[INFO] fetching crate jws 0.2.4...
[INFO] checking jws-0.2.4 against master#31ee872db5aae4750e3da1ca4ed1523c4356947f for pr-78461
[INFO] extracting crate jws 0.2.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate jws 0.2.4 on toolchain 31ee872db5aae4750e3da1ca4ed1523c4356947f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jws 0.2.4
[INFO] finished tweaking crates.io crate jws 0.2.4
[INFO] tweaked toml for crates.io crate jws 0.2.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93aec6226f1d736dd3a8e195ee66680964ac7258e8dc0ab890e18f3f7d09b7cf
[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" "93aec6226f1d736dd3a8e195ee66680964ac7258e8dc0ab890e18f3f7d09b7cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93aec6226f1d736dd3a8e195ee66680964ac7258e8dc0ab890e18f3f7d09b7cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93aec6226f1d736dd3a8e195ee66680964ac7258e8dc0ab890e18f3f7d09b7cf", kill_on_drop: false }`
[INFO] [stdout] 93aec6226f1d736dd3a8e195ee66680964ac7258e8dc0ab890e18f3f7d09b7cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c57b4bd3a7ce1fbdfa69f1a5cfd2db66d364153ace19c9f108b3c93c481699d1
[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" "c57b4bd3a7ce1fbdfa69f1a5cfd2db66d364153ace19c9f108b3c93c481699d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling assert2-macros v0.3.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling derive-error v0.0.4
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.9.1
[INFO] [stderr]     Checking hmac v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.2
[INFO] [stderr]     Checking assert2 v0.3.3
[INFO] [stderr]     Checking jws v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.55s
[INFO] running `Command { std: "docker" "inspect" "c57b4bd3a7ce1fbdfa69f1a5cfd2db66d364153ace19c9f108b3c93c481699d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c57b4bd3a7ce1fbdfa69f1a5cfd2db66d364153ace19c9f108b3c93c481699d1", kill_on_drop: false }`
[INFO] [stdout] c57b4bd3a7ce1fbdfa69f1a5cfd2db66d364153ace19c9f108b3c93c481699d1