[INFO] cloning repository https://github.com/duxet/json-dereferencer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/duxet/json-dereferencer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduxet%2Fjson-dereferencer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduxet%2Fjson-dereferencer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a60b71f3cafba3c346edf8b7bd0cef08549505cb
[INFO] checking duxet/json-dereferencer against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduxet%2Fjson-dereferencer" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/duxet/json-dereferencer on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/duxet/json-dereferencer
[INFO] finished tweaking git repo https://github.com/duxet/json-dereferencer
[INFO] tweaked toml for git repo https://github.com/duxet/json-dereferencer written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/duxet/json-dereferencer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.1
[INFO] [stderr]   Downloaded serde v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a1e7085f74e0ad691cf95c3dc7e7f1ae6624b1fe56818a57f42f70deb8271a7
[INFO] running `Command { std: "docker" "start" "-a" "7a1e7085f74e0ad691cf95c3dc7e7f1ae6624b1fe56818a57f42f70deb8271a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a1e7085f74e0ad691cf95c3dc7e7f1ae6624b1fe56818a57f42f70deb8271a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a1e7085f74e0ad691cf95c3dc7e7f1ae6624b1fe56818a57f42f70deb8271a7", kill_on_drop: false }`
[INFO] [stdout] 7a1e7085f74e0ad691cf95c3dc7e7f1ae6624b1fe56818a57f42f70deb8271a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b2e3bbc833a735cf556efe66b8eeee477e749c7dd699ed56458df5c7cc3826a
[INFO] running `Command { std: "docker" "start" "-a" "1b2e3bbc833a735cf556efe66b8eeee477e749c7dd699ed56458df5c7cc3826a", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking unicode-segmentation v1.1.0
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking itoa v0.3.1
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking dtoa v0.4.1
[INFO] [stderr]     Checking vec_map v0.7.0
[INFO] [stderr]     Checking serde v1.0.2
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking clap v2.23.2
[INFO] [stderr]     Checking serde_json v1.0.1
[INFO] [stderr]     Checking json-dereferencer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.04s
[INFO] running `Command { std: "docker" "inspect" "1b2e3bbc833a735cf556efe66b8eeee477e749c7dd699ed56458df5c7cc3826a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b2e3bbc833a735cf556efe66b8eeee477e749c7dd699ed56458df5c7cc3826a", kill_on_drop: false }`
[INFO] [stdout] 1b2e3bbc833a735cf556efe66b8eeee477e749c7dd699ed56458df5c7cc3826a