[INFO] fetching crate json-ptr 0.3.6...
[INFO] checking json-ptr-0.3.6 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate json-ptr 0.3.6 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate json-ptr 0.3.6 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate json-ptr 0.3.6
[INFO] finished tweaking crates.io crate json-ptr 0.3.6
[INFO] tweaked toml for crates.io crate json-ptr 0.3.6 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0931ee4e16a0b086594d9511f1f5dd6ba770e9f7de07381cdee87fb2fbb5746f
[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" "0931ee4e16a0b086594d9511f1f5dd6ba770e9f7de07381cdee87fb2fbb5746f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0931ee4e16a0b086594d9511f1f5dd6ba770e9f7de07381cdee87fb2fbb5746f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0931ee4e16a0b086594d9511f1f5dd6ba770e9f7de07381cdee87fb2fbb5746f", kill_on_drop: false }`
[INFO] [stdout] 0931ee4e16a0b086594d9511f1f5dd6ba770e9f7de07381cdee87fb2fbb5746f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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] 7bc478337ab91a87013064c2e55493cf095ebc3b7fd65816f32686ee75ab26e4
[INFO] running `Command { std: "docker" "start" "-a" "7bc478337ab91a87013064c2e55493cf095ebc3b7fd65816f32686ee75ab26e4", kill_on_drop: false }`
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking json-ptr v0.3.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `Command { std: "docker" "inspect" "7bc478337ab91a87013064c2e55493cf095ebc3b7fd65816f32686ee75ab26e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bc478337ab91a87013064c2e55493cf095ebc3b7fd65816f32686ee75ab26e4", kill_on_drop: false }`
[INFO] [stdout] 7bc478337ab91a87013064c2e55493cf095ebc3b7fd65816f32686ee75ab26e4