[INFO] fetching crate preferences-ron 2.0.1...
[INFO] checking preferences-ron-2.0.1 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate preferences-ron 2.0.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate preferences-ron 2.0.1 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate preferences-ron 2.0.1
[INFO] finished tweaking crates.io crate preferences-ron 2.0.1
[INFO] tweaked toml for crates.io crate preferences-ron 2.0.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded combine v4.6.0
[INFO] [stderr]   Downloaded derivative v2.2.0
[INFO] [stderr]   Downloaded cesu8 v1.1.0
[INFO] [stderr]   Downloaded jni v0.19.0
[INFO] [stderr]   Downloaded proc-macro-crate v1.0.0
[INFO] [stderr]   Downloaded ndk-glue v0.3.0
[INFO] [stderr]   Downloaded xdg v2.2.0
[INFO] [stderr]   Downloaded num_enum v0.5.2
[INFO] [stderr]   Downloaded app_dirs2 v2.3.2
[INFO] [stderr]   Downloaded ndk-sys v0.2.1
[INFO] [stderr]   Downloaded proc-macro-crate v0.1.5
[INFO] [stderr]   Downloaded ndk-macro v0.2.0
[INFO] [stderr]   Downloaded ron v0.6.4
[INFO] [stderr]   Downloaded num_enum_derive v0.5.2
[INFO] [stderr]   Downloaded ndk v0.3.0
[INFO] [stderr]   Downloaded jni-sys v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df5bad8e60571f32dcae4ad566802c746e7186c3ba7269083a0a732fa80cb281
[INFO] running `Command { std: "docker" "start" "-a" "df5bad8e60571f32dcae4ad566802c746e7186c3ba7269083a0a732fa80cb281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df5bad8e60571f32dcae4ad566802c746e7186c3ba7269083a0a732fa80cb281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df5bad8e60571f32dcae4ad566802c746e7186c3ba7269083a0a732fa80cb281", kill_on_drop: false }`
[INFO] [stdout] df5bad8e60571f32dcae4ad566802c746e7186c3ba7269083a0a732fa80cb281
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57d4ab87439f19ef1142ccbbafd10a9c93c440561641810151850e337d6ca314
[INFO] running `Command { std: "docker" "start" "-a" "57d4ab87439f19ef1142ccbbafd10a9c93c440561641810151850e337d6ca314", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking app_dirs2 v2.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking ron v0.6.4
[INFO] [stderr]     Checking preferences-ron v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.48s
[INFO] running `Command { std: "docker" "inspect" "57d4ab87439f19ef1142ccbbafd10a9c93c440561641810151850e337d6ca314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57d4ab87439f19ef1142ccbbafd10a9c93c440561641810151850e337d6ca314", kill_on_drop: false }`
[INFO] [stdout] 57d4ab87439f19ef1142ccbbafd10a9c93c440561641810151850e337d6ca314