[INFO] fetching crate ledgers-api 0.1.0...
[INFO] checking ledgers-api-0.1.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate ledgers-api 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ledgers-api 0.1.0 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ledgers-api 0.1.0
[INFO] finished tweaking crates.io crate ledgers-api 0.1.0
[INFO] tweaked toml for crates.io crate ledgers-api 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--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 tonic-build v0.2.0
[INFO] [stderr]   Downloaded tonic v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1680c2b107b7b2b1834b575bb5619c1ceecbfd2130eaf2f431511a5fb25d56dd
[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" "1680c2b107b7b2b1834b575bb5619c1ceecbfd2130eaf2f431511a5fb25d56dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1680c2b107b7b2b1834b575bb5619c1ceecbfd2130eaf2f431511a5fb25d56dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1680c2b107b7b2b1834b575bb5619c1ceecbfd2130eaf2f431511a5fb25d56dd", kill_on_drop: false }`
[INFO] [stdout] 1680c2b107b7b2b1834b575bb5619c1ceecbfd2130eaf2f431511a5fb25d56dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66d28e4692b0a4b2b27fb8af8ed427c62a734f68c5b4162313fd2af714f6dfdb
[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" "66d28e4692b0a4b2b27fb8af8ed427c62a734f68c5b4162313fd2af714f6dfdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling httparse v1.4.0
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tower-make v0.3.0
[INFO] [stderr]     Checking tower-ready-cache v0.3.1
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]     Checking async-stream v0.2.1
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]     Checking pin-project v0.4.28
[INFO] [stderr]     Checking tower-discover v0.3.0
[INFO] [stderr]     Checking tower-timeout v0.3.0
[INFO] [stderr]     Checking tower-buffer v0.3.0
[INFO] [stderr]     Checking tower-util v0.3.1
[INFO] [stderr]     Checking tower-load-shed v0.3.0
[INFO] [stderr]     Checking tower-retry v0.3.0
[INFO] [stderr]     Checking tower-load v0.3.0
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]     Checking tower-limit v0.3.1
[INFO] [stderr]     Checking tower-balance v0.3.0
[INFO] [stderr]     Checking tower v0.3.1
[INFO] [stderr]    Compiling tonic-build v0.2.0
[INFO] [stderr]    Compiling ledgers-api v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr] error: failed to run custom build command for `ledgers-api v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/ledgers-api-0d43f136f5e35ec8/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the toolchain '45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4'
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "66d28e4692b0a4b2b27fb8af8ed427c62a734f68c5b4162313fd2af714f6dfdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66d28e4692b0a4b2b27fb8af8ed427c62a734f68c5b4162313fd2af714f6dfdb", kill_on_drop: false }`
[INFO] [stdout] 66d28e4692b0a4b2b27fb8af8ed427c62a734f68c5b4162313fd2af714f6dfdb