[INFO] fetching crate nichi 0.5.1...
[INFO] checking nichi-0.5.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate nichi 0.5.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate nichi 0.5.1 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 nichi 0.5.1
[INFO] finished tweaking crates.io crate nichi 0.5.1
[INFO] tweaked toml for crates.io crate nichi 0.5.1 written to /workspace/builds/worker-4-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]      Locking 19 packages to latest compatible versions
[INFO] [stderr]       Adding convert_case v0.4.0 (available: v0.6.0)
[INFO] [stderr]       Adding derive_more v0.99.18 (available: v1.0.0)
[INFO] [stderr]       Adding virtue v0.0.13 (available: v0.0.17)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 80ce0d356a1a3273631389d176aaab4e1c8614d1a4afe9b4f188cda499d70c77
[INFO] running `Command { std: "docker" "start" "-a" "80ce0d356a1a3273631389d176aaab4e1c8614d1a4afe9b4f188cda499d70c77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80ce0d356a1a3273631389d176aaab4e1c8614d1a4afe9b4f188cda499d70c77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80ce0d356a1a3273631389d176aaab4e1c8614d1a4afe9b4f188cda499d70c77", kill_on_drop: false }`
[INFO] [stdout] 80ce0d356a1a3273631389d176aaab4e1c8614d1a4afe9b4f188cda499d70c77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8f6a2f3cab9392765bbe1112ef9464a87a1d9796279ce119566c0b0de0ed49c0
[INFO] running `Command { std: "docker" "start" "-a" "8f6a2f3cab9392765bbe1112ef9464a87a1d9796279ce119566c0b0de0ed49c0", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling virtue v0.0.13
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling bincode_derive v2.0.0-rc.3
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking bincode v2.0.0-rc.3
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling derive_more v0.99.18
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking serde v1.0.210
[INFO] [stderr]     Checking nichi v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     private_in_public,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Into`
[INFO] [stdout]  --> src/year.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Into,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::day::Day`
[INFO] [stdout]   --> src/year.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::day::Day;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::weekday::Weekday`
[INFO] [stdout]   --> src/year.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::weekday::Weekday;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Date`, `Day`, `Weekday`, and `Year`
[INFO] [stdout]  --> src/free.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::{Date,Year,Month,Day,DaysInMonth,Weekday};
[INFO] [stdout]   |             ^^^^ ^^^^       ^^^             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     private_in_public,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Into`
[INFO] [stdout]  --> src/year.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Into,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::day::Day`
[INFO] [stdout]   --> src/year.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::day::Day;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::weekday::Weekday`
[INFO] [stdout]   --> src/year.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::weekday::Weekday;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Date`, `Day`, `Weekday`, and `Year`
[INFO] [stdout]  --> src/free.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::{Date,Year,Month,Day,DaysInMonth,Weekday};
[INFO] [stdout]   |             ^^^^ ^^^^       ^^^             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.78s
[INFO] running `Command { std: "docker" "inspect" "8f6a2f3cab9392765bbe1112ef9464a87a1d9796279ce119566c0b0de0ed49c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f6a2f3cab9392765bbe1112ef9464a87a1d9796279ce119566c0b0de0ed49c0", kill_on_drop: false }`
[INFO] [stdout] 8f6a2f3cab9392765bbe1112ef9464a87a1d9796279ce119566c0b0de0ed49c0