[INFO] fetching crate keep_a_changelog_file 0.1.0...
[INFO] checking keep_a_changelog_file-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate keep_a_changelog_file 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate keep_a_changelog_file 0.1.0 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 crates.io crate keep_a_changelog_file 0.1.0
[INFO] finished tweaking crates.io crate keep_a_changelog_file 0.1.0
[INFO] tweaked toml for crates.io crate keep_a_changelog_file 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 51 packages to latest compatible versions
[INFO] [stderr]       Adding markdown v1.0.0-alpha.17 (available: v1.0.0-alpha.21)
[INFO] [stderr]       Adding windows-core v0.52.0 (available: v0.58.0)
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] de1bb5bedf9aa30d48bf13dfb257538c9370ccaa7f4ba444c7836a3eb383bc3f
[INFO] running `Command { std: "docker" "start" "-a" "de1bb5bedf9aa30d48bf13dfb257538c9370ccaa7f4ba444c7836a3eb383bc3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de1bb5bedf9aa30d48bf13dfb257538c9370ccaa7f4ba444c7836a3eb383bc3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de1bb5bedf9aa30d48bf13dfb257538c9370ccaa7f4ba444c7836a3eb383bc3f", kill_on_drop: false }`
[INFO] [stdout] de1bb5bedf9aa30d48bf13dfb257538c9370ccaa7f4ba444c7836a3eb383bc3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4b74f2c881598d3784ee1501bf867d186b91dd2b19740562a933e754ce645d01
[INFO] running `Command { std: "docker" "start" "-a" "4b74f2c881598d3784ee1501bf867d186b91dd2b19740562a933e754ce645d01", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]     Checking unicode-id v0.3.5
[INFO] [stderr]     Checking uriparse v0.6.4
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking markdown v1.0.0-alpha.17
[INFO] [stderr]     Checking keep_a_changelog_file v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: missing documentation for the crate
[INFO] [stdout]    --> tests/integration_test.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout] 1   | / #![allow(clippy::unwrap_used)]
[INFO] [stdout] 2   | | #![allow(unused_crate_dependencies)]
[INFO] [stdout] 3   | |
[INFO] [stdout] 4   | | use keep_a_changelog_file::{ChangeGroup, Changelog, PromoteOptions};
[INFO] [stdout] ...   |
[INFO] [stdout] 162 | |     assert!(changelog.parse::<Changelog>().is_err());
[INFO] [stdout] 163 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-W missing-docs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.71s
[INFO] running `Command { std: "docker" "inspect" "4b74f2c881598d3784ee1501bf867d186b91dd2b19740562a933e754ce645d01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b74f2c881598d3784ee1501bf867d186b91dd2b19740562a933e754ce645d01", kill_on_drop: false }`
[INFO] [stdout] 4b74f2c881598d3784ee1501bf867d186b91dd2b19740562a933e754ce645d01