[INFO] fetching crate rustdoc_demo 0.1.0...
[INFO] building rustdoc_demo-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate rustdoc_demo 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate rustdoc_demo 0.1.0
[INFO] finished tweaking crates.io crate rustdoc_demo 0.1.0
[INFO] tweaked toml for crates.io crate rustdoc_demo 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustdoc_demo 0.1.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56c83ad98fc23bae1d42c56cc65bae30da61e1b3c45792ba05cbe0ac71dd5d87
[INFO] running `Command { std: "docker" "start" "-a" "56c83ad98fc23bae1d42c56cc65bae30da61e1b3c45792ba05cbe0ac71dd5d87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56c83ad98fc23bae1d42c56cc65bae30da61e1b3c45792ba05cbe0ac71dd5d87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56c83ad98fc23bae1d42c56cc65bae30da61e1b3c45792ba05cbe0ac71dd5d87", kill_on_drop: false }`
[INFO] [stdout] 56c83ad98fc23bae1d42c56cc65bae30da61e1b3c45792ba05cbe0ac71dd5d87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c456c558e83e84cb82ad39609bc1b6c1abc9a8e27a1c6896b394ff11e8f71c6d
[INFO] running `Command { std: "docker" "start" "-a" "c456c558e83e84cb82ad39609bc1b6c1abc9a8e27a1c6896b394ff11e8f71c6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudo v0.6.0
[INFO] [stderr]    Compiling rustdoc_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `i` is never read
[INFO] [stdout]   --> src/lib.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub struct WorldStruct {
[INFO] [stdout]    |                ----------- field in this struct
[INFO] [stdout] 12 |         i: usize,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WorldStruct` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "c456c558e83e84cb82ad39609bc1b6c1abc9a8e27a1c6896b394ff11e8f71c6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c456c558e83e84cb82ad39609bc1b6c1abc9a8e27a1c6896b394ff11e8f71c6d", kill_on_drop: false }`
[INFO] [stdout] c456c558e83e84cb82ad39609bc1b6c1abc9a8e27a1c6896b394ff11e8f71c6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 470f9fd5093ffab3e4e53334f157ffaa14b26ab842f7f32b771f958b8cebfff7
[INFO] running `Command { std: "docker" "start" "-a" "470f9fd5093ffab3e4e53334f157ffaa14b26ab842f7f32b771f958b8cebfff7", kill_on_drop: false }`
[INFO] [stdout] warning: field `i` is never read
[INFO] [stdout]   --> src/lib.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub struct WorldStruct {
[INFO] [stdout]    |                ----------- field in this struct
[INFO] [stdout] 12 |         i: usize,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WorldStruct` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustdoc_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `i` is never read
[INFO] [stdout]   --> src/lib.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub struct WorldStruct {
[INFO] [stdout]    |                ----------- field in this struct
[INFO] [stdout] 12 |         i: usize,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WorldStruct` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "470f9fd5093ffab3e4e53334f157ffaa14b26ab842f7f32b771f958b8cebfff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "470f9fd5093ffab3e4e53334f157ffaa14b26ab842f7f32b771f958b8cebfff7", kill_on_drop: false }`
[INFO] [stdout] 470f9fd5093ffab3e4e53334f157ffaa14b26ab842f7f32b771f958b8cebfff7