[INFO] fetching crate df-cache 0.1.6...
[INFO] checking df-cache-0.1.6 against try#024378d9203a4009ed73d6db2681b88a8d74ce7a for pr-112160
[INFO] extracting crate df-cache 0.1.6 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate df-cache 0.1.6 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 df-cache 0.1.6
[INFO] finished tweaking crates.io crate df-cache 0.1.6
[INFO] tweaked toml for crates.io crate df-cache 0.1.6 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate df-cache 0.1.6 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b7fd852d6540e6ee5e3c2714302bb21b5bef7996f2ecad7afb515da1d7b73fea
[INFO] running `Command { std: "docker" "start" "-a" "b7fd852d6540e6ee5e3c2714302bb21b5bef7996f2ecad7afb515da1d7b73fea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7fd852d6540e6ee5e3c2714302bb21b5bef7996f2ecad7afb515da1d7b73fea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7fd852d6540e6ee5e3c2714302bb21b5bef7996f2ecad7afb515da1d7b73fea", kill_on_drop: false }`
[INFO] [stdout] b7fd852d6540e6ee5e3c2714302bb21b5bef7996f2ecad7afb515da1d7b73fea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 2a0243dea35d58b60c7c10b9a0de673a3fa8f289f8094e94311b5d851ac6984e
[INFO] running `Command { std: "docker" "start" "-a" "2a0243dea35d58b60c7c10b9a0de673a3fa8f289f8094e94311b5d851ac6984e", kill_on_drop: false }`
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking unicode-bidi v0.3.11
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking combine v4.6.6
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking redis v0.22.3
[INFO] [stderr]     Checking df-cache v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> examples/test.rs:12:41
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let conf = json::parse(conf.as_str().clone()).unwrap();
[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 `df-cache` (example "test") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2a0243dea35d58b60c7c10b9a0de673a3fa8f289f8094e94311b5d851ac6984e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a0243dea35d58b60c7c10b9a0de673a3fa8f289f8094e94311b5d851ac6984e", kill_on_drop: false }`
[INFO] [stdout] 2a0243dea35d58b60c7c10b9a0de673a3fa8f289f8094e94311b5d851ac6984e