[INFO] fetching crate systrack 0.1.0...
[INFO] testing systrack-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate systrack 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate systrack 0.1.0
[INFO] finished tweaking crates.io crate systrack 0.1.0
[INFO] tweaked toml for crates.io crate systrack 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate systrack 0.1.0 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] crate crates.io crate systrack 0.1.0 already has a lockfile, it will not be regenerated
[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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a6178d95f9162a87528be91106e122dc67a80c5e875e3cede7af0c7c07667cb6
[INFO] running `Command { std: "docker" "start" "-a" "a6178d95f9162a87528be91106e122dc67a80c5e875e3cede7af0c7c07667cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6178d95f9162a87528be91106e122dc67a80c5e875e3cede7af0c7c07667cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6178d95f9162a87528be91106e122dc67a80c5e875e3cede7af0c7c07667cb6", kill_on_drop: false }`
[INFO] [stdout] a6178d95f9162a87528be91106e122dc67a80c5e875e3cede7af0c7c07667cb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7a3e3919396958bbba91a2e02e7d9fa57e3b406e5ddb1d58144264b1cf7659e3
[INFO] running `Command { std: "docker" "start" "-a" "7a3e3919396958bbba91a2e02e7d9fa57e3b406e5ddb1d58144264b1cf7659e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling sysinfo v0.29.10
[INFO] [stderr]    Compiling systrack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.09s
[INFO] running `Command { std: "docker" "inspect" "7a3e3919396958bbba91a2e02e7d9fa57e3b406e5ddb1d58144264b1cf7659e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a3e3919396958bbba91a2e02e7d9fa57e3b406e5ddb1d58144264b1cf7659e3", kill_on_drop: false }`
[INFO] [stdout] 7a3e3919396958bbba91a2e02e7d9fa57e3b406e5ddb1d58144264b1cf7659e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f1298760650b7009399c2b38fddbd881a62320f388445a3a32bdf6305d5b7954
[INFO] running `Command { std: "docker" "start" "-a" "f1298760650b7009399c2b38fddbd881a62320f388445a3a32bdf6305d5b7954", kill_on_drop: false }`
[INFO] [stderr]    Compiling systrack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "f1298760650b7009399c2b38fddbd881a62320f388445a3a32bdf6305d5b7954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1298760650b7009399c2b38fddbd881a62320f388445a3a32bdf6305d5b7954", kill_on_drop: false }`
[INFO] [stdout] f1298760650b7009399c2b38fddbd881a62320f388445a3a32bdf6305d5b7954
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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", kill_on_drop: false }`
[INFO] [stdout] 850c2bf3a5f0027867260b84a3b6fe42c42e528fc23591870b3ed15a6aa10195
[INFO] running `Command { std: "docker" "start" "-a" "850c2bf3a5f0027867260b84a3b6fe42c42e528fc23591870b3ed15a6aa10195", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/systrack-f181f27d27f5be97)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests systrack
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - SystemTracker::new_mem_tracker (line 56) ... FAILED
[INFO] [stdout] test src/lib.rs - SystemTracker::new_cpu_tracker_with_capacity (line 47) ... FAILED
[INFO] [stdout] test src/lib.rs - SystemTracker::new_mem_tracker_with_capacity (line 63) ... FAILED
[INFO] [stdout] test src/lib.rs - SystemTracker::new_cpu_tracker (line 39) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - SystemTracker::new_mem_tracker (line 56) stdout ----
[INFO] [stdout] error[E0433]: cannot find type `SystemTracker` in this scope
[INFO] [stdout]   --> src/lib.rs:57:23
[INFO] [stdout]    |
[INFO] [stdout] 57 | let mut cpu_tracker = SystemTracker::new_mem_tracker();
[INFO] [stdout]    |                       ^^^^^^^^^^^^^ use of undeclared type `SystemTracker`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - SystemTracker::new_cpu_tracker_with_capacity (line 47) stdout ----
[INFO] [stdout] error[E0433]: cannot find type `SystemTracker` in this scope
