[INFO] fetching crate json-checker 0.1.1...
[INFO] checking json-checker-0.1.1 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] extracting crate json-checker 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate json-checker 0.1.1 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate json-checker 0.1.1
[INFO] finished tweaking crates.io crate json-checker 0.1.1
[INFO] tweaked toml for crates.io crate json-checker 0.1.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate json-checker 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91c54dc1431ac426723b2b8d42dc806e491f2124aec69ef8db9e523e4b949683
[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" "91c54dc1431ac426723b2b8d42dc806e491f2124aec69ef8db9e523e4b949683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91c54dc1431ac426723b2b8d42dc806e491f2124aec69ef8db9e523e4b949683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91c54dc1431ac426723b2b8d42dc806e491f2124aec69ef8db9e523e4b949683", kill_on_drop: false }`
[INFO] [stdout] 91c54dc1431ac426723b2b8d42dc806e491f2124aec69ef8db9e523e4b949683
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46969f550171302f9a5c383900a1270f0db4aa2c026f977770540fcd6afa12cc
[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" "46969f550171302f9a5c383900a1270f0db4aa2c026f977770540fcd6afa12cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]    Compiling json-checker v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]   --> examples/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     printw("Enter a json string: ");
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.86s
[INFO] running `Command { std: "docker" "inspect" "46969f550171302f9a5c383900a1270f0db4aa2c026f977770540fcd6afa12cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46969f550171302f9a5c383900a1270f0db4aa2c026f977770540fcd6afa12cc", kill_on_drop: false }`
[INFO] [stdout] 46969f550171302f9a5c383900a1270f0db4aa2c026f977770540fcd6afa12cc