[INFO] fetching crate wasmdbg 0.1.0...
[INFO] testing wasmdbg-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate wasmdbg 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate wasmdbg 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasmdbg 0.1.0
[INFO] finished tweaking crates.io crate wasmdbg 0.1.0
[INFO] tweaked toml for crates.io crate wasmdbg 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate wasmdbg 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded shellexpand v1.0.0
[INFO] [stderr]   Downloaded blake2b_simd v0.5.8
[INFO] [stderr]   Downloaded smallstr v0.1.0
[INFO] [stderr]   Downloaded linefeed v0.6.0
[INFO] [stderr]   Downloaded terminfo v0.6.1
[INFO] [stderr]   Downloaded backtrace v0.3.38
[INFO] [stderr]   Downloaded wasmi-validation v0.2.0
[INFO] [stderr]   Downloaded mortal v0.2.1
[INFO] [stderr]   Downloaded parity-wasm v0.40.3
[INFO] [stderr]   Downloaded terminal_size v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4da3669ca663f30e49732b1bf558315a38314de6f8da6eaf482f1cdc36771e8c
[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" "4da3669ca663f30e49732b1bf558315a38314de6f8da6eaf482f1cdc36771e8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4da3669ca663f30e49732b1bf558315a38314de6f8da6eaf482f1cdc36771e8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4da3669ca663f30e49732b1bf558315a38314de6f8da6eaf482f1cdc36771e8c", kill_on_drop: false }`
[INFO] [stdout] 4da3669ca663f30e49732b1bf558315a38314de6f8da6eaf482f1cdc36771e8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c44e95cca1af18599fdee9cb694f6fceaf3f6474c3f4ec8783580b7ed4f6f27
[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" "8c44e95cca1af18599fdee9cb694f6fceaf3f6474c3f4ec8783580b7ed4f6f27", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling parity-wasm v0.40.3
[INFO] [stderr]    Compiling shellexpand v1.0.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling smallstr v0.1.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling terminal_size v0.1.8
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling winconsole v0.10.0
[INFO] [stderr]    Compiling colored v1.8.0
[INFO] [stderr]    Compiling backtrace v0.3.38
[INFO] [stderr]    Compiling wasmi-validation v0.2.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling terminfo v0.6.1
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling mortal v0.2.1
[INFO] [stderr]    Compiling linefeed v0.6.0
[INFO] [stderr]    Compiling wasmdbg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/vm.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         (self.data.len() as u32 / PAGE_SIZE)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.22s
[INFO] running `Command { std: "docker" "inspect" "8c44e95cca1af18599fdee9cb694f6fceaf3f6474c3f4ec8783580b7ed4f6f27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c44e95cca1af18599fdee9cb694f6fceaf3f6474c3f4ec8783580b7ed4f6f27", kill_on_drop: false }`
[INFO] [stdout] 8c44e95cca1af18599fdee9cb694f6fceaf3f6474c3f4ec8783580b7ed4f6f27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f21c982781235accd061d6901e89497bfd4d674294e3c9bb8755d1708105050d
[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" "f21c982781235accd061d6901e89497bfd4d674294e3c9bb8755d1708105050d", kill_on_drop: false }`
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/vm.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         (self.data.len() as u32 / PAGE_SIZE)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling wasmdbg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/vm.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         (self.data.len() as u32 / PAGE_SIZE)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` 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 6.13s
[INFO] running `Command { std: "docker" "inspect" "f21c982781235accd061d6901e89497bfd4d674294e3c9bb8755d1708105050d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f21c982781235accd061d6901e89497bfd4d674294e3c9bb8755d1708105050d", kill_on_drop: false }`
[INFO] [stdout] f21c982781235accd061d6901e89497bfd4d674294e3c9bb8755d1708105050d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 083d76ae5a5c481b5b336659efae6809e50722d1bb864edf261acbe7025209a9
[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" "083d76ae5a5c481b5b336659efae6809e50722d1bb864edf261acbe7025209a9", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/vm.rs:162:9
[INFO] [stderr]     |
[INFO] [stderr] 162 |         (self.data.len() as u32 / PAGE_SIZE)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/vm.rs:162:9
[INFO] [stderr]     |
[INFO] [stderr] 162 |         (self.data.len() as u32 / PAGE_SIZE)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wasmdbg-a3968e9a091dfacb
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test nan_preserving_float::tests::test_neg_nan_f64 ... ok
[INFO] [stdout] test nan_preserving_float::tests::test_neg_nan_f32 ... ok
[INFO] [stdout] test nan_preserving_float::tests::test_ops_f32 ... ok
[INFO] [stdout] test nan_preserving_float::tests::test_ops_f64 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wasmdbg-cfac3b253dd539cf
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests wasmdbg
[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] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/vm.rs:162:9
[INFO] [stderr]     |
[INFO] [stderr] 162 |         (self.data.len() as u32 / PAGE_SIZE)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stdout] running 0 tests
[INFO] [stderr] 
[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] running `Command { std: "docker" "inspect" "083d76ae5a5c481b5b336659efae6809e50722d1bb864edf261acbe7025209a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "083d76ae5a5c481b5b336659efae6809e50722d1bb864edf261acbe7025209a9", kill_on_drop: false }`
[INFO] [stdout] 083d76ae5a5c481b5b336659efae6809e50722d1bb864edf261acbe7025209a9