[INFO] fetching crate locenv 0.7.0...
[INFO] checking locenv-0.7.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate locenv 0.7.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate locenv 0.7.0
[INFO] finished tweaking crates.io crate locenv 0.7.0
[INFO] tweaked toml for crates.io crate locenv 0.7.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate locenv 0.7.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a192ef10e64afa1f9ee2c57efd0971cea6245207b4b6f8a69a00e31f2b94c52
[INFO] running `Command { std: "docker" "start" "-a" "9a192ef10e64afa1f9ee2c57efd0971cea6245207b4b6f8a69a00e31f2b94c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a192ef10e64afa1f9ee2c57efd0971cea6245207b4b6f8a69a00e31f2b94c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a192ef10e64afa1f9ee2c57efd0971cea6245207b4b6f8a69a00e31f2b94c52", kill_on_drop: false }`
[INFO] [stdout] 9a192ef10e64afa1f9ee2c57efd0971cea6245207b4b6f8a69a00e31f2b94c52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d96d743a14c6bcf07ed8994719f3c6ea17ff9b0ae4878dd616ab61f82518596
[INFO] running `Command { std: "docker" "start" "-a" "6d96d743a14c6bcf07ed8994719f3c6ea17ff9b0ae4878dd616ab61f82518596", kill_on_drop: false }`
[INFO] [stderr]     Checking locenv v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:407:18
[INFO] [stdout]     |
[INFO] [stdout] 407 |         unsafe { Box::from_raw(raw) };
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 407 |         unsafe { let _ = Box::from_raw(raw); };
[INFO] [stdout]     |                  +++++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:474:14
[INFO] [stdout]     |
[INFO] [stdout] 474 |     unsafe { Box::from_raw(context.get_userdata::<T>(lua, 1)) };
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 474 |     unsafe { let _ = Box::from_raw(context.get_userdata::<T>(lua, 1)); };
[INFO] [stdout]     |              +++++++                                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:407:18
[INFO] [stdout]     |
[INFO] [stdout] 407 |         unsafe { Box::from_raw(raw) };
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 407 |         unsafe { let _ = Box::from_raw(raw); };
[INFO] [stdout]     |                  +++++++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:474:14
[INFO] [stdout]     |
[INFO] [stdout] 474 |     unsafe { Box::from_raw(context.get_userdata::<T>(lua, 1)) };
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 474 |     unsafe { let _ = Box::from_raw(context.get_userdata::<T>(lua, 1)); };
[INFO] [stdout]     |              +++++++                                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "6d96d743a14c6bcf07ed8994719f3c6ea17ff9b0ae4878dd616ab61f82518596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d96d743a14c6bcf07ed8994719f3c6ea17ff9b0ae4878dd616ab61f82518596", kill_on_drop: false }`
[INFO] [stdout] 6d96d743a14c6bcf07ed8994719f3c6ea17ff9b0ae4878dd616ab61f82518596