[INFO] cloning repository https://github.com/thomshib/RustPlayground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thomshib/RustPlayground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomshib%2FRustPlayground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomshib%2FRustPlayground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1fddb1f0d9dcd6ae92b9502881a89dcab99c1c8
[INFO] checking thomshib/RustPlayground against master#c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2 for pr-142712
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomshib%2FRustPlayground" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/thomshib/RustPlayground
[INFO] finished tweaking git repo https://github.com/thomshib/RustPlayground
[INFO] tweaked toml for git repo https://github.com/thomshib/RustPlayground written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thomshib/RustPlayground on toolchain c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/thomshib/RustPlayground 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" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: bin.0.rand
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5cff21b7093c02074b418ff5525b19ffa9dd3ce90a28e9b2b72fb5a17bbd1e1a
[INFO] running `Command { std: "docker" "start" "-a" "5cff21b7093c02074b418ff5525b19ffa9dd3ce90a28e9b2b72fb5a17bbd1e1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cff21b7093c02074b418ff5525b19ffa9dd3ce90a28e9b2b72fb5a17bbd1e1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cff21b7093c02074b418ff5525b19ffa9dd3ce90a28e9b2b72fb5a17bbd1e1a", kill_on_drop: false }`
[INFO] [stdout] 5cff21b7093c02074b418ff5525b19ffa9dd3ce90a28e9b2b72fb5a17bbd1e1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fd143045fcf1da79cebdddd89fe93b536384e4fdb29643a3e24996d093d02a9
[INFO] running `Command { std: "docker" "start" "-a" "2fd143045fcf1da79cebdddd89fe93b536384e4fdb29643a3e24996d093d02a9", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: bin.0.rand
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stdout] error: error writing dependencies to `/opt/rustwide/target/debug/deps/rand-007bf889f3830885.d`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rand` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "2fd143045fcf1da79cebdddd89fe93b536384e4fdb29643a3e24996d093d02a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fd143045fcf1da79cebdddd89fe93b536384e4fdb29643a3e24996d093d02a9", kill_on_drop: false }`
[INFO] [stdout] 2fd143045fcf1da79cebdddd89fe93b536384e4fdb29643a3e24996d093d02a9