[INFO] fetching crate json-ns 0.1.0...
[INFO] checking json-ns-0.1.0 against master#3e826bb11228508fbe749e594038d6727208aa94 for pr-82322
[INFO] extracting crate json-ns 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate json-ns 0.1.0 on toolchain 3e826bb11228508fbe749e594038d6727208aa94
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate json-ns 0.1.0
[INFO] finished tweaking crates.io crate json-ns 0.1.0
[INFO] tweaked toml for crates.io crate json-ns 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2cfe0ef19cab3e3500b6c2f00155ddca41325ffbdf1a2ce67f0546785a686dd
[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" "f2cfe0ef19cab3e3500b6c2f00155ddca41325ffbdf1a2ce67f0546785a686dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2cfe0ef19cab3e3500b6c2f00155ddca41325ffbdf1a2ce67f0546785a686dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2cfe0ef19cab3e3500b6c2f00155ddca41325ffbdf1a2ce67f0546785a686dd", kill_on_drop: false }`
[INFO] [stdout] f2cfe0ef19cab3e3500b6c2f00155ddca41325ffbdf1a2ce67f0546785a686dd
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "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] 65dc3c1f9342a3871a7c5e36f32a99d6033476c3b53a62b590cf087312a4c314
[INFO] running `Command { std: "docker" "start" "-a" "65dc3c1f9342a3871a7c5e36f32a99d6033476c3b53a62b590cf087312a4c314", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling libc v0.2.87
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking json-ns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.89s
[INFO] running `Command { std: "docker" "inspect" "65dc3c1f9342a3871a7c5e36f32a99d6033476c3b53a62b590cf087312a4c314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65dc3c1f9342a3871a7c5e36f32a99d6033476c3b53a62b590cf087312a4c314", kill_on_drop: false }`
[INFO] [stdout] 65dc3c1f9342a3871a7c5e36f32a99d6033476c3b53a62b590cf087312a4c314