[INFO] fetching crate signatory 0.27.1...
[INFO] building signatory-0.27.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate signatory 0.27.1 into /workspace/builds/worker-5-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate signatory 0.27.1 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e4d9d8ee0d4dd8336da1c3b4254e3c8caf9305e1ddf2262960005c4ea258290
[INFO] running `Command { std: "docker" "start" "-a" "8e4d9d8ee0d4dd8336da1c3b4254e3c8caf9305e1ddf2262960005c4ea258290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e4d9d8ee0d4dd8336da1c3b4254e3c8caf9305e1ddf2262960005c4ea258290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e4d9d8ee0d4dd8336da1c3b4254e3c8caf9305e1ddf2262960005c4ea258290", kill_on_drop: false }`
[INFO] [stdout] 8e4d9d8ee0d4dd8336da1c3b4254e3c8caf9305e1ddf2262960005c4ea258290
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76504475ed52bccedbdd692650dd68fb30efd51d3e9b470bf789b13012422ed3
[INFO] running `Command { std: "docker" "start" "-a" "76504475ed52bccedbdd692650dd68fb30efd51d3e9b470bf789b13012422ed3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling spki v0.7.3
[INFO] [stderr]    Compiling pkcs8 v0.10.2
[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 2.33s
[INFO] running `Command { std: "docker" "inspect" "76504475ed52bccedbdd692650dd68fb30efd51d3e9b470bf789b13012422ed3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76504475ed52bccedbdd692650dd68fb30efd51d3e9b470bf789b13012422ed3", kill_on_drop: false }`
[INFO] [stdout] 76504475ed52bccedbdd692650dd68fb30efd51d3e9b470bf789b13012422ed3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbf04a6723e5088378641256401b302f744f4f0cdfb29d0717bad27026dc821a
[INFO] running `Command { std: "docker" "start" "-a" "bbf04a6723e5088378641256401b302f744f4f0cdfb29d0717bad27026dc821a", 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 1.11s
[INFO] running `Command { std: "docker" "inspect" "bbf04a6723e5088378641256401b302f744f4f0cdfb29d0717bad27026dc821a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbf04a6723e5088378641256401b302f744f4f0cdfb29d0717bad27026dc821a", kill_on_drop: false }`
[INFO] [stdout] bbf04a6723e5088378641256401b302f744f4f0cdfb29d0717bad27026dc821a