[INFO] cloning repository https://github.com/playXE/waffle-vm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/playXE/waffle-vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FplayXE%2Fwaffle-vm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FplayXE%2Fwaffle-vm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5e004ffc50bcc4501e353d496267fb1046f8b9e
[INFO] documenting playXE/waffle-vm against try#6fd27704e643b25711e6a97ec2b04873b411b97d for pr-96676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FplayXE%2Fwaffle-vm" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/playXE/waffle-vm on toolchain 6fd27704e643b25711e6a97ec2b04873b411b97d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/playXE/waffle-vm
[INFO] finished tweaking git repo https://github.com/playXE/waffle-vm
[INFO] tweaked toml for git repo https://github.com/playXE/waffle-vm written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/playXE/waffle-vm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4512f031c1ba571fb5f39a0c78ffe82acd7f139ec7a92bae6bf4735e9b245bc1
[INFO] running `Command { std: "docker" "start" "-a" "4512f031c1ba571fb5f39a0c78ffe82acd7f139ec7a92bae6bf4735e9b245bc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4512f031c1ba571fb5f39a0c78ffe82acd7f139ec7a92bae6bf4735e9b245bc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4512f031c1ba571fb5f39a0c78ffe82acd7f139ec7a92bae6bf4735e9b245bc1", kill_on_drop: false }`
[INFO] [stdout] 4512f031c1ba571fb5f39a0c78ffe82acd7f139ec7a92bae6bf4735e9b245bc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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=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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ade05c875b929dfd37f1db139119592e13e1c4570c042720a0542cff236008ce
[INFO] running `Command { std: "docker" "start" "-a" "ade05c875b929dfd37f1db139119592e13e1c4570c042720a0542cff236008ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling core_extensions_proc_macros v1.5.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking const-bitfield v0.2.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking core_extensions v1.5.2
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.24
[INFO] [stderr]    Compiling sys-info v0.9.1
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking memmap2 v0.5.3
[INFO] [stderr]    Compiling lexpr-macros v0.2.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking lexpr v0.2.6
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]  Documenting waffle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: macro_rules fallback is used during doc link resolution
[INFO] [stdout]   --> src/memory/roots.rs:14:29
[INFO] [stdout]    |
[INFO] [stdout] 14 | /// for each invocation of [gc_frame!].
[INFO] [stdout]    |                             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(rustdoc::macro_rules_fallback)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Collectable`
[INFO] [stdout]    --> src/memory/mod.rs:166:94
[INFO] [stdout]     |
[INFO] [stdout] 166 | /// This doesn't necessarily mean that the type is safe to allocate in a garbage collector ([Collectable]).
[INFO] [stdout]     |                                                                                              ^^^^^^^^^^^ no item named `Collectable` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `waffle`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name waffle src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=53accfbd4e036c97 -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-19cac908f6232626.rmeta --extern const_bitfield=/opt/rustwide/target/debug/deps/libconst_bitfield-cb9b966c7cbf98aa.rmeta --extern core_extensions=/opt/rustwide/target/debug/deps/libcore_extensions-73fb2e4fbc0f9840.rmeta --extern fxhash=/opt/rustwide/target/debug/deps/libfxhash-ad12a96f88b2e8c0.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-37a1de995a596c03.rmeta --extern lexpr=/opt/rustwide/target/debug/deps/liblexpr-4f922b8ce2a5dc15.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-ffd9fff2066e7960.rmeta --extern libmimalloc_sys=/opt/rustwide/target/debug/deps/liblibmimalloc_sys-a8f37d3383100c24.rmeta --extern memmap2=/opt/rustwide/target/debug/deps/libmemmap2-a0097cafeae1e8a5.rmeta --extern memoffset=/opt/rustwide/target/debug/deps/libmemoffset-e39f7f078218f10b.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-6e62f19a0f20f75f.rmeta --extern sys_info=/opt/rustwide/target/debug/deps/libsys_info-2962a2a4d4bf4317.rmeta --cap-lints=forbid --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "ade05c875b929dfd37f1db139119592e13e1c4570c042720a0542cff236008ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ade05c875b929dfd37f1db139119592e13e1c4570c042720a0542cff236008ce", kill_on_drop: false }`
[INFO] [stdout] ade05c875b929dfd37f1db139119592e13e1c4570c042720a0542cff236008ce