[INFO] fetching crate api-signature 0.2.0...
[INFO] checking api-signature-0.2.0 against master#bdcb6a99e853732f8ec050ae4986aa3af51d44c5 for 92191_revert
[INFO] extracting crate api-signature 0.2.0 into /workspace/builds/worker-107/source
[INFO] validating manifest of crates.io crate api-signature 0.2.0 on toolchain bdcb6a99e853732f8ec050ae4986aa3af51d44c5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bdcb6a99e853732f8ec050ae4986aa3af51d44c5" "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-107/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bdcb6a99e853732f8ec050ae4986aa3af51d44c5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bdcb6a99e853732f8ec050ae4986aa3af51d44c5" "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-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+bdcb6a99e853732f8ec050ae4986aa3af51d44c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0cc225a0d6ea0098db964ec8104628ac19bb7e6c6d9e9afb054fc0bf5e675f76
[INFO] running `Command { std: "docker" "start" "-a" "0cc225a0d6ea0098db964ec8104628ac19bb7e6c6d9e9afb054fc0bf5e675f76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cc225a0d6ea0098db964ec8104628ac19bb7e6c6d9e9afb054fc0bf5e675f76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cc225a0d6ea0098db964ec8104628ac19bb7e6c6d9e9afb054fc0bf5e675f76", kill_on_drop: false }`
[INFO] [stdout] 0cc225a0d6ea0098db964ec8104628ac19bb7e6c6d9e9afb054fc0bf5e675f76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+bdcb6a99e853732f8ec050ae4986aa3af51d44c5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b9587bd64d0f1eb71321d7d6edc31862929cb5babbf276ce781a0825ff31e48
[INFO] running `Command { std: "docker" "start" "-a" "6b9587bd64d0f1eb71321d7d6edc31862929cb5babbf276ce781a0825ff31e48", kill_on_drop: false }`
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[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] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]    --> src/lib.rs:336:1
[INFO] [stdout]     |
[INFO] [stdout] 336 | mod tests {
[INFO] [stdout]     | ^^^^^^^^^
[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] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]    --> src/lib.rs:336:1
[INFO] [stdout]     |
[INFO] [stdout] 336 | mod tests {
[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] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]    --> src/lib.rs:336:1
[INFO] [stdout]     |
[INFO] [stdout] 336 | mod tests {
[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 37.65s
[INFO] running `Command { std: "docker" "inspect" "6b9587bd64d0f1eb71321d7d6edc31862929cb5babbf276ce781a0825ff31e48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b9587bd64d0f1eb71321d7d6edc31862929cb5babbf276ce781a0825ff31e48", kill_on_drop: false }`
[INFO] [stdout] 6b9587bd64d0f1eb71321d7d6edc31862929cb5babbf276ce781a0825ff31e48