[INFO] cloning repository https://github.com/lsaether/merkle-tree [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lsaether/merkle-tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flsaether%2Fmerkle-tree", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flsaether%2Fmerkle-tree'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 776dfde8ee81482edc3b2247a8658aabdddd3d61 [INFO] checking lsaether/merkle-tree against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flsaether%2Fmerkle-tree" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lsaether/merkle-tree on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lsaether/merkle-tree [INFO] finished tweaking git repo https://github.com/lsaether/merkle-tree [INFO] tweaked toml for git repo https://github.com/lsaether/merkle-tree written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/lsaether/merkle-tree already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tiny-keccak v1.3.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 75c06e4f7e8276413a8e2ad12e97db36d40c7d673d44902b15b7b0a7ea32e00b [INFO] running `Command { std: "docker" "start" "-a" "75c06e4f7e8276413a8e2ad12e97db36d40c7d673d44902b15b7b0a7ea32e00b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "75c06e4f7e8276413a8e2ad12e97db36d40c7d673d44902b15b7b0a7ea32e00b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75c06e4f7e8276413a8e2ad12e97db36d40c7d673d44902b15b7b0a7ea32e00b", kill_on_drop: false }` [INFO] [stdout] 75c06e4f7e8276413a8e2ad12e97db36d40c7d673d44902b15b7b0a7ea32e00b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f45422c03339aaf51b1e67195b5a2117772bdc43d768d223f4cef3ab13d9a66a [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" "f45422c03339aaf51b1e67195b5a2117772bdc43d768d223f4cef3ab13d9a66a", kill_on_drop: false }` [INFO] [stderr] Checking merkle-tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0585]: found a documentation comment that doesn't document anything [INFO] [stdout] --> src/merkletree.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | /// TODO [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: doc comments must come before what they document, maybe a comment was intended with `//`? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0585]: found a documentation comment that doesn't document anything [INFO] [stdout] --> src/merkletree.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | /// TODO [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: doc comments must come before what they document, maybe a comment was intended with `//`? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `tiny_keccak` [INFO] [stdout] --> src/merkletree.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use tiny_keccak::Keccak; [INFO] [stdout] | ^^^^^^^^^^^ help: a similar path exists: `self::tiny_keccak` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/merkletree.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0432, E0585. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] error: could not compile `merkle-tree` due to 3 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0432]: unresolved import `tiny_keccak` [INFO] [stdout] --> src/merkletree.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use tiny_keccak::Keccak; [INFO] [stdout] | ^^^^^^^^^^^ help: a similar path exists: `self::tiny_keccak` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0432, E0585. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "f45422c03339aaf51b1e67195b5a2117772bdc43d768d223f4cef3ab13d9a66a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f45422c03339aaf51b1e67195b5a2117772bdc43d768d223f4cef3ab13d9a66a", kill_on_drop: false }` [INFO] [stdout] f45422c03339aaf51b1e67195b5a2117772bdc43d768d223f4cef3ab13d9a66a