[INFO] crate quantum2 0.1.3 is already in cache
[INFO] documenting quantum2-0.1.3 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate quantum2 0.1.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate quantum2 0.1.3 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 crates.io crate quantum2 0.1.3
[INFO] finished tweaking crates.io crate quantum2 0.1.3
[INFO] tweaked toml for crates.io crate quantum2 0.1.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-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_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] 75fb43c71f36290ec31751e0c062fbf67b6d8f9092ee15b5774c59f378b96f7e
[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" "75fb43c71f36290ec31751e0c062fbf67b6d8f9092ee15b5774c59f378b96f7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75fb43c71f36290ec31751e0c062fbf67b6d8f9092ee15b5774c59f378b96f7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75fb43c71f36290ec31751e0c062fbf67b6d8f9092ee15b5774c59f378b96f7e", kill_on_drop: false }`
[INFO] [stdout] 75fb43c71f36290ec31751e0c062fbf67b6d8f9092ee15b5774c59f378b96f7e
[INFO] running `Command { std: "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" "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] bf6526c88b0e1d3502a40836517c24be7ba7578858d0089834ce2b1c6c8ae278
[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" "bf6526c88b0e1d3502a40836517c24be7ba7578858d0089834ce2b1c6c8ae278", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking float-cmp v0.2.5
[INFO] [stderr]  Documenting quantum2 v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[i]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/gate.rs:55:58
[INFO] [stdout]    |
[INFO] [stdout] 55 |     /// Qubit _i_ will be acted on as qubit _permutation[i]_ was before.
[INFO] [stdout]    |                                                          ^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(intra_doc_link_resolution_failure)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[i]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/matrix.rs:103:41
[INFO] [stdout]     |
[INFO] [stdout] 103 |     /// Row _i_ goes to row _perutation[i]_.
[INFO] [stdout]     |                                         ^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[i]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/matrix.rs:125:47
[INFO] [stdout]     |
[INFO] [stdout] 125 |     /// Column _i_ goes to column _perutation[i]_.
[INFO] [stdout]     |                                               ^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.97s
[INFO] running `Command { std: "docker" "inspect" "bf6526c88b0e1d3502a40836517c24be7ba7578858d0089834ce2b1c6c8ae278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf6526c88b0e1d3502a40836517c24be7ba7578858d0089834ce2b1c6c8ae278", kill_on_drop: false }`
[INFO] [stdout] bf6526c88b0e1d3502a40836517c24be7ba7578858d0089834ce2b1c6c8ae278