[INFO] cloning repository https://github.com/merklefruit/clash-of-bits
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/merklefruit/clash-of-bits" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerklefruit%2Fclash-of-bits", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerklefruit%2Fclash-of-bits'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 945c38642b0df686c8d0a6f13ac5c01b7a634789
[INFO] checking merklefruit/clash-of-bits against master#f5e2df741b4a9820a7579f0c8eccc951706a8782 for pr-147984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerklefruit%2Fclash-of-bits" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/merklefruit/clash-of-bits
[INFO] finished tweaking git repo https://github.com/merklefruit/clash-of-bits
[INFO] tweaked toml for git repo https://github.com/merklefruit/clash-of-bits written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/merklefruit/clash-of-bits on toolchain f5e2df741b4a9820a7579f0c8eccc951706a8782
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f5e2df741b4a9820a7579f0c8eccc951706a8782" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/merklefruit/clash-of-bits 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" "+f5e2df741b4a9820a7579f0c8eccc951706a8782" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/gakonst/ethers-rs`
[INFO] [stderr]     Updating crates.io index
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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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f5e2df741b4a9820a7579f0c8eccc951706a8782" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff67097cbd30941058fc0510250ff81792525e18e18235ffbeb552ff899111c3
[INFO] running `Command { std: "docker" "start" "-a" "ff67097cbd30941058fc0510250ff81792525e18e18235ffbeb552ff899111c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff67097cbd30941058fc0510250ff81792525e18e18235ffbeb552ff899111c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff67097cbd30941058fc0510250ff81792525e18e18235ffbeb552ff899111c3", 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_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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f5e2df741b4a9820a7579f0c8eccc951706a8782" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da49112e12192449673b2559942364de5fda487fc58551b782f978f15c999ad7
[INFO] running `Command { std: "docker" "start" "-a" "da49112e12192449673b2559942364de5fda487fc58551b782f978f15c999ad7", kill_on_drop: false }`
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[INFO] [stderr]     Checking ethers-middleware v0.17.0 (https://github.com/gakonst/ethers-rs#91d8c21b)
[INFO] [stderr]     Checking ethers v0.17.0 (https://github.com/gakonst/ethers-rs#91d8c21b)
[INFO] [stderr]     Checking clash_of_bits v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/markov/markov.rs:19:47
[INFO] [stdout]    |
[INFO] [stdout] 19 |         match std::fs::read_to_string(filename.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: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/markov/markov.rs:19:47
[INFO] [stdout]    |
[INFO] [stdout] 19 |         match std::fs::read_to_string(filename.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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "da49112e12192449673b2559942364de5fda487fc58551b782f978f15c999ad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da49112e12192449673b2559942364de5fda487fc58551b782f978f15c999ad7", kill_on_drop: false }`
[INFO] [stdout] da49112e12192449673b2559942364de5fda487fc58551b782f978f15c999ad7
