[INFO] fetching crate sp4r53 0.1.4...
[INFO] testing sp4r53-0.1.4 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate sp4r53 0.1.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate sp4r53 0.1.4 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sp4r53 0.1.4
[INFO] finished tweaking crates.io crate sp4r53 0.1.4
[INFO] tweaked toml for crates.io crate sp4r53 0.1.4 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ethnum v1.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cf7593da9511e154f35c578c43c3c7715a7a69d3644d264cc4f22b3dd0228eb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8cf7593da9511e154f35c578c43c3c7715a7a69d3644d264cc4f22b3dd0228eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cf7593da9511e154f35c578c43c3c7715a7a69d3644d264cc4f22b3dd0228eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cf7593da9511e154f35c578c43c3c7715a7a69d3644d264cc4f22b3dd0228eb", kill_on_drop: false }`
[INFO] [stdout] 8cf7593da9511e154f35c578c43c3c7715a7a69d3644d264cc4f22b3dd0228eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a39a5314e893f055ad439c5e763f5d5e55fab9595fbc2eaea52ac5cd20cbaacf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a39a5314e893f055ad439c5e763f5d5e55fab9595fbc2eaea52ac5cd20cbaacf", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling ethnum v1.1.1
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling sp4r53 v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.44s
[INFO] running `Command { std: "docker" "inspect" "a39a5314e893f055ad439c5e763f5d5e55fab9595fbc2eaea52ac5cd20cbaacf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a39a5314e893f055ad439c5e763f5d5e55fab9595fbc2eaea52ac5cd20cbaacf", kill_on_drop: false }`
[INFO] [stdout] a39a5314e893f055ad439c5e763f5d5e55fab9595fbc2eaea52ac5cd20cbaacf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 335ef2fe5b888b3126147a0ee2f70c1a35c6cfdf917b2d3d483ce2937f712c96
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "335ef2fe5b888b3126147a0ee2f70c1a35c6cfdf917b2d3d483ce2937f712c96", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling proptest v0.10.1
[INFO] [stderr]    Compiling sp4r53 v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/works.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut hashes = [
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.26s
[INFO] running `Command { std: "docker" "inspect" "335ef2fe5b888b3126147a0ee2f70c1a35c6cfdf917b2d3d483ce2937f712c96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "335ef2fe5b888b3126147a0ee2f70c1a35c6cfdf917b2d3d483ce2937f712c96", kill_on_drop: false }`
[INFO] [stdout] 335ef2fe5b888b3126147a0ee2f70c1a35c6cfdf917b2d3d483ce2937f712c96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7b44b761ebb29c3092c75d59cfddd026c67d9f2d01372a03f0d0535fb3f900ed
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7b44b761ebb29c3092c75d59cfddd026c67d9f2d01372a03f0d0535fb3f900ed", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/works.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let mut hashes = [
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sp4r53` (test "works") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sp4r53-ac7d49750e0cd58d)
[INFO] [stderr]      Running tests/props.rs (/opt/rustwide/target/debug/deps/props-eb5be1c88c484746)
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/works.rs (/opt/rustwide/target/debug/deps/works-1f8327a013f9d14f)
[INFO] [stdout] test prop_works ... ok
[INFO] [stderr]    Doc-tests sp4r53
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.77s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] test src/lib.rs - Proof::verify (line 721) ... ok
[INFO] [stdout] test src/lib.rs - Proof::size (line 577) ... ok
[INFO] [stdout] test src/lib.rs - Proof::new (line 487) ... ok
[INFO] [stdout] test src/lib.rs - Proof::from_bytes (line 538) ... ok
[INFO] [stdout] test src/lib.rs - Tree::remove (line 394) ... ok
[INFO] [stdout] test src/lib.rs - Tree::is_valid (line 269) ... ok
[INFO] [stdout] test src/lib.rs - Tree::insert (line 353) ... ok
[INFO] [stdout] test src/lib.rs - Tree::leaves (line 237) ... ok
[INFO] [stdout] test src/lib.rs - Proof::hashes (line 675) ... ok
[INFO] [stdout] test src/lib.rs - Tree::flush (line 436) ... ok
[INFO] [stdout] test src/lib.rs - Tree::root (line 200) ... ok
[INFO] [stdout] test src/lib.rs - Proof::as_bytes (line 642) ... ok
[INFO] [stdout] test src/lib.rs - Tree::proove (line 315) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.14s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7b44b761ebb29c3092c75d59cfddd026c67d9f2d01372a03f0d0535fb3f900ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b44b761ebb29c3092c75d59cfddd026c67d9f2d01372a03f0d0535fb3f900ed", kill_on_drop: false }`
[INFO] [stdout] 7b44b761ebb29c3092c75d59cfddd026c67d9f2d01372a03f0d0535fb3f900ed