[INFO] cloning repository https://github.com/genbyte/rnprefix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/genbyte/rnprefix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgenbyte%2Frnprefix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgenbyte%2Frnprefix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a93c4749f145e65f6910a3bcbaeb7b7373e22811
[INFO] checking genbyte/rnprefix against master#068609ce766e55d2e7371cd2a86143a6d7e8e2e4 for pr-138952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgenbyte%2Frnprefix" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/genbyte/rnprefix on toolchain 068609ce766e55d2e7371cd2a86143a6d7e8e2e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/genbyte/rnprefix
[INFO] finished tweaking git repo https://github.com/genbyte/rnprefix
[INFO] tweaked toml for git repo https://github.com/genbyte/rnprefix written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/genbyte/rnprefix 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" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad657322e5f1b432c4b4fdaa05a1186a4a74010c0dc39819031ee49e0ad3f42e
[INFO] running `Command { std: "docker" "start" "-a" "ad657322e5f1b432c4b4fdaa05a1186a4a74010c0dc39819031ee49e0ad3f42e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad657322e5f1b432c4b4fdaa05a1186a4a74010c0dc39819031ee49e0ad3f42e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad657322e5f1b432c4b4fdaa05a1186a4a74010c0dc39819031ee49e0ad3f42e", kill_on_drop: false }`
[INFO] [stdout] ad657322e5f1b432c4b4fdaa05a1186a4a74010c0dc39819031ee49e0ad3f42e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddf5bc4d9add1f1b974b96198989209d2422bec86d48a5f064b11d7c9620ba7d
[INFO] running `Command { std: "docker" "start" "-a" "ddf5bc4d9add1f1b974b96198989209d2422bec86d48a5f064b11d7c9620ba7d", kill_on_drop: false }`
[INFO] [stderr]     Checking rnprefix v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/.fingerprint/rnprefix-36e149195720a280/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] [stdout] warning: fields `rn`, `name`, and `offset` are never read
[INFO] [stdout]    --> src/lib.rs:105:2
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub struct Suffixes<'r> {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 105 |     rn: &'r Rnprefix,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 106 |     name: &'r str,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 107 |     offset: usize,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ddf5bc4d9add1f1b974b96198989209d2422bec86d48a5f064b11d7c9620ba7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddf5bc4d9add1f1b974b96198989209d2422bec86d48a5f064b11d7c9620ba7d", kill_on_drop: false }`
[INFO] [stdout] ddf5bc4d9add1f1b974b96198989209d2422bec86d48a5f064b11d7c9620ba7d