[INFO] fetching crate json_diff 0.1.2...
[INFO] checking json_diff-0.1.2 against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] extracting crate json_diff 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate json_diff 0.1.2 on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate json_diff 0.1.2
[INFO] finished tweaking crates.io crate json_diff 0.1.2
[INFO] tweaked toml for crates.io crate json_diff 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate json_diff 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f0ed435f9dacca88bd17d05b150050e953837ec7a8e9256cc1fd34c867de6f4
[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" "0f0ed435f9dacca88bd17d05b150050e953837ec7a8e9256cc1fd34c867de6f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f0ed435f9dacca88bd17d05b150050e953837ec7a8e9256cc1fd34c867de6f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f0ed435f9dacca88bd17d05b150050e953837ec7a8e9256cc1fd34c867de6f4", kill_on_drop: false }`
[INFO] [stdout] 0f0ed435f9dacca88bd17d05b150050e953837ec7a8e9256cc1fd34c867de6f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "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] 1c8394b3e81b989fdb016621d5fd6431cd67eca3af5384adffe8fd24f82d92a0
[INFO] running `Command { std: "docker" "start" "-a" "1c8394b3e81b989fdb016621d5fd6431cd67eca3af5384adffe8fd24f82d92a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking colored v1.9.0
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]     Checking structopt v0.3.5
[INFO] [stderr]     Checking json_diff v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.81s
[INFO] running `Command { std: "docker" "inspect" "1c8394b3e81b989fdb016621d5fd6431cd67eca3af5384adffe8fd24f82d92a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c8394b3e81b989fdb016621d5fd6431cd67eca3af5384adffe8fd24f82d92a0", kill_on_drop: false }`
[INFO] [stdout] 1c8394b3e81b989fdb016621d5fd6431cd67eca3af5384adffe8fd24f82d92a0