[INFO] fetching crate lzma-rs-perf-exp 0.2.1...
[INFO] checking lzma-rs-perf-exp-0.2.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate lzma-rs-perf-exp 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate lzma-rs-perf-exp 0.2.1 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 lzma-rs-perf-exp 0.2.1
[INFO] finished tweaking crates.io crate lzma-rs-perf-exp 0.2.1
[INFO] tweaked toml for crates.io crate lzma-rs-perf-exp 0.2.1 written to /workspace/builds/worker-4-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 32 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.9.3 (available: v0.11.5)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (available: v0.4.0)
[INFO] [stderr]       Adding rust-lzma v0.5.1 (available: v0.6.0)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d4e96827a4351465cacef1ef3ed323950549dbf50aef79038772e7f3768847ad
[INFO] running `Command { std: "docker" "start" "-a" "d4e96827a4351465cacef1ef3ed323950549dbf50aef79038772e7f3768847ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4e96827a4351465cacef1ef3ed323950549dbf50aef79038772e7f3768847ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4e96827a4351465cacef1ef3ed323950549dbf50aef79038772e7f3768847ad", kill_on_drop: false }`
[INFO] [stdout] d4e96827a4351465cacef1ef3ed323950549dbf50aef79038772e7f3768847ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ed8e03213338a4f59750ad14bfacc0f466d26f8cbc60cfa89a1f266d5ef70bbc
[INFO] running `Command { std: "docker" "start" "-a" "ed8e03213338a4f59750ad14bfacc0f466d26f8cbc60cfa89a1f266d5ef70bbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]     Checking crc-catalog v2.4.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]     Checking crc v3.2.1
[INFO] [stderr]     Checking lzma-rs-perf-exp v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rust-lzma v0.5.1
[INFO] [stdout] warning: methods `get_output`, `get_output_mut`, and `into_output` are never used
[INFO] [stdout]   --> src/decode/lzbuffer.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub trait LzBuffer<'a, W>
[INFO] [stdout]    |           -------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn get_output(&self) -> &W;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 22 |     // Get a mutable reference to the output sink
[INFO] [stdout] 23 |     fn get_output_mut(&mut self) -> &mut W;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn into_output(self) -> W;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[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: methods `get_output`, `get_output_mut`, and `into_output` are never used
[INFO] [stdout]   --> src/decode/lzbuffer.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub trait LzBuffer<'a, W>
[INFO] [stdout]    |           -------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn get_output(&self) -> &W;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 22 |     // Get a mutable reference to the output sink
[INFO] [stdout] 23 |     fn get_output_mut(&mut self) -> &mut W;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn into_output(self) -> W;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "ed8e03213338a4f59750ad14bfacc0f466d26f8cbc60cfa89a1f266d5ef70bbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed8e03213338a4f59750ad14bfacc0f466d26f8cbc60cfa89a1f266d5ef70bbc", kill_on_drop: false }`
[INFO] [stdout] ed8e03213338a4f59750ad14bfacc0f466d26f8cbc60cfa89a1f266d5ef70bbc