[INFO] fetching crate ctap-hid-fido2 2.1.0...
[INFO] checking ctap-hid-fido2-2.1.0 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate ctap-hid-fido2 2.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ctap-hid-fido2 2.1.0 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ctap-hid-fido2 2.1.0
[INFO] finished tweaking crates.io crate ctap-hid-fido2 2.1.0
[INFO] tweaked toml for crates.io crate ctap-hid-fido2 2.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", 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] c5b9c8e85a5afc6fe2dbe48884485ecdda84bdefae12d77bba5efb2f5b083c51
[INFO] running `Command { std: "docker" "start" "-a" "c5b9c8e85a5afc6fe2dbe48884485ecdda84bdefae12d77bba5efb2f5b083c51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5b9c8e85a5afc6fe2dbe48884485ecdda84bdefae12d77bba5efb2f5b083c51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5b9c8e85a5afc6fe2dbe48884485ecdda84bdefae12d77bba5efb2f5b083c51", kill_on_drop: false }`
[INFO] [stdout] c5b9c8e85a5afc6fe2dbe48884485ecdda84bdefae12d77bba5efb2f5b083c51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b5847cf8a113fbcdca5d967d1ad7d5544935c08473f0f3f590c504d93e88ff7
[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" "6b5847cf8a113fbcdca5d967d1ad7d5544935c08473f0f3f590c504d93e88ff7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling hidapi v1.2.6
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking lexical-core v0.7.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]     Checking sha2 v0.9.4
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking rusticata-macros v2.1.0
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]    Compiling der-oid-macro v0.2.0
[INFO] [stderr]     Checking der-parser v4.1.0
[INFO] [stderr]     Checking x509-parser v0.8.2
[INFO] [stderr]     Checking ctap-hid-fido2 v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.96s
[INFO] running `Command { std: "docker" "inspect" "6b5847cf8a113fbcdca5d967d1ad7d5544935c08473f0f3f590c504d93e88ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b5847cf8a113fbcdca5d967d1ad7d5544935c08473f0f3f590c504d93e88ff7", kill_on_drop: false }`
[INFO] [stdout] 6b5847cf8a113fbcdca5d967d1ad7d5544935c08473f0f3f590c504d93e88ff7