[INFO] fetching crate graviton 0.5.0...
[INFO] checking graviton-0.5.0 against try#38f08371587f97c145dedb2c055ac7b01bf1e788 for pr-65294
[INFO] extracting crate graviton 0.5.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate graviton 0.5.0 on toolchain 38f08371587f97c145dedb2c055ac7b01bf1e788
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate graviton 0.5.0
[INFO] finished tweaking crates.io crate graviton 0.5.0
[INFO] tweaked toml for crates.io crate graviton 0.5.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded graviton_frontend v0.5.0
[INFO] [stderr]   Downloaded graviton_backend v0.5.0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f41be254ef6c6a33bba7cbb5e4fa5988edf0d9bfe7ae4e0b3ab3a058cdc3ae8c
[INFO] running `"docker" "start" "-a" "f41be254ef6c6a33bba7cbb5e4fa5988edf0d9bfe7ae4e0b3ab3a058cdc3ae8c"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cranelift-entity v0.38.0
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling scroll v0.9.2
[INFO] [stderr]    Compiling raw-cpuid v6.1.0
[INFO] [stderr]    Compiling typetag-impl v0.1.4
[INFO] [stderr]     Checking rmp v0.8.8
[INFO] [stderr]    Compiling scroll_derive v0.9.5
[INFO] [stderr]     Checking string-interner v0.6.4
[INFO] [stderr]     Checking graviton_ast v0.5.0
[INFO] [stderr]    Compiling target-lexicon v0.4.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.38.0
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Checking cranelift-bforest v0.38.0
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking graviton_frontend v0.5.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking goblin v0.0.23
[INFO] [stderr]     Checking goblin v0.0.22
[INFO] [stderr]     Checking typetag v0.1.4
[INFO] [stderr]     Checking faerie v0.10.2
[INFO] [stderr]    Compiling cranelift-codegen v0.38.0
[INFO] [stderr]     Checking cranelift-frontend v0.38.0
[INFO] [stderr]     Checking cranelift-module v0.38.0
[INFO] [stderr]     Checking cranelift-native v0.38.0
[INFO] [stderr]     Checking cranelift v0.38.0
[INFO] [stderr]     Checking cranelift-faerie v0.38.0
[INFO] [stderr]     Checking graviton_backend v0.5.0
[INFO] [stderr]     Checking graviton v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `"docker" "inspect" "f41be254ef6c6a33bba7cbb5e4fa5988edf0d9bfe7ae4e0b3ab3a058cdc3ae8c"`
[INFO] running `"docker" "rm" "-f" "f41be254ef6c6a33bba7cbb5e4fa5988edf0d9bfe7ae4e0b3ab3a058cdc3ae8c"`
[INFO] [stdout] f41be254ef6c6a33bba7cbb5e4fa5988edf0d9bfe7ae4e0b3ab3a058cdc3ae8c