[INFO] cloning repository https://github.com/joergbrech/graphtest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joergbrech/graphtest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoergbrech%2Fgraphtest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoergbrech%2Fgraphtest'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoergbrech%2Fgraphtest/objects/info: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/joergbrech/graphtest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joergbrech/graphtest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoergbrech%2Fgraphtest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoergbrech%2Fgraphtest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7064682019f038a8249f7c91afe13cb39cf84c44
[INFO] checking joergbrech/graphtest against master#419b3e2d3e350822550eee0e82eeded4d324d584 for pr-135536
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoergbrech%2Fgraphtest" "/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/joergbrech/graphtest on toolchain 419b3e2d3e350822550eee0e82eeded4d324d584
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+419b3e2d3e350822550eee0e82eeded4d324d584" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/joergbrech/graphtest
[INFO] finished tweaking git repo https://github.com/joergbrech/graphtest
[INFO] tweaked toml for git repo https://github.com/joergbrech/graphtest written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/joergbrech/graphtest 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" "+419b3e2d3e350822550eee0e82eeded4d324d584" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+419b3e2d3e350822550eee0e82eeded4d324d584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55b84557db60adbcd2b0ed3e1e6da00dc2a0682810b0f2885b1240842355470c
[INFO] running `Command { std: "docker" "start" "-a" "55b84557db60adbcd2b0ed3e1e6da00dc2a0682810b0f2885b1240842355470c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55b84557db60adbcd2b0ed3e1e6da00dc2a0682810b0f2885b1240842355470c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55b84557db60adbcd2b0ed3e1e6da00dc2a0682810b0f2885b1240842355470c", kill_on_drop: false }`
[INFO] [stdout] 55b84557db60adbcd2b0ed3e1e6da00dc2a0682810b0f2885b1240842355470c
[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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+419b3e2d3e350822550eee0e82eeded4d324d584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b7ab8fd1adf6dfc82692334a97c9f2b4a46a9222ca6c314ccaeeb1b71dc316a
[INFO] running `Command { std: "docker" "start" "-a" "5b7ab8fd1adf6dfc82692334a97c9f2b4a46a9222ca6c314ccaeeb1b71dc316a", kill_on_drop: false }`
[INFO] [stderr]     Checking graphtest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/lib.rs:17:27
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait SimpleGraph<'a, I : Eq + Hash + Copy>
[INFO] [stdout]    |                       -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn nodes(&'a self) -> &Self::C;
[INFO] [stdout]    |                           ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/lib.rs:17:27
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait SimpleGraph<'a, I : Eq + Hash + Copy>
[INFO] [stdout]    |                       -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn nodes(&'a self) -> &Self::C;
[INFO] [stdout]    |                           ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]   --> src/lib.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub struct Node<I,D> {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 90 |     data: D,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]   --> src/lib.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub struct Node<I,D> {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 90 |     data: D,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "5b7ab8fd1adf6dfc82692334a97c9f2b4a46a9222ca6c314ccaeeb1b71dc316a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b7ab8fd1adf6dfc82692334a97c9f2b4a46a9222ca6c314ccaeeb1b71dc316a", kill_on_drop: false }`
[INFO] [stdout] 5b7ab8fd1adf6dfc82692334a97c9f2b4a46a9222ca6c314ccaeeb1b71dc316a