[INFO] fetching crate remotefs-ftp 0.1.4... [INFO] checking remotefs-ftp-0.1.4 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate remotefs-ftp 0.1.4 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate remotefs-ftp 0.1.4 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 remotefs-ftp 0.1.4 [INFO] finished tweaking crates.io crate remotefs-ftp 0.1.4 [INFO] tweaked toml for crates.io crate remotefs-ftp 0.1.4 written to /workspace/builds/worker-4-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] [stderr] Updating crates.io index [INFO] [stderr] Locking 125 packages to latest compatible versions [INFO] [stderr] Adding core-foundation v0.9.4 (available: v0.10.0) [INFO] [stderr] Adding foreign-types v0.3.2 (available: v0.5.0) [INFO] [stderr] Adding foreign-types-shared v0.1.1 (available: v0.3.1) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (available: v0.6.5) [INFO] [stderr] Adding path-slash v0.1.5 (available: v0.2.1) [INFO] [stderr] Adding rustls v0.21.12 (available: v0.23.13) [INFO] [stderr] Adding rustls-webpki v0.101.7 (available: v0.102.8) [INFO] [stderr] Adding security-framework v2.11.1 (available: v3.0.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding webpki-roots v0.22.6 (available: v0.26.6) [INFO] [stderr] Adding windows-core v0.52.0 (available: v0.58.0) [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 26d07463b7ddd1043a7ad13bd82367b7649edb0f403005a470c64a8080273615 [INFO] running `Command { std: "docker" "start" "-a" "26d07463b7ddd1043a7ad13bd82367b7649edb0f403005a470c64a8080273615", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "26d07463b7ddd1043a7ad13bd82367b7649edb0f403005a470c64a8080273615", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26d07463b7ddd1043a7ad13bd82367b7649edb0f403005a470c64a8080273615", kill_on_drop: false }` [INFO] [stdout] 26d07463b7ddd1043a7ad13bd82367b7649edb0f403005a470c64a8080273615 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 98af8d45d8cf43ac22b32248cf3d269d3e259b229c2f83f3b37a0ce53167d355 [INFO] running `Command { std: "docker" "start" "-a" "98af8d45d8cf43ac22b32248cf3d269d3e259b229c2f83f3b37a0ce53167d355", kill_on_drop: false }` [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking parking v2.2.1 [INFO] [stderr] Checking utf8parse v0.2.2 [INFO] [stderr] Checking is_terminal_polyfill v1.70.1 [INFO] [stderr] Checking colorchoice v1.0.2 [INFO] [stderr] Checking wildmatch v2.3.4 [INFO] [stderr] Checking sdd v3.0.3 [INFO] [stderr] Checking anstyle v1.0.8 [INFO] [stderr] Checking anstyle-query v1.1.1 [INFO] [stderr] Checking diff v0.1.13 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling lazy-regex-proc_macros v3.3.0 [INFO] [stderr] Compiling serial_test_derive v3.1.1 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking anstyle-parse v0.2.5 [INFO] [stderr] Checking yansi v1.0.1 [INFO] [stderr] Checking futures-lite v2.3.0 [INFO] [stderr] Checking users v0.11.0 [INFO] [stderr] Checking remotefs v0.2.0 [INFO] [stderr] Checking scc v2.1.17 [INFO] [stderr] Checking anstream v0.6.15 [INFO] [stderr] Checking pretty_assertions v1.4.1 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking serial_test v3.1.1 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking lazy-regex v3.3.0 [INFO] [stderr] Checking env_filter v0.1.2 [INFO] [stderr] Checking suppaftp v6.0.1 [INFO] [stderr] Checking env_logger v0.11.5 [INFO] [stderr] Checking remotefs-ftp v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/client.rs:472:17 [INFO] [stdout] | [INFO] [stdout] 472 | format!("Failed to open file: {}", e); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/client.rs:487:17 [INFO] [stdout] | [INFO] [stdout] 487 | format!("Failed to open file: {}", e); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/client.rs:502:17 [INFO] [stdout] | [INFO] [stdout] 502 | format!("Failed to open file: {}", e); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/client.rs:472:17 [INFO] [stdout] | [INFO] [stdout] 472 | format!("Failed to open file: {}", e); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/client.rs:487:17 [INFO] [stdout] | [INFO] [stdout] 487 | format!("Failed to open file: {}", e); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/client.rs:502:17 [INFO] [stdout] | [INFO] [stdout] 502 | format!("Failed to open file: {}", e); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.43s [INFO] running `Command { std: "docker" "inspect" "98af8d45d8cf43ac22b32248cf3d269d3e259b229c2f83f3b37a0ce53167d355", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98af8d45d8cf43ac22b32248cf3d269d3e259b229c2f83f3b37a0ce53167d355", kill_on_drop: false }` [INFO] [stdout] 98af8d45d8cf43ac22b32248cf3d269d3e259b229c2f83f3b37a0ce53167d355