[INFO] fetching crate dendrite 0.6.0...
[INFO] checking dendrite-0.6.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate dendrite 0.6.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate dendrite 0.6.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dendrite 0.6.0
[INFO] finished tweaking crates.io crate dendrite 0.6.0
[INFO] tweaked toml for crates.io crate dendrite 0.6.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] befa4b9ff30a5186866021841011d9b1180268ce2c9bb8023da12ae07b368f9d
[INFO] running `Command { std: "docker" "start" "-a" "befa4b9ff30a5186866021841011d9b1180268ce2c9bb8023da12ae07b368f9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "befa4b9ff30a5186866021841011d9b1180268ce2c9bb8023da12ae07b368f9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "befa4b9ff30a5186866021841011d9b1180268ce2c9bb8023da12ae07b368f9d", kill_on_drop: false }`
[INFO] [stdout] befa4b9ff30a5186866021841011d9b1180268ce2c9bb8023da12ae07b368f9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f70ccbad5f750a6117ddf89d7c7e6b615f607eb06ec3c11f257a582908d862c
[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" "9f70ccbad5f750a6117ddf89d7c7e6b615f607eb06ec3c11f257a582908d862c", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]     Checking lru v0.6.5
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking futures-channel v0.3.16
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]     Checking async-stream v0.3.2
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]    Compiling prost v0.7.0
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking tokio-stream v0.1.7
[INFO] [stderr]    Compiling prost-types v0.7.0
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking tower v0.4.8
[INFO] [stderr]    Compiling tonic-build v0.4.2
[INFO] [stderr]    Compiling dendrite v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hyper v0.14.11
[INFO] [stderr] error: failed to run custom build command for `dendrite v0.6.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/dendrite-626892d76d6da847/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9f70ccbad5f750a6117ddf89d7c7e6b615f607eb06ec3c11f257a582908d862c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f70ccbad5f750a6117ddf89d7c7e6b615f607eb06ec3c11f257a582908d862c", kill_on_drop: false }`
[INFO] [stdout] 9f70ccbad5f750a6117ddf89d7c7e6b615f607eb06ec3c11f257a582908d862c