[INFO] fetching crate illist 0.1.0... [INFO] building illist-0.1.0 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate illist 0.1.0 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate illist 0.1.0 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 illist 0.1.0 [INFO] finished tweaking crates.io crate illist 0.1.0 [INFO] tweaked toml for crates.io crate illist 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 9 packages to latest compatible versions [INFO] [stderr] Adding rand v0.4.6 (available: v0.8.5) [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] 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] d96c692cf468d51943f0895fe1e59b6fba6510ee9be60d8cc7a3114c2ff3b64c [INFO] running `Command { std: "docker" "start" "-a" "d96c692cf468d51943f0895fe1e59b6fba6510ee9be60d8cc7a3114c2ff3b64c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d96c692cf468d51943f0895fe1e59b6fba6510ee9be60d8cc7a3114c2ff3b64c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d96c692cf468d51943f0895fe1e59b6fba6510ee9be60d8cc7a3114c2ff3b64c", kill_on_drop: false }` [INFO] [stdout] d96c692cf468d51943f0895fe1e59b6fba6510ee9be60d8cc7a3114c2ff3b64c [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] e76eac8d0831b102ce35c5fa844ca7a8e4ec2c39e09270e33663c9a7091bf0a9 [INFO] running `Command { std: "docker" "start" "-a" "e76eac8d0831b102ce35c5fa844ca7a8e4ec2c39e09270e33663c9a7091bf0a9", kill_on_drop: false }` [INFO] [stderr] Compiling illist v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function `empty` is never used [INFO] [stdout] --> src/node.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 20 | impl Node { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn empty(prev: Id, next: Id) -> Node { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] running `Command { std: "docker" "inspect" "e76eac8d0831b102ce35c5fa844ca7a8e4ec2c39e09270e33663c9a7091bf0a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e76eac8d0831b102ce35c5fa844ca7a8e4ec2c39e09270e33663c9a7091bf0a9", kill_on_drop: false }` [INFO] [stdout] e76eac8d0831b102ce35c5fa844ca7a8e4ec2c39e09270e33663c9a7091bf0a9 [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] e706956aa85343ff48a3a2ea97e4801a6257a2be6b204c072c4f3c4a0c8de2ec [INFO] running `Command { std: "docker" "start" "-a" "e706956aa85343ff48a3a2ea97e4801a6257a2be6b204c072c4f3c4a0c8de2ec", kill_on_drop: false }` [INFO] [stdout] warning: associated function `empty` is never used [INFO] [stdout] --> src/node.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 20 | impl Node { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn empty(prev: Id, next: Id) -> Node { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling illist v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function `empty` is never used [INFO] [stdout] --> src/node.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 20 | impl Node { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn empty(prev: Id, next: Id) -> Node { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s [INFO] running `Command { std: "docker" "inspect" "e706956aa85343ff48a3a2ea97e4801a6257a2be6b204c072c4f3c4a0c8de2ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e706956aa85343ff48a3a2ea97e4801a6257a2be6b204c072c4f3c4a0c8de2ec", kill_on_drop: false }` [INFO] [stdout] e706956aa85343ff48a3a2ea97e4801a6257a2be6b204c072c4f3c4a0c8de2ec