[INFO] cloning repository https://github.com/4gboframram/Fuck-JIT
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/4gboframram/Fuck-JIT" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4gboframram%2FFuck-JIT", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4gboframram%2FFuck-JIT'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1743f8d3300fbba794e4d22e5a937ca14b86f5ee
[INFO] checking 4gboframram/Fuck-JIT 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%2F4gboframram%2FFuck-JIT" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/4gboframram/Fuck-JIT
[INFO] finished tweaking git repo https://github.com/4gboframram/Fuck-JIT
[INFO] tweaked toml for git repo https://github.com/4gboframram/Fuck-JIT written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/4gboframram/Fuck-JIT 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/4gboframram/Fuck-JIT 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ee987c7f6762931bc7313c9caf84cec9704a3811bdf2d3e06c4ca6b91c4c159d
[INFO] running `Command { std: "docker" "start" "-a" "ee987c7f6762931bc7313c9caf84cec9704a3811bdf2d3e06c4ca6b91c4c159d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee987c7f6762931bc7313c9caf84cec9704a3811bdf2d3e06c4ca6b91c4c159d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee987c7f6762931bc7313c9caf84cec9704a3811bdf2d3e06c4ca6b91c4c159d", kill_on_drop: false }`
[INFO] [stdout] ee987c7f6762931bc7313c9caf84cec9704a3811bdf2d3e06c4ca6b91c4c159d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 38872b45f2ec6a7307ed56cc22a5914d1c698d326115ebf5706b53562c436d43
[INFO] running `Command { std: "docker" "start" "-a" "38872b45f2ec6a7307ed56cc22a5914d1c698d326115ebf5706b53562c436d43", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]    Compiling inkwell v0.1.0 (https://github.com/TheDan64/inkwell?branch=master#c71d7edb)
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling llvm-sys v130.0.3
[INFO] [stderr]    Compiling inkwell_internals v0.5.0 (https://github.com/TheDan64/inkwell?branch=master#c71d7edb)
[INFO] [stderr]    Compiling clap_derive v3.1.4
[INFO] [stderr]     Checking clap v3.1.6
[INFO] [stderr]     Checking fuck-jit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `entry_block` is never read
[INFO] [stdout]   --> src/bfjit.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct CodeGen<'ctx> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     entry_block: BasicBlock<'ctx>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CodeGen` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `entry_block` is never read
[INFO] [stdout]   --> src/bfjit.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct CodeGen<'ctx> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     entry_block: BasicBlock<'ctx>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CodeGen` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `body` is never read
[INFO] [stdout]   --> src/bfjit.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Loop<'ctx> {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 30 |     start: BasicBlock<'ctx>,
[INFO] [stdout] 31 |     body: BasicBlock<'ctx>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Loop` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `body` is never read
[INFO] [stdout]   --> src/bfjit.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Loop<'ctx> {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 30 |     start: BasicBlock<'ctx>,
[INFO] [stdout] 31 |     body: BasicBlock<'ctx>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Loop` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     #[clap(short, long, help = "Input file for the compiler.")]
[INFO] [stdout] 13 | |     infile: String,
[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: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     #[clap(short, long, help = "Input file for the compiler.")]
[INFO] [stdout] 13 | |     infile: String,
[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: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | /     #[clap(short, long, help = "Compile Brainfuck to an object or assembly file")]
[INFO] [stdout] 24 | |     outfile: Option<String>,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | /     #[clap(short, long, help = "Compile Brainfuck to an object or assembly file")]
[INFO] [stdout] 24 | |     outfile: Option<String>,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bfjit.rs:74:25
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn finalize_jit(&self) -> Option<JitFunction<MainJitType>> {
[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] 74 |     pub fn finalize_jit(&self) -> Option<JitFunction<'_, MainJitType>> {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bfjit.rs:74:25
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn finalize_jit(&self) -> Option<JitFunction<MainJitType>> {
[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] 74 |     pub fn finalize_jit(&self) -> Option<JitFunction<'_, MainJitType>> {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fuck-jit` (bin "fuck-jit") due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `fuck-jit` (bin "fuck-jit" test) due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "38872b45f2ec6a7307ed56cc22a5914d1c698d326115ebf5706b53562c436d43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38872b45f2ec6a7307ed56cc22a5914d1c698d326115ebf5706b53562c436d43", kill_on_drop: false }`
[INFO] [stdout] 38872b45f2ec6a7307ed56cc22a5914d1c698d326115ebf5706b53562c436d43
