[INFO] fetching crate mockers 0.22.0... [INFO] checking mockers-0.22.0 against master#19dd9535408db0f1ff3d16613619076aef524d19 for pr-115950 [INFO] extracting crate mockers 0.22.0 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate mockers 0.22.0 on toolchain 19dd9535408db0f1ff3d16613619076aef524d19 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mockers 0.22.0 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate mockers 0.22.0 [INFO] tweaked toml for crates.io crate mockers 0.22.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded itertools v0.4.19 [INFO] [stderr] Downloaded mockers_derive v0.22.0 [INFO] [stderr] Downloaded proc-quote-impl v0.2.2 [INFO] [stderr] Downloaded proc-quote v0.2.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 22314b6c44092e7e0d25880ee1225a96292ada9d4a38c01fad6ddd9fab537675 [INFO] running `Command { std: "docker" "start" "-a" "22314b6c44092e7e0d25880ee1225a96292ada9d4a38c01fad6ddd9fab537675", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "22314b6c44092e7e0d25880ee1225a96292ada9d4a38c01fad6ddd9fab537675", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "22314b6c44092e7e0d25880ee1225a96292ada9d4a38c01fad6ddd9fab537675", kill_on_drop: false }` [INFO] [stdout] 22314b6c44092e7e0d25880ee1225a96292ada9d4a38c01fad6ddd9fab537675 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2c9bee1d6193a2c34d4e19f68d54712cb35902da9a9ed7e861e202223e1a07ef [INFO] running `Command { std: "docker" "start" "-a" "2c9bee1d6193a2c34d4e19f68d54712cb35902da9a9ed7e861e202223e1a07ef", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling unindent v0.1.11 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling itertools v0.4.19 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking mockers v0.22.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling proc-quote-impl v0.2.2 [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:734:26 [INFO] [stdout] | [INFO] [stdout] 734 | unsafe { Box::from_raw(args_to_destroy as *mut ($($Arg,)*)) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 758 | define_verify!(verify0 { }); [INFO] [stdout] | --------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `define_verify` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 734 | unsafe { let _ = Box::from_raw(args_to_destroy as *mut ($($Arg,)*)); }; [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:734:26 [INFO] [stdout] | [INFO] [stdout] 734 | unsafe { Box::from_raw(args_to_destroy as *mut ($($Arg,)*)) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 759 | define_verify!(verify1 { (0, arg0, Arg0) }); [INFO] [stdout] | ------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: this warning originates in the macro `define_verify` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 734 | unsafe { let _ = Box::from_raw(args_to_destroy as *mut ($($Arg,)*)); }; [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:734:26 [INFO] [stdout] | [INFO] [stdout] 734 | unsafe { Box::from_raw(args_to_destroy as *mut ($($Arg,)*)) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 760 | define_verify!(verify2 { (0, arg0, Arg0), (1, arg1, Arg1) }); [INFO] [stdout] | ------------------------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: this warning originates in the macro `define_verify` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 734 | unsafe { let _ = Box::from_raw(args_to_destroy as *mut ($($Arg,)*)); }; [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:734:26 [INFO] [stdout] | [INFO] [stdout] 734 | unsafe { Box::from_raw(args_to_destroy as *mut ($($Arg,)*)) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 761 | define_verify!(verify3 { (0, arg0, Arg0), (1, arg1, Arg1), (2, arg2, Arg2) }); [INFO] [stdout] | ----------------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: this warning originates in the macro `define_verify` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 734 | unsafe { let _ = Box::from_raw(args_to_destroy as *mut ($($Arg,)*)); }; [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:734:26 [INFO] [stdout] | [INFO] [stdout] 734 | unsafe { Box::from_raw(args_to_destroy as *mut ($($Arg,)*)) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 762 | define_verify!(verify4 { (0, arg0, Arg0), (1, arg1, Arg1), (2, arg2, Arg2), (3, arg3, Arg3) }); [INFO] [stdout] | ---------------------------------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: this warning originates in the macro `define_verify` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 734 | unsafe { let _ = Box::from_raw(args_to_destroy as *mut ($($Arg,)*)); }; [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling indoc-impl v0.3.6 [INFO] [stderr] Compiling indoc v0.3.6 [INFO] [stderr] Compiling proc-quote v0.2.2 [INFO] [stderr] Compiling mockers_derive v0.22.0 [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:734:26 [INFO] [stdout] | [INFO] [stdout] 734 | unsafe { Box::from_raw(args_to_destroy as *mut ($($Arg,)*)) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 758 | define_verify!(verify0 { }); [INFO] [stdout] | --------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `define_verify` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 734 | unsafe { let _ = Box::from_raw(args_to_destroy as *mut ($($Arg,)*)); }; [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:734:26 [INFO] [stdout] | [INFO] [stdout] 734 | unsafe { Box::from_raw(args_to_destroy as *mut ($($Arg,)*)) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 759 | define_verify!(verify1 { (0, arg0, Arg0) }); [INFO] [stdout] | ------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: this warning originates in the macro `define_verify` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 734 | unsafe { let _ = Box::from_raw(args_to_destroy as *mut ($($Arg,)*)); }; [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:734:26 [INFO] [stdout] | [INFO] [stdout] 734 | unsafe { Box::from_raw(args_to_destroy as *mut ($($Arg,)*)) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 760 | define_verify!(verify2 { (0, arg0, Arg0), (1, arg1, Arg1) }); [INFO] [stdout] | ------------------------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: this warning originates in the macro `define_verify` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 734 | unsafe { let _ = Box::from_raw(args_to_destroy as *mut ($($Arg,)*)); }; [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:734:26 [INFO] [stdout] | [INFO] [stdout] 734 | unsafe { Box::from_raw(args_to_destroy as *mut ($($Arg,)*)) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 761 | define_verify!(verify3 { (0, arg0, Arg0), (1, arg1, Arg1), (2, arg2, Arg2) }); [INFO] [stdout] | ----------------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: this warning originates in the macro `define_verify` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 734 | unsafe { let _ = Box::from_raw(args_to_destroy as *mut ($($Arg,)*)); }; [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:734:26 [INFO] [stdout] | [INFO] [stdout] 734 | unsafe { Box::from_raw(args_to_destroy as *mut ($($Arg,)*)) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 762 | define_verify!(verify4 { (0, arg0, Arg0), (1, arg1, Arg1), (2, arg2, Arg2), (3, arg3, Arg3) }); [INFO] [stdout] | ---------------------------------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: this warning originates in the macro `define_verify` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 734 | unsafe { let _ = Box::from_raw(args_to_destroy as *mut ($($Arg,)*)); }; [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.27s [INFO] running `Command { std: "docker" "inspect" "2c9bee1d6193a2c34d4e19f68d54712cb35902da9a9ed7e861e202223e1a07ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c9bee1d6193a2c34d4e19f68d54712cb35902da9a9ed7e861e202223e1a07ef", kill_on_drop: false }` [INFO] [stdout] 2c9bee1d6193a2c34d4e19f68d54712cb35902da9a9ed7e861e202223e1a07ef