[INFO] cloning repository https://github.com/Moret84/rust-mutex-bug-mwe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Moret84/rust-mutex-bug-mwe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoret84%2Frust-mutex-bug-mwe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoret84%2Frust-mutex-bug-mwe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2eab753d9432cc0334dea862c9acf0cf7dc57ead
[INFO] documenting Moret84/rust-mutex-bug-mwe against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoret84%2Frust-mutex-bug-mwe" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Moret84/rust-mutex-bug-mwe on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Moret84/rust-mutex-bug-mwe
[INFO] finished tweaking git repo https://github.com/Moret84/rust-mutex-bug-mwe
[INFO] tweaked toml for git repo https://github.com/Moret84/rust-mutex-bug-mwe written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Moret84/rust-mutex-bug-mwe already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nom v4.2.2
[INFO] [stderr]   Downloaded dbus v0.8.2
[INFO] [stderr]   Downloaded core-graphics v0.19.0
[INFO] [stderr]   Downloaded cocoa v0.20.0
[INFO] [stderr]   Downloaded btleplug v0.4.1
[INFO] [stderr]   Downloaded winrt v0.6.0
[INFO] [stderr]   Downloaded libdbus-sys v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 50522fd56cc610efe41d7774d462719f08c509f16d8c9c016ac401bdc978027c
[INFO] running `Command { std: "docker" "start" "-a" "50522fd56cc610efe41d7774d462719f08c509f16d8c9c016ac401bdc978027c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50522fd56cc610efe41d7774d462719f08c509f16d8c9c016ac401bdc978027c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50522fd56cc610efe41d7774d462719f08c509f16d8c9c016ac401bdc978027c", kill_on_drop: false }`
[INFO] [stdout] 50522fd56cc610efe41d7774d462719f08c509f16d8c9c016ac401bdc978027c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9972b1b09b3700e1e33822bc83d4cceaac789df8e0022f3a7c2b172bc5d7ef8c
[INFO] running `Command { std: "docker" "start" "-a" "9972b1b09b3700e1e33822bc83d4cceaac789df8e0022f3a7c2b172bc5d7ef8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.14
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking nom v4.2.2
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking num-iter v0.1.40
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking winrt v0.6.0
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking dbus v0.8.2
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking broadcaster v1.0.0
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]     Checking btleplug v0.4.1
[INFO] [stderr]  Documenting ble_temp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.78s
[INFO] running `Command { std: "docker" "inspect" "9972b1b09b3700e1e33822bc83d4cceaac789df8e0022f3a7c2b172bc5d7ef8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9972b1b09b3700e1e33822bc83d4cceaac789df8e0022f3a7c2b172bc5d7ef8c", kill_on_drop: false }`
[INFO] [stdout] 9972b1b09b3700e1e33822bc83d4cceaac789df8e0022f3a7c2b172bc5d7ef8c