[INFO] cloning repository https://github.com/randomize/flurry-json-preprocess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/randomize/flurry-json-preprocess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frandomize%2Fflurry-json-preprocess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frandomize%2Fflurry-json-preprocess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f3547215639f67d51ec32e60b1b62a5a4b397fd6
[INFO] checking randomize/flurry-json-preprocess against try#0ab79c4b48ad19260fa46623f452c1b403a360e8 for pr-74315
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frandomize%2Fflurry-json-preprocess" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/randomize/flurry-json-preprocess on toolchain 0ab79c4b48ad19260fa46623f452c1b403a360e8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/randomize/flurry-json-preprocess
[INFO] finished tweaking git repo https://github.com/randomize/flurry-json-preprocess
[INFO] tweaked toml for git repo https://github.com/randomize/flurry-json-preprocess written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/randomize/flurry-json-preprocess already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f96a7576160805aecbc71669cbe30810ed6f9ecf88bda6306132f49ec5de28c
[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" "3f96a7576160805aecbc71669cbe30810ed6f9ecf88bda6306132f49ec5de28c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f96a7576160805aecbc71669cbe30810ed6f9ecf88bda6306132f49ec5de28c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f96a7576160805aecbc71669cbe30810ed6f9ecf88bda6306132f49ec5de28c", kill_on_drop: false }`
[INFO] [stdout] 3f96a7576160805aecbc71669cbe30810ed6f9ecf88bda6306132f49ec5de28c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78e0c39e42e169acd33f6e28b27a5eec5e0bbf2bda808742b469fc38d1356aeb
[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" "78e0c39e42e169acd33f6e28b27a5eec5e0bbf2bda808742b469fc38d1356aeb", kill_on_drop: false }`
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking flurry-jsonify v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.70s
[INFO] running `Command { std: "docker" "inspect" "78e0c39e42e169acd33f6e28b27a5eec5e0bbf2bda808742b469fc38d1356aeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78e0c39e42e169acd33f6e28b27a5eec5e0bbf2bda808742b469fc38d1356aeb", kill_on_drop: false }`
[INFO] [stdout] 78e0c39e42e169acd33f6e28b27a5eec5e0bbf2bda808742b469fc38d1356aeb