[INFO] cloning repository https://github.com/JamesWP/compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JamesWP/compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJamesWP%2Fcompiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJamesWP%2Fcompiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c7f4892aba75baead227b30e6c5bb9d5d1b006a
[INFO] checking JamesWP/compiler against try#024378d9203a4009ed73d6db2681b88a8d74ce7a for pr-112160
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJamesWP%2Fcompiler" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JamesWP/compiler 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 git repo https://github.com/JamesWP/compiler
[INFO] finished tweaking git repo https://github.com/JamesWP/compiler
[INFO] tweaked toml for git repo https://github.com/JamesWP/compiler written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JamesWP/compiler 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 9cc72690b4b97411def09ab5aa7cfbc6f4d2f9c4bb568176ba5c06d60460a934
[INFO] running `Command { std: "docker" "start" "-a" "9cc72690b4b97411def09ab5aa7cfbc6f4d2f9c4bb568176ba5c06d60460a934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cc72690b4b97411def09ab5aa7cfbc6f4d2f9c4bb568176ba5c06d60460a934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cc72690b4b97411def09ab5aa7cfbc6f4d2f9c4bb568176ba5c06d60460a934", kill_on_drop: false }`
[INFO] [stdout] 9cc72690b4b97411def09ab5aa7cfbc6f4d2f9c4bb568176ba5c06d60460a934
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 01e14854aaddd50fdbfb3012998739964310d83760867b4ad3707e7fb8d3e34c
[INFO] running `Command { std: "docker" "start" "-a" "01e14854aaddd50fdbfb3012998739964310d83760867b4ad3707e7fb8d3e34c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking object v0.26.2
[INFO] [stderr]     Checking compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/source.rs:30:57
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let mut open_file = std::fs::File::open(filename.clone()).map_err(|err| SourceError {
[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: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `compiler` (bin "compiler") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/source.rs:30:57
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let mut open_file = std::fs::File::open(filename.clone()).map_err(|err| SourceError {
[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: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `compiler` (bin "compiler" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "01e14854aaddd50fdbfb3012998739964310d83760867b4ad3707e7fb8d3e34c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01e14854aaddd50fdbfb3012998739964310d83760867b4ad3707e7fb8d3e34c", kill_on_drop: false }`
[INFO] [stdout] 01e14854aaddd50fdbfb3012998739964310d83760867b4ad3707e7fb8d3e34c