[INFO] fetching crate bbecs_tutorial 1.0.3...
[INFO] checking bbecs_tutorial-1.0.3 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate bbecs_tutorial 1.0.3 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate bbecs_tutorial 1.0.3 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bbecs_tutorial 1.0.3
[INFO] finished tweaking crates.io crate bbecs_tutorial 1.0.3
[INFO] tweaked toml for crates.io crate bbecs_tutorial 1.0.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de183ea16584be25ca4be4aeae6c9713e3b8b16d3fc1f5adf50f0385eb77f827
[INFO] running `Command { std: "docker" "start" "-a" "de183ea16584be25ca4be4aeae6c9713e3b8b16d3fc1f5adf50f0385eb77f827", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de183ea16584be25ca4be4aeae6c9713e3b8b16d3fc1f5adf50f0385eb77f827", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de183ea16584be25ca4be4aeae6c9713e3b8b16d3fc1f5adf50f0385eb77f827", kill_on_drop: false }`
[INFO] [stdout] de183ea16584be25ca4be4aeae6c9713e3b8b16d3fc1f5adf50f0385eb77f827
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37311bbee95b6faebfe87aa5cde3fce21b055191df826dcc4c2c427aeb6be1be
[INFO] running `Command { std: "docker" "start" "-a" "37311bbee95b6faebfe87aa5cde3fce21b055191df826dcc4c2c427aeb6be1be", kill_on_drop: false }`
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking bbecs_tutorial v1.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> tests/entities.rs:149:26
[INFO] [stdout]     |
[INFO] [stdout] 149 | struct Location(pub f32, pub f32);
[INFO] [stdout]     |        --------          ^^^^^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `health` and `damage` are never read
[INFO] [stdout]   --> tests/language/default.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | struct Player {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 9  |     health: Health,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 10 |     damage: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Player` has derived impls for the traits `Default` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/language/default.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Health(u32);
[INFO] [stdout]    |        ------ ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Health` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `value` and `is_even` are never read
[INFO] [stdout]   --> tests/language/filter_map.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct WrappedNumber {
[INFO] [stdout]    |        ------------- fields in this struct
[INFO] [stdout] 32 |     value: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 33 |     is_even: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WrappedNumber` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/language/type_id.rs:23:14
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Speed(u32);
[INFO] [stdout]    |        ----- ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "37311bbee95b6faebfe87aa5cde3fce21b055191df826dcc4c2c427aeb6be1be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37311bbee95b6faebfe87aa5cde3fce21b055191df826dcc4c2c427aeb6be1be", kill_on_drop: false }`
[INFO] [stdout] 37311bbee95b6faebfe87aa5cde3fce21b055191df826dcc4c2c427aeb6be1be