[INFO] fetching crate is-not-capnp 0.0.1...
[INFO] checking is-not-capnp-0.0.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate is-not-capnp 0.0.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate is-not-capnp 0.0.1 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 is-not-capnp 0.0.1
[INFO] finished tweaking crates.io crate is-not-capnp 0.0.1
[INFO] tweaked toml for crates.io crate is-not-capnp 0.0.1 written to /workspace/builds/worker-2-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 78 packages to latest compatible versions
[INFO] [stderr]       Adding async-channel v1.9.0 (available: v2.3.1)
[INFO] [stderr]       Adding capnp v0.17.2 (available: v0.20.1)
[INFO] [stderr]       Adding capnp-futures v0.17.1 (available: v0.20.0)
[INFO] [stderr]       Adding capnp-rpc v0.17.0 (available: v0.20.2)
[INFO] [stderr]       Adding event-listener v2.5.3 (available: v5.3.1)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (available: v0.6.5)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 4c5a045c2c608ea206601b8db372efe7f6fba8b1fdf18fbd1a71df19ac9b8e1c
[INFO] running `Command { std: "docker" "start" "-a" "4c5a045c2c608ea206601b8db372efe7f6fba8b1fdf18fbd1a71df19ac9b8e1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c5a045c2c608ea206601b8db372efe7f6fba8b1fdf18fbd1a71df19ac9b8e1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c5a045c2c608ea206601b8db372efe7f6fba8b1fdf18fbd1a71df19ac9b8e1c", kill_on_drop: false }`
[INFO] [stdout] 4c5a045c2c608ea206601b8db372efe7f6fba8b1fdf18fbd1a71df19ac9b8e1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b37c5561410c0da0518625ed2c6f62235d4cc4b5f5c1eeee2afe4fc6372506ff
[INFO] running `Command { std: "docker" "start" "-a" "b37c5561410c0da0518625ed2c6f62235d4cc4b5f5c1eeee2afe4fc6372506ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking event-listener v5.3.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking capnp v0.17.2
[INFO] [stderr]     Checking event-listener-strategy v0.5.2
[INFO] [stderr]     Checking async-lock v3.4.0
[INFO] [stderr]     Checking async-channel v2.3.1
[INFO] [stderr]     Checking blocking v1.6.1
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking async-io v2.3.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking async-signal v0.2.10
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking async-process v2.3.0
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking capnp-futures v0.17.1
[INFO] [stderr]     Checking capnp-rpc v0.17.0
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]     Checking async-std v1.13.0
[INFO] [stderr]     Checking is-not-capnp v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.71s
[INFO] running `Command { std: "docker" "inspect" "b37c5561410c0da0518625ed2c6f62235d4cc4b5f5c1eeee2afe4fc6372506ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b37c5561410c0da0518625ed2c6f62235d4cc4b5f5c1eeee2afe4fc6372506ff", kill_on_drop: false }`
[INFO] [stdout] b37c5561410c0da0518625ed2c6f62235d4cc4b5f5c1eeee2afe4fc6372506ff