[INFO] fetching crate p0w 0.2.2...
[INFO] testing p0w-0.2.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate p0w 0.2.2 into /workspace/builds/worker-1-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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate p0w 0.2.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-xid v0.2.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.20
[INFO] [stderr]   Downloaded thiserror v1.0.20
[INFO] [stderr]   Downloaded proc-macro2 v1.0.18
[INFO] [stderr]   Downloaded constant_time_eq v0.1.5
[INFO] [stderr]   Downloaded serde_derive v1.0.112
[INFO] [stderr]   Downloaded memoffset v0.5.4
[INFO] [stderr]   Downloaded arrayref v0.3.6
[INFO] [stderr]   Downloaded crypto-mac v0.8.0
[INFO] [stderr]   Downloaded subtle v2.2.3
[INFO] [stderr]   Downloaded crossbeam-utils v0.7.2
[INFO] [stderr]   Downloaded arrayvec v0.5.1
[INFO] [stderr]   Downloaded cc v1.0.58
[INFO] [stderr]   Downloaded crossbeam-epoch v0.8.2
[INFO] [stderr]   Downloaded serde v1.0.112
[INFO] [stderr]   Downloaded typenum v1.12.0
[INFO] [stderr]   Downloaded blake3 v0.3.5
[INFO] [stderr]   Downloaded rayon v1.3.1
[INFO] [stderr]   Downloaded syn v1.0.31
[INFO] [stderr]   Downloaded proptest v0.10.0
[INFO] [stderr]   Downloaded generic-array v0.14.2
[INFO] [stderr]   Downloaded num-traits v0.2.12
[INFO] [stderr]   Downloaded tempfile v3.1.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.18
[INFO] [stderr]   Downloaded bit-vec v0.6.2
[INFO] [stderr]   Downloaded rand_xorshift v0.2.0
[INFO] [stderr]   Downloaded getrandom v0.1.14
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.3
[INFO] [stderr]   Downloaded autocfg v1.0.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.14
[INFO] [stderr]   Downloaded rayon-core v1.7.1
[INFO] [stderr]   Downloaded bit-set v0.5.2
[INFO] [stderr]   Downloaded wait-timeout v0.2.0
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.8
[INFO] [stderr]   Downloaded either v1.5.3
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.3
[INFO] [stderr]   Downloaded num_cpus v1.13.0
[INFO] [stderr]   Downloaded libc v0.2.71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbbd8e87548f122f78e34a37f44bd9ca0d2e25d810da072fcd62248102333e22
[INFO] running `Command { std: "docker" "start" "-a" "dbbd8e87548f122f78e34a37f44bd9ca0d2e25d810da072fcd62248102333e22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbbd8e87548f122f78e34a37f44bd9ca0d2e25d810da072fcd62248102333e22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbbd8e87548f122f78e34a37f44bd9ca0d2e25d810da072fcd62248102333e22", kill_on_drop: false }`
[INFO] [stdout] dbbd8e87548f122f78e34a37f44bd9ca0d2e25d810da072fcd62248102333e22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fadd1d795f43468f30e986986c4599cf2dcf16196ec9dbb41e33a100a737b083
[INFO] running `Command { std: "docker" "start" "-a" "fadd1d795f43468f30e986986c4599cf2dcf16196ec9dbb41e33a100a737b083", 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 version_check v0.9.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling generic-array v0.14.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling subtle v2.2.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling blake3 v0.3.5
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling digest v0.9.0
[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 15.78s
[INFO] running `Command { std: "docker" "inspect" "fadd1d795f43468f30e986986c4599cf2dcf16196ec9dbb41e33a100a737b083", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fadd1d795f43468f30e986986c4599cf2dcf16196ec9dbb41e33a100a737b083", kill_on_drop: false }`
[INFO] [stdout] fadd1d795f43468f30e986986c4599cf2dcf16196ec9dbb41e33a100a737b083
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fe51a1b5001722bbc49f7b43892dd2132bcb1df2a0c2312d5b389f210dab62c
[INFO] running `Command { std: "docker" "start" "-a" "4fe51a1b5001722bbc49f7b43892dd2132bcb1df2a0c2312d5b389f210dab62c", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[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 13.71s
[INFO] running `Command { std: "docker" "inspect" "4fe51a1b5001722bbc49f7b43892dd2132bcb1df2a0c2312d5b389f210dab62c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fe51a1b5001722bbc49f7b43892dd2132bcb1df2a0c2312d5b389f210dab62c", kill_on_drop: false }`
[INFO] [stdout] 4fe51a1b5001722bbc49f7b43892dd2132bcb1df2a0c2312d5b389f210dab62c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3673d76570646eeaa6caf98e5825878f7084dde0d94b516297cb0fa2fbd3bc23
[INFO] running `Command { std: "docker" "start" "-a" "3673d76570646eeaa6caf98e5825878f7084dde0d94b516297cb0fa2fbd3bc23", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[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 unittests src/lib.rs (/opt/rustwide/target/debug/deps/p0w-481d5ac721755883)
[INFO] [stderr]      Running tests/prop.rs (/opt/rustwide/target/debug/deps/prop-b7506e1b6e6b4d65)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test prop_works ... ok
[INFO] [stdout] test prop_par_works ... ok
[INFO] [stderr]      Running tests/works.rs (/opt/rustwide/target/debug/deps/works-c9770ffd553f7107)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.84s
[INFO] [stdout] 
[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 3.38s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests p0w
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/lib.rs - Proofs::verify (line 527) ... ok
[INFO] [stdout] test src/lib.rs - Proofs::new (line 394) ... ok
[INFO] [stdout] test src/lib.rs - Proofs::description (line 429) ... ok
[INFO] [stdout] test src/lib.rs - Proofs::as_nodes (line 482) ... ok
[INFO] [stdout] test src/lib.rs - Proofs::proofs (line 463) ... ok
[INFO] [stdout] test src/lib.rs - Proofs::into_nodes (line 502) ... ok
[INFO] [stdout] test src/lib.rs - Proofs::levels (line 446) ... ok
[INFO] [stdout] test src/lib.rs - Tree::as_nodes (line 258) ... ok
[INFO] [stdout] test src/lib.rs - Tree::gen_proofs (line 286) ... ok
[INFO] [stdout] test src/lib.rs - Tree::description (line 229) ... ok
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] test src/lib.rs - Tree::levels (line 244) ... ok
[INFO] [stdout] test src/lib.rs - Tree::new (line 109) ... ok
[INFO] [stdout] test src/lib.rs - Tree::gen_proofs_with (line 317) ... ok
[INFO] [stdout] test src/lib.rs - Tree::par_new (line 159) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.88s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3673d76570646eeaa6caf98e5825878f7084dde0d94b516297cb0fa2fbd3bc23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3673d76570646eeaa6caf98e5825878f7084dde0d94b516297cb0fa2fbd3bc23", kill_on_drop: false }`
[INFO] [stdout] 3673d76570646eeaa6caf98e5825878f7084dde0d94b516297cb0fa2fbd3bc23