[INFO] fetching crate stork 0.0.3...
[INFO] checking stork-0.0.3 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate stork 0.0.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate stork 0.0.3 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stork 0.0.3
[INFO] finished tweaking crates.io crate stork 0.0.3
[INFO] tweaked toml for crates.io crate stork 0.0.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 366a5b938a66cb2b6a83c8d9e8a791d3150976741c5313a60b3dfbf4e5fdca6c
[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" "366a5b938a66cb2b6a83c8d9e8a791d3150976741c5313a60b3dfbf4e5fdca6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "366a5b938a66cb2b6a83c8d9e8a791d3150976741c5313a60b3dfbf4e5fdca6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "366a5b938a66cb2b6a83c8d9e8a791d3150976741c5313a60b3dfbf4e5fdca6c", kill_on_drop: false }`
[INFO] [stdout] 366a5b938a66cb2b6a83c8d9e8a791d3150976741c5313a60b3dfbf4e5fdca6c
[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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3442929ea7059b4886c3c860306050e6ccc05a21a8630bb24dce3f9f33dd050c
[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" "3442929ea7059b4886c3c860306050e6ccc05a21a8630bb24dce3f9f33dd050c", kill_on_drop: false }`
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking backtrace v0.3.57
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking async-stream v0.2.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking futures-executor v0.3.14
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]     Checking stork v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.12s
[INFO] running `Command { std: "docker" "inspect" "3442929ea7059b4886c3c860306050e6ccc05a21a8630bb24dce3f9f33dd050c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3442929ea7059b4886c3c860306050e6ccc05a21a8630bb24dce3f9f33dd050c", kill_on_drop: false }`
[INFO] [stdout] 3442929ea7059b4886c3c860306050e6ccc05a21a8630bb24dce3f9f33dd050c