[INFO] crate cryogen_plugin_json 0.1.0 is already in cache
[INFO] checking cryogen_plugin_json-0.1.0 against try#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130
[INFO] extracting crate cryogen_plugin_json 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate cryogen_plugin_json 0.1.0 on toolchain 6024cfef3a82f9a7688f07054f1650081bad3af5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cryogen_plugin_json 0.1.0
[INFO] removed path dependency cryogen_prelude from crates.io crate cryogen_plugin_json 0.1.0
[INFO] finished tweaking crates.io crate cryogen_plugin_json 0.1.0
[INFO] tweaked toml for crates.io crate cryogen_plugin_json 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f829791aa8c86203605ba4425face70797966e27f37a8bd1751c0dd4a24f334
[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" "5f829791aa8c86203605ba4425face70797966e27f37a8bd1751c0dd4a24f334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f829791aa8c86203605ba4425face70797966e27f37a8bd1751c0dd4a24f334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f829791aa8c86203605ba4425face70797966e27f37a8bd1751c0dd4a24f334", kill_on_drop: false }`
[INFO] [stdout] 5f829791aa8c86203605ba4425face70797966e27f37a8bd1751c0dd4a24f334
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "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] 0c808b92beb5f3cacc3ce36c5406f8c11c2fa4eebea7f4412b04ab6aa7e9cf32
[INFO] running `Command { std: "docker" "start" "-a" "0c808b92beb5f3cacc3ce36c5406f8c11c2fa4eebea7f4412b04ab6aa7e9cf32", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]     Checking humansize v1.1.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking pest v0.4.1
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking term_size v0.2.3
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking clap v2.20.5
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]     Checking tera v0.8.1
[INFO] [stderr]     Checking cryogen_prelude v0.1.0
[INFO] [stderr]     Checking cryogen_plugin_json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.31s
[INFO] running `Command { std: "docker" "inspect" "0c808b92beb5f3cacc3ce36c5406f8c11c2fa4eebea7f4412b04ab6aa7e9cf32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c808b92beb5f3cacc3ce36c5406f8c11c2fa4eebea7f4412b04ab6aa7e9cf32", kill_on_drop: false }`
[INFO] [stdout] 0c808b92beb5f3cacc3ce36c5406f8c11c2fa4eebea7f4412b04ab6aa7e9cf32