[INFO] fetching crate djotters 0.1.13...
[INFO] checking djotters-0.1.13 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate djotters 0.1.13 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate djotters 0.1.13 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate djotters 0.1.13
[INFO] finished tweaking crates.io crate djotters 0.1.13
[INFO] tweaked toml for crates.io crate djotters 0.1.13 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 38 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.12.1 (available: v0.13.0)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1edea4bf43e7d2d0928bd9d2af8ef7433f3f5a95591e989fb5f69ab48de7724
[INFO] running `Command { std: "docker" "start" "-a" "b1edea4bf43e7d2d0928bd9d2af8ef7433f3f5a95591e989fb5f69ab48de7724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1edea4bf43e7d2d0928bd9d2af8ef7433f3f5a95591e989fb5f69ab48de7724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1edea4bf43e7d2d0928bd9d2af8ef7433f3f5a95591e989fb5f69ab48de7724", kill_on_drop: false }`
[INFO] [stdout] b1edea4bf43e7d2d0928bd9d2af8ef7433f3f5a95591e989fb5f69ab48de7724
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 058f2b4d631894d4d97d326416b526fc9c2b008deeecd87a8d2eb231c571143e
[INFO] running `Command { std: "docker" "start" "-a" "058f2b4d631894d4d97d326416b526fc9c2b008deeecd87a8d2eb231c571143e", kill_on_drop: false }`
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking unidecode v0.3.0
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking utf8-width v0.1.7
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking anstream v0.6.15
[INFO] [stderr]     Checking html-escape v0.2.13
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking pretty_assertions v1.4.1
[INFO] [stderr]     Checking slugify v0.1.0
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking env_filter v0.1.2
[INFO] [stderr]     Checking env_logger v0.11.5
[INFO] [stderr]     Checking djotters v0.1.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `cut` and `newline`
[INFO] [stdout]   --> src/parser.rs:11:82
[INFO] [stdout]    |
[INFO] [stdout] 11 |             alphanumeric1, anychar, char, line_ending, multispace0, multispace1, newline, space0,
[INFO] [stdout]    |                                                                                  ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     combinator::{cut, eof, map, map_res, opt, peek, recognize, rest, verify},
[INFO] [stdout]    |                  ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::markdown`
[INFO] [stdout]  --> src/tests/attention.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::super::markdown;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::parser`
[INFO] [stdout]  --> src/tests/attention.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::super::parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pretty_assertions::assert_eq`
[INFO] [stdout]  --> src/tests/attention.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use pretty_assertions::assert_eq;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `InputTakeAtPosition`, `cut`, `error::ParseError`, and `newline`
[INFO] [stdout]   --> src/parser.rs:11:82
[INFO] [stdout]    |
[INFO] [stdout] 11 |             alphanumeric1, anychar, char, line_ending, multispace0, multispace1, newline, space0,
[INFO] [stdout]    |                                                                                  ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     combinator::{cut, eof, map, map_res, opt, peek, recognize, rest, verify},
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 16 |     error::ParseError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     AsChar, IResult, InputTakeAtPosition, Parser,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::parser`
[INFO] [stdout]  --> src/tests/attention.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::super::parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matched`
[INFO] [stdout]    --> src/parser.rs:467:21
[INFO] [stdout]     |
[INFO] [stdout] 467 |         let (input, matched) = opt(pair(char('|'), opt(peek(char('\n')))))(input)?;
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matched`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matched`
[INFO] [stdout]    --> src/parser.rs:467:21
[INFO] [stdout]     |
[INFO] [stdout] 467 |         let (input, matched) = opt(pair(char('|'), opt(peek(char('\n')))))(input)?;
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matched`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsChar`
[INFO] [stdout]   --> src/parser.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     AsChar, IResult, InputTakeAtPosition, Parser,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::ParseError`
[INFO] [stdout]   --> src/parser.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     error::ParseError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `InputTakeAtPosition`
[INFO] [stdout]   --> src/parser.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 |     AsChar, IResult, InputTakeAtPosition, Parser,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsChar`
[INFO] [stdout]   --> src/parser.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     AsChar, IResult, InputTakeAtPosition, Parser,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.89s
[INFO] running `Command { std: "docker" "inspect" "058f2b4d631894d4d97d326416b526fc9c2b008deeecd87a8d2eb231c571143e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "058f2b4d631894d4d97d326416b526fc9c2b008deeecd87a8d2eb231c571143e", kill_on_drop: false }`
[INFO] [stdout] 058f2b4d631894d4d97d326416b526fc9c2b008deeecd87a8d2eb231c571143e