[INFO] fetching crate ptr-origin-tracker 0.2.0...
[INFO] testing ptr-origin-tracker-0.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate ptr-origin-tracker 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate ptr-origin-tracker 0.2.0
[INFO] finished tweaking crates.io crate ptr-origin-tracker 0.2.0
[INFO] tweaked toml for crates.io crate ptr-origin-tracker 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ptr-origin-tracker 0.2.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding paste v0.1.18 (available: v1.0.15)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e748dc24ff672c8b19b4594941d70aedf47488addca76a6fda1525919ee66788
[INFO] running `Command { std: "docker" "start" "-a" "e748dc24ff672c8b19b4594941d70aedf47488addca76a6fda1525919ee66788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e748dc24ff672c8b19b4594941d70aedf47488addca76a6fda1525919ee66788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e748dc24ff672c8b19b4594941d70aedf47488addca76a6fda1525919ee66788", kill_on_drop: false }`
[INFO] [stdout] e748dc24ff672c8b19b4594941d70aedf47488addca76a6fda1525919ee66788
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc35491e34423bccba75c5e7025e1a51663cedd1d8b081deebc2c74a2d87cc7a
[INFO] running `Command { std: "docker" "start" "-a" "bc35491e34423bccba75c5e7025e1a51663cedd1d8b081deebc2c74a2d87cc7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling paste v0.1.18
[INFO] [stderr]    Compiling ptr-origin-tracker v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::convert::TryFrom`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `Command { std: "docker" "inspect" "bc35491e34423bccba75c5e7025e1a51663cedd1d8b081deebc2c74a2d87cc7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc35491e34423bccba75c5e7025e1a51663cedd1d8b081deebc2c74a2d87cc7a", kill_on_drop: false }`
[INFO] [stdout] bc35491e34423bccba75c5e7025e1a51663cedd1d8b081deebc2c74a2d87cc7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82ec037a24f6c6647a8081f215e4039282dbb0e12552b3adb397071eae755521
[INFO] running `Command { std: "docker" "start" "-a" "82ec037a24f6c6647a8081f215e4039282dbb0e12552b3adb397071eae755521", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::convert::TryFrom`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ptr-origin-tracker v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no associated function or constant named `default` found for struct `X` in the current scope
[INFO] [stdout]    --> src/lib.rs:225:24
[INFO] [stdout]     |
[INFO] [stdout] 212 |     pub struct X {
[INFO] [stdout]     |     ------------ associated function or constant `default` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 225 |         let mut x = X::default();
[INFO] [stdout]     |                        ^^^^^^^ associated function or constant not found in `X`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following trait defines an item `default`, perhaps you need to implement it:
[INFO] [stdout]             candidate #1: `Default`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `Result<(), Error<X>>`
[INFO] [stdout]    --> src/lib.rs:227:9
[INFO] [stdout]     |
[INFO] [stdout] 227 |         assert_eq!(Tracker::<X>::track(ptr), Ok(()));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         Result<(), Error<X>>
[INFO] [stdout]     |         Result<(), Error<X>>
[INFO] [stdout]     |
[INFO] [stdout] note: an implementation of `PartialEq` might be missing for `X`
[INFO] [stdout]    --> src/lib.rs:212:5
[INFO] [stdout]     |
[INFO] [stdout] 212 |     pub struct X {
[INFO] [stdout]     |     ^^^^^^^^^^^^ must implement `PartialEq`
[INFO] [stdout] help: consider annotating `X` with `#[derive(PartialEq)]`
[INFO] [stdout]     |
[INFO] [stdout] 212 +     #[derive(PartialEq)]
[INFO] [stdout] 213 |     pub struct X {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `Tracker::<T>::contains`
[INFO] [stdout]    --> src/lib.rs:228:31
[INFO] [stdout]     |
[INFO] [stdout] 228 |         assert!(Tracker::<X>::contains(ptr));
[INFO] [stdout]     |                               ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `Result<(), Error<X>>`
[INFO] [stdout]    --> src/lib.rs:229:9
[INFO] [stdout]     |
[INFO] [stdout] 229 |         assert_eq!(Tracker::<X>::untrack(ptr), Ok(()));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         Result<(), Error<X>>
[INFO] [stdout]     |         Result<(), Error<X>>
[INFO] [stdout]     |
[INFO] [stdout] note: an implementation of `PartialEq` might be missing for `X`
[INFO] [stdout]    --> src/lib.rs:212:5
[INFO] [stdout]     |
[INFO] [stdout] 212 |     pub struct X {
[INFO] [stdout]     |     ^^^^^^^^^^^^ must implement `PartialEq`
[INFO] [stdout] help: consider annotating `X` with `#[derive(PartialEq)]`
[INFO] [stdout]     |
[INFO] [stdout] 212 +     #[derive(PartialEq)]
[INFO] [stdout] 213 |     pub struct X {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryFrom`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0369, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0369`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ptr-origin-tracker` (lib test) due to 3 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "82ec037a24f6c6647a8081f215e4039282dbb0e12552b3adb397071eae755521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82ec037a24f6c6647a8081f215e4039282dbb0e12552b3adb397071eae755521", kill_on_drop: false }`
[INFO] [stdout] 82ec037a24f6c6647a8081f215e4039282dbb0e12552b3adb397071eae755521