[INFO] [stdout]   --> src/lib.rs:48:23
[INFO] [stdout]    |
[INFO] [stdout] 48 | let mut cpu_tracker = SystemTracker::new_cpu_tracker_with_capacity(TrackerCapacity::FIVE);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^ use of undeclared type `SystemTracker`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `TrackerCapacity` in this scope
[INFO] [stdout]   --> src/lib.rs:48:68
[INFO] [stdout]    |
[INFO] [stdout] 48 | let mut cpu_tracker = SystemTracker::new_cpu_tracker_with_capacity(TrackerCapacity::FIVE);
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^^^^ use of undeclared type `TrackerCapacity`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `SystemTracker` in this scope
[INFO] [stdout]   --> src/lib.rs:49:23
[INFO] [stdout]    |
[INFO] [stdout] 49 | let mut cpu_tracker = SystemTracker::new_cpu_tracker_with_capacity(TrackerCapacity::CUSTOM(20));
[INFO] [stdout]    |                       ^^^^^^^^^^^^^ use of undeclared type `SystemTracker`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `TrackerCapacity` in this scope
[INFO] [stdout]   --> src/lib.rs:49:68
[INFO] [stdout]    |
[INFO] [stdout] 49 | let mut cpu_tracker = SystemTracker::new_cpu_tracker_with_capacity(TrackerCapacity::CUSTOM(20));
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^^^^ use of undeclared type `TrackerCapacity`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - SystemTracker::new_mem_tracker_with_capacity (line 63) stdout ----
[INFO] [stdout] error[E0433]: cannot find type `SystemTracker` in this scope
[INFO] [stdout]   --> src/lib.rs:64:23
[INFO] [stdout]    |
[INFO] [stdout] 64 | let mut mem_tracker = SystemTracker::new_mem_tracker_with_capacity(TrackerCapacity::FIVE);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^ use of undeclared type `SystemTracker`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `TrackerCapacity` in this scope
[INFO] [stdout]   --> src/lib.rs:64:68
[INFO] [stdout]    |
[INFO] [stdout] 64 | let mut mem_tracker = SystemTracker::new_mem_tracker_with_capacity(TrackerCapacity::FIVE);
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^^^^ use of undeclared type `TrackerCapacity`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `SystemTracker` in this scope
[INFO] [stdout]   --> src/lib.rs:65:23
[INFO] [stdout]    |
[INFO] [stdout] 65 | let mut mem_tracker = SystemTracker::new_mem_tracker_with_capacity(TrackerCapacity::CUSTOM(20));
[INFO] [stdout]    |                       ^^^^^^^^^^^^^ use of undeclared type `SystemTracker`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `TrackerCapacity` in this scope
[INFO] [stdout]   --> src/lib.rs:65:68
[INFO] [stdout]    |
[INFO] [stdout] 65 | let mut mem_tracker = SystemTracker::new_mem_tracker_with_capacity(TrackerCapacity::CUSTOM(20));
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^^^^ use of undeclared type `TrackerCapacity`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - SystemTracker::new_cpu_tracker (line 39) stdout ----
[INFO] [stdout] error[E0433]: cannot find type `SystemTracker` in this scope
[INFO] [stdout]   --> src/lib.rs:40:23
[INFO] [stdout]    |
[INFO] [stdout] 40 | let mut cpu_tracker = SystemTracker::new_cpu_tracker();
[INFO] [stdout]    |                       ^^^^^^^^^^^^^ use of undeclared type `SystemTracker`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - SystemTracker::new_cpu_tracker (line 39)
[INFO] [stdout]     src/lib.rs - SystemTracker::new_cpu_tracker_with_capacity (line 47)
[INFO] [stdout]     src/lib.rs - SystemTracker::new_mem_tracker (line 56)
[INFO] [stdout]     src/lib.rs - SystemTracker::new_mem_tracker_with_capacity (line 63)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "850c2bf3a5f0027867260b84a3b6fe42c42e528fc23591870b3ed15a6aa10195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "850c2bf3a5f0027867260b84a3b6fe42c42e528fc23591870b3ed15a6aa10195", kill_on_drop: false }`
[INFO] [stdout] 850c2bf3a5f0027867260b84a3b6fe42c42e528fc23591870b3ed15a6aa10195
