[INFO] cloning repository https://github.com/epage/string-benchmarks-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/epage/string-benchmarks-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fepage%2Fstring-benchmarks-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fepage%2Fstring-benchmarks-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 65b76ec1906c8e0b8c179fe7e570781c09eeb275 [INFO] checking epage/string-benchmarks-rs against try#024378d9203a4009ed73d6db2681b88a8d74ce7a for pr-112160 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fepage%2Fstring-benchmarks-rs" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/epage/string-benchmarks-rs 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/epage/string-benchmarks-rs [INFO] finished tweaking git repo https://github.com/epage/string-benchmarks-rs [INFO] tweaked toml for git repo https://github.com/epage/string-benchmarks-rs written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/epage/string-benchmarks-rs 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] ab6d4c5b49b052df78051f52f18a53a39a70997da91b01a038427c9d3737ab1d [INFO] running `Command { std: "docker" "start" "-a" "ab6d4c5b49b052df78051f52f18a53a39a70997da91b01a038427c9d3737ab1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ab6d4c5b49b052df78051f52f18a53a39a70997da91b01a038427c9d3737ab1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab6d4c5b49b052df78051f52f18a53a39a70997da91b01a038427c9d3737ab1d", kill_on_drop: false }` [INFO] [stdout] ab6d4c5b49b052df78051f52f18a53a39a70997da91b01a038427c9d3737ab1d [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] 4d85f522aea5a962a0db9acc1e19f5bb4cee7b84abeb84f5f3aa34126bc4b082 [INFO] running `Command { std: "docker" "start" "-a" "4d85f522aea5a962a0db9acc1e19f5bb4cee7b84abeb84f5f3aa34126bc4b082", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.90 [INFO] [stderr] Compiling libc v0.2.144 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling rustversion v1.0.6 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rustix v0.37.19 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Compiling smartstring v1.0.1 [INFO] [stderr] Compiling quote v1.0.17 [INFO] [stderr] Checking crossbeam-channel v0.5.4 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking anstyle v1.0.0 [INFO] [stderr] Checking clap_lex v0.5.0 [INFO] [stderr] Checking ciborium-io v0.2.0 [INFO] [stderr] Checking linux-raw-sys v0.3.8 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Checking clap_builder v4.3.0 [INFO] [stderr] Checking ciborium-ll v0.2.0 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking kstring v2.0.0 [INFO] [stderr] Checking flexstr v0.9.2 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking once_cell v1.17.2 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking castaway v0.2.1 [INFO] [stderr] Checking compact_str v0.7.0 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking rayon-core v1.9.1 [INFO] [stderr] Checking clap v4.3.0 [INFO] [stderr] Checking is-terminal v0.4.7 [INFO] [stderr] Checking ciborium v0.2.0 [INFO] [stderr] Checking smol_str v0.1.23 [INFO] [stderr] Checking string-benchmarks-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.5.1 [INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> benches/clone.rs:92:26 [INFO] [stdout] | [INFO] [stdout] 92 | b.iter(|| uut.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: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `string-benchmarks-rs` (bench "clone") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "4d85f522aea5a962a0db9acc1e19f5bb4cee7b84abeb84f5f3aa34126bc4b082", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d85f522aea5a962a0db9acc1e19f5bb4cee7b84abeb84f5f3aa34126bc4b082", kill_on_drop: false }` [INFO] [stdout] 4d85f522aea5a962a0db9acc1e19f5bb4cee7b84abeb84f5f3aa34126bc4b082