[INFO] fetching crate tower-buffer 0.3.0... [INFO] checking tower-buffer-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate tower-buffer 0.3.0 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate tower-buffer 0.3.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tower-buffer 0.3.0 [INFO] finished tweaking crates.io crate tower-buffer 0.3.0 [INFO] tweaked toml for crates.io crate tower-buffer 0.3.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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 29 packages [INFO] [stderr] Adding bytes v0.5.6 (latest: v1.6.0) [INFO] [stderr] Adding pin-project v0.4.30 (latest: v1.1.5) [INFO] [stderr] Adding pin-project-internal v0.4.30 (latest: v1.1.5) [INFO] [stderr] Adding pin-project-lite v0.1.12 (latest: v0.2.14) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding tokio v0.2.25 (latest: v1.37.0) [INFO] [stderr] Adding tokio-macros v0.2.6 (latest: v2.2.0) [INFO] [stderr] Adding tokio-test v0.2.1 (latest: v0.4.4) [INFO] [stderr] Adding tower-test v0.3.0 (latest: v0.4.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tower-test v0.3.0 [INFO] [stderr] Downloaded tokio-test v0.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] de53e34d0d24e9dd00a348be953545af3dc6ad36adde9315275f53caf85266b9 [INFO] running `Command { std: "docker" "start" "-a" "de53e34d0d24e9dd00a348be953545af3dc6ad36adde9315275f53caf85266b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "de53e34d0d24e9dd00a348be953545af3dc6ad36adde9315275f53caf85266b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de53e34d0d24e9dd00a348be953545af3dc6ad36adde9315275f53caf85266b9", kill_on_drop: false }` [INFO] [stdout] de53e34d0d24e9dd00a348be953545af3dc6ad36adde9315275f53caf85266b9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ec904582220f1fc7d58ee6b36ecdb884d0cc96b148c0052642fbad92f1c30723 [INFO] running `Command { std: "docker" "start" "-a" "ec904582220f1fc7d58ee6b36ecdb884d0cc96b148c0052642fbad92f1c30723", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling pin-project-internal v0.4.30 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking pin-project v0.4.30 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking tokio-test v0.2.1 [INFO] [stderr] Checking tower-buffer v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `project`: consider naming projected type by passing `project` argument to #[pin_project] attribute instead, see release note for details [INFO] [stdout] --> src/future.rs:52:7 [INFO] [stdout] | [INFO] [stdout] 52 | #[project] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tower-test v0.3.0 [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `project`: consider naming projected type by passing `project` argument to #[pin_project] attribute instead, see release note for details [INFO] [stdout] --> src/future.rs:52:7 [INFO] [stdout] | [INFO] [stdout] 52 | #[project] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` 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 6.16s [INFO] running `Command { std: "docker" "inspect" "ec904582220f1fc7d58ee6b36ecdb884d0cc96b148c0052642fbad92f1c30723", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec904582220f1fc7d58ee6b36ecdb884d0cc96b148c0052642fbad92f1c30723", kill_on_drop: false }` [INFO] [stdout] ec904582220f1fc7d58ee6b36ecdb884d0cc96b148c0052642fbad92f1c30723 [INFO] checking tower-buffer-0.3.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate tower-buffer 0.3.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate tower-buffer 0.3.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tower-buffer 0.3.0 [INFO] finished tweaking crates.io crate tower-buffer 0.3.0 [INFO] tweaked toml for crates.io crate tower-buffer 0.3.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 26bdb4a6a7d0fc4eb9c6f1d503af16d2993e0f0a1ffa8eb64519de772d6c679c [INFO] running `Command { std: "docker" "start" "-a" "26bdb4a6a7d0fc4eb9c6f1d503af16d2993e0f0a1ffa8eb64519de772d6c679c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "26bdb4a6a7d0fc4eb9c6f1d503af16d2993e0f0a1ffa8eb64519de772d6c679c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26bdb4a6a7d0fc4eb9c6f1d503af16d2993e0f0a1ffa8eb64519de772d6c679c", kill_on_drop: false }` [INFO] [stdout] 26bdb4a6a7d0fc4eb9c6f1d503af16d2993e0f0a1ffa8eb64519de772d6c679c [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 989747839e07099ea2ba9507faaaf4badac3089f6934ccdf2fe3d9f509e234e6 [INFO] running `Command { std: "docker" "start" "-a" "989747839e07099ea2ba9507faaaf4badac3089f6934ccdf2fe3d9f509e234e6", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling pin-project-internal v0.4.30 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking pin-project v0.4.30 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking tokio-test v0.2.1 [INFO] [stderr] Checking tower-buffer v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `project`: consider naming projected type by passing `project` argument to #[pin_project] attribute instead, see release note for details [INFO] [stdout] --> src/future.rs:52:7 [INFO] [stdout] | [INFO] [stdout] 52 | #[project] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tower-test v0.3.0 [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `project`: consider naming projected type by passing `project` argument to #[pin_project] attribute instead, see release note for details [INFO] [stdout] --> src/future.rs:52:7 [INFO] [stdout] | [INFO] [stdout] 52 | #[project] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` 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 9.03s [INFO] running `Command { std: "docker" "inspect" "989747839e07099ea2ba9507faaaf4badac3089f6934ccdf2fe3d9f509e234e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "989747839e07099ea2ba9507faaaf4badac3089f6934ccdf2fe3d9f509e234e6", kill_on_drop: false }` [INFO] [stdout] 989747839e07099ea2ba9507faaaf4badac3089f6934ccdf2fe3d9f509e234e6