[INFO] fetching crate logic-circus 0.3.0... [INFO] checking logic-circus-0.3.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate logic-circus 0.3.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate logic-circus 0.3.0 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 logic-circus 0.3.0 [INFO] finished tweaking crates.io crate logic-circus 0.3.0 [INFO] tweaked toml for crates.io crate logic-circus 0.3.0 written to /workspace/builds/worker-6-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] Blocking waiting for file lock on package cache [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] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 953d918c05eedd2dd18cd14333feb0cbb6007f4a7b100e8d2b8f8bc96c4605e7 [INFO] running `Command { std: "docker" "start" "-a" "953d918c05eedd2dd18cd14333feb0cbb6007f4a7b100e8d2b8f8bc96c4605e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "953d918c05eedd2dd18cd14333feb0cbb6007f4a7b100e8d2b8f8bc96c4605e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "953d918c05eedd2dd18cd14333feb0cbb6007f4a7b100e8d2b8f8bc96c4605e7", kill_on_drop: false }` [INFO] [stdout] 953d918c05eedd2dd18cd14333feb0cbb6007f4a7b100e8d2b8f8bc96c4605e7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a3f2673854a3a4e728efada6eee6094a83dcfff9e0042376f3fd9778447313b4 [INFO] running `Command { std: "docker" "start" "-a" "a3f2673854a3a4e728efada6eee6094a83dcfff9e0042376f3fd9778447313b4", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] Checking logic-circus v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: methods `shorten_with` and `lengthen_with` are never used [INFO] [stdout] --> src/util.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 3 | pub trait ContainerSizeGames { [INFO] [stdout] | ------------------ methods in this trait [INFO] [stdout] ... [INFO] [stdout] 9 | unsafe fn shorten_with(self, len: usize, f: F) -> Self [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | unsafe fn lengthen_with(self, len: usize, f: F) -> Self [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `shorten_with` and `lengthen_with` are never used [INFO] [stdout] --> src/util.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 3 | pub trait ContainerSizeGames { [INFO] [stdout] | ------------------ methods in this trait [INFO] [stdout] ... [INFO] [stdout] 9 | unsafe fn shorten_with(self, len: usize, f: F) -> Self [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | unsafe fn lengthen_with(self, len: usize, f: F) -> Self [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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 0.11s [INFO] running `Command { std: "docker" "inspect" "a3f2673854a3a4e728efada6eee6094a83dcfff9e0042376f3fd9778447313b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3f2673854a3a4e728efada6eee6094a83dcfff9e0042376f3fd9778447313b4", kill_on_drop: false }` [INFO] [stdout] a3f2673854a3a4e728efada6eee6094a83dcfff9e0042376f3fd9778447313b4