[INFO] crate dprint-plugin-jsonc 0.4.0 is already in cache
[INFO] testing dprint-plugin-jsonc-0.4.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate dprint-plugin-jsonc 0.4.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate dprint-plugin-jsonc 0.4.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dprint-plugin-jsonc 0.4.0
[INFO] finished tweaking crates.io crate dprint-plugin-jsonc 0.4.0
[INFO] tweaked toml for crates.io crate dprint-plugin-jsonc 0.4.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89cfcd8a9e90107ce264d622a3b2f9653a357585a4ad3c3df55d2687818e861e
[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" "89cfcd8a9e90107ce264d622a3b2f9653a357585a4ad3c3df55d2687818e861e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89cfcd8a9e90107ce264d622a3b2f9653a357585a4ad3c3df55d2687818e861e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89cfcd8a9e90107ce264d622a3b2f9653a357585a4ad3c3df55d2687818e861e", kill_on_drop: false }`
[INFO] [stdout] 89cfcd8a9e90107ce264d622a3b2f9653a357585a4ad3c3df55d2687818e861e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d2c0774833a8d67918dfc022722f44e9967d047889bc94b76f2348b33d6a25a
[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" "8d2c0774833a8d67918dfc022722f44e9967d047889bc94b76f2348b33d6a25a", kill_on_drop: false }`
[INFO] [stderr]    Compiling jsonc-parser v0.12.2
[INFO] [stderr]    Compiling dprint-core v0.20.0
[INFO] [stderr]    Compiling dprint-plugin-jsonc v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.07s
[INFO] running `Command { std: "docker" "inspect" "8d2c0774833a8d67918dfc022722f44e9967d047889bc94b76f2348b33d6a25a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d2c0774833a8d67918dfc022722f44e9967d047889bc94b76f2348b33d6a25a", kill_on_drop: false }`
[INFO] [stdout] 8d2c0774833a8d67918dfc022722f44e9967d047889bc94b76f2348b33d6a25a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--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] 81504e0731dcc97ac35dfe08fab3a95294b28832dbccf69b8ac9aeaf888a6cf8
[INFO] running `Command { std: "docker" "start" "-a" "81504e0731dcc97ac35dfe08fab3a95294b28832dbccf69b8ac9aeaf888a6cf8", kill_on_drop: false }`
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling debug-here v0.2.2
[INFO] [stderr]    Compiling dprint-plugin-jsonc v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `dprint_development`
[INFO] [stdout]  --> tests/test.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate dprint_development;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dprint-plugin-jsonc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "81504e0731dcc97ac35dfe08fab3a95294b28832dbccf69b8ac9aeaf888a6cf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81504e0731dcc97ac35dfe08fab3a95294b28832dbccf69b8ac9aeaf888a6cf8", kill_on_drop: false }`
[INFO] [stdout] 81504e0731dcc97ac35dfe08fab3a95294b28832dbccf69b8ac9aeaf888a6cf8