[INFO] fetching crate backproof-sdk 0.1.1...
[INFO] checking backproof-sdk-0.1.1 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate backproof-sdk 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate backproof-sdk 0.1.1 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate backproof-sdk 0.1.1
[INFO] finished tweaking crates.io crate backproof-sdk 0.1.1
[INFO] tweaked toml for crates.io crate backproof-sdk 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate backproof-sdk 0.1.1 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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tonic-build v0.6.2
[INFO] [stderr]   Downloaded tracing-core v0.1.23
[INFO] [stderr]   Downloaded quote v1.0.16
[INFO] [stderr]   Downloaded tracing-attributes v0.1.20
[INFO] [stderr]   Downloaded once_cell v1.10.0
[INFO] [stderr]   Downloaded async-stream-impl v0.3.3
[INFO] [stderr]   Downloaded fixedbitset v0.4.1
[INFO] [stderr]   Downloaded which v4.2.5
[INFO] [stderr]   Downloaded async-stream v0.3.3
[INFO] [stderr]   Downloaded tokio-macros v1.7.0
[INFO] [stderr]   Downloaded httparse v1.6.0
[INFO] [stderr]   Downloaded tokio-stream v0.1.8
[INFO] [stderr]   Downloaded prost-types v0.9.0
[INFO] [stderr]   Downloaded http v0.2.6
[INFO] [stderr]   Downloaded mio v0.8.2
[INFO] [stderr]   Downloaded tower v0.4.12
[INFO] [stderr]   Downloaded h2 v0.3.12
[INFO] [stderr]   Downloaded tokio v1.17.0
[INFO] [stderr]   Downloaded libc v0.2.121
[INFO] [stderr]   Downloaded hyper v0.14.18
[INFO] [stderr]   Downloaded petgraph v0.6.0
[INFO] [stderr]   Downloaded regex v1.5.5
[INFO] [stderr]   Downloaded syn v1.0.89
[INFO] [stderr]   Downloaded tokio-util v0.7.0
[INFO] [stderr]   Downloaded tonic v0.6.2
[INFO] [stderr]   Downloaded indexmap v1.8.0
[INFO] [stderr]   Downloaded anyhow v1.0.56
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.9
[INFO] [stderr]   Downloaded tracing v0.1.32
[INFO] [stderr]   Downloaded multimap v0.8.3
[INFO] [stderr]   Downloaded prost-build v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d884e9551a3b591ab94742386eca531e9275247c3650b220cd76d86a3aa0fc3
[INFO] running `Command { std: "docker" "start" "-a" "2d884e9551a3b591ab94742386eca531e9275247c3650b220cd76d86a3aa0fc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d884e9551a3b591ab94742386eca531e9275247c3650b220cd76d86a3aa0fc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d884e9551a3b591ab94742386eca531e9275247c3650b220cd76d86a3aa0fc3", kill_on_drop: false }`
[INFO] [stdout] 2d884e9551a3b591ab94742386eca531e9275247c3650b220cd76d86a3aa0fc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27c5c8a1e75711e6bac334220ed875d90ce3d29d5ca8909d49f814c38c920b0b
[INFO] running `Command { std: "docker" "start" "-a" "27c5c8a1e75711e6bac334220ed875d90ce3d29d5ca8909d49f814c38c920b0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]     Checking tracing-core v0.1.23
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]    Compiling prost-build v0.9.0
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]    Compiling fixedbitset v0.4.1
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling httparse v1.6.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling petgraph v0.6.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]     Checking tracing-subscriber v0.3.9
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling prost-derive v0.9.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking async-stream v0.3.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking tracing v0.1.32
[INFO] [stderr]    Compiling prost v0.9.0
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]    Compiling prost-types v0.9.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]    Compiling tonic-build v0.6.2
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-io-timeout v1.2.0
[INFO] [stderr]     Checking tokio-util v0.7.0
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]     Checking tower v0.4.12
[INFO] [stderr]     Checking h2 v0.3.12
[INFO] [stderr]    Compiling backproof-sdk v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `backproof-sdk v0.1.1 (/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/backproof-sdk-19a3f65886fcf0dd/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the custom toolchain 'c2f2db79ca3024f68d22b45aa22b570775c2c4ad'.
[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" "27c5c8a1e75711e6bac334220ed875d90ce3d29d5ca8909d49f814c38c920b0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27c5c8a1e75711e6bac334220ed875d90ce3d29d5ca8909d49f814c38c920b0b", kill_on_drop: false }`
[INFO] [stdout] 27c5c8a1e75711e6bac334220ed875d90ce3d29d5ca8909d49f814c38c920b0b
[INFO] checking backproof-sdk-0.1.1 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate backproof-sdk 0.1.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate backproof-sdk 0.1.1 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate backproof-sdk 0.1.1
[INFO] finished tweaking crates.io crate backproof-sdk 0.1.1
[INFO] tweaked toml for crates.io crate backproof-sdk 0.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate backproof-sdk 0.1.1 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" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61f6c8e10a337bc13084c0bfc48d13c6ff16bcaa6d6509fa9ef6b245c30f211f
[INFO] running `Command { std: "docker" "start" "-a" "61f6c8e10a337bc13084c0bfc48d13c6ff16bcaa6d6509fa9ef6b245c30f211f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61f6c8e10a337bc13084c0bfc48d13c6ff16bcaa6d6509fa9ef6b245c30f211f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61f6c8e10a337bc13084c0bfc48d13c6ff16bcaa6d6509fa9ef6b245c30f211f", kill_on_drop: false }`
[INFO] [stdout] 61f6c8e10a337bc13084c0bfc48d13c6ff16bcaa6d6509fa9ef6b245c30f211f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68995efeb2092420f2dfb607d864a36f176ed5c0d745b88224521de123314c1d
[INFO] running `Command { std: "docker" "start" "-a" "68995efeb2092420f2dfb607d864a36f176ed5c0d745b88224521de123314c1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]     Checking tracing-core v0.1.23
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling prost-build v0.9.0
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling httparse v1.6.0
[INFO] [stderr]    Compiling fixedbitset v0.4.1
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling petgraph v0.6.0
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]     Checking tracing-subscriber v0.3.9
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling prost-derive v0.9.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking async-stream v0.3.3
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking tracing v0.1.32
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]    Compiling prost v0.9.0
[INFO] [stderr]    Compiling prost-types v0.9.0
[INFO] [stderr]    Compiling tonic-build v0.6.2
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-io-timeout v1.2.0
[INFO] [stderr]     Checking tokio-util v0.7.0
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]     Checking tower v0.4.12
[INFO] [stderr]     Checking h2 v0.3.12
[INFO] [stderr]    Compiling backproof-sdk v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `backproof-sdk v0.1.1 (/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/backproof-sdk-19a3f65886fcf0dd/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the custom toolchain '9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88'.
[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" "68995efeb2092420f2dfb607d864a36f176ed5c0d745b88224521de123314c1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68995efeb2092420f2dfb607d864a36f176ed5c0d745b88224521de123314c1d", kill_on_drop: false }`
[INFO] [stdout] 68995efeb2092420f2dfb607d864a36f176ed5c0d745b88224521de123314c1d
