[INFO] fetching crate signatory 0.22.0...
[INFO] checking signatory-0.22.0 against try#7c3a44cf5f95fa5cf164a312bdcf845157af7093 for pr-77325
[INFO] extracting crate signatory 0.22.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate signatory 0.22.0 on toolchain 7c3a44cf5f95fa5cf164a312bdcf845157af7093
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate signatory 0.22.0
[INFO] finished tweaking crates.io crate signatory 0.22.0
[INFO] tweaked toml for crates.io crate signatory 0.22.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ecdsa v0.8.5
[INFO] [stderr]   Downloaded p256 v0.5.2
[INFO] [stderr]   Downloaded k256 v0.5.10
[INFO] [stderr]   Downloaded elliptic-curve v0.6.6
[INFO] [stderr]   Downloaded p384 v0.4.1
[INFO] [stderr]   Downloaded signature_derive v1.0.0-pre.2
[INFO] [stderr]   Downloaded signature v1.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc4cc1ba7b58cd11dd78d8d83b377ba8b96476a21ac00688b718b4b5399dec02
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bc4cc1ba7b58cd11dd78d8d83b377ba8b96476a21ac00688b718b4b5399dec02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc4cc1ba7b58cd11dd78d8d83b377ba8b96476a21ac00688b718b4b5399dec02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc4cc1ba7b58cd11dd78d8d83b377ba8b96476a21ac00688b718b4b5399dec02", kill_on_drop: false }`
[INFO] [stdout] bc4cc1ba7b58cd11dd78d8d83b377ba8b96476a21ac00688b718b4b5399dec02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 65d0d331454ef664c381c42ea361a9a7cc0856b2673a4989dc6ca461fa80884e
[INFO] running `Command { std: "docker" "start" "-a" "65d0d331454ef664c381c42ea361a9a7cc0856b2673a4989dc6ca461fa80884e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling libc v0.2.96
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking subtle-encoding v0.5.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling signature_derive v1.0.0-pre.2
[INFO] [stderr]     Checking signature v1.2.2
[INFO] [stderr]     Checking signatory v0.22.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.68s
[INFO] running `Command { std: "docker" "inspect" "65d0d331454ef664c381c42ea361a9a7cc0856b2673a4989dc6ca461fa80884e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65d0d331454ef664c381c42ea361a9a7cc0856b2673a4989dc6ca461fa80884e", kill_on_drop: false }`
[INFO] [stdout] 65d0d331454ef664c381c42ea361a9a7cc0856b2673a4989dc6ca461fa80884e