[INFO] fetching crate littlefs2 0.2.0...
[INFO] checking littlefs2-0.2.0 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate littlefs2 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate littlefs2 0.2.0 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate littlefs2 0.2.0
[INFO] finished tweaking crates.io crate littlefs2 0.2.0
[INFO] tweaked toml for crates.io crate littlefs2 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c37a787f62c3af0a23a8937fc2cdf16b22e09cc03ec08c0a3b24372b28e9472
[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" "5c37a787f62c3af0a23a8937fc2cdf16b22e09cc03ec08c0a3b24372b28e9472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c37a787f62c3af0a23a8937fc2cdf16b22e09cc03ec08c0a3b24372b28e9472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c37a787f62c3af0a23a8937fc2cdf16b22e09cc03ec08c0a3b24372b28e9472", kill_on_drop: false }`
[INFO] [stdout] 5c37a787f62c3af0a23a8937fc2cdf16b22e09cc03ec08c0a3b24372b28e9472
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad6e5a37a8f9d28fe4998e3999dc3ed38495afc73e7a16b3e85791db72f6f86a
[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" "ad6e5a37a8f9d28fe4998e3999dc3ed38495afc73e7a16b3e85791db72f6f86a", kill_on_drop: false }`
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling bindgen v0.56.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling heapless v0.6.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking cty v0.1.5
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]     Checking cty v0.2.1
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling ufmt-macros v0.1.1
[INFO] [stderr]     Checking cstr_core v0.1.0
[INFO] [stderr]    Compiling clang-sys v1.0.3
[INFO] [stderr]     Checking ufmt v0.1.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking generic-array v0.14.4
[INFO] [stderr]     Checking as-slice v0.1.4
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]     Checking ssmarshal v1.0.0
[INFO] [stderr]    Compiling littlefs2-sys v0.1.6
[INFO] [stderr]     Checking littlefs2 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "ad6e5a37a8f9d28fe4998e3999dc3ed38495afc73e7a16b3e85791db72f6f86a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad6e5a37a8f9d28fe4998e3999dc3ed38495afc73e7a16b3e85791db72f6f86a", kill_on_drop: false }`
[INFO] [stdout] ad6e5a37a8f9d28fe4998e3999dc3ed38495afc73e7a16b3e85791db72f6f86a