[INFO] cloning repository https://github.com/danielinux/picotcp-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danielinux/picotcp-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielinux%2Fpicotcp-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielinux%2Fpicotcp-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a94c6f5e99e86858d1cab800b3b203b71991e6f1
[INFO] documenting danielinux/picotcp-rust against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielinux%2Fpicotcp-rust" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danielinux/picotcp-rust 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 git repo https://github.com/danielinux/picotcp-rust
[INFO] finished tweaking git repo https://github.com/danielinux/picotcp-rust
[INFO] tweaked toml for git repo https://github.com/danielinux/picotcp-rust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/danielinux/picotcp-rust already has a lockfile, it will not be regenerated
[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] warning: path `/workspace/builds/worker-5/source/src/picotcp_rs.rs` was erroneously implicitly accepted for binary `picotcp_rs`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 6c8420fb3c5aa300a7c89d7f40ae0729fd10cd7827c2e36419fb4dfb33b0e199
[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" "6c8420fb3c5aa300a7c89d7f40ae0729fd10cd7827c2e36419fb4dfb33b0e199", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c8420fb3c5aa300a7c89d7f40ae0729fd10cd7827c2e36419fb4dfb33b0e199", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c8420fb3c5aa300a7c89d7f40ae0729fd10cd7827c2e36419fb4dfb33b0e199", kill_on_drop: false }`
[INFO] [stdout] 6c8420fb3c5aa300a7c89d7f40ae0729fd10cd7827c2e36419fb4dfb33b0e199
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 88bd193fff3000f8dc27341a06b376e974abea291d5873ea24ce0278bc7b8819
[INFO] running `Command { std: "docker" "start" "-a" "88bd193fff3000f8dc27341a06b376e974abea291d5873ea24ce0278bc7b8819", kill_on_drop: false }`
[INFO] [stderr] warning: path `/opt/rustwide/workdir/src/picotcp_rs.rs` was erroneously implicitly accepted for binary `picotcp_rs`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]  Documenting picotcp_rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::mem::to_be32`
[INFO] [stdout]  --> src/picotcp_rs.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::mem::to_be32;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ no `to_be32` in `mem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::io::Timer`
[INFO] [stdout]  --> src/picotcp_rs.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::Timer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^ no `Timer` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `packed` in this scope
[INFO] [stdout]   --> src/picotcp_rs.rs:10:3
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[packed]
[INFO] [stdout]    |   ^^^^^^ help: a built-in attribute with a similar name exists: `naked`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Show` in module `fmt`
[INFO] [stdout]   --> src/picotcp_rs.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl fmt::Show for pico_ip4 {
[INFO] [stdout]    |           ^^^^ not found in `fmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `picotcp_rs`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name picotcp_rs src/picotcp_rs.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.0.1` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "88bd193fff3000f8dc27341a06b376e974abea291d5873ea24ce0278bc7b8819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88bd193fff3000f8dc27341a06b376e974abea291d5873ea24ce0278bc7b8819", kill_on_drop: false }`
[INFO] [stdout] 88bd193fff3000f8dc27341a06b376e974abea291d5873ea24ce0278bc7b8819