[INFO] cloning repository https://github.com/neektwothousand/matrix-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neektwothousand/matrix-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneektwothousand%2Fmatrix-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneektwothousand%2Fmatrix-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 44959c36221cf8d7a222b40d7b5cc74dd343db55
[INFO] checking neektwothousand/matrix-rs against master#d93f678fa55842cccd2f091deccd93e9494b3764 for pr-138844
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneektwothousand%2Fmatrix-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/neektwothousand/matrix-rs on toolchain d93f678fa55842cccd2f091deccd93e9494b3764
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d93f678fa55842cccd2f091deccd93e9494b3764" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/neektwothousand/matrix-rs
[INFO] finished tweaking git repo https://github.com/neektwothousand/matrix-rs
[INFO] tweaked toml for git repo https://github.com/neektwothousand/matrix-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/neektwothousand/matrix-rs 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" "+d93f678fa55842cccd2f091deccd93e9494b3764" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ruma-identifiers-validation v0.10.0
[INFO] [stderr]   Downloaded ruma v0.11.1
[INFO] [stderr]   Downloaded vecrem v0.1.0
[INFO] [stderr]   Downloaded deadpool-sqlite v0.8.1
[INFO] [stderr]   Downloaded readlock v0.1.8
[INFO] [stderr]   Downloaded matrix-sdk-store-encryption v0.8.0
[INFO] [stderr]   Downloaded konst_kernel v0.3.10
[INFO] [stderr]   Downloaded eyeball-im v0.5.1
[INFO] [stderr]   Downloaded matrix-sdk-indexeddb v0.8.0
[INFO] [stderr]   Downloaded ruma-common v0.14.1
[INFO] [stderr]   Downloaded konst v0.3.11
[INFO] [stderr]   Downloaded matrix-sdk-common v0.8.0
[INFO] [stderr]   Downloaded ruma-events v0.29.1
[INFO] [stderr]   Downloaded ruma-macros v0.14.0
[INFO] [stderr]   Downloaded matrix-sdk-base v0.8.0
[INFO] [stderr]   Downloaded matrix-sdk-sqlite v0.8.0
[INFO] [stderr]   Downloaded ruma-federation-api v0.10.0
[INFO] [stderr]   Downloaded ruma-client-api v0.19.0
[INFO] [stderr]   Downloaded matrix-sdk-crypto v0.8.0
[INFO] [stderr]   Downloaded matrix-sdk v0.8.0
[INFO] [stderr]   Downloaded vodozemac v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+d93f678fa55842cccd2f091deccd93e9494b3764" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d31dba69b504ee0f1dab2062420be8d1e87e7e9f87573acb02ca747aaf1b14f6
[INFO] running `Command { std: "docker" "start" "-a" "d31dba69b504ee0f1dab2062420be8d1e87e7e9f87573acb02ca747aaf1b14f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d31dba69b504ee0f1dab2062420be8d1e87e7e9f87573acb02ca747aaf1b14f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d31dba69b504ee0f1dab2062420be8d1e87e7e9f87573acb02ca747aaf1b14f6", kill_on_drop: false }`
[INFO] [stdout] d31dba69b504ee0f1dab2062420be8d1e87e7e9f87573acb02ca747aaf1b14f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+d93f678fa55842cccd2f091deccd93e9494b3764" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd1d7a3104b8a73fc19168e0d5f5fc575b02a7e074fa5cee673fd69d4d34faed
[INFO] running `Command { std: "docker" "start" "-a" "cd1d7a3104b8a73fc19168e0d5f5fc575b02a7e074fa5cee673fd69d4d34faed", kill_on_drop: false }`
[INFO] [stderr] error: failed to create directory `/opt/rustwide/target/debug/build/generic-array-a9bec23394c2fa6c/out`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "cd1d7a3104b8a73fc19168e0d5f5fc575b02a7e074fa5cee673fd69d4d34faed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd1d7a3104b8a73fc19168e0d5f5fc575b02a7e074fa5cee673fd69d4d34faed", kill_on_drop: false }`
[INFO] [stdout] cd1d7a3104b8a73fc19168e0d5f5fc575b02a7e074fa5cee673fd69d4d34faed