[INFO] fetching crate l1_ir 0.0.52...
[INFO] checking l1_ir-0.0.52 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393-1
[INFO] extracting crate l1_ir 0.0.52 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate l1_ir 0.0.52 on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate l1_ir 0.0.52
[INFO] finished tweaking crates.io crate l1_ir 0.0.52
[INFO] tweaked toml for crates.io crate l1_ir 0.0.52 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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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_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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 508e2bfb46e59cb14efa05917593894c84a0f815a142a957a0b0561087156a67
[INFO] running `Command { std: "docker" "start" "-a" "508e2bfb46e59cb14efa05917593894c84a0f815a142a957a0b0561087156a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "508e2bfb46e59cb14efa05917593894c84a0f815a142a957a0b0561087156a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "508e2bfb46e59cb14efa05917593894c84a0f815a142a957a0b0561087156a67", kill_on_drop: false }`
[INFO] [stdout] 508e2bfb46e59cb14efa05917593894c84a0f815a142a957a0b0561087156a67
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae5719ba30e6f9c57d32dcc401a1b10f8dcf6315c92fdb0d0bdccad4ff3c20eb
[INFO] running `Command { std: "docker" "start" "-a" "ae5719ba30e6f9c57d32dcc401a1b10f8dcf6315c92fdb0d0bdccad4ff3c20eb", kill_on_drop: false }`
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[INFO] [stderr]    Compiling target-lexicon v0.12.13
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[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/opt.rs:342:80
[INFO] [stdout]     |
[INFO] [stdout] 342 |                if let Expression::PatternMatch(guard_cond,plrs,_ptt,_span) = xe.borrow() {
[INFO] [stdout]     |                                                                                ^^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `ast::Expression<S>` does not implement `Borrow`, so calling `borrow` on `&ast::Expression<S>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/opt.rs:342:80
[INFO] [stdout]     |
[INFO] [stdout] 342 |                if let Expression::PatternMatch(guard_cond,plrs,_ptt,_span) = xe.borrow() {
[INFO] [stdout]     |                                                                                ^^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `ast::Expression<S>` does not implement `Borrow`, so calling `borrow` on `&ast::Expression<S>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/opt.rs:364:100
[INFO] [stdout]     |
[INFO] [stdout] 364 |                let (lie,_lit) = compile_expr(type_context, stdlib, finfs, jmod, ctx, in_loop, p, xe.borrow());
[INFO] [stdout]     |                                                                                                    ^^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `ast::Expression<S>` does not implement `Borrow`, so calling `borrow` on `&ast::Expression<S>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/opt.rs:364:100
[INFO] [stdout]     |
[INFO] [stdout] 364 |                let (lie,_lit) = compile_expr(type_context, stdlib, finfs, jmod, ctx, in_loop, p, xe.borrow());
[INFO] [stdout]     |                                                                                                    ^^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `ast::Expression<S>` does not implement `Borrow`, so calling `borrow` on `&ast::Expression<S>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/opt.rs:567:93
[INFO] [stdout]     |
[INFO] [stdout] 567 |                let (je,jt) = compile_expr(type_context, stdlib, finfs, jmod, ctx, blk, p, te.borrow());
[INFO] [stdout]     |                                                                                             ^^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `ast::Expression<S>` does not implement `Borrow`, so calling `borrow` on `&ast::Expression<S>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/opt.rs:567:93
[INFO] [stdout]     |
[INFO] [stdout] 567 |                let (je,jt) = compile_expr(type_context, stdlib, finfs, jmod, ctx, blk, p, te.borrow());
[INFO] [stdout]     |                                                                                             ^^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `ast::Expression<S>` does not implement `Borrow`, so calling `borrow` on `&ast::Expression<S>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.80s
[INFO] running `Command { std: "docker" "inspect" "ae5719ba30e6f9c57d32dcc401a1b10f8dcf6315c92fdb0d0bdccad4ff3c20eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae5719ba30e6f9c57d32dcc401a1b10f8dcf6315c92fdb0d0bdccad4ff3c20eb", kill_on_drop: false }`
[INFO] [stdout] ae5719ba30e6f9c57d32dcc401a1b10f8dcf6315c92fdb0d0bdccad4ff3c20eb
