[INFO] cloning repository https://github.com/cpearce/riptree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cpearce/riptree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcpearce%2Friptree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcpearce%2Friptree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3be51b279633da0d85728c683fc634399a4fb6b2
[INFO] documenting cpearce/riptree against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcpearce%2Friptree" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  69% (25/36)   
Checking out files:  72% (26/36)   
Checking out files:  75% (27/36)   
Checking out files:  77% (28/36)   
Checking out files:  80% (29/36)   
Checking out files:  83% (30/36)   
Checking out files:  86% (31/36)   
Checking out files:  88% (32/36)   
Checking out files:  91% (33/36)   
Checking out files:  94% (34/36)   
Checking out files:  97% (35/36)   
Checking out files: 100% (36/36)   
Checking out files: 100% (36/36), done.
[INFO] validating manifest of git repo https://github.com/cpearce/riptree 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 git repo https://github.com/cpearce/riptree
[INFO] finished tweaking git repo https://github.com/cpearce/riptree
[INFO] tweaked toml for git repo https://github.com/cpearce/riptree written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/cpearce/riptree 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-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" "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] [stdout] 8604368e42994d7c2dff8743efc7c39fcd6faaf503a4e776793852d17ad02bf6
[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" "8604368e42994d7c2dff8743efc7c39fcd6faaf503a4e776793852d17ad02bf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8604368e42994d7c2dff8743efc7c39fcd6faaf503a4e776793852d17ad02bf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8604368e42994d7c2dff8743efc7c39fcd6faaf503a4e776793852d17ad02bf6", kill_on_drop: false }`
[INFO] [stdout] 8604368e42994d7c2dff8743efc7c39fcd6faaf503a4e776793852d17ad02bf6
[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" "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] 531851a3b7ecdd036833a5490612922b3cc63b365326e3695f6cbcbea502418a
[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" "531851a3b7ecdd036833a5490612922b3cc63b365326e3695f6cbcbea502418a", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.1.0
[INFO] [stderr]     Checking scopeguard v0.3.2
[INFO] [stderr]     Checking futures v0.1.14
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking num_cpus v1.6.2
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]     Checking coco v0.1.1
[INFO] [stderr]     Checking itertools v0.6.1
[INFO] [stderr]     Checking rayon-core v1.2.1
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]  Documenting riptree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.23s
[INFO] running `Command { std: "docker" "inspect" "531851a3b7ecdd036833a5490612922b3cc63b365326e3695f6cbcbea502418a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "531851a3b7ecdd036833a5490612922b3cc63b365326e3695f6cbcbea502418a", kill_on_drop: false }`
[INFO] [stdout] 531851a3b7ecdd036833a5490612922b3cc63b365326e3695f6cbcbea502418a