[INFO] fetching crate Memoirs 0.1.2...
[INFO] documenting Memoirs-0.1.2 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate Memoirs 0.1.2 into /workspace/builds/worker-94/source
[INFO] validating manifest of crates.io crate Memoirs 0.1.2 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate Memoirs 0.1.2
[INFO] finished tweaking crates.io crate Memoirs 0.1.2
[INFO] tweaked toml for crates.io crate Memoirs 0.1.2 written to /workspace/builds/worker-94/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d46d2cc98f26879fc9ea7a1467a2a305ae279ce577002c91358142f21e0826d
[INFO] running `Command { std: "docker" "start" "-a" "0d46d2cc98f26879fc9ea7a1467a2a305ae279ce577002c91358142f21e0826d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d46d2cc98f26879fc9ea7a1467a2a305ae279ce577002c91358142f21e0826d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d46d2cc98f26879fc9ea7a1467a2a305ae279ce577002c91358142f21e0826d", kill_on_drop: false }`
[INFO] [stdout] 0d46d2cc98f26879fc9ea7a1467a2a305ae279ce577002c91358142f21e0826d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "RUSTDOCFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc60051c6ff8a52908db60b12271751fbc29192e6aa04d43ec639c30e91587f9
[INFO] running `Command { std: "docker" "start" "-a" "dc60051c6ff8a52908db60b12271751fbc29192e6aa04d43ec639c30e91587f9", kill_on_drop: false }`
[INFO] [stderr]  Documenting memoirs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(quote)]
[INFO] [stdout]   |            ^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `collections`
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate collections;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::collections::lru_cache`
[INFO] [stdout]  --> src/lib.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::collections::lru_cache::LruCache;
[INFO] [stdout]   |                       ^^^^^^^^^ could not find `lru_cache` in `collections`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Hash` in this scope
[INFO] [stdout]   --> src/lib.rs:40:60
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct HashMapMemoizer<Args, Result> where Args : Eq + Hash {
[INFO] [stdout]    |                                                            ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]    |
[INFO] [stdout] 9  | use std::hash::Hash;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Hash` in this scope
[INFO] [stdout]   --> src/lib.rs:44:68
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl<Args, Result> HashMapMemoizer<Args, Result> where Args : Eq + Hash {
[INFO] [stdout]    |                                                                    ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]    |
[INFO] [stdout] 9  | use std::hash::Hash;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Hash` in this scope
[INFO] [stdout]   --> src/lib.rs:52:103
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl<Args, Result> MemoizeFnBackend<Args, Result> for HashMapMemoizer<Args, Result> where Args : Eq + Hash, Result : Clone {
[INFO] [stdout]    |                                                                                                       ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]    |
[INFO] [stdout] 9  | use std::hash::Hash;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Hash` in this scope
[INFO] [stdout]   --> src/lib.rs:66:61
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct LRUCacheMemoizer<Args, Result> where Args : Eq + Hash {
[INFO] [stdout]    |                                                             ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]    |
[INFO] [stdout] 9  | use std::hash::Hash;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Hash` in this scope
[INFO] [stdout]   --> src/lib.rs:70:69
[INFO] [stdout]    |
[INFO] [stdout] 70 | impl<Args, Result> LRUCacheMemoizer<Args, Result> where Args : Eq + Hash {
[INFO] [stdout]    |                                                                     ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]    |
[INFO] [stdout] 9  | use std::hash::Hash;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]   --> src/lib.rs:71:23
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn new(size : uint) -> LRUCacheMemoizer<Args, Result> { 
[INFO] [stdout]    |                       ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Hash` in this scope
[INFO] [stdout]   --> src/lib.rs:78:104
[INFO] [stdout]    |
[INFO] [stdout] 78 | impl<Args, Result> MemoizeFnBackend<Args, Result> for LRUCacheMemoizer<Args, Result> where Args : Eq + Hash, Result : Clone {
[INFO] [stdout]    |                                                                                                        ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]    |
[INFO] [stdout] 9  | use std::hash::Hash;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(unboxed_closures)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(quote)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 13 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0412, E0432, E0463, E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `memoirs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type dylib --crate-name memoirs src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=3760bd4244f62e92 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "dc60051c6ff8a52908db60b12271751fbc29192e6aa04d43ec639c30e91587f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc60051c6ff8a52908db60b12271751fbc29192e6aa04d43ec639c30e91587f9", kill_on_drop: false }`
[INFO] [stdout] dc60051c6ff8a52908db60b12271751fbc29192e6aa04d43ec639c30e91587f9