[INFO] fetching crate tetsy-util-mem-derive 0.1.1...
[INFO] checking tetsy-util-mem-derive-0.1.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate tetsy-util-mem-derive 0.1.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate tetsy-util-mem-derive 0.1.1 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 tetsy-util-mem-derive 0.1.1
[INFO] finished tweaking crates.io crate tetsy-util-mem-derive 0.1.1
[INFO] tweaked toml for crates.io crate tetsy-util-mem-derive 0.1.1 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]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[INFO] [stderr]       Adding synstructure v0.12.6 (available: v0.13.1)
[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] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[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] ab82c43d16b4f40c3c43f4b07c5101f1128edbe91e16be34adbfff4a8a9c2035
[INFO] running `Command { std: "docker" "start" "-a" "ab82c43d16b4f40c3c43f4b07c5101f1128edbe91e16be34adbfff4a8a9c2035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab82c43d16b4f40c3c43f4b07c5101f1128edbe91e16be34adbfff4a8a9c2035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab82c43d16b4f40c3c43f4b07c5101f1128edbe91e16be34adbfff4a8a9c2035", kill_on_drop: false }`
[INFO] [stdout] ab82c43d16b4f40c3c43f4b07c5101f1128edbe91e16be34adbfff4a8a9c2035
[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] ca4428d1522485c13fe28c0ca0abfa73d7529b7fc0cb3d055aed286bef6bc3e5
[INFO] running `Command { std: "docker" "start" "-a" "ca4428d1522485c13fe28c0ca0abfa73d7529b7fc0cb3d055aed286bef6bc3e5", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking unicode-ident v1.0.13
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-xid v0.2.6
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking synstructure v0.12.6
[INFO] [stderr]     Checking tetsy-util-mem-derive v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `malloc_size_of_derive` is never used
[INFO] [stdout]   --> lib.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn malloc_size_of_derive(s: synstructure::Structure) -> proc_macro2::TokenStream {
[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 5.52s
[INFO] running `Command { std: "docker" "inspect" "ca4428d1522485c13fe28c0ca0abfa73d7529b7fc0cb3d055aed286bef6bc3e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca4428d1522485c13fe28c0ca0abfa73d7529b7fc0cb3d055aed286bef6bc3e5", kill_on_drop: false }`
[INFO] [stdout] ca4428d1522485c13fe28c0ca0abfa73d7529b7fc0cb3d055aed286bef6bc3e5