[INFO] fetching crate gstd 1.6.0... [INFO] checking gstd-1.6.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate gstd 1.6.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate gstd 1.6.0 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 gstd 1.6.0 [INFO] finished tweaking crates.io crate gstd 1.6.0 [INFO] tweaked toml for crates.io crate gstd 1.6.0 written to /workspace/builds/worker-7-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] Updating crates.io index [INFO] [stderr] Locking 80 packages to latest compatible versions [INFO] [stderr] Adding convert_case v0.4.0 (available: v0.6.0) [INFO] [stderr] Adding derive_more v0.99.18 (available: v1.0.0) [INFO] [stderr] Adding enum-iterator v1.5.0 (available: v2.1.0) [INFO] [stderr] Adding generic-array v0.14.7 (available: v1.1.0) [INFO] [stderr] Adding impl-codec v0.6.0 (available: v0.7.0) [INFO] [stderr] Adding primitive-types v0.12.2 (available: v0.13.1) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.77) [INFO] [stderr] Adding uint v0.9.5 (available: v0.10.0) [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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a16518f8c26b45108b04881d8de078045665cc06faafa197945ed88cc3cab952 [INFO] running `Command { std: "docker" "start" "-a" "a16518f8c26b45108b04881d8de078045665cc06faafa197945ed88cc3cab952", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a16518f8c26b45108b04881d8de078045665cc06faafa197945ed88cc3cab952", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a16518f8c26b45108b04881d8de078045665cc06faafa197945ed88cc3cab952", kill_on_drop: false }` [INFO] [stdout] a16518f8c26b45108b04881d8de078045665cc06faafa197945ed88cc3cab952 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ec594f789759cea7be4260d768988b91a230d8aa10bbfe5ef67d8eddfebff6bb [INFO] running `Command { std: "docker" "start" "-a" "ec594f789759cea7be4260d768988b91a230d8aa10bbfe5ef67d8eddfebff6bb", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling winnow v0.6.20 [INFO] [stderr] Compiling toml_datetime v0.6.8 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Checking arrayvec v0.7.6 [INFO] [stderr] Checking byte-slice-cast v1.2.2 [INFO] [stderr] Compiling hex v0.4.3 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling subtle v2.6.1 [INFO] [stderr] Compiling static_assertions v1.1.0 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Compiling rustc-hex v2.1.0 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling fixed-hash v0.8.0 [INFO] [stderr] Compiling gear-dlmalloc v0.2.0 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Compiling gear-stack-buffer v1.6.0 [INFO] [stderr] Compiling uint v0.9.5 [INFO] [stderr] Checking bs58 v0.5.1 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking page_size v0.6.0 [INFO] [stderr] Checking libc-print v0.1.23 [INFO] [stderr] Checking blake2 v0.10.6 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking str-buf v3.0.3 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling const_format_proc_macros v0.2.33 [INFO] [stderr] Checking gsys v1.6.0 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking gear-ss58 v1.6.0 [INFO] [stderr] Checking galloc v1.6.0 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Checking const_format v0.2.33 [INFO] [stderr] Compiling block-buffer v0.10.4 [INFO] [stderr] Compiling toml_edit v0.22.22 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Compiling proc-macro-crate v3.2.0 [INFO] [stderr] Compiling derive_more v0.99.18 [INFO] [stderr] Compiling enum-iterator-derive v1.4.0 [INFO] [stderr] Checking enum-iterator v1.5.0 [INFO] [stderr] Compiling parity-scale-codec-derive v3.6.12 [INFO] [stderr] Compiling impl-trait-for-tuples v0.2.2 [INFO] [stderr] Compiling scale-info-derive v2.11.3 [INFO] [stderr] Checking parity-scale-codec v3.6.12 [INFO] [stderr] Checking scale-info v2.11.3 [INFO] [stderr] Checking impl-codec v0.6.0 [INFO] [stderr] Checking primitive-types v0.12.2 [INFO] [stderr] Checking gear-core-errors v1.6.0 [INFO] [stderr] Checking gprimitives v1.6.0 [INFO] [stderr] Checking gcore v1.6.0 [INFO] [stderr] Compiling gstd-codegen v1.6.0 [INFO] [stderr] Checking gstd v1.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/async_runtime/mod.rs:45:14 [INFO] [stdout] | [INFO] [stdout] 45 | unsafe { FUTURES.get_or_insert_with(HashMap::new) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/async_runtime/mod.rs:51:14 [INFO] [stdout] | [INFO] [stdout] 51 | unsafe { SIGNALS.get_or_insert_with(WakeSignals::new) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/async_runtime/mod.rs:57:14 [INFO] [stdout] | [INFO] [stdout] 57 | unsafe { LOCKS.get_or_insert_with(LocksMap::default) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/async_runtime/mod.rs:65:14 [INFO] [stdout] | [INFO] [stdout] 65 | unsafe { REPLY_HOOKS.get_or_insert_with(HooksMap::new) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/critical.rs:66:14 [INFO] [stdout] | [INFO] [stdout] 66 | unsafe { HOOKS.get_or_insert_with(HashMap::new) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/async_runtime/mod.rs:45:14 [INFO] [stdout] | [INFO] [stdout] 45 | unsafe { FUTURES.get_or_insert_with(HashMap::new) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/async_runtime/mod.rs:51:14 [INFO] [stdout] | [INFO] [stdout] 51 | unsafe { SIGNALS.get_or_insert_with(WakeSignals::new) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/async_runtime/mod.rs:57:14 [INFO] [stdout] | [INFO] [stdout] 57 | unsafe { LOCKS.get_or_insert_with(LocksMap::default) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/async_runtime/mod.rs:65:14 [INFO] [stdout] | [INFO] [stdout] 65 | unsafe { REPLY_HOOKS.get_or_insert_with(HooksMap::new) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/critical.rs:66:14 [INFO] [stdout] | [INFO] [stdout] 66 | unsafe { HOOKS.get_or_insert_with(HashMap::new) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.25s [INFO] running `Command { std: "docker" "inspect" "ec594f789759cea7be4260d768988b91a230d8aa10bbfe5ef67d8eddfebff6bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec594f789759cea7be4260d768988b91a230d8aa10bbfe5ef67d8eddfebff6bb", kill_on_drop: false }` [INFO] [stdout] ec594f789759cea7be4260d768988b91a230d8aa10bbfe5ef67d8eddfebff6bb