[INFO] fetching crate rust-fontconfig 0.1.5...
[INFO] checking rust-fontconfig-0.1.5 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate rust-fontconfig 0.1.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rust-fontconfig 0.1.5 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-fontconfig 0.1.5
[INFO] finished tweaking crates.io crate rust-fontconfig 0.1.5
[INFO] tweaked toml for crates.io crate rust-fontconfig 0.1.5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate rust-fontconfig 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded alloc-no-stdlib v2.0.1
[INFO] [stderr]   Downloaded bitreader v0.3.3
[INFO] [stderr]   Downloaded glyph-names v0.1.0
[INFO] [stderr]   Downloaded brotli-decompressor v2.3.1
[INFO] [stderr]   Downloaded allsorts_no_std v0.5.2
[INFO] [stderr]   Downloaded allsorts-rental v0.5.6
[INFO] [stderr]   Downloaded unicode-joining-type v0.5.0
[INFO] [stderr]   Downloaded mmapio v0.9.1
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", 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] aeb1ba191318831080baceca3a4350ac0cb0646d61bb9d35e50374b7ec31cbfc
[INFO] running `Command { std: "docker" "start" "-a" "aeb1ba191318831080baceca3a4350ac0cb0646d61bb9d35e50374b7ec31cbfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aeb1ba191318831080baceca3a4350ac0cb0646d61bb9d35e50374b7ec31cbfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeb1ba191318831080baceca3a4350ac0cb0646d61bb9d35e50374b7ec31cbfc", kill_on_drop: false }`
[INFO] [stdout] aeb1ba191318831080baceca3a4350ac0cb0646d61bb9d35e50374b7ec31cbfc
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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] 2ce416e5824bce5b855ee5005b656878d7efcb48f2ef4baf94acf95e8e173be4
[INFO] running `Command { std: "docker" "start" "-a" "2ce416e5824bce5b855ee5005b656878d7efcb48f2ef4baf94acf95e8e173be4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling unicode-joining-type v0.5.0
[INFO] [stderr]    Compiling unicode-general-category v0.3.0
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking glyph-names v0.1.0
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking xmlparser v0.13.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking bitreader v0.3.3
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking brotli-decompressor v2.3.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mmapio v0.9.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rental-impl v0.5.5
[INFO] [stderr]     Checking allsorts-rental v0.5.6
[INFO] [stderr]     Checking allsorts_no_std v0.5.2
[INFO] [stderr]     Checking rust-fontconfig v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.74s
[INFO] running `Command { std: "docker" "inspect" "2ce416e5824bce5b855ee5005b656878d7efcb48f2ef4baf94acf95e8e173be4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ce416e5824bce5b855ee5005b656878d7efcb48f2ef4baf94acf95e8e173be4", kill_on_drop: false }`
[INFO] [stdout] 2ce416e5824bce5b855ee5005b656878d7efcb48f2ef4baf94acf95e8e173be4