[INFO] fetching crate const-field-offset 0.1.0...
[INFO] checking const-field-offset-0.1.0 against beta for pr-78714
[INFO] extracting crate const-field-offset 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate const-field-offset 0.1.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate const-field-offset 0.1.0
[INFO] finished tweaking crates.io crate const-field-offset 0.1.0
[INFO] tweaked toml for crates.io crate const-field-offset 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded const-field-offset-macro v0.1.0
[INFO] [stderr]   Downloaded field-offset v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f7a0021729d2d490825f161b9a100e32e0117c9c9869c1570401eef8a61eacb
[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" "7f7a0021729d2d490825f161b9a100e32e0117c9c9869c1570401eef8a61eacb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f7a0021729d2d490825f161b9a100e32e0117c9c9869c1570401eef8a61eacb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f7a0021729d2d490825f161b9a100e32e0117c9c9869c1570401eef8a61eacb", kill_on_drop: false }`
[INFO] [stdout] 7f7a0021729d2d490825f161b9a100e32e0117c9c9869c1570401eef8a61eacb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa27a7b84428387d739a41be96a3845598f117da53c73920b9c180253f95e346
[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" "aa27a7b84428387d739a41be96a3845598f117da53c73920b9c180253f95e346", kill_on_drop: false }`
[INFO] [stderr]    Compiling const-field-offset-macro v0.1.0
[INFO] [stderr]    Compiling field-offset v0.3.2
[INFO] [stderr]     Checking const-field-offset v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `Command { std: "docker" "inspect" "aa27a7b84428387d739a41be96a3845598f117da53c73920b9c180253f95e346", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa27a7b84428387d739a41be96a3845598f117da53c73920b9c180253f95e346", kill_on_drop: false }`
[INFO] [stdout] aa27a7b84428387d739a41be96a3845598f117da53c73920b9c180253f95e346