[INFO] fetching crate wireguard-uapi 2.0.1...
[INFO] checking wireguard-uapi-2.0.1 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate wireguard-uapi 2.0.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate wireguard-uapi 2.0.1 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wireguard-uapi 2.0.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate wireguard-uapi 2.0.1
[INFO] tweaked toml for crates.io crate wireguard-uapi 2.0.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate wireguard-uapi 2.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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 take-until v0.1.0
[INFO] [stderr]   Downloaded buffering v0.3.4
[INFO] [stderr]   Downloaded neli v0.4.3
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9a7f6979c79e9bcfb12d1d83d2fc5e30cb1d087b088f9be196a0657b861855a
[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" "e9a7f6979c79e9bcfb12d1d83d2fc5e30cb1d087b088f9be196a0657b861855a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9a7f6979c79e9bcfb12d1d83d2fc5e30cb1d087b088f9be196a0657b861855a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9a7f6979c79e9bcfb12d1d83d2fc5e30cb1d087b088f9be196a0657b861855a", kill_on_drop: false }`
[INFO] [stdout] e9a7f6979c79e9bcfb12d1d83d2fc5e30cb1d087b088f9be196a0657b861855a
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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] 7b683f4316c7bdb3be95492b0adffd87a4242e455292fb89a7046031e7bfbd5e
[INFO] running `Command { std: "docker" "start" "-a" "7b683f4316c7bdb3be95492b0adffd87a4242e455292fb89a7046031e7bfbd5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling derive_builder v0.7.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking buffering v0.3.4
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking neli v0.4.3
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking predicates v1.0.7
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling derive_builder_core v0.5.0
[INFO] [stderr]     Checking wireguard-uapi v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.59s
[INFO] running `Command { std: "docker" "inspect" "7b683f4316c7bdb3be95492b0adffd87a4242e455292fb89a7046031e7bfbd5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b683f4316c7bdb3be95492b0adffd87a4242e455292fb89a7046031e7bfbd5e", kill_on_drop: false }`
[INFO] [stdout] 7b683f4316c7bdb3be95492b0adffd87a4242e455292fb89a7046031e7bfbd5e