[INFO] fetching crate marge 0.1.0...
[INFO] documenting marge-0.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate marge 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate marge 0.1.0 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 crates.io crate marge 0.1.0
[INFO] finished tweaking crates.io crate marge 0.1.0
[INFO] tweaked toml for crates.io crate marge 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] 4f0b4f82b85f4d8d07c9d5de1d6fd2ef5ad3e4c7f99cba093ca52fec96cb4fc3
[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" "4f0b4f82b85f4d8d07c9d5de1d6fd2ef5ad3e4c7f99cba093ca52fec96cb4fc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f0b4f82b85f4d8d07c9d5de1d6fd2ef5ad3e4c7f99cba093ca52fec96cb4fc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f0b4f82b85f4d8d07c9d5de1d6fd2ef5ad3e4c7f99cba093ca52fec96cb4fc3", kill_on_drop: false }`
[INFO] [stdout] 4f0b4f82b85f4d8d07c9d5de1d6fd2ef5ad3e4c7f99cba093ca52fec96cb4fc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] 1c2dc1675bf134c69f27d3c855709c0dbd936872bdd55901ae9775db7dbcad3e
[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" "1c2dc1675bf134c69f27d3c855709c0dbd936872bdd55901ae9775db7dbcad3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libssh2-sys v0.2.19
[INFO] [stderr]    Compiling curl-sys v0.4.36+curl-7.71.1
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking console v0.12.0
[INFO] [stderr]     Checking console v0.7.7
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking indicatif v0.11.0
[INFO] [stderr]     Checking dialoguer v0.4.0
[INFO] [stderr]     Checking git2 v0.8.0
[INFO] [stderr]  Documenting marge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.70s
[INFO] running `Command { std: "docker" "inspect" "1c2dc1675bf134c69f27d3c855709c0dbd936872bdd55901ae9775db7dbcad3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c2dc1675bf134c69f27d3c855709c0dbd936872bdd55901ae9775db7dbcad3e", kill_on_drop: false }`
[INFO] [stdout] 1c2dc1675bf134c69f27d3c855709c0dbd936872bdd55901ae9775db7dbcad3e