[INFO] cloning repository https://github.com/krdln/jsonflat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/krdln/jsonflat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrdln%2Fjsonflat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrdln%2Fjsonflat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99afe324ab7faf94b71caf9a7f83bdd7ebc406e9
[INFO] checking krdln/jsonflat against master#cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9 for pr-136968
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrdln%2Fjsonflat" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/krdln/jsonflat on toolchain cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/krdln/jsonflat
[INFO] finished tweaking git repo https://github.com/krdln/jsonflat
[INFO] tweaked toml for git repo https://github.com/krdln/jsonflat written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/krdln/jsonflat 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" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f27941555427bef5dcd3da048e9acd859988ed770ea2a84a84df16b10f67a68e
[INFO] running `Command { std: "docker" "start" "-a" "f27941555427bef5dcd3da048e9acd859988ed770ea2a84a84df16b10f67a68e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f27941555427bef5dcd3da048e9acd859988ed770ea2a84a84df16b10f67a68e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f27941555427bef5dcd3da048e9acd859988ed770ea2a84a84df16b10f67a68e", kill_on_drop: false }`
[INFO] [stdout] f27941555427bef5dcd3da048e9acd859988ed770ea2a84a84df16b10f67a68e
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d67740c864945af29231cab35712ee4dd209986c5e3ae97d3a7ac163ad4d64ce
[INFO] running `Command { std: "docker" "start" "-a" "d67740c864945af29231cab35712ee4dd209986c5e3ae97d3a7ac163ad4d64ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/build/ryu-cccda25cedcd9bd5/rmeta0MSIR6"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/build/serde-e3aad0b8a381418e/rmetaISVScC"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde` (build script) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ryu` (build script) due to 1 previous error
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetakeICq6"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `itoa` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "d67740c864945af29231cab35712ee4dd209986c5e3ae97d3a7ac163ad4d64ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d67740c864945af29231cab35712ee4dd209986c5e3ae97d3a7ac163ad4d64ce", kill_on_drop: false }`
[INFO] [stdout] d67740c864945af29231cab35712ee4dd209986c5e3ae97d3a7ac163ad4d64ce