[INFO] fetching crate rsubs-lib 0.1.7...
[INFO] checking rsubs-lib-0.1.7 against try#024378d9203a4009ed73d6db2681b88a8d74ce7a for pr-112160
[INFO] extracting crate rsubs-lib 0.1.7 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate rsubs-lib 0.1.7 on toolchain 024378d9203a4009ed73d6db2681b88a8d74ce7a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rsubs-lib 0.1.7
[INFO] finished tweaking crates.io crate rsubs-lib 0.1.7
[INFO] tweaked toml for crates.io crate rsubs-lib 0.1.7 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate rsubs-lib 0.1.7 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" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 810f3d7269b3c9a39273ce68717021fbce005e59a20788f60bee6d7c9af2b64d
[INFO] running `Command { std: "docker" "start" "-a" "810f3d7269b3c9a39273ce68717021fbce005e59a20788f60bee6d7c9af2b64d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "810f3d7269b3c9a39273ce68717021fbce005e59a20788f60bee6d7c9af2b64d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "810f3d7269b3c9a39273ce68717021fbce005e59a20788f60bee6d7c9af2b64d", kill_on_drop: false }`
[INFO] [stdout] 810f3d7269b3c9a39273ce68717021fbce005e59a20788f60bee6d7c9af2b64d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32807fbf197e2cb7a8edcdfdac4a9143b0d9f38a8c1146273659383ad8ed01fc
[INFO] running `Command { std: "docker" "start" "-a" "32807fbf197e2cb7a8edcdfdac4a9143b0d9f38a8c1146273659383ad8ed01fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking rsubs-lib v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] error: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/ssa.rs:462:64
[INFO] [stdout]     |
[INFO] [stdout] 462 |                     .map(|x| x.strip_prefix("Style: ").unwrap().borrow())
[INFO] [stdout]     |                                                                ^^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Borrow`, so calling `borrow` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[deny(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/ssa.rs:674:60
[INFO] [stdout]     |
[INFO] [stdout] 674 |                 .map(|x| x.strip_prefix("Style: ").unwrap().borrow())
[INFO] [stdout]     |                                                            ^^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Borrow`, so calling `borrow` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/ssa.rs:462:64
[INFO] [stdout]     |
[INFO] [stdout] 462 |                     .map(|x| x.strip_prefix("Style: ").unwrap().borrow())
[INFO] [stdout]     |                                                                ^^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Borrow`, so calling `borrow` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[deny(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/ssa.rs:674:60
[INFO] [stdout]     |
[INFO] [stdout] 674 |                 .map(|x| x.strip_prefix("Style: ").unwrap().borrow())
[INFO] [stdout]     |                                                            ^^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Borrow`, so calling `borrow` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rsubs-lib` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rsubs-lib` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "32807fbf197e2cb7a8edcdfdac4a9143b0d9f38a8c1146273659383ad8ed01fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32807fbf197e2cb7a8edcdfdac4a9143b0d9f38a8c1146273659383ad8ed01fc", kill_on_drop: false }`
[INFO] [stdout] 32807fbf197e2cb7a8edcdfdac4a9143b0d9f38a8c1146273659383ad8ed01fc