[INFO] fetching crate sparse-bitfield 0.11.0...
[INFO] testing sparse-bitfield-0.11.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate sparse-bitfield 0.11.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate sparse-bitfield 0.11.0 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 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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 memory-pager v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 92276ccdb336f608c086d2b105b1418a3812a8d06e07681e4c2e87a22712c13f
[INFO] running `Command { std: "docker" "start" "-a" "92276ccdb336f608c086d2b105b1418a3812a8d06e07681e4c2e87a22712c13f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92276ccdb336f608c086d2b105b1418a3812a8d06e07681e4c2e87a22712c13f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92276ccdb336f608c086d2b105b1418a3812a8d06e07681e4c2e87a22712c13f", kill_on_drop: false }`
[INFO] [stdout] 92276ccdb336f608c086d2b105b1418a3812a8d06e07681e4c2e87a22712c13f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 75d0673e96ff5a16ebe70309d9701a0000e7457e43ef3704154b507c301e462d
[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" "75d0673e96ff5a16ebe70309d9701a0000e7457e43ef3704154b507c301e462d", 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 0.99s
[INFO] running `Command { std: "docker" "inspect" "75d0673e96ff5a16ebe70309d9701a0000e7457e43ef3704154b507c301e462d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75d0673e96ff5a16ebe70309d9701a0000e7457e43ef3704154b507c301e462d", kill_on_drop: false }`
[INFO] [stdout] 75d0673e96ff5a16ebe70309d9701a0000e7457e43ef3704154b507c301e462d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 41e4cad37c2cd0c715fb429769661bb48996c9899e3ab9a29cc0424769db1a29
[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" "41e4cad37c2cd0c715fb429769661bb48996c9899e3ab9a29cc0424769db1a29", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling proptest v0.9.6
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling sparse-bitfield v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 30.90s
[INFO] running `Command { std: "docker" "inspect" "41e4cad37c2cd0c715fb429769661bb48996c9899e3ab9a29cc0424769db1a29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41e4cad37c2cd0c715fb429769661bb48996c9899e3ab9a29cc0424769db1a29", kill_on_drop: false }`
[INFO] [stdout] 41e4cad37c2cd0c715fb429769661bb48996c9899e3ab9a29cc0424769db1a29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] d7795ac27582517a02439336b805661722c81e3ba3776e9c0c4bea9cb335edca
[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" "d7795ac27582517a02439336b805661722c81e3ba3776e9c0c4bea9cb335edca", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sparse_bitfield-f42c24b6247b15fa
[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 /opt/rustwide/target/debug/deps/model-3d395fb935fb9e67
[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 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/regression-f198b17cc49a02a7
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test regression_01 ... ok
[INFO] [stdout] test regression_02 ... 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] [stderr]      Running /opt/rustwide/target/debug/deps/test-1b906698d1c7dc2e
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test basic_set_get ... ok
[INFO] [stdout] test can_convert_to_bytes_buffer ... ok
[INFO] [stdout] test exposes_changed_unchanged_methods ... ok
[INFO] [stdout] test can_get_bits ... 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_iterate ... ok
[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 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sparse-bitfield
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - Bitfield::byte_len (line 154) ... ok
[INFO] [stdout] test src/lib.rs - Bitfield::len (line 134) ... ok
[INFO] [stdout] test src/lib.rs - Bitfield::page_len (line 174) ... ok
[INFO] [stdout] test src/lib.rs - Bitfield::is_empty (line 196) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.66s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d7795ac27582517a02439336b805661722c81e3ba3776e9c0c4bea9cb335edca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7795ac27582517a02439336b805661722c81e3ba3776e9c0c4bea9cb335edca", kill_on_drop: false }`
[INFO] [stdout] d7795ac27582517a02439336b805661722c81e3ba3776e9c0c4bea9cb335edca