[INFO] fetching crate unsegen_jsonviewer 0.2.0...
[INFO] checking unsegen_jsonviewer-0.2.0 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate unsegen_jsonviewer 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate unsegen_jsonviewer 0.2.0 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unsegen_jsonviewer 0.2.0
[INFO] finished tweaking crates.io crate unsegen_jsonviewer 0.2.0
[INFO] tweaked toml for crates.io crate unsegen_jsonviewer 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", 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] da11372adceff8152160f8a3c52c9a1b11e61d7efdd81681ebbb764fbf1efd45
[INFO] running `Command { std: "docker" "start" "-a" "da11372adceff8152160f8a3c52c9a1b11e61d7efdd81681ebbb764fbf1efd45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da11372adceff8152160f8a3c52c9a1b11e61d7efdd81681ebbb764fbf1efd45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da11372adceff8152160f8a3c52c9a1b11e61d7efdd81681ebbb764fbf1efd45", kill_on_drop: false }`
[INFO] [stdout] da11372adceff8152160f8a3c52c9a1b11e61d7efdd81681ebbb764fbf1efd45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 740511d632e8218f621b112a575cacf97d734dfe597a131a3e586771c1878624
[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" "740511d632e8218f621b112a575cacf97d734dfe597a131a3e586771c1878624", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling ndarray v0.8.4
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking smallvec v0.3.4
[INFO] [stderr]     Checking unicode-segmentation v1.7.0
[INFO] [stderr]     Checking json v0.11.15
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking itertools v0.5.10
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]     Checking raw_tty v0.1.0
[INFO] [stderr]     Checking unsegen v0.2.5
[INFO] [stderr]     Checking unsegen_jsonviewer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.74s
[INFO] running `Command { std: "docker" "inspect" "740511d632e8218f621b112a575cacf97d734dfe597a131a3e586771c1878624", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "740511d632e8218f621b112a575cacf97d734dfe597a131a3e586771c1878624", kill_on_drop: false }`
[INFO] [stdout] 740511d632e8218f621b112a575cacf97d734dfe597a131a3e586771c1878624