[INFO] fetching crate crackle 0.2.3...
[INFO] checking crackle-0.2.3 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate crackle 0.2.3 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate crackle 0.2.3
[INFO] finished tweaking crates.io crate crackle 0.2.3
[INFO] tweaked toml for crates.io crate crackle 0.2.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate crackle 0.2.3 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate crackle 0.2.3 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded signal-hook v0.3.13
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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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d45db4774668c2d5af867858f0f9c9a3ba3c8fbaaf9ed067e92c4a502220f897
[INFO] running `Command { std: "docker" "start" "-a" "d45db4774668c2d5af867858f0f9c9a3ba3c8fbaaf9ed067e92c4a502220f897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d45db4774668c2d5af867858f0f9c9a3ba3c8fbaaf9ed067e92c4a502220f897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d45db4774668c2d5af867858f0f9c9a3ba3c8fbaaf9ed067e92c4a502220f897", kill_on_drop: false }`
[INFO] [stdout] d45db4774668c2d5af867858f0f9c9a3ba3c8fbaaf9ed067e92c4a502220f897
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91b0dae62d14d2ad22e6d2977b7aabed06c8e07efc785e15f02f65603c0b0ce3
[INFO] running `Command { std: "docker" "start" "-a" "91b0dae62d14d2ad22e6d2977b7aabed06c8e07efc785e15f02f65603c0b0ce3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
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[INFO] [stderr]     Checking crackle-lib v0.2.10
[INFO] [stderr]     Checking crackle v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:141:15
[INFO] [stdout]     |
[INFO] [stdout] 141 |               .1
[INFO] [stdout]     |  _______________^
[INFO] [stdout] 142 | |             .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/main.rs:141:15
[INFO] [stdout]     |
[INFO] [stdout] 141 |               .1
[INFO] [stdout]     |  _______________^
[INFO] [stdout] 142 | |             .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 49.27s
[INFO] running `Command { std: "docker" "inspect" "91b0dae62d14d2ad22e6d2977b7aabed06c8e07efc785e15f02f65603c0b0ce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91b0dae62d14d2ad22e6d2977b7aabed06c8e07efc785e15f02f65603c0b0ce3", kill_on_drop: false }`
[INFO] [stdout] 91b0dae62d14d2ad22e6d2977b7aabed06c8e07efc785e15f02f65603c0b0ce3
