[INFO] fetching crate async-backtrace-attributes 0.2.7...
[INFO] checking async-backtrace-attributes-0.2.7 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate async-backtrace-attributes 0.2.7 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate async-backtrace-attributes 0.2.7 on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-backtrace-attributes 0.2.7
[INFO] finished tweaking crates.io crate async-backtrace-attributes 0.2.7
[INFO] tweaked toml for crates.io crate async-backtrace-attributes 0.2.7 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecc402c97105790575f34fe759ea7f82877496444eb9ee3b4d32169ec3a69818
[INFO] running `Command { std: "docker" "start" "-a" "ecc402c97105790575f34fe759ea7f82877496444eb9ee3b4d32169ec3a69818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecc402c97105790575f34fe759ea7f82877496444eb9ee3b4d32169ec3a69818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecc402c97105790575f34fe759ea7f82877496444eb9ee3b4d32169ec3a69818", kill_on_drop: false }`
[INFO] [stdout] ecc402c97105790575f34fe759ea7f82877496444eb9ee3b4d32169ec3a69818
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a582e47898bfafdf6abee0c680b5f443f71ebd87791bb386bd799fd625b5f96
[INFO] running `Command { std: "docker" "start" "-a" "6a582e47898bfafdf6abee0c680b5f443f71ebd87791bb386bd799fd625b5f96", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.14
[INFO] [stderr]     Checking proc-macro2 v1.0.92
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking syn v2.0.90
[INFO] [stderr]     Checking async-backtrace-attributes v0.2.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `IdentAndTypesRenamer` is never constructed
[INFO] [stdout]    --> src/expand.rs:368:8
[INFO] [stdout]     |
[INFO] [stdout] 368 | struct IdentAndTypesRenamer<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AsyncTraitBlockReplacer` is never constructed
[INFO] [stdout]    --> src/expand.rs:397:8
[INFO] [stdout]     |
[INFO] [stdout] 397 | struct AsyncTraitBlockReplacer<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IdentAndTypesRenamer` is never constructed
[INFO] [stdout]    --> src/expand.rs:368:8
[INFO] [stdout]     |
[INFO] [stdout] 368 | struct IdentAndTypesRenamer<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AsyncTraitBlockReplacer` is never constructed
[INFO] [stdout]    --> src/expand.rs:397:8
[INFO] [stdout]     |
[INFO] [stdout] 397 | struct AsyncTraitBlockReplacer<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.38s
[INFO] running `Command { std: "docker" "inspect" "6a582e47898bfafdf6abee0c680b5f443f71ebd87791bb386bd799fd625b5f96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a582e47898bfafdf6abee0c680b5f443f71ebd87791bb386bd799fd625b5f96", kill_on_drop: false }`
[INFO] [stdout] 6a582e47898bfafdf6abee0c680b5f443f71ebd87791bb386bd799fd625b5f96
