[INFO] updating cached repository https://github.com/ZanderBrown/aqabler
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2475d4baa83b7733bdd0d5be8d2ad0c4b4c67df
[INFO] documenting ZanderBrown/aqabler against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZanderBrown%2Faqabler" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ZanderBrown/aqabler on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ZanderBrown/aqabler
[INFO] finished tweaking git repo https://github.com/ZanderBrown/aqabler
[INFO] tweaked toml for git repo https://github.com/ZanderBrown/aqabler written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/ZanderBrown/aqabler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7449ad78a3511059e954ba42dde0725e9920c24ff5566ca79caa0d20a75b5f7e
[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" "7449ad78a3511059e954ba42dde0725e9920c24ff5566ca79caa0d20a75b5f7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7449ad78a3511059e954ba42dde0725e9920c24ff5566ca79caa0d20a75b5f7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7449ad78a3511059e954ba42dde0725e9920c24ff5566ca79caa0d20a75b5f7e", kill_on_drop: false }`
[INFO] [stdout] 7449ad78a3511059e954ba42dde0725e9920c24ff5566ca79caa0d20a75b5f7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "RUSTDOCFLAGS=--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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a84a4b26c44a2a424a92afe3eced79897cb2461320ddb4919b12bdc4156f2ec2
[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" "a84a4b26c44a2a424a92afe3eced79897cb2461320ddb4919b12bdc4156f2ec2", kill_on_drop: false }`
[INFO] [stderr]     Checking getopts v0.2.19
[INFO] [stderr]     Checking aqabler v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting aqabler v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/memory.rs:44:25
[INFO] [stdout]    |
[INFO] [stdout] 44 |     listeners: Vec<Weak<Observer<ChangeEvent>>>,
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Observer<ChangeEvent>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/storage.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | impl Storage {
[INFO] [stdout]   |      ^^^^^^^ help: use `dyn`: `dyn Storage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/storage.rs:19:18
[INFO] [stdout]    |
[INFO] [stdout] 19 |     mem: Box<&'a Storage>,
[INFO] [stdout]    |                  ^^^^^^^ help: use `dyn`: `dyn Storage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/stream.rs:25:32
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.19s
[INFO] running `Command { std: "docker" "inspect" "a84a4b26c44a2a424a92afe3eced79897cb2461320ddb4919b12bdc4156f2ec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a84a4b26c44a2a424a92afe3eced79897cb2461320ddb4919b12bdc4156f2ec2", kill_on_drop: false }`
[INFO] [stdout] a84a4b26c44a2a424a92afe3eced79897cb2461320ddb4919b12bdc4156f2ec2