[INFO] fetching crate lucifer-testing 1.0.0...
[INFO] building lucifer-testing-1.0.0 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate lucifer-testing 1.0.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate lucifer-testing 1.0.0 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lucifer-testing 1.0.0
[INFO] finished tweaking crates.io crate lucifer-testing 1.0.0
[INFO] tweaked toml for crates.io crate lucifer-testing 1.0.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate lucifer-testing 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0ac07ae72db0fcf4407651e6ac8c049315b73c4cdfb0978a19b7c96ef74b1cb
[INFO] running `Command { std: "docker" "start" "-a" "e0ac07ae72db0fcf4407651e6ac8c049315b73c4cdfb0978a19b7c96ef74b1cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0ac07ae72db0fcf4407651e6ac8c049315b73c4cdfb0978a19b7c96ef74b1cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0ac07ae72db0fcf4407651e6ac8c049315b73c4cdfb0978a19b7c96ef74b1cb", kill_on_drop: false }`
[INFO] [stdout] e0ac07ae72db0fcf4407651e6ac8c049315b73c4cdfb0978a19b7c96ef74b1cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db08ad14e7222c7c191dc4e95534a374df961081fc83023b1b0671090e95d62c
[INFO] running `Command { std: "docker" "start" "-a" "db08ad14e7222c7c191dc4e95534a374df961081fc83023b1b0671090e95d62c", kill_on_drop: false }`
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling lucifer-testing v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `description` is never read
[INFO] [stdout]   --> src/suite_getter/mod.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct Test {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 66 |     pub args: Vec<String>,
[INFO] [stdout] 67 |     pub description: String,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `has_command` is never read
[INFO] [stdout]   --> src/suite_getter/transformer/mod.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct Feature {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 54 |     pub name: String,
[INFO] [stdout] 55 |     pub has_command: bool, // TODO: Remove this. It's a workaround because I don't know Rust very well.
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "db08ad14e7222c7c191dc4e95534a374df961081fc83023b1b0671090e95d62c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db08ad14e7222c7c191dc4e95534a374df961081fc83023b1b0671090e95d62c", kill_on_drop: false }`
[INFO] [stdout] db08ad14e7222c7c191dc4e95534a374df961081fc83023b1b0671090e95d62c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 248fec630bcf85da35b3dd18d01485113c47eb843b31de74856ca8a1e2483b2e
[INFO] running `Command { std: "docker" "start" "-a" "248fec630bcf85da35b3dd18d01485113c47eb843b31de74856ca8a1e2483b2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling lucifer-testing v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `description` is never read
[INFO] [stdout]   --> src/suite_getter/mod.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct Test {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 66 |     pub args: Vec<String>,
[INFO] [stdout] 67 |     pub description: String,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `has_command` is never read
[INFO] [stdout]   --> src/suite_getter/transformer/mod.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct Feature {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 54 |     pub name: String,
[INFO] [stdout] 55 |     pub has_command: bool, // TODO: Remove this. It's a workaround because I don't know Rust very well.
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "248fec630bcf85da35b3dd18d01485113c47eb843b31de74856ca8a1e2483b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "248fec630bcf85da35b3dd18d01485113c47eb843b31de74856ca8a1e2483b2e", kill_on_drop: false }`
[INFO] [stdout] 248fec630bcf85da35b3dd18d01485113c47eb843b31de74856ca8a1e2483b2e