[INFO] fetching crate mogi_sleigh 0.1.0...
[INFO] checking mogi_sleigh-0.1.0 against master#507271bc119683008ec719ecee48814e8ac86c65 for pr-146440
[INFO] extracting crate mogi_sleigh 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate mogi_sleigh 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mogi_sleigh 0.1.0
[INFO] tweaked toml for crates.io crate mogi_sleigh 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mogi_sleigh 0.1.0 on toolchain 507271bc119683008ec719ecee48814e8ac86c65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mogi_sleigh 0.1.0 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" "+507271bc119683008ec719ecee48814e8ac86c65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "64725c4a09695f3dc476af5412e07f964693793d3e0f6309223950a840a40391", kill_on_drop: false }`
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[INFO] [stderr]     Checking mogi_sleigh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the `#![feature]` attribute can only be used at the crate root
[INFO] [stdout]  --> benches/benchmark/sleigh_benches.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(get_mut_unchecked)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `custom_op_id`
[INFO] [stdout]   --> benches/benchmark/helpers.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         custom_op_id: CustomOpId,
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_custom_op_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> benches/benchmark/sleigh_benches.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let mut context_stack = ContextStack::new(&spec, &context_provider).unwrap();
[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: variable does not need to be mutable
[INFO] [stdout]    --> benches/benchmark/sleigh_benches.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let mut context_stack = ContextStack::new(&spec, &context_provider).unwrap();
[INFO] [stdout]     |         ----^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `table`
[INFO] [stdout]   --> benches/benchmark/sleigh_benches.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         table,
[INFO] [stdout]    |         ^^^^^ help: try ignoring the field: `table: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes_consumed`
[INFO] [stdout]   --> benches/benchmark/sleigh_benches.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |         bytes_consumed,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: try ignoring the field: `bytes_consumed: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `context_stack`
[INFO] [stdout]    --> benches/benchmark/sleigh_benches.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let mut context_stack = ContextStack::new(&spec, &context_provider).unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context_stack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `table`
[INFO] [stdout]    --> benches/benchmark/sleigh_benches.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |         table,
[INFO] [stdout]     |         ^^^^^ help: try ignoring the field: `table: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes_consumed`
[INFO] [stdout]    --> benches/benchmark/sleigh_benches.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |         bytes_consumed,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: try ignoring the field: `bytes_consumed: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `context_stack`
[INFO] [stdout]    --> benches/benchmark/sleigh_benches.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let mut context_stack = ContextStack::new(&spec, &context_provider).unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context_stack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `table`
[INFO] [stdout]    --> benches/benchmark/sleigh_benches.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |         table,
[INFO] [stdout]     |         ^^^^^ help: try ignoring the field: `table: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes_consumed`
[INFO] [stdout]    --> benches/benchmark/sleigh_benches.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |         bytes_consumed,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: try ignoring the field: `bytes_consumed: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build` is never used
[INFO] [stdout]   --> benches/benchmark/sleigh_benches.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn build(path: String) -> SleighCompilerResult<ProcessorSpecification> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `matching_benchmark` is never used
[INFO] [stdout]   --> benches/benchmark/sleigh_benches.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn matching_benchmark(c: &mut Criterion) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `optimization_benchmark` is never used
[INFO] [stdout]    --> benches/benchmark/sleigh_benches.rs:198:8
[INFO] [stdout]     |
[INFO] [stdout] 198 | pub fn optimization_benchmark(c: &mut Criterion) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `super_let` is declared but not used
[INFO] [stdout]  --> benches/benchmark/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(super_let)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: proc-macro-error2 v2.0.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "64725c4a09695f3dc476af5412e07f964693793d3e0f6309223950a840a40391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64725c4a09695f3dc476af5412e07f964693793d3e0f6309223950a840a40391", kill_on_drop: false }`
[INFO] [stdout] 64725c4a09695f3dc476af5412e07f964693793d3e0f6309223950a840a40391
