[INFO] fetching crate num256 0.3.0...
[INFO] testing num256-0.3.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate num256 0.3.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate num256 0.3.0 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 num256 0.3.0
[INFO] finished tweaking crates.io crate num256 0.3.0
[INFO] tweaked toml for crates.io crate num256 0.3.0 written to /workspace/builds/worker-3/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] 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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d615afc4650f319bb0aa8922e89c2befaf578dacb8e701ed3d3cdab914a5b8e0
[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" "d615afc4650f319bb0aa8922e89c2befaf578dacb8e701ed3d3cdab914a5b8e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d615afc4650f319bb0aa8922e89c2befaf578dacb8e701ed3d3cdab914a5b8e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d615afc4650f319bb0aa8922e89c2befaf578dacb8e701ed3d3cdab914a5b8e0", kill_on_drop: false }`
[INFO] [stdout] d615afc4650f319bb0aa8922e89c2befaf578dacb8e701ed3d3cdab914a5b8e0
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b2dc01c7e9fd5a7554f5c70505180f7b5bac19a530c83e625c973f708273436
[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" "6b2dc01c7e9fd5a7554f5c70505180f7b5bac19a530c83e625c973f708273436", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling num256 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.61s
[INFO] running `Command { std: "docker" "inspect" "6b2dc01c7e9fd5a7554f5c70505180f7b5bac19a530c83e625c973f708273436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b2dc01c7e9fd5a7554f5c70505180f7b5bac19a530c83e625c973f708273436", kill_on_drop: false }`
[INFO] [stdout] 6b2dc01c7e9fd5a7554f5c70505180f7b5bac19a530c83e625c973f708273436
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b93c5eee6db3f709dcbd368bf1c65e64ab3f2038f66adb261fc758c0f6412d50
[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" "b93c5eee6db3f709dcbd368bf1c65e64ab3f2038f66adb261fc758c0f6412d50", kill_on_drop: false }`
[INFO] [stderr]    Compiling num256 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `Command { std: "docker" "inspect" "b93c5eee6db3f709dcbd368bf1c65e64ab3f2038f66adb261fc758c0f6412d50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b93c5eee6db3f709dcbd368bf1c65e64ab3f2038f66adb261fc758c0f6412d50", kill_on_drop: false }`
[INFO] [stdout] b93c5eee6db3f709dcbd368bf1c65e64ab3f2038f66adb261fc758c0f6412d50
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", 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] e1f9f7543bea3a7c13c0f2bb33a3f075ad26cde1975fc809bd0ec1a8de8fc1b8
[INFO] running `Command { std: "docker" "start" "-a" "e1f9f7543bea3a7c13c0f2bb33a3f075ad26cde1975fc809bd0ec1a8de8fc1b8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/num256-6cabe59ff21bc4ef
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test uint256::check_display ... ok
[INFO] [stdout] test uint256::into_array ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/num256_test-6259870e8b8aba2d
[INFO] [stdout] test uint256::to_hex ... ok
[INFO] [stdout] test uint256::to_hex_with_padding ... ok
[INFO] [stdout] test uint256::create_from_32_bytes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 55 tests
[INFO] [stdout] test test_from_int ... ok
[INFO] [stdout] test test_increment_2_to_the_power_of_256_checked ... ok
[INFO] [stdout] test test_int256 ... ok
[INFO] [stdout] test test_int_add_no_panic ... ok
[INFO] [stdout] test test_int_div_no_panic ... ok
[INFO] [stdout] test test_abs ... ok
[INFO] [stdout] test test_biggest_unsigned_to_int ... ok
[INFO] [stdout] test test_from_uint ... ok
[INFO] [stdout] test serialize ... ok
[INFO] [stdout] test serialize_from_hex ... ok
[INFO] [stdout] test test_int_from_sub_no_panic ... ok
[INFO] [stdout] test test_increment_2_to_the_power_of_255 ... ok
[INFO] [stdout] test test_int_from_add_no_panic ... ok
[INFO] [stdout] test test_int_from_div_no_panic ... ok
[INFO] [stdout] test test_int_from_mul_no_panic ... ok
[INFO] [stdout] test test_int_mul_no_panic ... ok
[INFO] [stdout] test test_int_to_uint ... ok
[INFO] [stdout] test test_uint256 ... ok
[INFO] [stdout] test test_negate ... ok
[INFO] [stdout] test test_uint_add_no_panic ... ok
[INFO] [stdout] test test_int_sub_no_panic ... ok
[INFO] [stdout] test test_from_uint_to_int ... ok
[INFO] [stdout] test test_uint_div_no_panic ... ok
[INFO] [stdout] test test_int_add_panic ... ok
[INFO] [stdout] test test_int_assign_sub_panic ... ok
[INFO] [stdout] test test_increment_2_to_the_power_of_256 ... ok
[INFO] [stdout] test test_int_from_add_panic ... ok
[INFO] [stdout] test test_int_from_sub_panic ... ok
[INFO] [stdout] test test_uint_from_add_no_panic ... ok
[INFO] [stdout] test test_uint_from_div_no_panic ... ok
[INFO] [stdout] test test_uint_from_add_panic ... ok
[INFO] [stdout] test test_uint_from_mul_no_panic ... ok
[INFO] [stdout] test test_uint_from_div_assign_no_panic ... ok
[INFO] [stdout] test test_uint_from_checked_div ... ok
[INFO] [stdout] test test_int_from_div_panic ... ok
[INFO] [stdout] test test_uint_from_div_panic ... ok
[INFO] [stdout] test test_uint_from_sub_no_panic ... ok
[INFO] [stdout] test test_int_div_panic ... ok
[INFO] [stdout] test test_uint_mul_panic ... ok
[INFO] [stdout] test test_uint_sub_no_panic ... ok
[INFO] [stdout] test test_uint_mul_no_panic ... ok
[INFO] [stdout] test test_int_from_mul_panic ... ok
[INFO] [stdout] test test_uint_underflow ... ok
[INFO] [stdout] test test_int_mul_panic ... ok
[INFO] [stdout] test test_int_sub_panic ... ok
[INFO] [stdout] test test_uint_add_assign_panic ... ok
[INFO] [stdout] test test_uint_div_panic ... ok
[INFO] [stdout] test test_uint_from_mul_panic ... ok
[INFO] [stdout] test test_uint_add_panic ... ok
[INFO] [stdout] test test_uint_from_sub_panic ... ok
[INFO] [stdout] test test_uint_from_mul_assign_panic ... ok
[INFO] [stdout] test test_uint_sub_panic ... ok
[INFO] [stderr]    Doc-tests num256
[INFO] [stdout] test test_uint_underflow_assign ... ok
[INFO] [stdout] test test_uint_to_int ... ok
[INFO] [stdout] test test_uint_to_int_panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 55 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "e1f9f7543bea3a7c13c0f2bb33a3f075ad26cde1975fc809bd0ec1a8de8fc1b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1f9f7543bea3a7c13c0f2bb33a3f075ad26cde1975fc809bd0ec1a8de8fc1b8", kill_on_drop: false }`
[INFO] [stdout] e1f9f7543bea3a7c13c0f2bb33a3f075ad26cde1975fc809bd0ec1a8de8fc1b8