[INFO] fetching crate shorty 0.5.4... [INFO] checking shorty-0.5.4 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050 [INFO] extracting crate shorty 0.5.4 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate shorty 0.5.4 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate shorty 0.5.4 [INFO] finished tweaking crates.io crate shorty 0.5.4 [INFO] tweaked toml for crates.io crate shorty 0.5.4 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5f877ae555318a938801a178b97fea7789c6af9eca8f755abc7647f71f968d90 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "5f877ae555318a938801a178b97fea7789c6af9eca8f755abc7647f71f968d90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5f877ae555318a938801a178b97fea7789c6af9eca8f755abc7647f71f968d90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f877ae555318a938801a178b97fea7789c6af9eca8f755abc7647f71f968d90", kill_on_drop: false }` [INFO] [stdout] 5f877ae555318a938801a178b97fea7789c6af9eca8f755abc7647f71f968d90 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 31464450d03747d689f28fe0d2e8940bc71297e0ebb7d76d1274d10650278767 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "31464450d03747d689f28fe0d2e8940bc71297e0ebb7d76d1274d10650278767", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Checking sha1 v0.6.0 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking combine v3.8.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking nanoid v0.2.0 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking redis v0.10.0 [INFO] [stderr] Checking shorty v0.5.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:337:9 [INFO] [stdout] | [INFO] [stdout] 337 | / &redis [INFO] [stdout] 338 | | .get_string_answers [INFO] [stdout] 339 | | .borrow_mut() [INFO] [stdout] 340 | | .push(Ok(String::from("test url"))); [INFO] [stdout] | |_______________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:350:9 [INFO] [stdout] | [INFO] [stdout] 350 | &redis.get_bool_answers.borrow_mut().push(Ok(true)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:351:9 [INFO] [stdout] | [INFO] [stdout] 351 | &redis.exists_answers.borrow_mut().push(Ok(false)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:352:9 [INFO] [stdout] | [INFO] [stdout] 352 | &redis.incr_answers.borrow_mut().push(Ok(1)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:353:9 [INFO] [stdout] | [INFO] [stdout] 353 | &redis.expire_answers.borrow_mut().push(Ok(())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:356:9 [INFO] [stdout] | [INFO] [stdout] 356 | &redis.exists_answers.borrow_mut().push(Ok(false)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:359:9 [INFO] [stdout] | [INFO] [stdout] 359 | &redis.set_answers.borrow_mut().push(Ok(())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:373:9 [INFO] [stdout] | [INFO] [stdout] 373 | &redis.get_bool_answers.borrow_mut().push(Ok(true)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:376:9 [INFO] [stdout] | [INFO] [stdout] 376 | &redis.exists_answers.borrow_mut().push(Ok(false)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:379:9 [INFO] [stdout] | [INFO] [stdout] 379 | &redis.set_answers.borrow_mut().push(Ok(())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:393:9 [INFO] [stdout] | [INFO] [stdout] 393 | &redis.get_bool_answers.borrow_mut().push(Ok(true)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:394:9 [INFO] [stdout] | [INFO] [stdout] 394 | &redis.exists_answers.borrow_mut().push(Ok(true)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:395:9 [INFO] [stdout] | [INFO] [stdout] 395 | &redis.incr_answers.borrow_mut().push(Ok(2)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:398:9 [INFO] [stdout] | [INFO] [stdout] 398 | &redis.exists_answers.borrow_mut().push(Ok(false)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:401:9 [INFO] [stdout] | [INFO] [stdout] 401 | &redis.set_answers.borrow_mut().push(Ok(())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:415:9 [INFO] [stdout] | [INFO] [stdout] 415 | &redis.exists_answers.borrow_mut().push(Ok(false)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:418:9 [INFO] [stdout] | [INFO] [stdout] 418 | &redis.set_answers.borrow_mut().push(Ok(())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:433:9 [INFO] [stdout] | [INFO] [stdout] 433 | &redis.get_bool_answers.borrow_mut().push(Ok(true)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:434:9 [INFO] [stdout] | [INFO] [stdout] 434 | &redis.exists_answers.borrow_mut().push(Ok(true)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:435:9 [INFO] [stdout] | [INFO] [stdout] 435 | &redis.incr_answers.borrow_mut().push(Ok(rate_limit + 1)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:449:9 [INFO] [stdout] | [INFO] [stdout] 449 | &redis.exists_answers.borrow_mut().push(Ok(false)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:463:9 [INFO] [stdout] | [INFO] [stdout] 463 | &redis.exists_answers.borrow_mut().push(Ok(false)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:478:9 [INFO] [stdout] | [INFO] [stdout] 478 | &redis.get_bool_answers.borrow_mut().push(Ok(true)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:479:9 [INFO] [stdout] | [INFO] [stdout] 479 | &redis.exists_answers.borrow_mut().push(Ok(true)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:480:9 [INFO] [stdout] | [INFO] [stdout] 480 | &redis.incr_answers.borrow_mut().push(Ok(1)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:483:9 [INFO] [stdout] | [INFO] [stdout] 483 | &redis.exists_answers.borrow_mut().push(Ok(false)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:486:9 [INFO] [stdout] | [INFO] [stdout] 486 | &redis.set_answers.borrow_mut().push(Ok(())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:489:9 [INFO] [stdout] | [INFO] [stdout] 489 | &redis.get_bool_answers.borrow_mut().push(Ok(true)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:490:9 [INFO] [stdout] | [INFO] [stdout] 490 | &redis.exists_answers.borrow_mut().push(Ok(false)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:491:9 [INFO] [stdout] | [INFO] [stdout] 491 | &redis.incr_answers.borrow_mut().push(Ok(1)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:492:9 [INFO] [stdout] | [INFO] [stdout] 492 | &redis.expire_answers.borrow_mut().push(Ok(())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:495:9 [INFO] [stdout] | [INFO] [stdout] 495 | &redis.exists_answers.borrow_mut().push(Ok(false)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:498:9 [INFO] [stdout] | [INFO] [stdout] 498 | &redis.set_answers.borrow_mut().push(Ok(())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:520:9 [INFO] [stdout] | [INFO] [stdout] 520 | &redis.get_bool_answers.borrow_mut().push(Ok(false)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:535:9 [INFO] [stdout] | [INFO] [stdout] 535 | &redis.exists_answers.borrow_mut().push(Ok(true)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:536:9 [INFO] [stdout] | [INFO] [stdout] 536 | &redis.exists_answers.borrow_mut().push(Ok(true)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 36 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 26.50s [INFO] running `Command { std: "docker" "inspect" "31464450d03747d689f28fe0d2e8940bc71297e0ebb7d76d1274d10650278767", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31464450d03747d689f28fe0d2e8940bc71297e0ebb7d76d1274d10650278767", kill_on_drop: false }` [INFO] [stdout] 31464450d03747d689f28fe0d2e8940bc71297e0ebb7d76d1274d10650278767