[INFO] fetching crate ach-linked 0.2.2...
[INFO] testing ach-linked-0.2.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate ach-linked 0.2.2 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate ach-linked 0.2.2
[INFO] finished tweaking crates.io crate ach-linked 0.2.2
[INFO] tweaked toml for crates.io crate ach-linked 0.2.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ach-linked 0.2.2 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 32 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ach-util v0.1.16
[INFO] [stderr]   Downloaded riscv-pac v0.2.0
[INFO] [stderr]   Downloaded ach-cell v0.1.17
[INFO] [stderr]   Downloaded spin_loop v0.1.1
[INFO] [stderr]   Downloaded on_drop v0.1.2
[INFO] [stderr]   Downloaded riscv v0.15.0
[INFO] [stderr]   Downloaded bare-metal v1.0.0
[INFO] [stderr]   Downloaded xtensa-lx v0.13.0
[INFO] [stderr]   Downloaded msp430 v0.4.1
[INFO] [stderr]   Downloaded riscv-macros v0.3.0
[INFO] [stderr]   Downloaded interrupt v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 473f8412d48bb933ef29aa4d6703eee06d272310bf6f55ad910c126bcbc3f7c8
[INFO] running `Command { std: "docker" "start" "-a" "473f8412d48bb933ef29aa4d6703eee06d272310bf6f55ad910c126bcbc3f7c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "473f8412d48bb933ef29aa4d6703eee06d272310bf6f55ad910c126bcbc3f7c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "473f8412d48bb933ef29aa4d6703eee06d272310bf6f55ad910c126bcbc3f7c8", kill_on_drop: false }`
[INFO] [stdout] 473f8412d48bb933ef29aa4d6703eee06d272310bf6f55ad910c126bcbc3f7c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a822f3df76415949c29c23cdcb9c98a78682c1e9048c534dbf323de15d59fb21
[INFO] running `Command { std: "docker" "start" "-a" "a822f3df76415949c29c23cdcb9c98a78682c1e9048c534dbf323de15d59fb21", kill_on_drop: false }`
[INFO] [stderr]    Compiling bare-metal v1.0.0
[INFO] [stderr]    Compiling atomic v0.5.3
[INFO] [stderr]    Compiling spin_loop v0.1.1
[INFO] [stderr]    Compiling interrupt v0.1.3
[INFO] [stderr]    Compiling ach-util v0.1.16
[INFO] [stderr]    Compiling ach-cell v0.1.17
[INFO] [stderr]    Compiling ach-linked v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:74:22
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn into_iter(&mut self) -> NodeIter<T> {
[INFO] [stdout]    |                      ^^^^^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn into_iter(&mut self) -> NodeIter<'_, T> {
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:189:17
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 drop(node);
[INFO] [stdout]     |                 ^^^^^----^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      argument has type `&mut &mut Node<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 189 -                 drop(node);
[INFO] [stdout] 189 +                 let _ = node;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "a822f3df76415949c29c23cdcb9c98a78682c1e9048c534dbf323de15d59fb21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a822f3df76415949c29c23cdcb9c98a78682c1e9048c534dbf323de15d59fb21", kill_on_drop: false }`
[INFO] [stdout] a822f3df76415949c29c23cdcb9c98a78682c1e9048c534dbf323de15d59fb21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93b313998a2e27d5cec9d0ccb0b369aa749d66482c79c182d977d5b87f12db6c
[INFO] running `Command { std: "docker" "start" "-a" "93b313998a2e27d5cec9d0ccb0b369aa749d66482c79c182d977d5b87f12db6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling on_drop v0.1.2
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:74:22
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn into_iter(&mut self) -> NodeIter<T> {
[INFO] [stdout]    |                      ^^^^^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn into_iter(&mut self) -> NodeIter<'_, T> {
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:189:17
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 drop(node);
[INFO] [stdout]     |                 ^^^^^----^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      argument has type `&mut &mut Node<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 189 -                 drop(node);
[INFO] [stdout] 189 +                 let _ = node;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ach-linked v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:74:22
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn into_iter(&mut self) -> NodeIter<T> {
[INFO] [stdout]    |                      ^^^^^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn into_iter(&mut self) -> NodeIter<'_, T> {
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:189:17
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 drop(node);
[INFO] [stdout]     |                 ^^^^^----^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      argument has type `&mut &mut Node<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 189 -                 drop(node);
[INFO] [stdout] 189 +                 let _ = node;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "93b313998a2e27d5cec9d0ccb0b369aa749d66482c79c182d977d5b87f12db6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93b313998a2e27d5cec9d0ccb0b369aa749d66482c79c182d977d5b87f12db6c", kill_on_drop: false }`
[INFO] [stdout] 93b313998a2e27d5cec9d0ccb0b369aa749d66482c79c182d977d5b87f12db6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3961caacd3a6fd1c0c0835f95ca28d0d08714210ba5bc3fc26398adaf8c652c9
[INFO] running `Command { std: "docker" "start" "-a" "3961caacd3a6fd1c0c0835f95ca28d0d08714210ba5bc3fc26398adaf8c652c9", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/lib.rs:74:22
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn into_iter(&mut self) -> NodeIter<T> {
[INFO] [stderr]    |                      ^^^^^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn into_iter(&mut self) -> NodeIter<'_, T> {
[INFO] [stderr]    |                                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]    --> src/lib.rs:189:17
[INFO] [stderr]     |
[INFO] [stderr] 189 |                 drop(node);
[INFO] [stderr]     |                 ^^^^^----^
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      argument has type `&mut &mut Node<T>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 189 -                 drop(node);
[INFO] [stderr] 189 +                 let _ = node;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `ach-linked` (lib) generated 2 warnings (run `cargo fix --lib -p ach-linked` to apply 1 suggestion)
[INFO] [stderr] warning: `ach-linked` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ach_linked-25926339d1fda7b9)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/base.rs (/opt/rustwide/target/debug/deps/base-4bf04abadbbc017f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/drop.rs (/opt/rustwide/target/debug/deps/drop-e0f810d56238b065)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/mpmc.rs (/opt/rustwide/target/debug/deps/mpmc-281c675c493846bd)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test base ... ok
[INFO] [stderr]    Doc-tests ach_linked
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.51s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3961caacd3a6fd1c0c0835f95ca28d0d08714210ba5bc3fc26398adaf8c652c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3961caacd3a6fd1c0c0835f95ca28d0d08714210ba5bc3fc26398adaf8c652c9", kill_on_drop: false }`
[INFO] [stdout] 3961caacd3a6fd1c0c0835f95ca28d0d08714210ba5bc3fc26398adaf8c652c9
