[INFO] cloning repository https://github.com/obed-smart/rust_todo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/obed-smart/rust_todo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobed-smart%2Frust_todo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobed-smart%2Frust_todo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c929c682c737fdc02dca555aae0db477f9900a27
[INFO] checking obed-smart/rust_todo against try#4949cf2f817beadb9a248d423b6d55d6d2398ffe for pr-142681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobed-smart%2Frust_todo" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/obed-smart/rust_todo
[INFO] finished tweaking git repo https://github.com/obed-smart/rust_todo
[INFO] tweaked toml for git repo https://github.com/obed-smart/rust_todo written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/obed-smart/rust_todo on toolchain 4949cf2f817beadb9a248d423b6d55d6d2398ffe
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/obed-smart/rust_todo 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" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46dea86c3255c907af7185cc9820f95df3ce8b5f12c503b1fe2e5ea517c5d1e1
[INFO] running `Command { std: "docker" "start" "-a" "46dea86c3255c907af7185cc9820f95df3ce8b5f12c503b1fe2e5ea517c5d1e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46dea86c3255c907af7185cc9820f95df3ce8b5f12c503b1fe2e5ea517c5d1e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46dea86c3255c907af7185cc9820f95df3ce8b5f12c503b1fe2e5ea517c5d1e1", kill_on_drop: false }`
[INFO] [stdout] 46dea86c3255c907af7185cc9820f95df3ce8b5f12c503b1fe2e5ea517c5d1e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 449a08db48243e66cd9e39c88bf4ca31a8838584f774db53a51dbd96e8dde495
[INFO] running `Command { std: "docker" "start" "-a" "449a08db48243e66cd9e39c88bf4ca31a8838584f774db53a51dbd96e8dde495", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stdout] error: failed to write /tmp/rustcUz0EkK/symbols.o: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde_derive` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "449a08db48243e66cd9e39c88bf4ca31a8838584f774db53a51dbd96e8dde495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "449a08db48243e66cd9e39c88bf4ca31a8838584f774db53a51dbd96e8dde495", kill_on_drop: false }`
[INFO] [stdout] 449a08db48243e66cd9e39c88bf4ca31a8838584f774db53a51dbd96e8dde495