[INFO] fetching crate syswall_cli 0.1.2...
[INFO] checking syswall_cli-0.1.2 against beta for pr-78714
[INFO] extracting crate syswall_cli 0.1.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate syswall_cli 0.1.2 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 syswall_cli 0.1.2
[INFO] finished tweaking crates.io crate syswall_cli 0.1.2
[INFO] tweaked toml for crates.io crate syswall_cli 0.1.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate syswall_cli 0.1.2 already has a lockfile, it will not be regenerated
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded textwrap v0.10.0
[INFO] [stderr]   Downloaded syswall v0.3.1
[INFO] [stderr]   Downloaded arc-swap v0.3.7
[INFO] [stderr]   Downloaded nix v0.13.0
[INFO] [stderr]   Downloaded libc v0.2.50
[INFO] [stderr]   Downloaded clap v2.32.0
[INFO] [stderr]   Downloaded signal-hook v0.1.8
[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] 1543e5b9dd82a7cea5b2a3ab0556ab72db82db42007c975fe5f12a1be1810653
[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" "1543e5b9dd82a7cea5b2a3ab0556ab72db82db42007c975fe5f12a1be1810653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1543e5b9dd82a7cea5b2a3ab0556ab72db82db42007c975fe5f12a1be1810653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1543e5b9dd82a7cea5b2a3ab0556ab72db82db42007c975fe5f12a1be1810653", kill_on_drop: false }`
[INFO] [stdout] 1543e5b9dd82a7cea5b2a3ab0556ab72db82db42007c975fe5f12a1be1810653
[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] 53b735bc3f80fca630df4da3b5dbf45c56685f685a7da35a9baaf1920f0de2d5
[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" "53b735bc3f80fca630df4da3b5dbf45c56685f685a7da35a9baaf1920f0de2d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]     Checking arc-swap v0.3.7
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking signal-hook v0.1.8
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking syswall v0.3.1
[INFO] [stderr]     Checking syswall_cli v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.99s
[INFO] running `Command { std: "docker" "inspect" "53b735bc3f80fca630df4da3b5dbf45c56685f685a7da35a9baaf1920f0de2d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53b735bc3f80fca630df4da3b5dbf45c56685f685a7da35a9baaf1920f0de2d5", kill_on_drop: false }`
[INFO] [stdout] 53b735bc3f80fca630df4da3b5dbf45c56685f685a7da35a9baaf1920f0de2d5