[INFO] fetching crate cronus_parser 0.2.8...
[INFO] checking cronus_parser-0.2.8 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate cronus_parser 0.2.8 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate cronus_parser 0.2.8 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 cronus_parser 0.2.8
[INFO] finished tweaking crates.io crate cronus_parser 0.2.8
[INFO] tweaked toml for crates.io crate cronus_parser 0.2.8 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 38 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v1.1.0)
[INFO] [stderr]       Adding hashbrown v0.12.3 (available: v0.14.5)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.5.0)
[INFO] [stderr]       Adding serde_yaml v0.8.26 (available: v0.9.34+deprecated)
[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] 416fae5a8c51e85141fa012e84b06fe5709723eccc6178990d6034fef874d5ee
[INFO] running `Command { std: "docker" "start" "-a" "416fae5a8c51e85141fa012e84b06fe5709723eccc6178990d6034fef874d5ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "416fae5a8c51e85141fa012e84b06fe5709723eccc6178990d6034fef874d5ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "416fae5a8c51e85141fa012e84b06fe5709723eccc6178990d6034fef874d5ee", kill_on_drop: false }`
[INFO] [stdout] 416fae5a8c51e85141fa012e84b06fe5709723eccc6178990d6034fef874d5ee
[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] fdc65574b33e5504d3f93a7d25dd8e4b396d333d065d8bb336e6285880103de9
[INFO] running `Command { std: "docker" "start" "-a" "fdc65574b33e5504d3f93a7d25dd8e4b396d333d065d8bb336e6285880103de9", kill_on_drop: false }`
[INFO] [stderr]    Compiling pest v2.7.13
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking cronus_spec v0.2.8
[INFO] [stderr]    Compiling pest_meta v2.7.13
[INFO] [stderr]    Compiling pest_generator v2.7.13
[INFO] [stderr]    Compiling pest_derive v2.7.13
[INFO] [stderr]     Checking cronus_parser v0.2.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `VecDeque`, `error::Error`, and `fmt::format`
[INFO] [stdout]  --> src/lib.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{path::{Path, PathBuf}, error::Error, collections::{VecDeque, HashSet}, fs, fmt::format};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^                ^^^^^^^^                ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Parser` and `iterators::Pair`
[INFO] [stdout]  --> src/api_parser.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use pest::{Parser, iterators::Pair};
[INFO] [stdout]   |            ^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `VecDeque`, `error::Error`, and `fmt::format`
[INFO] [stdout]  --> src/lib.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{path::{Path, PathBuf}, error::Error, collections::{VecDeque, HashSet}, fs, fmt::format};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^                ^^^^^^^^                ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]    --> src/api_parse.rs:456:9
[INFO] [stdout]     |
[INFO] [stdout] 456 |     use std::error::Error;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Parser` and `iterators::Pair`
[INFO] [stdout]  --> src/api_parser.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use pest::{Parser, iterators::Pair};
[INFO] [stdout]   |            ^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `options` is assigned to, but never used
[INFO] [stdout]    --> src/api_parse.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 |     let mut options = None; 
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_options` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `options` is never read
[INFO] [stdout]    --> src/api_parse.rs:165:17
[INFO] [stdout]     |
[INFO] [stdout] 165 |                 options = Some(parse_option(def_loc.clone(), inner_pair));
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `def_loc`
[INFO] [stdout]    --> src/api_parse.rs:193:17
[INFO] [stdout]     |
[INFO] [stdout] 193 | fn parse_option(def_loc:Arc<DefLoc>, pair: pest::iterators::Pair<Rule>) -> Result<(Vec<String>, serde_yaml::Value)> {
[INFO] [stdout]     |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_def_loc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `options` is assigned to, but never used
[INFO] [stdout]    --> src/api_parse.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 |     let mut options = None; 
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_options` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `options` is never read
[INFO] [stdout]    --> src/api_parse.rs:165:17
[INFO] [stdout]     |
[INFO] [stdout] 165 |                 options = Some(parse_option(def_loc.clone(), inner_pair));
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `def_loc`
[INFO] [stdout]    --> src/api_parse.rs:193:17
[INFO] [stdout]     |
[INFO] [stdout] 193 | fn parse_option(def_loc:Arc<DefLoc>, pair: pest::iterators::Pair<Rule>) -> Result<(Vec<String>, serde_yaml::Value)> {
[INFO] [stdout]     |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_def_loc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.67s
[INFO] running `Command { std: "docker" "inspect" "fdc65574b33e5504d3f93a7d25dd8e4b396d333d065d8bb336e6285880103de9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdc65574b33e5504d3f93a7d25dd8e4b396d333d065d8bb336e6285880103de9", kill_on_drop: false }`
[INFO] [stdout] fdc65574b33e5504d3f93a7d25dd8e4b396d333d065d8bb336e6285880103de9