[INFO] fetching crate avl 0.6.1...
[INFO] checking avl-0.6.1 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate avl 0.6.1 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate avl 0.6.1 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate avl 0.6.1
[INFO] finished tweaking crates.io crate avl 0.6.1
[INFO] tweaked toml for crates.io crate avl 0.6.1 written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 153afffcc6d6e8e2c8b8bd2794768cf69a804c1464fccce9daddfcc9a588d2d0
[INFO] running `Command { std: "docker" "start" "-a" "153afffcc6d6e8e2c8b8bd2794768cf69a804c1464fccce9daddfcc9a588d2d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "153afffcc6d6e8e2c8b8bd2794768cf69a804c1464fccce9daddfcc9a588d2d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "153afffcc6d6e8e2c8b8bd2794768cf69a804c1464fccce9daddfcc9a588d2d0", kill_on_drop: false }`
[INFO] [stdout] 153afffcc6d6e8e2c8b8bd2794768cf69a804c1464fccce9daddfcc9a588d2d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1421055156ef222abfc4531cc0a214368e2fb152684b3c8ea706ec5bd6a5ca82
[INFO] running `Command { std: "docker" "start" "-a" "1421055156ef222abfc4531cc0a214368e2fb152684b3c8ea706ec5bd6a5ca82", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]     Checking avl v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this attribute can only be applied to a `use` item
[INFO] [stdout]   --> src/lib.rs:9:7
[INFO] [stdout]    |
[INFO] [stdout] 9  | #[doc(inline)]
[INFO] [stdout]    |       ^^^^^^ only applicable on `use` items
[INFO] [stdout] 10 | pub mod map;
[INFO] [stdout]    | ------------ not a `use` item
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_doc_attributes)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout]    = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#docno_inlinedocinline for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stdout] warning: this attribute can only be applied to a `use` item
[INFO] [stdout]   --> src/lib.rs:9:7
[INFO] [stdout]    |
[INFO] [stdout] 9  | #[doc(inline)]
[INFO] [stdout]    |       ^^^^^^ only applicable on `use` items
[INFO] [stdout] 10 | pub mod map;
[INFO] [stdout]    | ------------ not a `use` item
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_doc_attributes)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout]    = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#docno_inlinedocinline for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.41s
[INFO] running `Command { std: "docker" "inspect" "1421055156ef222abfc4531cc0a214368e2fb152684b3c8ea706ec5bd6a5ca82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1421055156ef222abfc4531cc0a214368e2fb152684b3c8ea706ec5bd6a5ca82", kill_on_drop: false }`
[INFO] [stdout] 1421055156ef222abfc4531cc0a214368e2fb152684b3c8ea706ec5bd6a5ca82
