[INFO] fetching crate wasmtime-cache 0.21.0...
[INFO] checking wasmtime-cache-0.21.0 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate wasmtime-cache 0.21.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate wasmtime-cache 0.21.0 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasmtime-cache 0.21.0
[INFO] finished tweaking crates.io crate wasmtime-cache 0.21.0
[INFO] tweaked toml for crates.io crate wasmtime-cache 0.21.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e5df39fd4fb8377fed4e4578dc2956dcc438b6807ef3ea8a0989f80303b430f
[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" "7e5df39fd4fb8377fed4e4578dc2956dcc438b6807ef3ea8a0989f80303b430f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e5df39fd4fb8377fed4e4578dc2956dcc438b6807ef3ea8a0989f80303b430f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e5df39fd4fb8377fed4e4578dc2956dcc438b6807ef3ea8a0989f80303b430f", kill_on_drop: false }`
[INFO] [stdout] 7e5df39fd4fb8377fed4e4578dc2956dcc438b6807ef3ea8a0989f80303b430f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c3da1b474b3ae46fc0ec88b218438ae6382a9f3ec531087def43f2138f0f8f4
[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" "7c3da1b474b3ae46fc0ec88b218438ae6382a9f3ec531087def43f2138f0f8f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling wasmtime-cache v0.21.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys-next v0.1.1
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking filetime v0.2.13
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking directories-next v1.0.3
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]    Compiling zstd-sys v1.4.17+zstd.1.4.5
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking file-per-thread-logger v0.1.4
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking zstd-safe v2.0.5+zstd.1.4.5
[INFO] [stderr]     Checking zstd v0.5.3+zstd.1.4.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 44s
[INFO] running `Command { std: "docker" "inspect" "7c3da1b474b3ae46fc0ec88b218438ae6382a9f3ec531087def43f2138f0f8f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c3da1b474b3ae46fc0ec88b218438ae6382a9f3ec531087def43f2138f0f8f4", kill_on_drop: false }`
[INFO] [stdout] 7c3da1b474b3ae46fc0ec88b218438ae6382a9f3ec531087def43f2138f0f8f4