[INFO] cloning repository https://github.com/Nanoteck137/kira
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nanoteck137/kira" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNanoteck137%2Fkira", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNanoteck137%2Fkira'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f9c4466e5a3a93158131cdff0104884891c1c2a
[INFO] checking Nanoteck137/kira against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNanoteck137%2Fkira" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Nanoteck137/kira
[INFO] finished tweaking git repo https://github.com/Nanoteck137/kira
[INFO] tweaked toml for git repo https://github.com/Nanoteck137/kira written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Nanoteck137/kira on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Nanoteck137/kira 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50182881c8cbc7835b5ce55a6b14b84cd695e3905c2c3b804641540ef82e4ed9
[INFO] running `Command { std: "docker" "start" "-a" "50182881c8cbc7835b5ce55a6b14b84cd695e3905c2c3b804641540ef82e4ed9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50182881c8cbc7835b5ce55a6b14b84cd695e3905c2c3b804641540ef82e4ed9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50182881c8cbc7835b5ce55a6b14b84cd695e3905c2c3b804641540ef82e4ed9", kill_on_drop: false }`
[INFO] [stdout] 50182881c8cbc7835b5ce55a6b14b84cd695e3905c2c3b804641540ef82e4ed9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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 -Dunmustuse_in_always_ok" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68f9de1823e327a140baea0d491f6b02a0ba8540f9c71e3f3c1489a1a78a02aa
[INFO] running `Command { std: "docker" "start" "-a" "68f9de1823e327a140baea0d491f6b02a0ba8540f9c71e3f3c1489a1a78a02aa", kill_on_drop: false }`
[INFO] [stderr]     Checking kira v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]    --> src/cpu/mod.rs:391:34
[INFO] [stdout]     |
[INFO] [stdout] 391 |             Instruction::Csrrc { rd, rs1, csr } => { todo!(); }
[INFO] [stdout]     |                                  ^^ help: try ignoring the field: `rd: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rs1`
[INFO] [stdout]    --> src/cpu/mod.rs:391:38
[INFO] [stdout]     |
[INFO] [stdout] 391 |             Instruction::Csrrc { rd, rs1, csr } => { todo!(); }
[INFO] [stdout]     |                                      ^^^ help: try ignoring the field: `rs1: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `csr`
[INFO] [stdout]    --> src/cpu/mod.rs:391:43
[INFO] [stdout]     |
[INFO] [stdout] 391 |             Instruction::Csrrc { rd, rs1, csr } => { todo!(); }
[INFO] [stdout]     |                                           ^^^ help: try ignoring the field: `csr: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]    --> src/cpu/mod.rs:402:35
[INFO] [stdout]     |
[INFO] [stdout] 402 |             Instruction::Csrrsi { rd, uimm, csr } => { todo!(); }
[INFO] [stdout]     |                                   ^^ help: try ignoring the field: `rd: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uimm`
[INFO] [stdout]    --> src/cpu/mod.rs:402:39
[INFO] [stdout]     |
[INFO] [stdout] 402 |             Instruction::Csrrsi { rd, uimm, csr } => { todo!(); }
[INFO] [stdout]     |                                       ^^^^ help: try ignoring the field: `uimm: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `csr`
[INFO] [stdout]    --> src/cpu/mod.rs:402:45
[INFO] [stdout]     |
[INFO] [stdout] 402 |             Instruction::Csrrsi { rd, uimm, csr } => { todo!(); }
[INFO] [stdout]     |                                             ^^^ help: try ignoring the field: `csr: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]    --> src/cpu/mod.rs:403:35
[INFO] [stdout]     |
[INFO] [stdout] 403 |             Instruction::Csrrci { rd, uimm, csr } => { todo!(); }
[INFO] [stdout]     |                                   ^^ help: try ignoring the field: `rd: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uimm`
[INFO] [stdout]    --> src/cpu/mod.rs:403:39
[INFO] [stdout]     |
[INFO] [stdout] 403 |             Instruction::Csrrci { rd, uimm, csr } => { todo!(); }
[INFO] [stdout]     |                                       ^^^^ help: try ignoring the field: `uimm: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `csr`
[INFO] [stdout]    --> src/cpu/mod.rs:403:45
[INFO] [stdout]     |
[INFO] [stdout] 403 |             Instruction::Csrrci { rd, uimm, csr } => { todo!(); }
[INFO] [stdout]     |                                             ^^^ help: try ignoring the field: `csr: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let mut path = PathBuf::from("./test/a.out"); 
[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: `rd`
[INFO] [stdout]    --> src/cpu/mod.rs:391:34
[INFO] [stdout]     |
[INFO] [stdout] 391 |             Instruction::Csrrc { rd, rs1, csr } => { todo!(); }
[INFO] [stdout]     |                                  ^^ help: try ignoring the field: `rd: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rs1`
[INFO] [stdout]    --> src/cpu/mod.rs:391:38
[INFO] [stdout]     |
[INFO] [stdout] 391 |             Instruction::Csrrc { rd, rs1, csr } => { todo!(); }
[INFO] [stdout]     |                                      ^^^ help: try ignoring the field: `rs1: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `csr`
[INFO] [stdout]    --> src/cpu/mod.rs:391:43
