[INFO] fetching crate graviton 0.6.0...
[INFO] checking graviton-0.6.0 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate graviton 0.6.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate graviton 0.6.0 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate graviton 0.6.0
[INFO] finished tweaking crates.io crate graviton 0.6.0
[INFO] tweaked toml for crates.io crate graviton 0.6.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate graviton 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 580655bf2c42312aaef51d579865bda94e8ee69ec294b09b769100d91dfd67ac
[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" "580655bf2c42312aaef51d579865bda94e8ee69ec294b09b769100d91dfd67ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "580655bf2c42312aaef51d579865bda94e8ee69ec294b09b769100d91dfd67ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "580655bf2c42312aaef51d579865bda94e8ee69ec294b09b769100d91dfd67ac", kill_on_drop: false }`
[INFO] [stdout] 580655bf2c42312aaef51d579865bda94e8ee69ec294b09b769100d91dfd67ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b7f74dfab0ef50d6f3d0e127f4ee0b97b6760ed8d50dcb15e5c8e2f98a6d96b
[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" "8b7f74dfab0ef50d6f3d0e127f4ee0b97b6760ed8d50dcb15e5c8e2f98a6d96b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.56.0
[INFO] [stderr]    Compiling cranelift-entity v0.56.0
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]    Compiling crc16 v0.4.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling indexmap v1.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.56.0
[INFO] [stderr]     Checking cranelift-bforest v0.56.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]     Checking rmp v0.8.9
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking colored v1.9.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling thiserror-impl v1.0.9
[INFO] [stderr]    Compiling scroll_derive v0.10.1
[INFO] [stderr]    Compiling inventory-impl v0.1.5
[INFO] [stderr]    Compiling ctor v0.1.12
[INFO] [stderr]    Compiling ghost v0.1.1
[INFO] [stderr]    Compiling typetag-impl v0.1.4
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]     Checking goblin v0.1.3
[INFO] [stderr]     Checking inventory v0.1.5
[INFO] [stderr]     Checking thiserror v1.0.9
[INFO] [stderr]    Compiling cranelift-codegen v0.56.0
[INFO] [stderr]     Checking graviton_core v0.6.0
[INFO] [stderr]     Checking string-interner v0.7.1
[INFO] [stderr]     Checking erased-serde v0.3.10
[INFO] [stderr]     Checking rmp-serde v0.14.0
[INFO] [stderr]     Checking faerie v0.14.0
[INFO] [stderr]     Checking graviton_ast v0.6.0
[INFO] [stderr]     Checking typetag v0.1.4
[INFO] [stderr]     Checking graviton_frontend v0.6.0
[INFO] [stderr]     Checking cranelift-module v0.56.0
[INFO] [stderr]     Checking cranelift-frontend v0.56.0
[INFO] [stderr]     Checking cranelift-native v0.56.0
[INFO] [stderr]     Checking cranelift-faerie v0.56.0
[INFO] [stderr]     Checking cranelift v0.56.0
[INFO] [stderr]     Checking graviton_backend v0.6.0
[INFO] [stderr]     Checking graviton v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 40s
[INFO] running `Command { std: "docker" "inspect" "8b7f74dfab0ef50d6f3d0e127f4ee0b97b6760ed8d50dcb15e5c8e2f98a6d96b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b7f74dfab0ef50d6f3d0e127f4ee0b97b6760ed8d50dcb15e5c8e2f98a6d96b", kill_on_drop: false }`
[INFO] [stdout] 8b7f74dfab0ef50d6f3d0e127f4ee0b97b6760ed8d50dcb15e5c8e2f98a6d96b