[INFO] fetching crate json-fmt 0.2.1...
[INFO] checking json-fmt-0.2.1 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate json-fmt 0.2.1 into /workspace/builds/worker-65/source
[INFO] validating manifest of crates.io crate json-fmt 0.2.1 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate json-fmt 0.2.1
[INFO] finished tweaking crates.io crate json-fmt 0.2.1
[INFO] tweaked toml for crates.io crate json-fmt 0.2.1 written to /workspace/builds/worker-65/source/Cargo.toml
[INFO] crate crates.io crate json-fmt 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07dc666e30aff21e0545c36637b7550d148e6c4dedc6a05c1b99bae2755bcd73
[INFO] running `Command { std: "docker" "start" "-a" "07dc666e30aff21e0545c36637b7550d148e6c4dedc6a05c1b99bae2755bcd73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07dc666e30aff21e0545c36637b7550d148e6c4dedc6a05c1b99bae2755bcd73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07dc666e30aff21e0545c36637b7550d148e6c4dedc6a05c1b99bae2755bcd73", kill_on_drop: false }`
[INFO] [stdout] 07dc666e30aff21e0545c36637b7550d148e6c4dedc6a05c1b99bae2755bcd73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4df03b53d58b4ee93fa2c0ad56ff4fc07bfb50509a5b8838c2d99f53fede1f33
[INFO] running `Command { std: "docker" "start" "-a" "4df03b53d58b4ee93fa2c0ad56ff4fc07bfb50509a5b8838c2d99f53fede1f33", kill_on_drop: false }`
[INFO] [stderr]     Checking json-fmt v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "4df03b53d58b4ee93fa2c0ad56ff4fc07bfb50509a5b8838c2d99f53fede1f33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4df03b53d58b4ee93fa2c0ad56ff4fc07bfb50509a5b8838c2d99f53fede1f33", kill_on_drop: false }`
[INFO] [stdout] 4df03b53d58b4ee93fa2c0ad56ff4fc07bfb50509a5b8838c2d99f53fede1f33