[INFO] cloning repository https://github.com/darcien/rustlings
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/darcien/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarcien%2Frustlings", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarcien%2Frustlings'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5460a312cc2944aaa8b52d7e16a49a170721be0d
[INFO] checking darcien/rustlings against master#17ffbc81a30c094193836a5d7f90dff273b5df93 for pr-138785
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarcien%2Frustlings" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/darcien/rustlings on toolchain 17ffbc81a30c094193836a5d7f90dff273b5df93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/darcien/rustlings
[INFO] finished tweaking git repo https://github.com/darcien/rustlings
[INFO] tweaked toml for git repo https://github.com/darcien/rustlings written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/darcien/rustlings 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" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbb5e1dd3d8bb056b302e65f06b4f61ef4db8a6db4cfbb6cd9b6b17a15f22455
[INFO] running `Command { std: "docker" "start" "-a" "fbb5e1dd3d8bb056b302e65f06b4f61ef4db8a6db4cfbb6cd9b6b17a15f22455", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbb5e1dd3d8bb056b302e65f06b4f61ef4db8a6db4cfbb6cd9b6b17a15f22455", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbb5e1dd3d8bb056b302e65f06b4f61ef4db8a6db4cfbb6cd9b6b17a15f22455", kill_on_drop: false }`
[INFO] [stdout] fbb5e1dd3d8bb056b302e65f06b4f61ef4db8a6db4cfbb6cd9b6b17a15f22455
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bea1d94ae208337441547f08faa73229a964a5a37d6da648c6b161b721f040b
[INFO] running `Command { std: "docker" "start" "-a" "5bea1d94ae208337441547f08faa73229a964a5a37d6da648c6b161b721f040b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/.fingerprint/ucd-util-6d081a364331de11/invoked.timestamp`
[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/.fingerprint/syn-6d607755d9a5a26a/invoked.timestamp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/.fingerprint/smallvec-a822b76ab2b9fd61/invoked.timestamp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/.fingerprint/unicode-xid-c15504178e575201/invoked.timestamp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/.fingerprint/scopeguard-4adb2096d5c242fb/invoked.timestamp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/.fingerprint/regex-e6d612bc73b1bbd3/invoked.timestamp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/.fingerprint/serde-27d3ef2e0ea55115/invoked.timestamp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/.fingerprint/utf8-ranges-6bc649b815d352d7/invoked.timestamp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/build/libc-594d82aba9dce377/rmetayrj4BS"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaUC7Psb"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmeta0GZyZ1/full.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cfg-if` (lib) due to 1 previous error
[INFO] [stderr] error: could not compile `lazy_static` (lib) due to 1 previous error
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/build/memchr-a0977c97318ee381/rmetaBLe4At"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `memchr` (build script) due to 1 previous error
[INFO] [stderr] error: could not compile `libc` (build script) due to 1 previous error
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/build/proc-macro2-8c4650582cd3e1e2/rmetaMst17X"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetasqgHHb"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (build script) due to 1 previous error
[INFO] [stderr] error: could not compile `semver-parser` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "5bea1d94ae208337441547f08faa73229a964a5a37d6da648c6b161b721f040b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bea1d94ae208337441547f08faa73229a964a5a37d6da648c6b161b721f040b", kill_on_drop: false }`
[INFO] [stdout] 5bea1d94ae208337441547f08faa73229a964a5a37d6da648c6b161b721f040b