[INFO] fetching crate glk 0.2.0... [INFO] checking glk-0.2.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate glk 0.2.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate glk 0.2.0 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 glk 0.2.0 [INFO] finished tweaking crates.io crate glk 0.2.0 [INFO] tweaked toml for crates.io crate glk 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate glk 0.2.0 already has a lockfile, it will not be regenerated [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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 3f081e8ebae11fd97b21be28df4954bf2775cabc7a0e958806f7499571abc0fb [INFO] running `Command { std: "docker" "start" "-a" "3f081e8ebae11fd97b21be28df4954bf2775cabc7a0e958806f7499571abc0fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3f081e8ebae11fd97b21be28df4954bf2775cabc7a0e958806f7499571abc0fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f081e8ebae11fd97b21be28df4954bf2775cabc7a0e958806f7499571abc0fb", kill_on_drop: false }` [INFO] [stdout] 3f081e8ebae11fd97b21be28df4954bf2775cabc7a0e958806f7499571abc0fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a16b84f90271d14faa6edb70d4dfdaaaf4a6bb1b93f0358010f2d8c8d721fb54 [INFO] running `Command { std: "docker" "start" "-a" "a16b84f90271d14faa6edb70d4dfdaaaf4a6bb1b93f0358010f2d8c8d721fb54", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.64 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling cc v1.0.45 [INFO] [stderr] Compiling proc-macro2 v1.0.5 [INFO] [stderr] Compiling unicode-width v0.1.6 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling termcolor v1.0.5 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling bindgen v0.51.1 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling shlex v0.1.1 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling rustc-hash v1.0.1 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling clang-sys v0.28.1 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling which v3.0.0 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling cexpr v0.3.5 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Checking crossterm v0.12.1 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling glk-sys v0.2.0 [INFO] [stderr] Compiling glulxe-sys v0.2.0 [INFO] [stderr] Checking glk v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/lib.rs:40:14 [INFO] [stdout] | [INFO] [stdout] 40 | unsafe { &mut DUMMY } [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] help: use `&raw mut` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 40 | unsafe { &raw mut DUMMY } [INFO] [stdout] | ~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/helpers/memory_stream.rs:88:13 [INFO] [stdout] | [INFO] [stdout] 88 | &buf[0..last - self.pos].copy_from_slice(&self.buffer[self.pos..last]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 88 | let _ = &buf[0..last - self.pos].copy_from_slice(&self.buffer[self.pos..last]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/helpers/memory_stream.rs:189:13 [INFO] [stdout] | [INFO] [stdout] 189 | &buf[0..last - self.pos].copy_from_slice(&self.buffer[self.pos..last]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 189 | let _ = &buf[0..last - self.pos].copy_from_slice(&self.buffer[self.pos..last]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking glulxe v0.2.0 [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/lib.rs:40:14 [INFO] [stdout] | [INFO] [stdout] 40 | unsafe { &mut DUMMY } [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] help: use `&raw mut` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 40 | unsafe { &raw mut DUMMY } [INFO] [stdout] | ~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/helpers/memory_stream.rs:88:13 [INFO] [stdout] | [INFO] [stdout] 88 | &buf[0..last - self.pos].copy_from_slice(&self.buffer[self.pos..last]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 88 | let _ = &buf[0..last - self.pos].copy_from_slice(&self.buffer[self.pos..last]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/helpers/memory_stream.rs:189:13 [INFO] [stdout] | [INFO] [stdout] 189 | &buf[0..last - self.pos].copy_from_slice(&self.buffer[self.pos..last]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 189 | let _ = &buf[0..last - self.pos].copy_from_slice(&self.buffer[self.pos..last]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.45s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cexpr v0.3.5, nom v4.2.3 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "a16b84f90271d14faa6edb70d4dfdaaaf4a6bb1b93f0358010f2d8c8d721fb54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a16b84f90271d14faa6edb70d4dfdaaaf4a6bb1b93f0358010f2d8c8d721fb54", kill_on_drop: false }` [INFO] [stdout] a16b84f90271d14faa6edb70d4dfdaaaf4a6bb1b93f0358010f2d8c8d721fb54