[INFO] fetching crate pepper 0.4.0...
[INFO] checking pepper-0.4.0 against beta for pr-78714
[INFO] extracting crate pepper 0.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate pepper 0.4.0 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 pepper 0.4.0
[INFO] finished tweaking crates.io crate pepper 0.4.0
[INFO] tweaked toml for crates.io crate pepper 0.4.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate pepper 0.4.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c4039eece95aa52dc1f4968fad1d710162e5c63f79f288cf8de2352eb13c41ee
[INFO] running `Command { std: "docker" "start" "-a" "c4039eece95aa52dc1f4968fad1d710162e5c63f79f288cf8de2352eb13c41ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4039eece95aa52dc1f4968fad1d710162e5c63f79f288cf8de2352eb13c41ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4039eece95aa52dc1f4968fad1d710162e5c63f79f288cf8de2352eb13c41ee", kill_on_drop: false }`
[INFO] [stdout] c4039eece95aa52dc1f4968fad1d710162e5c63f79f288cf8de2352eb13c41ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc8a394dff6a3801d9e9007c9b28dcdae72c08891eec8e35d7688087e8c5722c
[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" "dc8a394dff6a3801d9e9007c9b28dcdae72c08891eec8e35d7688087e8c5722c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling libloading v0.6.2
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]    Compiling argh_shared v0.1.1
[INFO] [stderr]     Checking instant v0.1.7
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking fuzzy-matcher v0.3.5
[INFO] [stderr]    Compiling wayland-scanner v0.27.0
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]    Compiling luajit-src v210.1.0+resty31116c4
[INFO] [stderr]    Compiling lua-src v540.0.0
[INFO] [stderr]    Compiling wayland-sys v0.27.0
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]    Compiling mlua v0.4.2
[INFO] [stderr]    Compiling wayland-client v0.27.0
[INFO] [stderr]    Compiling wayland-protocols v0.27.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking mio v0.7.0
[INFO] [stderr]     Checking polling v1.1.0
[INFO] [stderr]     Checking xcursor v0.3.2
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking crossterm v0.18.0
[INFO] [stderr]    Compiling argh_derive v0.1.1
[INFO] [stderr]     Checking argh v0.1.3
[INFO] [stderr]     Checking wayland-commons v0.27.0
[INFO] [stderr]     Checking ctrlc v3.1.6
[INFO] [stderr]     Checking wayland-cursor v0.27.0
[INFO] [stderr]     Checking x11-clipboard v0.5.1
[INFO] [stderr]     Checking smithay-client-toolkit v0.10.0
[INFO] [stderr]     Checking smithay-clipboard v0.5.1
[INFO] [stderr]     Checking copypasta v0.7.0
[INFO] [stderr]     Checking pepper v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `Command { std: "docker" "inspect" "dc8a394dff6a3801d9e9007c9b28dcdae72c08891eec8e35d7688087e8c5722c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc8a394dff6a3801d9e9007c9b28dcdae72c08891eec8e35d7688087e8c5722c", kill_on_drop: false }`
[INFO] [stdout] dc8a394dff6a3801d9e9007c9b28dcdae72c08891eec8e35d7688087e8c5722c