[INFO] cloning repository https://github.com/lucdew/json2yaml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lucdew/json2yaml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucdew%2Fjson2yaml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucdew%2Fjson2yaml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1049656488f6a306e544454c7c8002a980c152ec
[INFO] checking lucdew/json2yaml against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucdew%2Fjson2yaml" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lucdew/json2yaml on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lucdew/json2yaml
[INFO] finished tweaking git repo https://github.com/lucdew/json2yaml
[INFO] tweaked toml for git repo https://github.com/lucdew/json2yaml written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/lucdew/json2yaml already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec53b5e2debc5ad4dc8266e513a8f209811c0f2934d71280037966f4aae74665
[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" "ec53b5e2debc5ad4dc8266e513a8f209811c0f2934d71280037966f4aae74665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec53b5e2debc5ad4dc8266e513a8f209811c0f2934d71280037966f4aae74665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec53b5e2debc5ad4dc8266e513a8f209811c0f2934d71280037966f4aae74665", kill_on_drop: false }`
[INFO] [stdout] ec53b5e2debc5ad4dc8266e513a8f209811c0f2934d71280037966f4aae74665
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0da2beb27f35c1938fa05a19a7f42c679df2e0a6b5d649c1c5e65d47dfd55df7
[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" "0da2beb27f35c1938fa05a19a7f42c679df2e0a6b5d649c1c5e65d47dfd55df7", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde_yaml v0.8.9
[INFO] [stderr]     Checking json2yaml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.50s
[INFO] running `Command { std: "docker" "inspect" "0da2beb27f35c1938fa05a19a7f42c679df2e0a6b5d649c1c5e65d47dfd55df7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0da2beb27f35c1938fa05a19a7f42c679df2e0a6b5d649c1c5e65d47dfd55df7", kill_on_drop: false }`
[INFO] [stdout] 0da2beb27f35c1938fa05a19a7f42c679df2e0a6b5d649c1c5e65d47dfd55df7