[INFO] fetching crate finch 0.4.1...
[INFO] crate finch 0.4.1 is already in cache
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[INFO] crate finch 0.4.1 is already in cache
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[INFO] crate finch 0.4.1 is already in cache
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[INFO] crate finch 0.4.1 is already in cache
[INFO] crate finch 0.4.1 is already in cache
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[INFO] crate finch 0.4.1 is already in cache
[INFO] crate finch 0.4.1 is already in cache
[INFO] checking finch-0.4.1 against master#7308c22c6a8d77e82187e290e1f7459870e48d12 for pr-99447
[INFO] extracting crate finch 0.4.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate finch 0.4.1 on toolchain 7308c22c6a8d77e82187e290e1f7459870e48d12
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate finch 0.4.1
[INFO] finished tweaking crates.io crate finch 0.4.1
[INFO] tweaked toml for crates.io crate finch 0.4.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3-macros v0.13.2
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.13.2
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4a0298c30ef5d1e3f3f4e64298229d189e1b940ca92adb13de378d6024f5f99
[INFO] running `Command { std: "docker" "start" "-a" "d4a0298c30ef5d1e3f3f4e64298229d189e1b940ca92adb13de378d6024f5f99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4a0298c30ef5d1e3f3f4e64298229d189e1b940ca92adb13de378d6024f5f99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4a0298c30ef5d1e3f3f4e64298229d189e1b940ca92adb13de378d6024f5f99", kill_on_drop: false }`
[INFO] [stdout] d4a0298c30ef5d1e3f3f4e64298229d189e1b940ca92adb13de378d6024f5f99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2f5912664aabcd0647ca755ef8009644d891efbd9e8e258d5c016c828223794
[INFO] running `Command { std: "docker" "start" "-a" "c2f5912664aabcd0647ca755ef8009644d891efbd9e8e258d5c016c828223794", kill_on_drop: false }`
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[INFO] [stderr]    Compiling thiserror-impl v1.0.32
[INFO] [stderr]     Checking thiserror v1.0.32
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[INFO] [stderr]     Checking finch v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/errors.rs:36:81
[INFO] [stdout]     |
[INFO] [stdout] 36  |         return Err($crate::errors::FinchError::Message(format!($fmt, $($arg)*)));
[INFO] [stdout]     |                                                                                 ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/serialization/json.rs:184:23
[INFO] [stdout]     |
[INFO] [stdout] 184 |             (x, _) => bail!("{} sketch type is not supported", x),
[INFO] [stdout]     |                       ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/errors.rs:36:81
[INFO] [stdout]     |
[INFO] [stdout] 36  |         return Err($crate::errors::FinchError::Message(format!($fmt, $($arg)*)));
[INFO] [stdout]     |                                                                                 ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/serialization/json.rs:184:23
[INFO] [stdout]     |
[INFO] [stdout] 184 |             (x, _) => bail!("{} sketch type is not supported", x),
[INFO] [stdout]     |                       ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.47s
[INFO] running `Command { std: "docker" "inspect" "c2f5912664aabcd0647ca755ef8009644d891efbd9e8e258d5c016c828223794", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2f5912664aabcd0647ca755ef8009644d891efbd9e8e258d5c016c828223794", kill_on_drop: false }`
[INFO] [stdout] c2f5912664aabcd0647ca755ef8009644d891efbd9e8e258d5c016c828223794