[INFO] fetching crate web_ical 0.1.2... [INFO] checking web_ical-0.1.2 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate web_ical 0.1.2 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate web_ical 0.1.2 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 web_ical 0.1.2 [INFO] finished tweaking crates.io crate web_ical 0.1.2 [INFO] tweaked toml for crates.io crate web_ical 0.1.2 written to /workspace/builds/worker-5-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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 186 packages to latest compatible versions [INFO] [stderr] Adding autocfg v0.1.8 (available: v1.3.0) [INFO] [stderr] Adding base64 v0.10.1 (available: v0.22.1) [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding bytes v0.4.12 (available: v1.7.2) [INFO] [stderr] Adding cfg-if v0.1.10 (available: v1.0.0) [INFO] [stderr] Adding cloudabi v0.0.3 (available: v0.1.0) [INFO] [stderr] Adding cookie v0.12.0 (available: v0.18.1) [INFO] [stderr] Adding cookie_store v0.7.0 (available: v0.21.0) [INFO] [stderr] Adding core-foundation v0.9.4 (available: v0.10.0) [INFO] [stderr] Adding crossbeam-deque v0.7.4 (available: v0.8.5) [INFO] [stderr] Adding crossbeam-epoch v0.8.2 (available: v0.9.18) [INFO] [stderr] Adding crossbeam-queue v0.2.3 (available: v0.3.11) [INFO] [stderr] Adding crossbeam-utils v0.7.2 (available: v0.8.20) [INFO] [stderr] Adding dtoa v0.4.8 (available: v1.0.9) [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 futures v0.1.31 (available: v0.3.30) [INFO] [stderr] Adding h2 v0.1.26 (available: v0.4.6) [INFO] [stderr] Adding hashbrown v0.12.3 (available: v0.14.5) [INFO] [stderr] Adding hermit-abi v0.3.9 (available: v0.4.0) [INFO] [stderr] Adding http v0.1.21 (available: v1.1.0) [INFO] [stderr] Adding http-body v0.1.0 (available: v1.0.1) [INFO] [stderr] Adding hyper v0.12.36 (available: v1.4.1) [INFO] [stderr] Adding hyper-tls v0.3.2 (available: v0.6.0) [INFO] [stderr] Adding idna v0.1.5 (available: v1.0.2) [INFO] [stderr] Adding idna v0.2.3 (available: v1.0.2) [INFO] [stderr] Adding idna v0.5.0 (available: v1.0.2) [INFO] [stderr] Adding indexmap v1.9.3 (available: v2.5.0) [INFO] [stderr] Adding itoa v0.4.8 (available: v1.0.11) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (available: v0.6.5) [INFO] [stderr] Adding lock_api v0.3.4 (available: v0.4.12) [INFO] [stderr] Adding memoffset v0.5.6 (available: v0.9.1) [INFO] [stderr] Adding mio v0.6.23 (available: v1.0.2) [INFO] [stderr] Adding miow v0.2.2 (available: v0.6.0) [INFO] [stderr] Adding parking_lot v0.9.0 (available: v0.12.3) [INFO] [stderr] Adding parking_lot_core v0.6.3 (available: v0.9.10) [INFO] [stderr] Adding percent-encoding v1.0.1 (available: v2.3.1) [INFO] [stderr] Adding publicsuffix v1.5.6 (available: v2.2.3) [INFO] [stderr] Adding rand v0.6.5 (available: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.1.1 (available: v0.3.1) [INFO] [stderr] Adding rand_core v0.3.1 (available: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (available: v0.6.4) [INFO] [stderr] Adding rand_hc v0.1.0 (available: v0.3.2) [INFO] [stderr] Adding rand_isaac v0.1.1 (available: v0.3.0) [INFO] [stderr] Adding rand_jitter v0.1.4 (available: v0.4.0) [INFO] [stderr] Adding rand_os v0.1.3 (available: v0.2.2) [INFO] [stderr] Adding rand_pcg v0.1.2 (available: v0.3.1) [INFO] [stderr] Adding rand_xorshift v0.1.1 (available: v0.3.0) [INFO] [stderr] Adding rdrand v0.4.0 (available: v0.8.3) [INFO] [stderr] Adding redox_syscall v0.1.57 (available: v0.5.6) [INFO] [stderr] Adding reqwest v0.9.24 (available: v0.12.7) [INFO] [stderr] Adding rustc_version v0.2.3 (available: v0.4.1) [INFO] [stderr] Adding security-framework v2.11.1 (available: v3.0.0) [INFO] [stderr] Adding semver v0.9.0 (available: v1.0.23) [INFO] [stderr] Adding semver-parser v0.7.0 (available: v0.10.2) [INFO] [stderr] Adding serde_urlencoded v0.5.5 (available: v0.7.1) [INFO] [stderr] Adding smallvec v0.6.14 (available: v1.13.2) [INFO] [stderr] Adding string v0.2.1 (available: v0.3.1) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.77) [INFO] [stderr] Adding synstructure v0.12.6 (available: v0.13.1) [INFO] [stderr] Adding time v0.1.45 (available: v0.3.36) [INFO] [stderr] Adding tokio v0.1.22 (available: v1.40.0) [INFO] [stderr] Adding url v1.7.2 (available: v2.5.2) [INFO] [stderr] Adding uuid v0.7.4 (available: v1.10.0) [INFO] [stderr] Adding want v0.2.0 (available: v0.3.1) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1) [INFO] [stderr] Adding winapi v0.2.8 (available: v0.3.9) [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] [stderr] Adding winreg v0.6.2 (available: v0.52.0) [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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c3f2b24905eb97e24943d3c6a38205f98a9721adc1eda3b89d0858a9675cef4f [INFO] running `Command { std: "docker" "start" "-a" "c3f2b24905eb97e24943d3c6a38205f98a9721adc1eda3b89d0858a9675cef4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c3f2b24905eb97e24943d3c6a38205f98a9721adc1eda3b89d0858a9675cef4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3f2b24905eb97e24943d3c6a38205f98a9721adc1eda3b89d0858a9675cef4f", kill_on_drop: false }` [INFO] [stdout] c3f2b24905eb97e24943d3c6a38205f98a9721adc1eda3b89d0858a9675cef4f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c9619a17d657596e3a8cccf4d86b3305010a44a6dbfeaf4ed290ceee39987966 [INFO] running `Command { std: "docker" "start" "-a" "c9619a17d657596e3a8cccf4d86b3305010a44a6dbfeaf4ed290ceee39987966", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking unicode-bidi v0.3.15 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking parking_lot_core v0.6.3 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling openssl v0.10.66 [INFO] [stderr] Compiling httparse v1.9.4 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking gimli v0.31.0 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling hyper v0.12.36 [INFO] [stderr] Checking object v0.36.4 [INFO] [stderr] Compiling native-tls v0.2.12 [INFO] [stderr] Checking try-lock v0.2.5 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Checking tokio-buf v0.1.1 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Checking rustc-demangle v0.1.24 [INFO] [stderr] Checking url v2.5.2 [INFO] [stderr] Checking want v0.2.0 [INFO] [stderr] Compiling mime_guess v2.0.5 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking openssl-probe v0.1.5 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking try_from v0.3.2 [INFO] [stderr] Checking dtoa v0.4.8 [INFO] [stderr] Checking flate2 v1.0.33 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Compiling openssl-sys v0.9.103 [INFO] [stderr] Checking encoding_rs v0.8.34 [INFO] [stderr] Checking publicsuffix v1.5.6 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking iana-time-zone v0.1.61 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking cookie v0.12.0 [INFO] [stderr] Checking serde_urlencoded v0.5.5 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking chrono v0.4.38 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking addr2line v0.24.1 [INFO] [stderr] Checking backtrace v0.3.74 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking cookie_store v0.7.0 [INFO] [stderr] Checking hyper-tls v0.3.2 [INFO] [stderr] Checking reqwest v0.9.24 [INFO] [stderr] Checking web_ical v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:400:64 [INFO] [stdout] | [INFO] [stdout] 400 | pub fn export_ics(&self, path: &str) -> io::Result<(bool)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 400 - pub fn export_ics(&self, path: &str) -> io::Result<(bool)> { [INFO] [stdout] 400 + pub fn export_ics(&self, path: &str) -> io::Result { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:400:64 [INFO] [stdout] | [INFO] [stdout] 400 | pub fn export_ics(&self, path: &str) -> io::Result<(bool)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 400 - pub fn export_ics(&self, path: &str) -> io::Result<(bool)> { [INFO] [stdout] 400 + pub fn export_ics(&self, path: &str) -> io::Result { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `chrono::DateTime::::from_utc`: Use TimeZone::from_utc_datetime() or DateTime::from_naive_utc_and_offset instead [INFO] [stdout] --> src/lib.rs:61:48 [INFO] [stdout] | [INFO] [stdout] 61 | let date_tz_axu: DateTime = DateTime::from_utc(no_timezone_aux, Utc); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `chrono::DateTime::::from_utc`: Use TimeZone::from_utc_datetime() or DateTime::from_naive_utc_and_offset instead [INFO] [stdout] --> src/lib.rs:61:48 [INFO] [stdout] | [INFO] [stdout] 61 | let date_tz_axu: DateTime = DateTime::from_utc(no_timezone_aux, Utc); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `chrono::DateTime::::from_utc`: Use TimeZone::from_utc_datetime() or DateTime::from_naive_utc_and_offset instead [INFO] [stdout] --> src/lib.rs:93:52 [INFO] [stdout] | [INFO] [stdout] 93 | let date_tz: DateTime = DateTime::from_utc(no_timezone, Utc); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `chrono::DateTime::::from_utc`: Use TimeZone::from_utc_datetime() or DateTime::from_naive_utc_and_offset instead [INFO] [stdout] --> src/lib.rs:93:52 [INFO] [stdout] | [INFO] [stdout] 93 | let date_tz: DateTime = DateTime::from_utc(no_timezone, Utc); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `string_key` is never read [INFO] [stdout] --> src/lib.rs:154:21 [INFO] [stdout] | [INFO] [stdout] 154 | let mut string_key = String::new(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `string_key` is never read [INFO] [stdout] --> src/lib.rs:154:21 [INFO] [stdout] | [INFO] [stdout] 154 | let mut string_key = String::new(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Result<(), std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:464:23 [INFO] [stdout] | [INFO] [stdout] 403 | let mut f = File::create(&path)?; [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 464 | match f.write_all(data.as_bytes()){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Result<(), std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:464:23 [INFO] [stdout] | [INFO] [stdout] 403 | let mut f = File::create(&path)?; [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 464 | match f.write_all(data.as_bytes()){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `web_ical` (lib test) due to 2 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `web_ical` (lib) due to 2 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "c9619a17d657596e3a8cccf4d86b3305010a44a6dbfeaf4ed290ceee39987966", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9619a17d657596e3a8cccf4d86b3305010a44a6dbfeaf4ed290ceee39987966", kill_on_drop: false }` [INFO] [stdout] c9619a17d657596e3a8cccf4d86b3305010a44a6dbfeaf4ed290ceee39987966