[INFO] fetching crate objt 0.1.0...
[INFO] building objt-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate objt 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate objt 0.1.0
[INFO] finished tweaking crates.io crate objt 0.1.0
[INFO] tweaked toml for crates.io crate objt 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate objt 0.1.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a8d9164f86da14d68d17021222b3ddc2387215dbc8b5318f4c695d0dcf0076e
[INFO] running `Command { std: "docker" "start" "-a" "5a8d9164f86da14d68d17021222b3ddc2387215dbc8b5318f4c695d0dcf0076e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a8d9164f86da14d68d17021222b3ddc2387215dbc8b5318f4c695d0dcf0076e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a8d9164f86da14d68d17021222b3ddc2387215dbc8b5318f4c695d0dcf0076e", kill_on_drop: false }`
[INFO] [stdout] 5a8d9164f86da14d68d17021222b3ddc2387215dbc8b5318f4c695d0dcf0076e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8136cf589232902e095024ba0ba227651950db694057219d5104130f1e15050c
[INFO] running `Command { std: "docker" "start" "-a" "8136cf589232902e095024ba0ba227651950db694057219d5104130f1e15050c", kill_on_drop: false }`
[INFO] [stderr]    Compiling objt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "8136cf589232902e095024ba0ba227651950db694057219d5104130f1e15050c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8136cf589232902e095024ba0ba227651950db694057219d5104130f1e15050c", kill_on_drop: false }`
[INFO] [stdout] 8136cf589232902e095024ba0ba227651950db694057219d5104130f1e15050c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9d78396b87c27ede97750247d4b91639613141b68449537443815f3d4a4b3fd
[INFO] running `Command { std: "docker" "start" "-a" "a9d78396b87c27ede97750247d4b91639613141b68449537443815f3d4a4b3fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling objt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/lib.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WeakTest` is never constructed
[INFO] [stdout]   --> src/lib.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |         objt!(Test, WeakTest, TestInner, a: u32, b: u32);
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `objt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `borrow_mut`, `clone_ref`, `as_weak`, and `in_future` are never used
[INFO] [stdout]   --> src/lib.rs:22:27
[INFO] [stdout]    |
[INFO] [stdout]  9 |         impl $name {
[INFO] [stdout]    |         ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |             pub(crate) fn borrow_mut(&self) -> std::cell::RefMut<$inner> {
[INFO] [stdout]    |                           ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |             pub fn clone_ref(&self) -> Self {
[INFO] [stdout]    |                    ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |             pub fn as_weak(&self) -> $weakname {
[INFO] [stdout]    |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |             pub fn in_future<F: futures::Future, FC: FnOnce($name) -> F>(&self, f: FC) -> F {
[INFO] [stdout]    |                    ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |         objt!(Test, WeakTest, TestInner, a: u32, b: u32);
[INFO] [stdout]    |         ------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `objt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `upgrade` is never used
[INFO] [stdout]   --> src/lib.rs:46:27
[INFO] [stdout]    |
[INFO] [stdout] 45 |         impl $weakname {
[INFO] [stdout]    |         -------------- method in this implementation
[INFO] [stdout] 46 |             pub(crate) fn upgrade(&self) -> Option<$name> {
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |         objt!(Test, WeakTest, TestInner, a: u32, b: u32);
[INFO] [stdout]    |         ------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `objt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:15:34
[INFO] [stdout]    |
[INFO] [stdout] 15 |             pub(crate) fn borrow(&self) -> std::cell::Ref<$inner> {
[INFO] [stdout]    |                                  ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 64 |         objt!(Test, WeakTest, TestInner, a: u32, b: u32);
[INFO] [stdout]    |         ------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `objt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 15 |             pub(crate) fn borrow(&self) -> std::cell::Ref<'_, $inner> {
[INFO] [stdout]    |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:22:38
[INFO] [stdout]    |
[INFO] [stdout] 22 |             pub(crate) fn borrow_mut(&self) -> std::cell::RefMut<$inner> {
[INFO] [stdout]    |                                      ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                      |
[INFO] [stdout]    |                                      the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 64 |         objt!(Test, WeakTest, TestInner, a: u32, b: u32);
[INFO] [stdout]    |         ------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: this warning originates in the macro `objt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 22 |             pub(crate) fn borrow_mut(&self) -> std::cell::RefMut<'_, $inner> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "a9d78396b87c27ede97750247d4b91639613141b68449537443815f3d4a4b3fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9d78396b87c27ede97750247d4b91639613141b68449537443815f3d4a4b3fd", kill_on_drop: false }`
[INFO] [stdout] a9d78396b87c27ede97750247d4b91639613141b68449537443815f3d4a4b3fd
