[INFO] fetching crate dstore 0.2.0...
[INFO] testing dstore-0.2.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate dstore 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate dstore 0.2.0
[INFO] finished tweaking crates.io crate dstore 0.2.0
[INFO] tweaked toml for crates.io crate dstore 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dstore 0.2.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dstore 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.38
[INFO] [stderr]   Downloaded quote v1.0.8
[INFO] [stderr]   Downloaded which v4.1.0
[INFO] [stderr]   Downloaded log v0.4.13
[INFO] [stderr]   Downloaded async-stream-impl v0.3.1
[INFO] [stderr]   Downloaded bytes v1.0.0
[INFO] [stderr]   Downloaded async-stream v0.3.1
[INFO] [stderr]   Downloaded futures-core v0.3.14
[INFO] [stderr]   Downloaded tracing-futures v0.2.4
[INFO] [stderr]   Downloaded futures-io v0.3.14
[INFO] [stderr]   Downloaded futures v0.3.14
[INFO] [stderr]   Downloaded heck v0.3.2
[INFO] [stderr]   Downloaded rand v0.8.3
[INFO] [stderr]   Downloaded http v0.2.3
[INFO] [stderr]   Downloaded hyper v0.14.7
[INFO] [stderr]   Downloaded h2 v0.3.3
[INFO] [stderr]   Downloaded syn v1.0.58
[INFO] [stderr]   Downloaded futures-util v0.3.14
[INFO] [stderr]   Downloaded tower v0.4.7
[INFO] [stderr]   Downloaded unicode-segmentation v1.7.1
[INFO] [stderr]   Downloaded mio v0.7.11
[INFO] [stderr]   Downloaded tokio v1.5.0
[INFO] [stderr]   Downloaded tokio-util v0.6.6
[INFO] [stderr]   Downloaded tracing v0.1.22
[INFO] [stderr]   Downloaded tonic v0.4.3
[INFO] [stderr]   Downloaded multimap v0.8.2
[INFO] [stderr]   Downloaded httparse v1.4.0
[INFO] [stderr]   Downloaded pin-project-internal v1.0.4
[INFO] [stderr]   Downloaded pin-project v1.0.4
[INFO] [stderr]   Downloaded tracing-core v0.1.17
[INFO] [stderr]   Downloaded pin-project-internal v0.4.27
[INFO] [stderr]   Downloaded pin-project v0.4.27
[INFO] [stderr]   Downloaded pin-project-lite v0.2.4
[INFO] [stderr]   Downloaded async-trait v0.1.42
[INFO] [stderr]   Downloaded futures-channel v0.3.14
[INFO] [stderr]   Downloaded httpdate v1.0.0
[INFO] [stderr]   Downloaded socket2 v0.4.0
[INFO] [stderr]   Downloaded futures-task v0.3.14
[INFO] [stderr]   Downloaded rand_core v0.6.2
[INFO] [stderr]   Downloaded rand_hc v0.3.0
[INFO] [stderr]   Downloaded tokio-stream v0.1.5
[INFO] [stderr]   Downloaded once_cell v1.5.2
[INFO] [stderr]   Downloaded signal-hook-registry v1.3.0
[INFO] [stderr]   Downloaded tracing-attributes v0.1.11
[INFO] [stderr]   Downloaded indexmap v1.6.1
[INFO] [stderr]   Downloaded http-body v0.4.1
[INFO] [stderr]   Downloaded rand_chacha v0.3.0
[INFO] [stderr]   Downloaded futures-sink v0.3.14
[INFO] [stderr]   Downloaded redox_syscall v0.2.8
[INFO] [stderr]   Downloaded tokio-macros v1.1.0
[INFO] [stderr]   Downloaded tower-service v0.3.0
[INFO] [stderr]   Downloaded tonic-build v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d75d9134f9e4a062c694767139021e964e3f903f7ccb4c5ee8b20c8cfdbbdb41
[INFO] running `Command { std: "docker" "start" "-a" "d75d9134f9e4a062c694767139021e964e3f903f7ccb4c5ee8b20c8cfdbbdb41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d75d9134f9e4a062c694767139021e964e3f903f7ccb4c5ee8b20c8cfdbbdb41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d75d9134f9e4a062c694767139021e964e3f903f7ccb4c5ee8b20c8cfdbbdb41", kill_on_drop: false }`
[INFO] [stdout] d75d9134f9e4a062c694767139021e964e3f903f7ccb4c5ee8b20c8cfdbbdb41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d4efcd29f743d1ad0bad4e9c184c474aaf35bf83b5faf39759a8c4cf57a9a58
[INFO] running `Command { std: "docker" "start" "-a" "4d4efcd29f743d1ad0bad4e9c184c474aaf35bf83b5faf39759a8c4cf57a9a58", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling bytes v1.0.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling futures-core v0.3.14
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling futures-sink v0.3.14
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling futures-task v0.3.14
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling futures-util v0.3.14
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling multimap v0.8.2
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling httparse v1.4.0
[INFO] [stderr]    Compiling futures-channel v0.3.14
[INFO] [stderr]    Compiling tower-service v0.3.0
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling http v0.2.3
[INFO] [stderr]    Compiling tower-layer v0.3.1
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling httpdate v1.0.0
[INFO] [stderr]    Compiling futures-io v0.3.14
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling which v4.1.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling http-body v0.4.1
[INFO] [stderr]    Compiling futures v0.3.14
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling pin-project-internal v1.0.4
[INFO] [stderr]    Compiling async-stream-impl v0.3.1
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling async-stream v0.3.1
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling pin-project v1.0.4
[INFO] [stderr]    Compiling prost v0.7.0
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling prost-types v0.7.0
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling tonic-build v0.4.2
[INFO] [stderr]    Compiling dstore v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-util v0.6.6
[INFO] [stderr]    Compiling tokio-stream v0.1.5
[INFO] [stderr] error: failed to run custom build command for `dstore v0.2.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/dstore-8374a5ad41129a54/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the custom toolchain 'c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38'.
[INFO] [stderr]   note: this is a custom toolchain, which cannot use `rustup component add`
[INFO] [stderr]   help: if you built this toolchain from source, and used `rustup toolchain link`, then you may be able to build the component with `x.py`
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4d4efcd29f743d1ad0bad4e9c184c474aaf35bf83b5faf39759a8c4cf57a9a58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d4efcd29f743d1ad0bad4e9c184c474aaf35bf83b5faf39759a8c4cf57a9a58", kill_on_drop: false }`
[INFO] [stdout] 4d4efcd29f743d1ad0bad4e9c184c474aaf35bf83b5faf39759a8c4cf57a9a58