[INFO] cloning repository https://github.com/dandelion-blanc/practice15_asynchronous
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dandelion-blanc/practice15_asynchronous" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/dandelion-blanc/practice15_asynchronous
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dandelion-blanc/practice15_asynchronous" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[INFO] cloning repository https://github.com/dandelion-blanc/practice15_asynchronous
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dandelion-blanc/practice15_asynchronous" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 3)
[INFO] cloning repository https://github.com/dandelion-blanc/practice15_asynchronous
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dandelion-blanc/practice15_asynchronous" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 4)
[INFO] cloning repository https://github.com/dandelion-blanc/practice15_asynchronous
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dandelion-blanc/practice15_asynchronous" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 5)
[INFO] cloning repository https://github.com/dandelion-blanc/practice15_asynchronous
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dandelion-blanc/practice15_asynchronous" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 6)
[INFO] cloning repository https://github.com/dandelion-blanc/practice15_asynchronous
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dandelion-blanc/practice15_asynchronous" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 7)
[INFO] cloning repository https://github.com/dandelion-blanc/practice15_asynchronous
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dandelion-blanc/practice15_asynchronous" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 8)
[INFO] cloning repository https://github.com/dandelion-blanc/practice15_asynchronous
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dandelion-blanc/practice15_asynchronous" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 9)
[INFO] cloning repository https://github.com/dandelion-blanc/practice15_asynchronous
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dandelion-blanc/practice15_asynchronous" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 10)
[INFO] cloning repository https://github.com/dandelion-blanc/practice15_asynchronous
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dandelion-blanc/practice15_asynchronous" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 11)
[INFO] cloning repository https://github.com/dandelion-blanc/practice15_asynchronous
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dandelion-blanc/practice15_asynchronous" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 12)
[INFO] cloning repository https://github.com/dandelion-blanc/practice15_asynchronous
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dandelion-blanc/practice15_asynchronous" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 13)
[INFO] cloning repository https://github.com/dandelion-blanc/practice15_asynchronous
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dandelion-blanc/practice15_asynchronous" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 14)
[INFO] cloning repository https://github.com/dandelion-blanc/practice15_asynchronous
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dandelion-blanc/practice15_asynchronous" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e770e3b496e208856dd9605fa3bc88aff9f66bd0
[INFO] checking dandelion-blanc/practice15_asynchronous against try#b2fb67b8b6007ced9ad3f3b752a6fec899e7859c for pr-138915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dandelion-blanc/practice15_asynchronous on toolchain b2fb67b8b6007ced9ad3f3b752a6fec899e7859c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2fb67b8b6007ced9ad3f3b752a6fec899e7859c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dandelion-blanc/practice15_asynchronous
[INFO] finished tweaking git repo https://github.com/dandelion-blanc/practice15_asynchronous
[INFO] tweaked toml for git repo https://github.com/dandelion-blanc/practice15_asynchronous written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dandelion-blanc/practice15_asynchronous 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" "+b2fb67b8b6007ced9ad3f3b752a6fec899e7859c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: failed to save last-use data
[INFO] [stderr] This may prevent cargo from accurately tracking what is being used in its global cache. This information is used for automatically removing unused data in the cache.
[INFO] [stderr] 
[INFO] [stderr] database or disk is full
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Error code 13: Insertion failed because database is full
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+b2fb67b8b6007ced9ad3f3b752a6fec899e7859c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd6a40a070a826402548fbc1c62e62ed442dd31e70f8b822941d5efd07211389
[INFO] running `Command { std: "docker" "start" "-a" "bd6a40a070a826402548fbc1c62e62ed442dd31e70f8b822941d5efd07211389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd6a40a070a826402548fbc1c62e62ed442dd31e70f8b822941d5efd07211389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd6a40a070a826402548fbc1c62e62ed442dd31e70f8b822941d5efd07211389", kill_on_drop: false }`
[INFO] [stdout] bd6a40a070a826402548fbc1c62e62ed442dd31e70f8b822941d5efd07211389
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+b2fb67b8b6007ced9ad3f3b752a6fec899e7859c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aae8814c86a5b6e91d4b1589160d03b6f4e8fa65b422f8e4ca35be8cb1459482
[INFO] running `Command { std: "docker" "start" "-a" "aae8814c86a5b6e91d4b1589160d03b6f4e8fa65b422f8e4ca35be8cb1459482", kill_on_drop: false }`
[INFO] [stderr] error: failed to create directory `/opt/rustwide/target/debug/.fingerprint/libc-5fafe650748eb983`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "aae8814c86a5b6e91d4b1589160d03b6f4e8fa65b422f8e4ca35be8cb1459482", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aae8814c86a5b6e91d4b1589160d03b6f4e8fa65b422f8e4ca35be8cb1459482", kill_on_drop: false }`
[INFO] [stdout] aae8814c86a5b6e91d4b1589160d03b6f4e8fa65b422f8e4ca35be8cb1459482