[INFO] cloning repository https://github.com/foldu/cargo-update-git-rev
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/foldu/cargo-update-git-rev" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoldu%2Fcargo-update-git-rev", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoldu%2Fcargo-update-git-rev'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8ea098831bec5c62b644e74f3465852254a78da
[INFO] documenting foldu/cargo-update-git-rev 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%2Ffoldu%2Fcargo-update-git-rev" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/foldu/cargo-update-git-rev 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/foldu/cargo-update-git-rev
[INFO] finished tweaking git repo https://github.com/foldu/cargo-update-git-rev
[INFO] tweaked toml for git repo https://github.com/foldu/cargo-update-git-rev written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/foldu/cargo-update-git-rev 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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7e2a4a7c8ccbf3a1e77de8e334304e4a068cf0ea14f1d628a849338d89dfbdfb
[INFO] running `Command { std: "docker" "start" "-a" "7e2a4a7c8ccbf3a1e77de8e334304e4a068cf0ea14f1d628a849338d89dfbdfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e2a4a7c8ccbf3a1e77de8e334304e4a068cf0ea14f1d628a849338d89dfbdfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e2a4a7c8ccbf3a1e77de8e334304e4a068cf0ea14f1d628a849338d89dfbdfb", kill_on_drop: false }`
[INFO] [stdout] 7e2a4a7c8ccbf3a1e77de8e334304e4a068cf0ea14f1d628a849338d89dfbdfb
[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] e88d322a966fcaaba73c490b1cb146f8289c2f8ff44d9b4ebe30f6088cfa0eb2
[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" "e88d322a966fcaaba73c490b1cb146f8289c2f8ff44d9b4ebe30f6088cfa0eb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling anyhow v1.0.25
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking unicode-normalization v0.1.11
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling jobserver v0.1.17
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]    Compiling libssh2-sys v0.2.13
[INFO] [stderr]    Compiling libgit2-sys v0.10.0
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]     Checking git2 v0.11.0
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]     Checking toml_edit v0.1.5
[INFO] [stderr]     Checking structopt v0.3.5
[INFO] [stderr]  Documenting cargo-update-git-rev v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `Command { std: "docker" "inspect" "e88d322a966fcaaba73c490b1cb146f8289c2f8ff44d9b4ebe30f6088cfa0eb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e88d322a966fcaaba73c490b1cb146f8289c2f8ff44d9b4ebe30f6088cfa0eb2", kill_on_drop: false }`
[INFO] [stdout] e88d322a966fcaaba73c490b1cb146f8289c2f8ff44d9b4ebe30f6088cfa0eb2