[INFO] fetching crate dprint-cli-core 0.5.0...
[INFO] checking dprint-cli-core-0.5.0 against beta for pr-78714
[INFO] extracting crate dprint-cli-core 0.5.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate dprint-cli-core 0.5.0 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 dprint-cli-core 0.5.0
[INFO] finished tweaking crates.io crate dprint-cli-core 0.5.0
[INFO] tweaked toml for crates.io crate dprint-cli-core 0.5.0 written to /workspace/builds/worker-2/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 20bfa1f178a8a6eb2e6ac5a4da93749c45c359fb97dcb9f40690930bec6ec6bb
[INFO] running `Command { std: "docker" "start" "-a" "20bfa1f178a8a6eb2e6ac5a4da93749c45c359fb97dcb9f40690930bec6ec6bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20bfa1f178a8a6eb2e6ac5a4da93749c45c359fb97dcb9f40690930bec6ec6bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20bfa1f178a8a6eb2e6ac5a4da93749c45c359fb97dcb9f40690930bec6ec6bb", kill_on_drop: false }`
[INFO] [stdout] 20bfa1f178a8a6eb2e6ac5a4da93749c45c359fb97dcb9f40690930bec6ec6bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] df0f186315dc00fb961fb5e22bb0d57cab62ee1beee4959ca3f63db86d10d170
[INFO] running `Command { std: "docker" "start" "-a" "df0f186315dc00fb961fb5e22bb0d57cab62ee1beee4959ca3f63db86d10d170", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking chunked_transfer v1.3.0
[INFO] [stderr]    Compiling standback v0.2.11
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling cookie v0.14.3
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking mio v0.7.5
[INFO] [stderr]     Checking sha2 v0.9.2
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking crossterm v0.18.2
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking time v0.2.22
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking cookie_store v0.12.0
[INFO] [stderr]     Checking ureq v1.5.2
[INFO] [stderr]     Checking dprint-cli-core v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.77s
[INFO] running `Command { std: "docker" "inspect" "df0f186315dc00fb961fb5e22bb0d57cab62ee1beee4959ca3f63db86d10d170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df0f186315dc00fb961fb5e22bb0d57cab62ee1beee4959ca3f63db86d10d170", kill_on_drop: false }`
[INFO] [stdout] df0f186315dc00fb961fb5e22bb0d57cab62ee1beee4959ca3f63db86d10d170