[INFO] fetching crate vsock 0.2.6...
[INFO] checking vsock-0.2.6 against master#ad0d4190facd509a5c79dce427bb7deb2824046e for pr-92472
[INFO] extracting crate vsock 0.2.6 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate vsock 0.2.6 on toolchain ad0d4190facd509a5c79dce427bb7deb2824046e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ad0d4190facd509a5c79dce427bb7deb2824046e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-20/source/.cargo/config
[INFO] started tweaking crates.io crate vsock 0.2.6
[INFO] finished tweaking crates.io crate vsock 0.2.6
[INFO] tweaked toml for crates.io crate vsock 0.2.6 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ad0d4190facd509a5c79dce427bb7deb2824046e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ad0d4190facd509a5c79dce427bb7deb2824046e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+ad0d4190facd509a5c79dce427bb7deb2824046e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1309f20a8ab0fe6eaf258478b9ed1ede9900778c61379c82e24c09598b80d8f
[INFO] running `Command { std: "docker" "start" "-a" "c1309f20a8ab0fe6eaf258478b9ed1ede9900778c61379c82e24c09598b80d8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1309f20a8ab0fe6eaf258478b9ed1ede9900778c61379c82e24c09598b80d8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1309f20a8ab0fe6eaf258478b9ed1ede9900778c61379c82e24c09598b80d8f", kill_on_drop: false }`
[INFO] [stdout] c1309f20a8ab0fe6eaf258478b9ed1ede9900778c61379c82e24c09598b80d8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+ad0d4190facd509a5c79dce427bb7deb2824046e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 919cf69576792ac18508b212c797b168e45765f86f09400d44ceabc78ae705ad
[INFO] running `Command { std: "docker" "start" "-a" "919cf69576792ac18508b212c797b168e45765f86f09400d44ceabc78ae705ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking crypto-common v0.1.1
[INFO] [stderr]     Checking block-buffer v0.10.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking digest v0.10.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking sha2 v0.10.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking vsock v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.74s
[INFO] running `Command { std: "docker" "inspect" "919cf69576792ac18508b212c797b168e45765f86f09400d44ceabc78ae705ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "919cf69576792ac18508b212c797b168e45765f86f09400d44ceabc78ae705ad", kill_on_drop: false }`
[INFO] [stdout] 919cf69576792ac18508b212c797b168e45765f86f09400d44ceabc78ae705ad