asm.emit_mov("rdx", &parsed_bytecode.constant_pool.find_utf8_constant_pool_entry(str.string_index.into())?.bytes.len().to_string());
[INFO] [stdout] 76 +     asm.emit_mov("rdx", &parsed_bytecode.constant_pool.find_utf8_constant_pool_entry(<u16 as Into<_>>::into(str.string_index))?.bytes.len().to_string());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `npjava` (bin "npjava" test) due to 2 previous errors; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bytecode/mod.rs:117:75
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn parse_fields(parsed_bytecode: &mut ParsedBytecode, bytecode: &Vec<u8>, mut offset: usize) -> Result<usize, String> {
[INFO] [stdout]     |                                                                           ----^^^^^^
[INFO] [stdout]     |                                                                           |
[INFO] [stdout]     |                                                                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytecode`
[INFO] [stdout]    --> src/bytecode/mod.rs:117:55
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn parse_fields(parsed_bytecode: &mut ParsedBytecode, bytecode: &Vec<u8>, mut offset: usize) -> Result<usize, String> {
[INFO] [stdout]     |                                                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytecode`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `descriptor`
[INFO] [stdout]   --> src/codegen/x86_64.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let descriptor = parsed_bytecode
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_descriptor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/codegen/x86_64.rs:80:44
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn emit_invoke_virtual(asm: &mut Assembly, index: u16, parsed_bytecode: &crate::bytecode::ParsedBytecode) -> Result<(), String> {
[INFO] [stdout]    |                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parsed_bytecode`
[INFO] [stdout]   --> src/codegen/x86_64.rs:80:56
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn emit_invoke_virtual(asm: &mut Assembly, index: u16, parsed_bytecode: &crate::bytecode::ParsedBytecode) -> Result<(), String> {
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parsed_bytecode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parsed_bytecode`
[INFO] [stdout]   --> src/codegen/x86_64.rs:86:33
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn emit_ret(asm: &mut Assembly, parsed_bytecode: &crate::bytecode::ParsedBytecode) -> Result<(), String> {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parsed_bytecode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `u16`
[INFO] [stdout]   --> src/codegen/x86_64.rs:73:82
[INFO] [stdout]    |
[INFO] [stdout] 73 |     ds.elements.push(parsed_bytecode.constant_pool.find_utf8_constant_pool_entry(str.string_index.into())?.bytes.clone());
[INFO] [stdout]    |                                                                                  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 73 -     ds.elements.push(parsed_bytecode.constant_pool.find_utf8_constant_pool_entry(str.string_index.into())?.bytes.clone());
[INFO] [stdout] 73 +     ds.elements.push(parsed_bytecode.constant_pool.find_utf8_constant_pool_entry(str.string_index)?.bytes.clone());
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 73 -     ds.elements.push(parsed_bytecode.constant_pool.find_utf8_constant_pool_entry(str.string_index.into())?.bytes.clone());
[INFO] [stdout] 73 +     ds.elements.push(parsed_bytecode.constant_pool.find_utf8_constant_pool_entry(<u16 as Into<_>>::into(str.string_index))?.bytes.clone());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `u16`
[INFO] [stdout]   --> src/codegen/x86_64.rs:76:86
[INFO] [stdout]    |
[INFO] [stdout] 76 |     asm.emit_mov("rdx", &parsed_bytecode.constant_pool.find_utf8_constant_pool_entry(str.string_index.into())?.bytes.len().to_string...
[INFO] [stdout]    |                                                                                      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 76 -     asm.emit_mov("rdx", &parsed_bytecode.constant_pool.find_utf8_constant_pool_entry(str.string_index.into())?.bytes.len().to_string());
[INFO] [stdout] 76 +     asm.emit_mov("rdx", &parsed_bytecode.constant_pool.find_utf8_constant_pool_entry(str.string_index)?.bytes.len().to_string());
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 76 -     asm.emit_mov("rdx", &parsed_bytecode.constant_pool.find_utf8_constant_pool_entry(str.string_index.into())?.bytes.len().to_string());
[INFO] [stdout] 76 +     asm.emit_mov("rdx", &parsed_bytecode.constant_pool.find_utf8_constant_pool_entry(<u16 as Into<_>>::into(str.string_index))?.bytes.len().to_string());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `npjava` (bin "npjava") due to 2 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "01bb49d4853a7a6e75dad9a8e99d0a2e2f3fceb92991c93ff1642f856921e807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01bb49d4853a7a6e75dad9a8e99d0a2e2f3fceb92991c93ff1642f856921e807", kill_on_drop: false }`
[INFO] [stdout] 01bb49d4853a7a6e75dad9a8e99d0a2e2f3fceb92991c93ff1642f856921e807
