[INFO] cloning repository https://github.com/deliangyang/test-work
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/deliangyang/test-work" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeliangyang%2Ftest-work", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeliangyang%2Ftest-work'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06a871132d3d7ed07cfffd69609401561c5fc507
[INFO] checking deliangyang/test-work against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeliangyang%2Ftest-work" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/deliangyang/test-work on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/deliangyang/test-work
[INFO] finished tweaking git repo https://github.com/deliangyang/test-work
[INFO] tweaked toml for git repo https://github.com/deliangyang/test-work written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/deliangyang/test-work already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f49e3fcc80bef4bce2181ed5b46212a22900064e572728425e4f65a630d31e00
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f49e3fcc80bef4bce2181ed5b46212a22900064e572728425e4f65a630d31e00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f49e3fcc80bef4bce2181ed5b46212a22900064e572728425e4f65a630d31e00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f49e3fcc80bef4bce2181ed5b46212a22900064e572728425e4f65a630d31e00", kill_on_drop: false }`
[INFO] [stdout] f49e3fcc80bef4bce2181ed5b46212a22900064e572728425e4f65a630d31e00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e119326828323ef651eadff2727846140600964855fe05dd8a5a10de3e0c666
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2e119326828323ef651eadff2727846140600964855fe05dd8a5a10de3e0c666", kill_on_drop: false }`
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling test-work v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stdout] error[E0601]: `main` function not found in crate `kth_node_from_end_of_list_lcci`
[INFO] [stdout]   --> src/bin/kth-node-from-end-of-list-lcci.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / #[derive(PartialEq, Eq, Clone, Debug)]
[INFO] [stdout] 4  | | pub struct ListNode {
[INFO] [stdout] 5  | |     pub val: i32,
[INFO] [stdout] 6  | |     pub next: Option<Box<ListNode>>,
[INFO] [stdout] ...  |
[INFO] [stdout] 54 | |     }
[INFO] [stdout] 55 | | }
[INFO] [stdout]    | |_^ consider adding a `main` function to `src/bin/kth-node-from-end-of-list-lcci.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `test-work`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] attr: "test"
[INFO] [stdout] result: TokenStream [Ident { ident: "test", span: #0 bytes(563..567) }]
[INFO] [stdout] item: "fn test() { }"
[INFO] [stdout] warning: struct is never constructed: `Struct`
[INFO] [stdout]   --> src/bin/macro.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct Struct {}
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2e119326828323ef651eadff2727846140600964855fe05dd8a5a10de3e0c666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e119326828323ef651eadff2727846140600964855fe05dd8a5a10de3e0c666", kill_on_drop: false }`
[INFO] [stdout] 2e119326828323ef651eadff2727846140600964855fe05dd8a5a10de3e0c666