[INFO] cloning repository https://github.com/Nilstrieb/target-tier-docs-experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nilstrieb/target-tier-docs-experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNilstrieb%2Ftarget-tier-docs-experiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNilstrieb%2Ftarget-tier-docs-experiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 05ef37ed0511f961de5813685dfb7d892a75336b
[INFO] checking Nilstrieb/target-tier-docs-experiment/05ef37ed0511f961de5813685dfb7d892a75336b against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNilstrieb%2Ftarget-tier-docs-experiment" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nilstrieb/target-tier-docs-experiment on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Nilstrieb/target-tier-docs-experiment
[INFO] finished tweaking git repo https://github.com/Nilstrieb/target-tier-docs-experiment
[INFO] tweaked toml for git repo https://github.com/Nilstrieb/target-tier-docs-experiment written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Nilstrieb/target-tier-docs-experiment already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 561ff3b3b0fd719459bf2a269b871048455f484f39ee51abeeebf3ada8ce0a7f
[INFO] running `Command { std: "docker" "start" "-a" "561ff3b3b0fd719459bf2a269b871048455f484f39ee51abeeebf3ada8ce0a7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "561ff3b3b0fd719459bf2a269b871048455f484f39ee51abeeebf3ada8ce0a7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "561ff3b3b0fd719459bf2a269b871048455f484f39ee51abeeebf3ada8ce0a7f", kill_on_drop: false }`
[INFO] [stdout] 561ff3b3b0fd719459bf2a269b871048455f484f39ee51abeeebf3ada8ce0a7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21d2f89c1f161d0919fb11535e1b242cc0a802253834b4fcd0011291881afc8d
[INFO] running `Command { std: "docker" "start" "-a" "21d2f89c1f161d0919fb11535e1b242cc0a802253834b4fcd0011291881afc8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking unsafe-libyaml v0.2.10
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking glob-match v0.2.1
[INFO] [stderr]     Checking indexmap v2.2.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking serde_yaml v0.9.31
[INFO] [stderr]     Checking target-docs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `target` and `footnotes` are never read
[INFO] [stdout]   --> src/parse.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct TargetFootnotes {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 29 |     pub target: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 30 |     #[serde(default)]
[INFO] [stdout] 31 |     pub footnotes: Vec<String>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TargetFootnotes` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `target` and `footnotes` are never read
[INFO] [stdout]   --> src/parse.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct TargetFootnotes {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 29 |     pub target: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 30 |     #[serde(default)]
[INFO] [stdout] 31 |     pub footnotes: Vec<String>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TargetFootnotes` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.34s
[INFO] running `Command { std: "docker" "inspect" "21d2f89c1f161d0919fb11535e1b242cc0a802253834b4fcd0011291881afc8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21d2f89c1f161d0919fb11535e1b242cc0a802253834b4fcd0011291881afc8d", kill_on_drop: false }`
[INFO] [stdout] 21d2f89c1f161d0919fb11535e1b242cc0a802253834b4fcd0011291881afc8d