[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] 7a2f37407ceae24cdb2be11e83977cc2271af557
[INFO] checking epage/string-benchmarks-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fepage%2Fstring-benchmarks-rs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/epage/string-benchmarks-rs on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-tc1/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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 368aaabc1344073becf15c17f3e71956be7e3a3509a3156bdb7a95744f78cdbb
[INFO] running `Command { std: "docker" "start" "-a" "368aaabc1344073becf15c17f3e71956be7e3a3509a3156bdb7a95744f78cdbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "368aaabc1344073becf15c17f3e71956be7e3a3509a3156bdb7a95744f78cdbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "368aaabc1344073becf15c17f3e71956be7e3a3509a3156bdb7a95744f78cdbb", kill_on_drop: false }`
[INFO] [stdout] 368aaabc1344073becf15c17f3e71956be7e3a3509a3156bdb7a95744f78cdbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29ff2311e0f656c740b3efccd7db5796a28aae8cef09865237ccef0a19252d84
[INFO] running `Command { std: "docker" "start" "-a" "29ff2311e0f656c740b3efccd7db5796a28aae8cef09865237ccef0a19252d84", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.73
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
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[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling rayon-core v1.9.1
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[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking itoa v1.0.1
[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]     Checking either v1.6.1
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[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling quote v1.0.34
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]    Compiling syn v2.0.44
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[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking flexstr v0.9.2
[INFO] [stderr]     Checking kstring v2.0.0
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[INFO] [stderr]     Checking regex v1.5.5
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[INFO] [stderr]     Checking imstr v0.2.0
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[INFO] [stderr]     Checking clap v4.3.0
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking once_cell v1.17.2
[INFO] [stderr]     Checking is-terminal v0.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]     Checking serde_bytes v0.11.13
[INFO] [stderr]     Checking ciborium v0.2.0
[INFO] [stderr]     Checking hipstr v0.4.0
[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] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> benches/clone.rs:108:26
[INFO] [stdout]     |
[INFO] [stdout] 108 |             b.iter(|| uut.clone())
[INFO] [stdout]     |                          ^^^^^^^^ help: remove this redundant 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: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> benches/self_eq.rs:136:27
[INFO] [stdout]     |
[INFO] [stdout] 136 |             let copy = uut.clone();
[INFO] [stdout]     |                           ^^^^^^^^ help: remove this redundant 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: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.53s
[INFO] running `Command { std: "docker" "inspect" "29ff2311e0f656c740b3efccd7db5796a28aae8cef09865237ccef0a19252d84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29ff2311e0f656c740b3efccd7db5796a28aae8cef09865237ccef0a19252d84", kill_on_drop: false }`
[INFO] [stdout] 29ff2311e0f656c740b3efccd7db5796a28aae8cef09865237ccef0a19252d84
[INFO] checking epage/string-benchmarks-rs against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[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 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f76ca277ecafa2e911109342dde5b29777446356b30c8184f4bc19088c017f6
[INFO] running `Command { std: "docker" "start" "-a" "7f76ca277ecafa2e911109342dde5b29777446356b30c8184f4bc19088c017f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f76ca277ecafa2e911109342dde5b29777446356b30c8184f4bc19088c017f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f76ca277ecafa2e911109342dde5b29777446356b30c8184f4bc19088c017f6", kill_on_drop: false }`
[INFO] [stdout] 7f76ca277ecafa2e911109342dde5b29777446356b30c8184f4bc19088c017f6
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b4a6f8213974b3b079b2af69d2b1a84e21f1625c391197de0c4a5a4b4a74756
[INFO] running `Command { std: "docker" "start" "-a" "4b4a6f8213974b3b079b2af69d2b1a84e21f1625c391197de0c4a5a4b4a74756", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.73
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling quote v1.0.34
[INFO] [stderr]     Checking ciborium-io v0.2.0
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking anstyle v1.0.0
[INFO] [stderr]    Compiling syn v2.0.44
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking clap_builder v4.3.0
[INFO] [stderr]     Checking ciborium-ll v0.2.0
[INFO] [stderr]     Checking castaway v0.2.1
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking regex-syntax v0.6.25
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[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking compact_str v0.7.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking kstring v2.0.0
[INFO] [stderr]     Checking flexstr v0.9.2
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking ecow v0.2.2
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking clap v4.3.0
[INFO] [stderr]     Checking arcstr v1.1.5
[INFO] [stderr]     Checking imstr v0.2.0
[INFO] [stderr]     Checking once_cell v1.17.2
[INFO] [stderr]     Checking is-terminal v0.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]     Checking serde_bytes v0.11.13
[INFO] [stderr]     Checking ciborium v0.2.0
[INFO] [stderr]     Checking hipstr v0.4.0
[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] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> benches/clone.rs:108:26
[INFO] [stdout]     |
[INFO] [stdout] 108 |             b.iter(|| uut.clone())
[INFO] [stdout]     |                          ^^^^^^^^ help: remove this redundant 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: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> benches/self_eq.rs:136:27
[INFO] [stdout]     |
[INFO] [stdout] 136 |             let copy = uut.clone();
[INFO] [stdout]     |                           ^^^^^^^^ help: remove this redundant 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: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.77s
[INFO] running `Command { std: "docker" "inspect" "4b4a6f8213974b3b079b2af69d2b1a84e21f1625c391197de0c4a5a4b4a74756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b4a6f8213974b3b079b2af69d2b1a84e21f1625c391197de0c4a5a4b4a74756", kill_on_drop: false }`
[INFO] [stdout] 4b4a6f8213974b3b079b2af69d2b1a84e21f1625c391197de0c4a5a4b4a74756