[INFO] fetching crate cargo-safety 0.1.1...
[INFO] documenting cargo-safety-0.1.1 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate cargo-safety 0.1.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate cargo-safety 0.1.1 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 cargo-safety 0.1.1
[INFO] finished tweaking crates.io crate cargo-safety 0.1.1
[INFO] tweaked toml for crates.io crate cargo-safety 0.1.1 written to /workspace/builds/worker-7-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 serde_codegen_internals v0.10.0
[INFO] [stderr]   Downloaded rustc-serialize v0.3.25
[INFO] [stderr]   Downloaded term v0.4.6
[INFO] [stderr]   Downloaded serde_codegen v0.8.14
[INFO] [stderr]   Downloaded itoa v0.1.1
[INFO] [stderr]   Downloaded serde v0.8.23
[INFO] [stderr]   Downloaded glob v0.2.11
[INFO] [stderr]   Downloaded serde_json v0.8.6
[INFO] [stderr]   Downloaded unicode-xid v0.0.3
[INFO] [stderr]   Downloaded dtoa v0.2.2
[INFO] [stderr]   Downloaded syn v0.9.2
[INFO] [stderr]   Downloaded syntex_errors v0.52.0
[INFO] [stderr]   Downloaded serde_derive v0.8.14
[INFO] [stderr]   Downloaded syntex v0.52.0
[INFO] [stderr]   Downloaded syntex_pos v0.52.0
[INFO] [stderr]   Downloaded syntex_syntax v0.52.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d4ed779e620bf79d4ffc7b8c02882c9539b6b2b75b953663321ea1498780038f
[INFO] running `Command { std: "docker" "start" "-a" "d4ed779e620bf79d4ffc7b8c02882c9539b6b2b75b953663321ea1498780038f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4ed779e620bf79d4ffc7b8c02882c9539b6b2b75b953663321ea1498780038f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4ed779e620bf79d4ffc7b8c02882c9539b6b2b75b953663321ea1498780038f", kill_on_drop: false }`
[INFO] [stdout] d4ed779e620bf79d4ffc7b8c02882c9539b6b2b75b953663321ea1498780038f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 21811e0fd5f64c416accd7c87788ae624f582bfa5104be086844440603c785a5
[INFO] running `Command { std: "docker" "start" "-a" "21811e0fd5f64c416accd7c87788ae624f582bfa5104be086844440603c785a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]    Compiling syn v0.9.2
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]    Compiling serde_codegen_internals v0.10.0
[INFO] [stderr]    Compiling serde_codegen v0.8.14
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_codegen-0.8.14/src/lib.rs:5:66
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![cfg_attr(not(feature = "with-syntex"), feature(rustc_private, plugin))]
[INFO] [stdout]   |                                                                  ^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: plugins are no longer supported
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_codegen-0.8.14/src/lib.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | extern crate syntax;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `rustc_plugin`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_codegen-0.8.14/src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | extern crate rustc_plugin;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe you need to install the missing components with: `rustup component add rust-src rustc-dev llvm-tools-preview`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_codegen-0.8.14/src/lib.rs:5:43
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![cfg_attr(not(feature = "with-syntex"), feature(rustc_private, plugin))]
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0463, E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde_codegen` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "21811e0fd5f64c416accd7c87788ae624f582bfa5104be086844440603c785a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21811e0fd5f64c416accd7c87788ae624f582bfa5104be086844440603c785a5", kill_on_drop: false }`
[INFO] [stdout] 21811e0fd5f64c416accd7c87788ae624f582bfa5104be086844440603c785a5
