[INFO] fetching crate sparse-bitfield 0.11.0...
[INFO] testing sparse-bitfield-0.11.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate sparse-bitfield 0.11.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sparse-bitfield 0.11.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sparse-bitfield 0.11.0
[INFO] finished tweaking crates.io crate sparse-bitfield 0.11.0
[INFO] tweaked toml for crates.io crate sparse-bitfield 0.11.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memory-pager v0.9.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6af50210432dd3d434f79da861f996615254891d697836d3033b90ef8dd84563
[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" "6af50210432dd3d434f79da861f996615254891d697836d3033b90ef8dd84563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6af50210432dd3d434f79da861f996615254891d697836d3033b90ef8dd84563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6af50210432dd3d434f79da861f996615254891d697836d3033b90ef8dd84563", kill_on_drop: false }`
[INFO] [stdout] 6af50210432dd3d434f79da861f996615254891d697836d3033b90ef8dd84563
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d50d515132d7400004c47f9c0dd4874099f881f43b4d60e746258e43dfe41c5
[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" "9d50d515132d7400004c47f9c0dd4874099f881f43b4d60e746258e43dfe41c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling memory-pager v0.9.0
[INFO] [stderr]    Compiling sparse-bitfield v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "9d50d515132d7400004c47f9c0dd4874099f881f43b4d60e746258e43dfe41c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d50d515132d7400004c47f9c0dd4874099f881f43b4d60e746258e43dfe41c5", kill_on_drop: false }`
[INFO] [stdout] 9d50d515132d7400004c47f9c0dd4874099f881f43b4d60e746258e43dfe41c5
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0b3191c17464db63f1824951c49dcfbd31278abb117a01dc92bb89e7291e102
[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" "a0b3191c17464db63f1824951c49dcfbd31278abb117a01dc92bb89e7291e102", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling proptest v0.9.6
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling sparse-bitfield v0.11.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/test.rs:14:24
[INFO] [stdout]    |
[INFO] [stdout] 14 |   assert!(bits.get(0), true);
[INFO] [stdout]    |                        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 14 |   assert!(bits.get(0), "{}", true);
[INFO] [stdout]    |                        +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 43.72s
[INFO] running `Command { std: "docker" "inspect" "a0b3191c17464db63f1824951c49dcfbd31278abb117a01dc92bb89e7291e102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0b3191c17464db63f1824951c49dcfbd31278abb117a01dc92bb89e7291e102", kill_on_drop: false }`
[INFO] [stdout] a0b3191c17464db63f1824951c49dcfbd31278abb117a01dc92bb89e7291e102
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7c4b83f0bd88f00b8bf34bb1b7057ebc3efa4341b9f0eb4e836b29e71623e45e
[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" "7c4b83f0bd88f00b8bf34bb1b7057ebc3efa4341b9f0eb4e836b29e71623e45e", kill_on_drop: false }`
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> tests/test.rs:14:24
[INFO] [stderr]    |
[INFO] [stderr] 14 |   assert!(bits.get(0), true);
[INFO] [stderr]    |                        ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]    = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 14 |   assert!(bits.get(0), "{}", true);
[INFO] [stderr]    |                        +++++
[INFO] [stderr] 
[INFO] [stderr] warning: `sparse-bitfield` (test "test") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sparse_bitfield-37dd47dcc0fa838f)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/model.rs (/opt/rustwide/target/debug/deps/model-e99a9b009bf6c742)
[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] [stdout] test doesnt_crash ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/regression.rs (/opt/rustwide/target/debug/deps/regression-34c0e238a70c3f75)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-4ca7ed763a8dbee8)
[INFO] [stdout] test regression_01 - should panic ... ok
[INFO] [stdout] test regression_02 - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test basic_set_get ... ok
[INFO] [stdout] test can_get_bits ... ok
[INFO] [stdout] test can_iterate ... ok
[INFO] [stdout] test exposes_changed_unchanged_methods ... ok
[INFO] [stdout] test from_file ... ok
[INFO] [stdout] test returns_if_flipped ... ok
[INFO] [stdout] test can_create_bitfield ... ok
[INFO] [stdout] test can_convert_to_bytes_buffer ... ok
[INFO] [stderr]    Doc-tests sparse-bitfield
[INFO] [stdout] test can_set_bits ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - Bitfield::page_len (line 174) ... ok
[INFO] [stdout] test src/lib.rs - Bitfield::byte_len (line 154) ... ok
[INFO] [stdout] test src/lib.rs - Bitfield::is_empty (line 196) ... ok
[INFO] [stdout] test src/lib.rs - Bitfield::len (line 134) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.67s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7c4b83f0bd88f00b8bf34bb1b7057ebc3efa4341b9f0eb4e836b29e71623e45e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c4b83f0bd88f00b8bf34bb1b7057ebc3efa4341b9f0eb4e836b29e71623e45e", kill_on_drop: false }`
[INFO] [stdout] 7c4b83f0bd88f00b8bf34bb1b7057ebc3efa4341b9f0eb4e836b29e71623e45e