[INFO] updating cached repository https://github.com/Ploppz/blackbox_derive
[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] 5ae7d219929d9395252e9310a63a31932082019e
[INFO] documenting Ploppz/blackbox_derive against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPloppz%2Fblackbox_derive" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ploppz/blackbox_derive 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/Ploppz/blackbox_derive
[INFO] finished tweaking git repo https://github.com/Ploppz/blackbox_derive
[INFO] tweaked toml for git repo https://github.com/Ploppz/blackbox_derive written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Ploppz/blackbox_derive 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] c5d8f810589d31e96892af7870c01d46f2941bb35d25888c3d2cc86ec5edb3db
[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" "c5d8f810589d31e96892af7870c01d46f2941bb35d25888c3d2cc86ec5edb3db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5d8f810589d31e96892af7870c01d46f2941bb35d25888c3d2cc86ec5edb3db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5d8f810589d31e96892af7870c01d46f2941bb35d25888c3d2cc86ec5edb3db", kill_on_drop: false }`
[INFO] [stdout] c5d8f810589d31e96892af7870c01d46f2941bb35d25888c3d2cc86ec5edb3db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] c4d8d1ccbdf0d8d1529c6c5fb0adbd109e2cb40cb14d75cc779ed4fa4692fe8e
[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" "c4d8d1ccbdf0d8d1529c6c5fb0adbd109e2cb40cb14d75cc779ed4fa4692fe8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking random v0.12.2
[INFO] [stderr]     Checking either v1.5.1
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking proc-macro2 v0.4.27
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking special v0.8.1
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking quote v0.6.11
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking syn v0.15.27
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking probability v0.15.12
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rulinalg v0.3.7
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking slog-async v2.4.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking slog-term v2.5.0
[INFO] [stderr]     Checking rusty-machine v0.5.4
[INFO] [stderr]     Checking blackbox v0.2.0
[INFO] [stderr]  Documenting blackbox_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.67s
[INFO] running `Command { std: "docker" "inspect" "c4d8d1ccbdf0d8d1529c6c5fb0adbd109e2cb40cb14d75cc779ed4fa4692fe8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4d8d1ccbdf0d8d1529c6c5fb0adbd109e2cb40cb14d75cc779ed4fa4692fe8e", kill_on_drop: false }`
[INFO] [stdout] c4d8d1ccbdf0d8d1529c6c5fb0adbd109e2cb40cb14d75cc779ed4fa4692fe8e