[INFO] fetching crate qunit-macros 0.1.1...
[INFO] checking qunit-macros-0.1.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate qunit-macros 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate qunit-macros 0.1.1 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 qunit-macros 0.1.1
[INFO] finished tweaking crates.io crate qunit-macros 0.1.1
[INFO] tweaked toml for crates.io crate qunit-macros 0.1.1 written to /workspace/builds/worker-3-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.12.1 (available: v0.13.0)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 825dff936f8ef62fd64f76ec745aa1a6373f1ea3cf9e0fbd6d3d14e1fccb1a90
[INFO] running `Command { std: "docker" "start" "-a" "825dff936f8ef62fd64f76ec745aa1a6373f1ea3cf9e0fbd6d3d14e1fccb1a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "825dff936f8ef62fd64f76ec745aa1a6373f1ea3cf9e0fbd6d3d14e1fccb1a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "825dff936f8ef62fd64f76ec745aa1a6373f1ea3cf9e0fbd6d3d14e1fccb1a90", kill_on_drop: false }`
[INFO] [stdout] 825dff936f8ef62fd64f76ec745aa1a6373f1ea3cf9e0fbd6d3d14e1fccb1a90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ef4e68d2c880dab463e94a6c10752e0c82c76eba784da3d0d6e0792b1bcd007e
[INFO] running `Command { std: "docker" "start" "-a" "ef4e68d2c880dab463e94a6c10752e0c82c76eba784da3d0d6e0792b1bcd007e", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking qunit-macros v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `semi` is never read
[INFO] [stdout]   --> src/quantity_mod/input.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct Input {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub semi: Token![;],
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `eq` is never read
[INFO] [stdout]   --> src/quantity_mod/input.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Unit {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 28 |     pub name: Ident,
[INFO] [stdout] 29 |     pub eq: Token![=],
[INFO] [stdout]    |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/unit_mod/input.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Mul(Token![*]),
[INFO] [stdout]    |     --- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Mul(()),
[INFO] [stdout]    |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/unit_mod/input.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Div(Token![/]),
[INFO] [stdout]    |     --- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Div(()),
[INFO] [stdout]    |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `semi` is never read
[INFO] [stdout]   --> src/quantity_mod/input.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct Input {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub semi: Token![;],
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `eq` is never read
[INFO] [stdout]   --> src/quantity_mod/input.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Unit {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 28 |     pub name: Ident,
[INFO] [stdout] 29 |     pub eq: Token![=],
[INFO] [stdout]    |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/unit_mod/input.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Mul(Token![*]),
[INFO] [stdout]    |     --- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Mul(()),
[INFO] [stdout]    |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/unit_mod/input.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Div(Token![/]),
[INFO] [stdout]    |     --- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Div(()),
[INFO] [stdout]    |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `Command { std: "docker" "inspect" "ef4e68d2c880dab463e94a6c10752e0c82c76eba784da3d0d6e0792b1bcd007e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef4e68d2c880dab463e94a6c10752e0c82c76eba784da3d0d6e0792b1bcd007e", kill_on_drop: false }`
[INFO] [stdout] ef4e68d2c880dab463e94a6c10752e0c82c76eba784da3d0d6e0792b1bcd007e