[INFO] fetching crate wasmtime-cache 0.25.0...
[INFO] checking wasmtime-cache-0.25.0 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate wasmtime-cache 0.25.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate wasmtime-cache 0.25.0 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 wasmtime-cache 0.25.0
[INFO] finished tweaking crates.io crate wasmtime-cache 0.25.0
[INFO] tweaked toml for crates.io crate wasmtime-cache 0.25.0 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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5f2db48aa945b47958c781db1df5e8e00a7fbb5b64059005f15aebffd2215b9
[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" "b5f2db48aa945b47958c781db1df5e8e00a7fbb5b64059005f15aebffd2215b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5f2db48aa945b47958c781db1df5e8e00a7fbb5b64059005f15aebffd2215b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5f2db48aa945b47958c781db1df5e8e00a7fbb5b64059005f15aebffd2215b9", kill_on_drop: false }`
[INFO] [stdout] b5f2db48aa945b47958c781db1df5e8e00a7fbb5b64059005f15aebffd2215b9
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2b479a2386e7ff6afcfbb175da979a8e71be9634fef4fa04c0c88ab05ffcfa45
[INFO] running `Command { std: "docker" "start" "-a" "2b479a2386e7ff6afcfbb175da979a8e71be9634fef4fa04c0c88ab05ffcfa45", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling zstd-safe v3.0.1+zstd.1.4.9
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling wasmtime-cache v0.25.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking directories-next v2.0.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking file-per-thread-logger v0.1.4
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling zstd-sys v1.4.20+zstd.1.4.9
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking zstd v0.6.1+zstd.1.4.9
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.71s
[INFO] running `Command { std: "docker" "inspect" "2b479a2386e7ff6afcfbb175da979a8e71be9634fef4fa04c0c88ab05ffcfa45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b479a2386e7ff6afcfbb175da979a8e71be9634fef4fa04c0c88ab05ffcfa45", kill_on_drop: false }`
[INFO] [stdout] 2b479a2386e7ff6afcfbb175da979a8e71be9634fef4fa04c0c88ab05ffcfa45