[INFO] updating cached repository https://github.com/syusui-s/mcnotify-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d1473a86f777040c7193d7560f38937345026dbf
[INFO] checking syusui-s/mcnotify-rust against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyusui-s%2Fmcnotify-rust" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/syusui-s/mcnotify-rust on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/syusui-s/mcnotify-rust
[INFO] finished tweaking git repo https://github.com/syusui-s/mcnotify-rust
[INFO] tweaked toml for git repo https://github.com/syusui-s/mcnotify-rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/syusui-s/mcnotify-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9cc6686bb1e11fc8787a99999ce77bd3e521182eb6eb17f4d328590e1c552b8f
[INFO] running `"docker" "start" "-a" "9cc6686bb1e11fc8787a99999ce77bd3e521182eb6eb17f4d328590e1c552b8f"`
[INFO] [stderr]     Checking cfg-if v0.1.4
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[INFO] [stderr]    Compiling syn v0.14.4
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[INFO] [stderr]    Compiling serde_derive v1.0.69
[INFO] [stderr]     Checking tokio-threadpool v0.1.11
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[INFO] [stderr]     Checking tokio-tcp v0.1.3
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[INFO] [stderr]     Checking hyper v0.12.24
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking egg-mode v0.12.0 (https://github.com/QuietMisdreavus/twitter-rs.git?rev=8491554#84915542)
[INFO] [stderr]     Checking mcnotify v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/minecraft/data_rw.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     /// Writes a VarInt (i32) to the packet body.
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/minecraft/data_rw.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     /// Writes a VarLong (i64) to the packet body.
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/minecraft/data_rw.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     /// Writes a VarInt (i32) to the packet body.
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/minecraft/data_rw.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     /// Writes a VarLong (i64) to the packet body.
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 45s
[INFO] running `"docker" "inspect" "9cc6686bb1e11fc8787a99999ce77bd3e521182eb6eb17f4d328590e1c552b8f"`
[INFO] running `"docker" "rm" "-f" "9cc6686bb1e11fc8787a99999ce77bd3e521182eb6eb17f4d328590e1c552b8f"`
[INFO] [stdout] 9cc6686bb1e11fc8787a99999ce77bd3e521182eb6eb17f4d328590e1c552b8f