[INFO] cloning repository https://github.com/sutetako/rust_learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sutetako/rust_learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsutetako%2Frust_learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsutetako%2Frust_learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 69ae47d04f313d24b1b40ef9c7ea7c4f9920a3d0
[INFO] testing sutetako/rust_learning against master#61223975d46f794466efa832bc7562b9707ecc46+rustflags=-Copt-level=3 for pr-121282
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsutetako%2Frust_learning" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sutetako/rust_learning on toolchain 61223975d46f794466efa832bc7562b9707ecc46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sutetako/rust_learning
[INFO] finished tweaking git repo https://github.com/sutetako/rust_learning
[INFO] tweaked toml for git repo https://github.com/sutetako/rust_learning written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sutetako/rust_learning 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" "+61223975d46f794466efa832bc7562b9707ecc46" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 790eac74d6e433151c0f26e6f90f1ffa92ec658f9e592d7f43435d7002a828cc
[INFO] running `Command { std: "docker" "start" "-a" "790eac74d6e433151c0f26e6f90f1ffa92ec658f9e592d7f43435d7002a828cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "790eac74d6e433151c0f26e6f90f1ffa92ec658f9e592d7f43435d7002a828cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "790eac74d6e433151c0f26e6f90f1ffa92ec658f9e592d7f43435d7002a828cc", kill_on_drop: false }`
[INFO] [stdout] 790eac74d6e433151c0f26e6f90f1ffa92ec658f9e592d7f43435d7002a828cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cda98c41d87c5cd6f70070900caebe4575bc4ba5890958b8a7d7b3022cdc9d23
[INFO] running `Command { std: "docker" "start" "-a" "cda98c41d87c5cd6f70070900caebe4575bc4ba5890958b8a7d7b3022cdc9d23", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stdout] error: failed to write /tmp/rustcHmUSz6/lib.rmeta: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde_json` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "cda98c41d87c5cd6f70070900caebe4575bc4ba5890958b8a7d7b3022cdc9d23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cda98c41d87c5cd6f70070900caebe4575bc4ba5890958b8a7d7b3022cdc9d23", kill_on_drop: false }`
[INFO] [stdout] cda98c41d87c5cd6f70070900caebe4575bc4ba5890958b8a7d7b3022cdc9d23
[INFO] testing sutetako/rust_learning against try#d073071d77ce0f93b4fd8cc567a1e2b9e1b22126+rustflags=-Copt-level=3 for pr-121282
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsutetako%2Frust_learning" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] fatal: failed to create directory '/workspace/builds/worker-0-tc2/source/.git/objects/42': No space left on device
[INFO] [stderr] fatal: the remote end hung up unexpectedly
[INFO] testing sutetako/rust_learning against try#d073071d77ce0f93b4fd8cc567a1e2b9e1b22126+rustflags=-Copt-level=3 for pr-121282
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsutetako%2Frust_learning" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] fatal: failed to create directory '/workspace/builds/worker-0-tc2/source/.git/objects/42': No space left on device
[INFO] [stderr] fatal: the remote end hung up unexpectedly
[INFO] testing sutetako/rust_learning against try#d073071d77ce0f93b4fd8cc567a1e2b9e1b22126+rustflags=-Copt-level=3 for pr-121282
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsutetako%2Frust_learning" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] /workspace/builds/worker-0-tc2/source/.git/refs: No space left on device
[INFO] testing sutetako/rust_learning against try#d073071d77ce0f93b4fd8cc567a1e2b9e1b22126+rustflags=-Copt-level=3 for pr-121282
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsutetako%2Frust_learning" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] /workspace/builds/worker-0-tc2/source/.git/refs: No space left on device
[INFO] testing sutetako/rust_learning against try#d073071d77ce0f93b4fd8cc567a1e2b9e1b22126+rustflags=-Copt-level=3 for pr-121282
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsutetako%2Frust_learning" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] /workspace/builds/worker-0-tc2/source/.git/refs: No space left on device
[ERROR] this task or one of its parent failed!
[ERROR] failed to checkout https://github.com/sutetako/rust_learning
[ERROR] caused by: command failed: exit status: 1
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.