[INFO] fetching crate pippin 0.1.0...
[INFO] documenting pippin-0.1.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate pippin 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate pippin 0.1.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pippin 0.1.0
[INFO] finished tweaking crates.io crate pippin 0.1.0
[INFO] tweaked toml for crates.io crate pippin 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded walkdir v0.1.8
[INFO] [stderr]   Downloaded hashindexed v0.1.1
[INFO] [stderr]   Downloaded docopt v0.6.86
[INFO] [stderr]   Downloaded chrono v0.2.25
[INFO] [stderr]   Downloaded vec_map v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 329ed1c7dc7c1f63505a5f957f1706d1dcd47bbb03802cb886556e61957a58f5
[INFO] running `Command { std: "docker" "start" "-a" "329ed1c7dc7c1f63505a5f957f1706d1dcd47bbb03802cb886556e61957a58f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "329ed1c7dc7c1f63505a5f957f1706d1dcd47bbb03802cb886556e61957a58f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "329ed1c7dc7c1f63505a5f957f1706d1dcd47bbb03802cb886556e61957a58f5", kill_on_drop: false }`
[INFO] [stdout] 329ed1c7dc7c1f63505a5f957f1706d1dcd47bbb03802cb886556e61957a58f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edc4a57358cfe7add2a24e0c96d70c6538b690b51a817da7afece31fcc75f0b4
[INFO] running `Command { std: "docker" "start" "-a" "edc4a57358cfe7add2a24e0c96d70c6538b690b51a817da7afece31fcc75f0b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking walkdir v0.1.8
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking hashindexed v0.1.1
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]  Documenting pippin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 | #![feature(box_syntax)]
[INFO] [stdout]    |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: replaced with `#[rustc_box]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `pippin`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --crate-type lib --crate-name pippin src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f34bfb234e3fd831 -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-b2486fd0fd6f1dbd.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-be763f33d1fdfb08.rmeta --extern hashindexed=/opt/rustwide/target/debug/deps/libhashindexed-ccab0996b54f55e6.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-3d27937a83d9eb13.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-c6a2643f165368a4.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-f0b084fa2dbf9731.rmeta --extern crypto=/opt/rustwide/target/debug/deps/libcrypto-9b74ff3cbc1678b7.rmeta --extern vec_map=/opt/rustwide/target/debug/deps/libvec_map-2df9ea5fdd215477.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-4c03bbb60cfc6c68.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "edc4a57358cfe7add2a24e0c96d70c6538b690b51a817da7afece31fcc75f0b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edc4a57358cfe7add2a24e0c96d70c6538b690b51a817da7afece31fcc75f0b4", kill_on_drop: false }`
[INFO] [stdout] edc4a57358cfe7add2a24e0c96d70c6538b690b51a817da7afece31fcc75f0b4
