[INFO] fetching crate panmath 0.1.2...
[INFO] checking panmath-0.1.2 against try#024378d9203a4009ed73d6db2681b88a8d74ce7a for pr-112160
[INFO] extracting crate panmath 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate panmath 0.1.2 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 panmath 0.1.2
[INFO] finished tweaking crates.io crate panmath 0.1.2
[INFO] tweaked toml for crates.io crate panmath 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "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" "+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] 52b6ecf3ec5e2decbfb5e75c63171d2467c1ea6c2a3200c57eb0b7dbef0daa8a
[INFO] running `Command { std: "docker" "start" "-a" "52b6ecf3ec5e2decbfb5e75c63171d2467c1ea6c2a3200c57eb0b7dbef0daa8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52b6ecf3ec5e2decbfb5e75c63171d2467c1ea6c2a3200c57eb0b7dbef0daa8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52b6ecf3ec5e2decbfb5e75c63171d2467c1ea6c2a3200c57eb0b7dbef0daa8a", kill_on_drop: false }`
[INFO] [stdout] 52b6ecf3ec5e2decbfb5e75c63171d2467c1ea6c2a3200c57eb0b7dbef0daa8a
[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] e240cfc6bf93101890649424bd49c6dd72282fa146def1766b99138af4709b0b
[INFO] running `Command { std: "docker" "start" "-a" "e240cfc6bf93101890649424bd49c6dd72282fa146def1766b99138af4709b0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking strum v0.22.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling strum_macros v0.22.0
[INFO] [stderr]     Checking panmath v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `operators::Op`
[INFO] [stdout]  --> src/formatters/latex.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     operators::Op,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `operators::Op`
[INFO] [stdout]  --> src/formatters/unicode.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     operators::Op,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DelimKind`
[INFO] [stdout]  --> src/parsers/token.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 |     delimiter::{self, DelimDir, DelimKind, Delimiter},
[INFO] [stdout]   |                                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/lib.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `operators::Op`
[INFO] [stdout]  --> src/formatters/latex.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     operators::Op,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `operators::Op`
[INFO] [stdout]  --> src/formatters/unicode.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     operators::Op,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DelimKind`
[INFO] [stdout]  --> src/parsers/token.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 |     delimiter::{self, DelimDir, DelimKind, Delimiter},
[INFO] [stdout]   |                                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tree`
[INFO] [stdout]   --> src/formatters/unicode.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let tree = ast::AST::BinaryExpr(
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_tree`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/parsers/token.rs:51:29
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut rest = input.clone();
[INFO] [stdout]    |                             ^^^^^^^^ unnecessary method call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` 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 `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/parsers/token.rs:132:25
[INFO] [stdout]     |
[INFO] [stdout] 132 |                     rest.clone(),
[INFO] [stdout]     |                         ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/parsers/token.rs:51:29
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut rest = input.clone();
[INFO] [stdout]    |                             ^^^^^^^^ unnecessary method call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` 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 `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/parsers/token.rs:132:25
[INFO] [stdout]     |
[INFO] [stdout] 132 |                     rest.clone(),
[INFO] [stdout]     |                         ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` 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; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `panmath` (lib) due to 3 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `panmath` (lib test) due to 3 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e240cfc6bf93101890649424bd49c6dd72282fa146def1766b99138af4709b0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e240cfc6bf93101890649424bd49c6dd72282fa146def1766b99138af4709b0b", kill_on_drop: false }`
[INFO] [stdout] e240cfc6bf93101890649424bd49c6dd72282fa146def1766b99138af4709b0b