[INFO] fetching crate p0w 0.2.2...
[INFO] testing p0w-0.2.2 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate p0w 0.2.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate p0w 0.2.2
[INFO] finished tweaking crates.io crate p0w 0.2.2
[INFO] tweaked toml for crates.io crate p0w 0.2.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate p0w 0.2.2 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate p0w 0.2.2 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rayon-core v1.7.1
[INFO] [stderr]   Downloaded generic-array v0.14.2
[INFO] [stderr]   Downloaded subtle v2.2.3
[INFO] [stderr]   Downloaded hermit-abi v0.1.14
[INFO] [stderr]   Downloaded thiserror v1.0.20
[INFO] [stderr]   Downloaded cc v1.0.58
[INFO] [stderr]   Downloaded typenum v1.12.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.18
[INFO] [stderr]   Downloaded bit-set v0.5.2
[INFO] [stderr]   Downloaded rand_xorshift v0.2.0
[INFO] [stderr]   Downloaded libc v0.2.71
[INFO] [stderr]   Downloaded regex-syntax v0.6.18
[INFO] [stderr]   Downloaded arrayvec v0.5.1
[INFO] [stderr]   Downloaded num-traits v0.2.12
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.3
[INFO] [stderr]   Downloaded bit-vec v0.6.2
[INFO] [stderr]   Downloaded rayon v1.3.1
[INFO] [stderr]   Downloaded serde v1.0.112
[INFO] [stderr]   Downloaded blake3 v0.3.5
[INFO] [stderr]   Downloaded syn v1.0.31
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.8
[INFO] [stderr]   Downloaded either v1.5.3
[INFO] [stderr]   Downloaded serde_derive v1.0.112
[INFO] [stderr]   Downloaded memoffset v0.5.4
[INFO] [stderr]   Downloaded thiserror-impl v1.0.20
[INFO] [stderr]   Downloaded proptest v0.10.0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa1437f30e3868ee7f999dbe6ce805aecbc307a661548bb341fa0fa6471a7712
[INFO] running `Command { std: "docker" "start" "-a" "fa1437f30e3868ee7f999dbe6ce805aecbc307a661548bb341fa0fa6471a7712", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa1437f30e3868ee7f999dbe6ce805aecbc307a661548bb341fa0fa6471a7712", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa1437f30e3868ee7f999dbe6ce805aecbc307a661548bb341fa0fa6471a7712", kill_on_drop: false }`
[INFO] [stdout] fa1437f30e3868ee7f999dbe6ce805aecbc307a661548bb341fa0fa6471a7712
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5124ab9fe0d8a2e669a5907af840e68b6f45a9f12ede065653f60800ace818ec
[INFO] running `Command { std: "docker" "start" "-a" "5124ab9fe0d8a2e669a5907af840e68b6f45a9f12ede065653f60800ace818ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling subtle v2.2.3
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling generic-array v0.14.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling blake3 v0.3.5
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling p0w v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.30s
[INFO] running `Command { std: "docker" "inspect" "5124ab9fe0d8a2e669a5907af840e68b6f45a9f12ede065653f60800ace818ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5124ab9fe0d8a2e669a5907af840e68b6f45a9f12ede065653f60800ace818ec", kill_on_drop: false }`
[INFO] [stdout] 5124ab9fe0d8a2e669a5907af840e68b6f45a9f12ede065653f60800ace818ec
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30a9c57812e1cb16e87a90efe57ed121eaa46a303996f366aaa87d2f3da521ee
[INFO] running `Command { std: "docker" "start" "-a" "30a9c57812e1cb16e87a90efe57ed121eaa46a303996f366aaa87d2f3da521ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling proptest v0.10.0
[INFO] [stderr]    Compiling p0w v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.96s
[INFO] running `Command { std: "docker" "inspect" "30a9c57812e1cb16e87a90efe57ed121eaa46a303996f366aaa87d2f3da521ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30a9c57812e1cb16e87a90efe57ed121eaa46a303996f366aaa87d2f3da521ee", kill_on_drop: false }`
[INFO] [stdout] 30a9c57812e1cb16e87a90efe57ed121eaa46a303996f366aaa87d2f3da521ee
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 214aed5db31b7e4291606b44e54d97d8b1bd867caf84bdb4f7c460a09ef639af
[INFO] running `Command { std: "docker" "start" "-a" "214aed5db31b7e4291606b44e54d97d8b1bd867caf84bdb4f7c460a09ef639af", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/p0w-7a95d810bc45ff17)
[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/prop.rs (/opt/rustwide/target/debug/deps/prop-c4428a903e3399e1)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test prop_par_works ... ok
[INFO] [stdout] test prop_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.58s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/works.rs (/opt/rustwide/target/debug/deps/works-05e7f07fc8b7dc4c)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test par_works ... ok
[INFO] [stdout] test works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.23s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests p0w
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/lib.rs - Tree::description (line 229) ... ok
[INFO] [stdout] test src/lib.rs - Tree::levels (line 244) ... ok
[INFO] [stdout] test src/lib.rs - Tree::as_nodes (line 258) ... ok
[INFO] [stdout] test src/lib.rs - Tree::new (line 109) ... ok
[INFO] [stdout] test src/lib.rs - Proofs::into_nodes (line 502) ... ok
[INFO] [stdout] test src/lib.rs - Proofs::verify (line 527) ... ok
[INFO] [stdout] test src/lib.rs - Proofs::description (line 429) ... ok
[INFO] [stdout] test src/lib.rs - Proofs::new (line 394) ... ok
[INFO] [stdout] test src/lib.rs - Tree::gen_proofs (line 286) ... ok
[INFO] [stdout] test src/lib.rs - Tree::gen_proofs_with (line 317) ... ok
[INFO] [stdout] test src/lib.rs - Proofs::levels (line 446) ... ok
[INFO] [stdout] test src/lib.rs - Proofs::as_nodes (line 482) ... ok
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] test src/lib.rs - Tree::par_new (line 159) ... ok
[INFO] [stdout] test src/lib.rs - Proofs::proofs (line 463) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.23s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "214aed5db31b7e4291606b44e54d97d8b1bd867caf84bdb4f7c460a09ef639af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "214aed5db31b7e4291606b44e54d97d8b1bd867caf84bdb4f7c460a09ef639af", kill_on_drop: false }`
[INFO] [stdout] 214aed5db31b7e4291606b44e54d97d8b1bd867caf84bdb4f7c460a09ef639af