[INFO] fetching crate unsegen_jsonviewer 0.3.0...
[INFO] checking unsegen_jsonviewer-0.3.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate unsegen_jsonviewer 0.3.0 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate unsegen_jsonviewer 0.3.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unsegen_jsonviewer 0.3.0
[INFO] finished tweaking crates.io crate unsegen_jsonviewer 0.3.0
[INFO] tweaked toml for crates.io crate unsegen_jsonviewer 0.3.0 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded json v0.11.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e84763423a0f2c82df3f2980cb2b2bbe7e2cb6b7dd0dcb7040af064e79173724
[INFO] running `Command { std: "docker" "start" "-a" "e84763423a0f2c82df3f2980cb2b2bbe7e2cb6b7dd0dcb7040af064e79173724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e84763423a0f2c82df3f2980cb2b2bbe7e2cb6b7dd0dcb7040af064e79173724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e84763423a0f2c82df3f2980cb2b2bbe7e2cb6b7dd0dcb7040af064e79173724", kill_on_drop: false }`
[INFO] [stdout] e84763423a0f2c82df3f2980cb2b2bbe7e2cb6b7dd0dcb7040af064e79173724
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1efa7895def745a2010cf26b8ee3d95949df8b051f6979a0132ea3bfd9a541eb
[INFO] running `Command { std: "docker" "start" "-a" "1efa7895def745a2010cf26b8ee3d95949df8b051f6979a0132ea3bfd9a541eb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling ndarray v0.8.4
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking smallvec v0.3.4
[INFO] [stderr]     Checking json v0.11.15
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking itertools v0.5.10
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]     Checking raw_tty v0.1.0
[INFO] [stderr]     Checking unsegen v0.3.0
[INFO] [stderr]     Checking unsegen_jsonviewer v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.23s
[INFO] running `Command { std: "docker" "inspect" "1efa7895def745a2010cf26b8ee3d95949df8b051f6979a0132ea3bfd9a541eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1efa7895def745a2010cf26b8ee3d95949df8b051f6979a0132ea3bfd9a541eb", kill_on_drop: false }`
[INFO] [stdout] 1efa7895def745a2010cf26b8ee3d95949df8b051f6979a0132ea3bfd9a541eb