[INFO] cloning repository https://github.com/lk16/rust_json
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lk16/rust_json" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flk16%2Frust_json", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flk16%2Frust_json'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d05cdc65b162cfe0b3d6e8c93ad0d9bc6665d8ba
[INFO] checking lk16/rust_json against try#2b39fe756f52bc2825bf5b2bfc385cab922dae10 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flk16%2Frust_json" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lk16/rust_json
[INFO] finished tweaking git repo https://github.com/lk16/rust_json
[INFO] tweaked toml for git repo https://github.com/lk16/rust_json written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lk16/rust_json on toolchain 2b39fe756f52bc2825bf5b2bfc385cab922dae10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lk16/rust_json 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" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] afc23b22b4a6d7fdb1481a3e96291e1bbf7fa412432cf3bbebf923ce9199281a
[INFO] running `Command { std: "docker" "start" "-a" "afc23b22b4a6d7fdb1481a3e96291e1bbf7fa412432cf3bbebf923ce9199281a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afc23b22b4a6d7fdb1481a3e96291e1bbf7fa412432cf3bbebf923ce9199281a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afc23b22b4a6d7fdb1481a3e96291e1bbf7fa412432cf3bbebf923ce9199281a", kill_on_drop: false }`
[INFO] [stdout] afc23b22b4a6d7fdb1481a3e96291e1bbf7fa412432cf3bbebf923ce9199281a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a757024c8bd437edcf2b82b5f52eeea76512d1b4f0f457d692428b6daac3f52b
[INFO] running `Command { std: "docker" "start" "-a" "a757024c8bd437edcf2b82b5f52eeea76512d1b4f0f457d692428b6daac3f52b", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking rust_playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetarGKSDl"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_playground` (bin "rust_playground") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetajzooGz"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_playground` (bin "rust_playground" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "a757024c8bd437edcf2b82b5f52eeea76512d1b4f0f457d692428b6daac3f52b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a757024c8bd437edcf2b82b5f52eeea76512d1b4f0f457d692428b6daac3f52b", kill_on_drop: false }`
[INFO] [stdout] a757024c8bd437edcf2b82b5f52eeea76512d1b4f0f457d692428b6daac3f52b