[INFO] fetching crate signatory 0.27.1...
[INFO] building signatory-0.27.1 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate signatory 0.27.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate signatory 0.27.1
[INFO] finished tweaking crates.io crate signatory 0.27.1
[INFO] tweaked toml for crates.io crate signatory 0.27.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate signatory 0.27.1 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 61 packages to latest compatible versions
[INFO] [stderr]       Adding rand_core v0.6.4 (available: v0.9.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded p384 v0.13.1
[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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0eb3b17dbe61b0a74b7294134ea2d346b7bbfc9cfc70298baf6524eb5d119d8a
[INFO] running `Command { std: "docker" "start" "-a" "0eb3b17dbe61b0a74b7294134ea2d346b7bbfc9cfc70298baf6524eb5d119d8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0eb3b17dbe61b0a74b7294134ea2d346b7bbfc9cfc70298baf6524eb5d119d8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eb3b17dbe61b0a74b7294134ea2d346b7bbfc9cfc70298baf6524eb5d119d8a", kill_on_drop: false }`
[INFO] [stdout] 0eb3b17dbe61b0a74b7294134ea2d346b7bbfc9cfc70298baf6524eb5d119d8a
[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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d72be6aeddc5e02e4944e92a7acc7f57fb98396d1f150d55a0afccf41f932ea
[INFO] running `Command { std: "docker" "start" "-a" "8d72be6aeddc5e02e4944e92a7acc7f57fb98396d1f150d55a0afccf41f932ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling signatory v0.27.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `fs::FsKeyStore`
[INFO] [stdout]  --> src/key/store.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use fs::FsKeyStore;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.32s
[INFO] running `Command { std: "docker" "inspect" "8d72be6aeddc5e02e4944e92a7acc7f57fb98396d1f150d55a0afccf41f932ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d72be6aeddc5e02e4944e92a7acc7f57fb98396d1f150d55a0afccf41f932ea", kill_on_drop: false }`
[INFO] [stdout] 8d72be6aeddc5e02e4944e92a7acc7f57fb98396d1f150d55a0afccf41f932ea
[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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 931659e4292d354e19b2263facbe58e64763aa86d0ee1f3a5b6dd9f0583ada7f
[INFO] running `Command { std: "docker" "start" "-a" "931659e4292d354e19b2263facbe58e64763aa86d0ee1f3a5b6dd9f0583ada7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stdout] warning: unused import: `fs::FsKeyStore`
[INFO] [stdout]  --> src/key/store.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use fs::FsKeyStore;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling signatory v0.27.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `fs::FsKeyStore`
[INFO] [stdout]  --> src/key/store.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use fs::FsKeyStore;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `keystore` and `dir` are never read
[INFO] [stdout]    --> src/key/store/fs.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub struct FsStoreHandle {
[INFO] [stdout]     |                ------------- fields in this struct
[INFO] [stdout] 145 |         pub keystore: FsKeyStore,
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout] 146 |         pub dir: tempfile::TempDir,
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "931659e4292d354e19b2263facbe58e64763aa86d0ee1f3a5b6dd9f0583ada7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "931659e4292d354e19b2263facbe58e64763aa86d0ee1f3a5b6dd9f0583ada7f", kill_on_drop: false }`
[INFO] [stdout] 931659e4292d354e19b2263facbe58e64763aa86d0ee1f3a5b6dd9f0583ada7f