[INFO] cloning repository https://github.com/wangtaohhh/rustlings-solution
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wangtaohhh/rustlings-solution" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangtaohhh%2Frustlings-solution", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangtaohhh%2Frustlings-solution'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f442cdcdcce6637d07dd9de99d331d28105afefa
[INFO] checking wangtaohhh/rustlings-solution against try#8cf44c88fc5805dc578c5c987397615b47d2e2b2 for pr-136764
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangtaohhh%2Frustlings-solution" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/wangtaohhh/rustlings-solution on toolchain 8cf44c88fc5805dc578c5c987397615b47d2e2b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wangtaohhh/rustlings-solution
[INFO] finished tweaking git repo https://github.com/wangtaohhh/rustlings-solution
[INFO] tweaked toml for git repo https://github.com/wangtaohhh/rustlings-solution written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/wangtaohhh/rustlings-solution 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" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 000e74d93e5823da274cbc15b29834e0fe012050a93553199acdb04c32a17234
[INFO] running `Command { std: "docker" "start" "-a" "000e74d93e5823da274cbc15b29834e0fe012050a93553199acdb04c32a17234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "000e74d93e5823da274cbc15b29834e0fe012050a93553199acdb04c32a17234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "000e74d93e5823da274cbc15b29834e0fe012050a93553199acdb04c32a17234", kill_on_drop: false }`
[INFO] [stdout] 000e74d93e5823da274cbc15b29834e0fe012050a93553199acdb04c32a17234
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42f37fa18b90dd783fbe37cb1b20ff22bc958efa585ea13171eb86a9f7076d52
[INFO] running `Command { std: "docker" "start" "-a" "42f37fa18b90dd783fbe37cb1b20ff22bc958efa585ea13171eb86a9f7076d52", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/build/proc-macro2-3115a3c86a0f44e8/output`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/build/libc-b913ee94864ee14b/output`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stdout] error: error writing dependencies to `/opt/rustwide/target/debug/deps/memchr-056caa0b9feba4dd.d`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `memchr` (lib) due to 1 previous error
[INFO] [stdout] error: error writing dependencies to `/opt/rustwide/target/debug/deps/regex_syntax-723d0d27d256b4a8.d`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regex-syntax` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "42f37fa18b90dd783fbe37cb1b20ff22bc958efa585ea13171eb86a9f7076d52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42f37fa18b90dd783fbe37cb1b20ff22bc958efa585ea13171eb86a9f7076d52", kill_on_drop: false }`
[INFO] [stdout] 42f37fa18b90dd783fbe37cb1b20ff22bc958efa585ea13171eb86a9f7076d52