[INFO] fetching crate structs-from-excel 0.2.2...
[INFO] checking structs-from-excel-0.2.2 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate structs-from-excel 0.2.2 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate structs-from-excel 0.2.2 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 structs-from-excel 0.2.2
[INFO] finished tweaking crates.io crate structs-from-excel 0.2.2
[INFO] tweaked toml for crates.io crate structs-from-excel 0.2.2 written to /workspace/builds/worker-0-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 20 packages to latest compatible versions
[INFO] [stderr]       Adding calamine v0.19.1 (available: v0.25.0)
[INFO] [stderr]       Adding quick-xml v0.25.0 (available: v0.36.2)
[INFO] [stderr]       Adding zip v0.6.6 (available: v2.2.0)
[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] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 21ffea904f752c8e9b4338e3c5f7000470837fb26f665c9b11b43d52b5255e5a
[INFO] running `Command { std: "docker" "start" "-a" "21ffea904f752c8e9b4338e3c5f7000470837fb26f665c9b11b43d52b5255e5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21ffea904f752c8e9b4338e3c5f7000470837fb26f665c9b11b43d52b5255e5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21ffea904f752c8e9b4338e3c5f7000470837fb26f665c9b11b43d52b5255e5a", kill_on_drop: false }`
[INFO] [stdout] 21ffea904f752c8e9b4338e3c5f7000470837fb26f665c9b11b43d52b5255e5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 98353fa2f660292aba1de63cd4b0603fd28e630c74a56ea3651a107980d60fda
[INFO] running `Command { std: "docker" "start" "-a" "98353fa2f660292aba1de63cd4b0603fd28e630c74a56ea3651a107980d60fda", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking flate2 v1.0.34
[INFO] [stderr]     Checking codepage v0.1.2
[INFO] [stderr]     Checking zip v0.6.6
[INFO] [stderr]     Checking quick-xml v0.25.0
[INFO] [stderr]     Checking calamine v0.19.1
[INFO] [stderr]     Checking structs-from-excel v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `n` is never read
[INFO] [stdout]    --> src/lib.rs:176:17
[INFO] [stdout]     |
[INFO] [stdout] 176 |                 n += 1;
[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: value assigned to `n` is never read
[INFO] [stdout]    --> src/lib.rs:176:17
[INFO] [stdout]     |
[INFO] [stdout] 176 |                 n += 1;
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.95s
[INFO] running `Command { std: "docker" "inspect" "98353fa2f660292aba1de63cd4b0603fd28e630c74a56ea3651a107980d60fda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98353fa2f660292aba1de63cd4b0603fd28e630c74a56ea3651a107980d60fda", kill_on_drop: false }`
[INFO] [stdout] 98353fa2f660292aba1de63cd4b0603fd28e630c74a56ea3651a107980d60fda