[INFO] fetching crate muta-apm 0.1.0-alpha.15...
[INFO] documenting muta-apm-0.1.0-alpha.15 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate muta-apm 0.1.0-alpha.15 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate muta-apm 0.1.0-alpha.15 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate muta-apm 0.1.0-alpha.15
[INFO] finished tweaking crates.io crate muta-apm 0.1.0-alpha.15
[INFO] tweaked toml for crates.io crate muta-apm 0.1.0-alpha.15 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate muta-apm 0.1.0-alpha.15 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.46.0" "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] 467235b7a343f2c6cc1639ae5100a38353d0151a34d0064096a4fce6818ef562
[INFO] running `Command { std: "docker" "start" "-a" "467235b7a343f2c6cc1639ae5100a38353d0151a34d0064096a4fce6818ef562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "467235b7a343f2c6cc1639ae5100a38353d0151a34d0064096a4fce6818ef562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "467235b7a343f2c6cc1639ae5100a38353d0151a34d0064096a4fce6818ef562", kill_on_drop: false }`
[INFO] [stdout] 467235b7a343f2c6cc1639ae5100a38353d0151a34d0064096a4fce6818ef562
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d00572cca8832e2d0f60fc4ad9b38bf53440e89956850085097f93bf3d61a6a0
[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" "d00572cca8832e2d0f60fc4ad9b38bf53440e89956850085097f93bf3d61a6a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling syn v1.0.21
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]     Checking dyn-clone v1.0.1
[INFO] [stderr]     Checking addr2line v0.12.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking creep v0.2.2
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking backtrace v0.3.47
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling trackable_derive v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]     Checking trackable v0.2.23
[INFO] [stderr]     Checking rustracing v0.4.0
[INFO] [stderr]     Checking thrift_codec v0.1.1
[INFO] [stderr]     Checking rustracing_jaeger v0.4.1
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling muta-apm-derive v0.1.0-alpha.12
[INFO] [stderr]  Documenting muta-apm v0.1.0-alpha.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.10s
[INFO] running `Command { std: "docker" "inspect" "d00572cca8832e2d0f60fc4ad9b38bf53440e89956850085097f93bf3d61a6a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d00572cca8832e2d0f60fc4ad9b38bf53440e89956850085097f93bf3d61a6a0", kill_on_drop: false }`
[INFO] [stdout] d00572cca8832e2d0f60fc4ad9b38bf53440e89956850085097f93bf3d61a6a0