[INFO] fetching crate objt 0.1.0...
[INFO] checking objt-0.1.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate objt 0.1.0 into /workspace/builds/worker-0-tc2/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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate objt 0.1.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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]      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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9cae8ef9abf67d11ce0b89a22ba9b2f711f346526d83df4a6d002b78f01900d
[INFO] running `Command { std: "docker" "start" "-a" "c9cae8ef9abf67d11ce0b89a22ba9b2f711f346526d83df4a6d002b78f01900d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9cae8ef9abf67d11ce0b89a22ba9b2f711f346526d83df4a6d002b78f01900d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9cae8ef9abf67d11ce0b89a22ba9b2f711f346526d83df4a6d002b78f01900d", kill_on_drop: false }`
[INFO] [stdout] c9cae8ef9abf67d11ce0b89a22ba9b2f711f346526d83df4a6d002b78f01900d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 206c360b0149032acd13e93f5d3eec397d7cb994588978731bbe3ccb3628c4ef
[INFO] running `Command { std: "docker" "start" "-a" "206c360b0149032acd13e93f5d3eec397d7cb994588978731bbe3ccb3628c4ef", kill_on_drop: false }`
[INFO] [stderr]     Checking objt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[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)]` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.77s
[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] running `Command { std: "docker" "inspect" "206c360b0149032acd13e93f5d3eec397d7cb994588978731bbe3ccb3628c4ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "206c360b0149032acd13e93f5d3eec397d7cb994588978731bbe3ccb3628c4ef", kill_on_drop: false }`
[INFO] [stdout] 206c360b0149032acd13e93f5d3eec397d7cb994588978731bbe3ccb3628c4ef