[INFO] fetching crate graviton 0.6.0...
[INFO] checking graviton-0.6.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate graviton 0.6.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate graviton 0.6.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-12/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59ce2730738b1d18b591643bc1f83e28d7ef47bf0fbbf08c685d14c886ebd0f2
[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" "59ce2730738b1d18b591643bc1f83e28d7ef47bf0fbbf08c685d14c886ebd0f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59ce2730738b1d18b591643bc1f83e28d7ef47bf0fbbf08c685d14c886ebd0f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59ce2730738b1d18b591643bc1f83e28d7ef47bf0fbbf08c685d14c886ebd0f2", kill_on_drop: false }`
[INFO] [stdout] 59ce2730738b1d18b591643bc1f83e28d7ef47bf0fbbf08c685d14c886ebd0f2
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 577abc3ee306f46d8a31e4936f273b8466063405bb66ccb33c3d2d01089e9980
[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" "577abc3ee306f46d8a31e4936f273b8466063405bb66ccb33c3d2d01089e9980", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling cranelift-entity v0.56.0
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.56.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]    Compiling crc16 v0.4.0
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking cranelift-bforest v0.56.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.56.0
[INFO] [stderr]    Compiling indexmap v1.3.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling rustc_version v0.2.3
[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 raw-cpuid v7.0.3
[INFO] [stderr]     Checking rmp v0.8.9
[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 ghost v0.1.1
[INFO] [stderr]    Compiling ctor v0.1.12
[INFO] [stderr]    Compiling typetag-impl v0.1.4
[INFO] [stderr]    Compiling cranelift-codegen v0.56.0
[INFO] [stderr]     Checking inventory v0.1.5
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]     Checking goblin v0.1.3
[INFO] [stderr]     Checking thiserror v1.0.9
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking cranelift-frontend v0.56.0
[INFO] [stderr]     Checking cranelift-module v0.56.0
[INFO] [stderr]     Checking cranelift-native v0.56.0
[INFO] [stderr]     Checking cranelift 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 cranelift-faerie v0.56.0
[INFO] [stderr]     Checking graviton_frontend v0.6.0
[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 31s
[INFO] running `Command { std: "docker" "inspect" "577abc3ee306f46d8a31e4936f273b8466063405bb66ccb33c3d2d01089e9980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "577abc3ee306f46d8a31e4936f273b8466063405bb66ccb33c3d2d01089e9980", kill_on_drop: false }`
[INFO] [stdout] 577abc3ee306f46d8a31e4936f273b8466063405bb66ccb33c3d2d01089e9980