[INFO] fetching crate api-signature 0.2.0...
[INFO] checking api-signature-0.2.0 against master#2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4 for pr-84385
[INFO] extracting crate api-signature 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate api-signature 0.2.0 on toolchain 2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate api-signature 0.2.0
[INFO] finished tweaking crates.io crate api-signature 0.2.0
[INFO] tweaked toml for crates.io crate api-signature 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_yaml v0.8.26
[INFO] [stderr]   Downloaded rle-decode-fast v1.0.3
[INFO] [stderr]   Downloaded crypto v0.3.0
[INFO] [stderr]   Downloaded crc v1.8.1
[INFO] [stderr]   Downloaded libflate v1.2.0
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[INFO] [stderr]   Downloaded serde-pickle v1.1.1
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[INFO] [stderr]   Downloaded lexpr-macros v0.2.1
[INFO] [stderr]   Downloaded postcard-cobs v0.1.5-pre
[INFO] [stderr]   Downloaded zerocopy v0.3.0
[INFO] [stderr]   Downloaded bson v2.4.0
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[INFO] [stderr]   Downloaded strum_macros v0.18.0
[INFO] [stderr]   Downloaded uuid v1.2.1
[INFO] [stderr]   Downloaded typed-builder v0.5.1
[INFO] [stderr]   Downloaded build_const v0.2.2
[INFO] [stderr]   Downloaded num-bigint v0.2.6
[INFO] [stderr]   Downloaded snap v0.2.5
[INFO] [stderr]   Downloaded zerocopy-derive v0.2.0
[INFO] [stderr]   Downloaded strum v0.18.0
[INFO] [stderr]   Downloaded avro-rs v0.13.0
[INFO] [stderr]   Downloaded rmp v0.8.11
[INFO] [stderr]   Downloaded postcard v0.7.3
[INFO] [stderr]   Downloaded rmp-serde v1.1.1
[INFO] [stderr]   Downloaded simple_serde v0.3.8
[INFO] [stderr]   Downloaded lexpr v0.2.6
[INFO] [stderr]   Downloaded iter-read v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96fec9f3dbb4b22a33b9d602be44042c6a3727578aeb7ae602cb0bdc361b9704
[INFO] running `Command { std: "docker" "start" "-a" "96fec9f3dbb4b22a33b9d602be44042c6a3727578aeb7ae602cb0bdc361b9704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96fec9f3dbb4b22a33b9d602be44042c6a3727578aeb7ae602cb0bdc361b9704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96fec9f3dbb4b22a33b9d602be44042c6a3727578aeb7ae602cb0bdc361b9704", kill_on_drop: false }`
[INFO] [stdout] 96fec9f3dbb4b22a33b9d602be44042c6a3727578aeb7ae602cb0bdc361b9704
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6324185adb9ae0c3e34fe14bb3016f52ad898892a86cd09697e9e317ee9ee5a
[INFO] running `Command { std: "docker" "start" "-a" "b6324185adb9ae0c3e34fe14bb3016f52ad898892a86cd09697e9e317ee9ee5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
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[INFO] [stderr]    Compiling serde v1.0.145
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[INFO] [stderr]    Compiling num-bigint v0.4.3
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[INFO] [stderr]     Checking crypto v0.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling zerocopy-derive v0.2.0
[INFO] [stderr]    Compiling typed-builder v0.5.1
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[INFO] [stderr]    Compiling pest_derive v2.4.0
[INFO] [stderr]     Checking num_enum v0.5.7
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[INFO] [stderr]     Checking json5 v0.4.1
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[INFO] [stderr]     Checking serde-pickle v1.1.1
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[INFO] [stderr]     Checking serde-lexpr v0.1.2
[INFO] [stderr]     Checking serde_cbor v0.11.2
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[INFO] [stderr]     Checking serde-xml-rs v0.5.1
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[INFO] [stderr]     Checking postcard v0.7.3
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[INFO] [stderr]     Checking avro-rs v0.13.0
[INFO] [stderr]     Checking simple_serde v0.3.8
[INFO] [stderr]     Checking api-signature v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::helpers::base64decode`
[INFO] [stdout]    --> src/lib.rs:337:9
[INFO] [stdout]     |
[INFO] [stdout] 337 |     use crate::helpers::base64decode;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hex::FromHex`
[INFO] [stdout]    --> src/lib.rs:340:9
[INFO] [stdout]     |
[INFO] [stdout] 340 |     use hex::FromHex;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SignCal::*`
[INFO] [stdout]    --> src/lib.rs:461:13
[INFO] [stdout]     |
[INFO] [stdout] 461 |         use SignCal::*;
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nonce`
[INFO] [stdout]    --> src/lib.rs:493:13
[INFO] [stdout]     |
[INFO] [stdout] 493 |         let nonce = cal_sign.nonce_lock();
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_nonce`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.65s
[INFO] running `Command { std: "docker" "inspect" "b6324185adb9ae0c3e34fe14bb3016f52ad898892a86cd09697e9e317ee9ee5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6324185adb9ae0c3e34fe14bb3016f52ad898892a86cd09697e9e317ee9ee5a", kill_on_drop: false }`
[INFO] [stdout] b6324185adb9ae0c3e34fe14bb3016f52ad898892a86cd09697e9e317ee9ee5a