[INFO] [stdout]     |
[INFO] [stdout] 391 |             Instruction::Csrrc { rd, rs1, csr } => { todo!(); }
[INFO] [stdout]     |                                           ^^^ help: try ignoring the field: `csr: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]    --> src/cpu/mod.rs:402:35
[INFO] [stdout]     |
[INFO] [stdout] 402 |             Instruction::Csrrsi { rd, uimm, csr } => { todo!(); }
[INFO] [stdout]     |                                   ^^ help: try ignoring the field: `rd: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uimm`
[INFO] [stdout]    --> src/cpu/mod.rs:402:39
[INFO] [stdout]     |
[INFO] [stdout] 402 |             Instruction::Csrrsi { rd, uimm, csr } => { todo!(); }
[INFO] [stdout]     |                                       ^^^^ help: try ignoring the field: `uimm: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `csr`
[INFO] [stdout]    --> src/cpu/mod.rs:402:45
[INFO] [stdout]     |
[INFO] [stdout] 402 |             Instruction::Csrrsi { rd, uimm, csr } => { todo!(); }
[INFO] [stdout]     |                                             ^^^ help: try ignoring the field: `csr: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]    --> src/cpu/mod.rs:403:35
[INFO] [stdout]     |
[INFO] [stdout] 403 |             Instruction::Csrrci { rd, uimm, csr } => { todo!(); }
[INFO] [stdout]     |                                   ^^ help: try ignoring the field: `rd: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uimm`
[INFO] [stdout]    --> src/cpu/mod.rs:403:39
[INFO] [stdout]     |
[INFO] [stdout] 403 |             Instruction::Csrrci { rd, uimm, csr } => { todo!(); }
[INFO] [stdout]     |                                       ^^^^ help: try ignoring the field: `uimm: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `csr`
[INFO] [stdout]    --> src/cpu/mod.rs:403:45
[INFO] [stdout]     |
[INFO] [stdout] 403 |             Instruction::Csrrci { rd, uimm, csr } => { todo!(); }
[INFO] [stdout]     |                                             ^^^ help: try ignoring the field: `csr: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]    --> src/elf.rs:456:41
[INFO] [stdout]     |
[INFO] [stdout] 456 |         let string_table_index: usize = string_table_index.try_into()
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]    --> src/elf.rs:462:25
[INFO] [stdout]     |
[INFO] [stdout] 462 |             entry_size: program_header_entry_size.try_into()
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]    --> src/elf.rs:464:26
[INFO] [stdout]     |
[INFO] [stdout] 464 |             num_entries: num_program_header_entries.try_into()
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]    --> src/elf.rs:471:25
[INFO] [stdout]     |
[INFO] [stdout] 471 |             entry_size: section_header_entry_size.try_into()
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]    --> src/elf.rs:473:26
[INFO] [stdout]     |
[INFO] [stdout] 473 |             num_entries: num_section_header_entries.try_into()
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/elf.rs:504:32
[INFO] [stdout]     |
[INFO] [stdout] 504 |     pub fn program_header_iter(&self) -> ProgramHeaderIter {
[INFO] [stdout]     |                                ^^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 504 |     pub fn program_header_iter(&self) -> ProgramHeaderIter<'_> {
[INFO] [stdout]     |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let mut path = PathBuf::from("./test/a.out"); 
[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] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]    --> src/elf.rs:456:41
[INFO] [stdout]     |
[INFO] [stdout] 456 |         let string_table_index: usize = string_table_index.try_into()
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kira` (bin "kira") due to 5 previous errors; 11 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]    --> src/elf.rs:462:25
[INFO] [stdout]     |
[INFO] [stdout] 462 |             entry_size: program_header_entry_size.try_into()
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]    --> src/elf.rs:464:26
[INFO] [stdout]     |
[INFO] [stdout] 464 |             num_entries: num_program_header_entries.try_into()
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]    --> src/elf.rs:471:25
[INFO] [stdout]     |
[INFO] [stdout] 471 |             entry_size: section_header_entry_size.try_into()
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]    --> src/elf.rs:473:26
[INFO] [stdout]     |
[INFO] [stdout] 473 |             num_entries: num_section_header_entries.try_into()
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/elf.rs:504:32
[INFO] [stdout]     |
[INFO] [stdout] 504 |     pub fn program_header_iter(&self) -> ProgramHeaderIter {
[INFO] [stdout]     |                                ^^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 504 |     pub fn program_header_iter(&self) -> ProgramHeaderIter<'_> {
[INFO] [stdout]     |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kira` (bin "kira" test) due to 5 previous errors; 11 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "68f9de1823e327a140baea0d491f6b02a0ba8540f9c71e3f3c1489a1a78a02aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68f9de1823e327a140baea0d491f6b02a0ba8540f9c71e3f3c1489a1a78a02aa", kill_on_drop: false }`
[INFO] [stdout] 68f9de1823e327a140baea0d491f6b02a0ba8540f9c71e3f3c1489a1a78a02aa
