[INFO] fetching crate jsonparser 0.2.1...
[INFO] building jsonparser-0.2.1 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate jsonparser 0.2.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate jsonparser 0.2.1 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 jsonparser 0.2.1
[INFO] finished tweaking crates.io crate jsonparser 0.2.1
[INFO] tweaked toml for crates.io crate jsonparser 0.2.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate jsonparser 0.2.1 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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3164fbde28064632e405f1aeb3e0b97e92539b4ee5b5d2c95f478bea49fa4802
[INFO] running `Command { std: "docker" "start" "-a" "3164fbde28064632e405f1aeb3e0b97e92539b4ee5b5d2c95f478bea49fa4802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3164fbde28064632e405f1aeb3e0b97e92539b4ee5b5d2c95f478bea49fa4802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3164fbde28064632e405f1aeb3e0b97e92539b4ee5b5d2c95f478bea49fa4802", kill_on_drop: false }`
[INFO] [stdout] 3164fbde28064632e405f1aeb3e0b97e92539b4ee5b5d2c95f478bea49fa4802
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 2352d604c8c3782840597e7edcd75bb02ff5d69b5faa02cd4b3c94559b549bb4
[INFO] running `Command { std: "docker" "start" "-a" "2352d604c8c3782840597e7edcd75bb02ff5d69b5faa02cd4b3c94559b549bb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling jsonparser v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `lexer::Token`
[INFO] [stdout]  --> src/utils/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use lexer::Token;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lexer::TokenKind`
[INFO] [stdout]  --> src/utils/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use lexer::TokenKind;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "2352d604c8c3782840597e7edcd75bb02ff5d69b5faa02cd4b3c94559b549bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2352d604c8c3782840597e7edcd75bb02ff5d69b5faa02cd4b3c94559b549bb4", kill_on_drop: false }`
[INFO] [stdout] 2352d604c8c3782840597e7edcd75bb02ff5d69b5faa02cd4b3c94559b549bb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 29825bffbca1425c41450dc373582c63bf8bf677c8eedf97bd42a39f2902bef6
[INFO] running `Command { std: "docker" "start" "-a" "29825bffbca1425c41450dc373582c63bf8bf677c8eedf97bd42a39f2902bef6", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `lexer::Token`
[INFO] [stdout]  --> src/utils/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use lexer::Token;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lexer::TokenKind`
[INFO] [stdout]  --> src/utils/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use lexer::TokenKind;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling jsonparser v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `lexer::Token`
[INFO] [stdout]  --> src/utils/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use lexer::Token;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lexer::TokenKind`
[INFO] [stdout]  --> src/utils/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use lexer::TokenKind;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "29825bffbca1425c41450dc373582c63bf8bf677c8eedf97bd42a39f2902bef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29825bffbca1425c41450dc373582c63bf8bf677c8eedf97bd42a39f2902bef6", kill_on_drop: false }`
[INFO] [stdout] 29825bffbca1425c41450dc373582c63bf8bf677c8eedf97bd42a39f2902bef6