[INFO] fetching crate jcers 0.1.2... [INFO] building jcers-0.1.2 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate jcers 0.1.2 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate jcers 0.1.2 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate jcers 0.1.2 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate jcers 0.1.2 [INFO] tweaked toml for crates.io crate jcers 0.1.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate crates.io crate jcers 0.1.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded jcers_proc v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2f36833b80c232795a2ed72adb61caee8e3372e7dc5f0df5009b71524d584062 [INFO] running `Command { std: "docker" "start" "-a" "2f36833b80c232795a2ed72adb61caee8e3372e7dc5f0df5009b71524d584062", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2f36833b80c232795a2ed72adb61caee8e3372e7dc5f0df5009b71524d584062", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f36833b80c232795a2ed72adb61caee8e3372e7dc5f0df5009b71524d584062", kill_on_drop: false }` [INFO] [stdout] 2f36833b80c232795a2ed72adb61caee8e3372e7dc5f0df5009b71524d584062 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a21d750ae80cf82e7e679a0864d07bb1e6fe92914f6e91cadf5177abe08756ee [INFO] running `Command { std: "docker" "start" "-a" "a21d750ae80cf82e7e679a0864d07bb1e6fe92914f6e91cadf5177abe08756ee", kill_on_drop: false }` [INFO] [stderr] Compiling bytes v1.1.0 [INFO] [stderr] Compiling jcers v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s [INFO] running `Command { std: "docker" "inspect" "a21d750ae80cf82e7e679a0864d07bb1e6fe92914f6e91cadf5177abe08756ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a21d750ae80cf82e7e679a0864d07bb1e6fe92914f6e91cadf5177abe08756ee", kill_on_drop: false }` [INFO] [stdout] a21d750ae80cf82e7e679a0864d07bb1e6fe92914f6e91cadf5177abe08756ee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0f0960b9abe450b69b5c306d248979296c65f4a91986ac65157b90f08b88b036 [INFO] running `Command { std: "docker" "start" "-a" "0f0960b9abe450b69b5c306d248979296c65f4a91986ac65157b90f08b88b036", kill_on_drop: false }` [INFO] [stderr] Compiling jcers v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s [INFO] running `Command { std: "docker" "inspect" "0f0960b9abe450b69b5c306d248979296c65f4a91986ac65157b90f08b88b036", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f0960b9abe450b69b5c306d248979296c65f4a91986ac65157b90f08b88b036", kill_on_drop: false }` [INFO] [stdout] 0f0960b9abe450b69b5c306d248979296c65f4a91986ac65157b90f08b88b036