[INFO] cloning repository https://github.com/knuckerr/sftp_with_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/knuckerr/sftp_with_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknuckerr%2Fsftp_with_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknuckerr%2Fsftp_with_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7181b46399c4c605606fdce763f1f63de1e4e6a
[INFO] documenting knuckerr/sftp_with_rust 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%2Fknuckerr%2Fsftp_with_rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/knuckerr/sftp_with_rust 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/knuckerr/sftp_with_rust
[INFO] finished tweaking git repo https://github.com/knuckerr/sftp_with_rust
[INFO] tweaked toml for git repo https://github.com/knuckerr/sftp_with_rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/knuckerr/sftp_with_rust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] b6fa7a00e4f926172fe67df5a451fbf804a3f909498ad59658ceebc3e79c3ff6
[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" "b6fa7a00e4f926172fe67df5a451fbf804a3f909498ad59658ceebc3e79c3ff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6fa7a00e4f926172fe67df5a451fbf804a3f909498ad59658ceebc3e79c3ff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6fa7a00e4f926172fe67df5a451fbf804a3f909498ad59658ceebc3e79c3ff6", kill_on_drop: false }`
[INFO] [stdout] b6fa7a00e4f926172fe67df5a451fbf804a3f909498ad59658ceebc3e79c3ff6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 558d1c1cd6cc68a77f3689324025c7a0d0cb9ec95336d5cd18b98349dc29abde
[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" "558d1c1cd6cc68a77f3689324025c7a0d0cb9ec95336d5cd18b98349dc29abde", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]     Checking crossbeam-utils v0.6.3
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking smallvec v0.6.7
[INFO] [stderr]     Checking serde_json v1.0.34
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking clicolors-control v1.0.0
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking filetime v0.2.4
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking tokio-reactor v0.1.7
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]     Checking notify v4.0.6
[INFO] [stderr]     Checking console v0.7.2
[INFO] [stderr]     Checking ssh2 v0.3.3
[INFO] [stderr]     Checking indicatif v0.10.3
[INFO] [stderr]  Documenting my_sftp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.56s
[INFO] running `Command { std: "docker" "inspect" "558d1c1cd6cc68a77f3689324025c7a0d0cb9ec95336d5cd18b98349dc29abde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "558d1c1cd6cc68a77f3689324025c7a0d0cb9ec95336d5cd18b98349dc29abde", kill_on_drop: false }`
[INFO] [stdout] 558d1c1cd6cc68a77f3689324025c7a0d0cb9ec95336d5cd18b98349dc29abde