[INFO] fetching crate num256 0.3.1...
[INFO] testing num256-0.3.1 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate num256 0.3.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate num256 0.3.1 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate num256 0.3.1
[INFO] finished tweaking crates.io crate num256 0.3.1
[INFO] tweaked toml for crates.io crate num256 0.3.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] a36ebcafa487eed23e68ed261dd20201f5ba326c305bc7e4648e2a92d399f4b2
[INFO] running `Command { std: "docker" "start" "-a" "a36ebcafa487eed23e68ed261dd20201f5ba326c305bc7e4648e2a92d399f4b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a36ebcafa487eed23e68ed261dd20201f5ba326c305bc7e4648e2a92d399f4b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a36ebcafa487eed23e68ed261dd20201f5ba326c305bc7e4648e2a92d399f4b2", kill_on_drop: false }`
[INFO] [stdout] a36ebcafa487eed23e68ed261dd20201f5ba326c305bc7e4648e2a92d399f4b2
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 844ccb27c3301e4846cc03cc07ba63d516c78887f65d32b4dc6934db1f065654
[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" "844ccb27c3301e4846cc03cc07ba63d516c78887f65d32b4dc6934db1f065654", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling num256 v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.50s
[INFO] running `Command { std: "docker" "inspect" "844ccb27c3301e4846cc03cc07ba63d516c78887f65d32b4dc6934db1f065654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "844ccb27c3301e4846cc03cc07ba63d516c78887f65d32b4dc6934db1f065654", kill_on_drop: false }`
[INFO] [stdout] 844ccb27c3301e4846cc03cc07ba63d516c78887f65d32b4dc6934db1f065654
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b950f717710f1abcf884d12059948b6154c786bff47456aeb9d5b421580841b2
[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" "b950f717710f1abcf884d12059948b6154c786bff47456aeb9d5b421580841b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling num256 v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.00s
[INFO] running `Command { std: "docker" "inspect" "b950f717710f1abcf884d12059948b6154c786bff47456aeb9d5b421580841b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b950f717710f1abcf884d12059948b6154c786bff47456aeb9d5b421580841b2", kill_on_drop: false }`
[INFO] [stdout] b950f717710f1abcf884d12059948b6154c786bff47456aeb9d5b421580841b2
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a6382cb210b37d9ed6e18a0c1b4fe3484784c9024e2981047426490d2cd30f34
[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" "a6382cb210b37d9ed6e18a0c1b4fe3484784c9024e2981047426490d2cd30f34", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 5 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/num256-07851b9fd10ee47b)
[INFO] [stdout] test uint256::to_hex_with_padding ... ok
[INFO] [stdout] test uint256::create_from_32_bytes ... ok
[INFO] [stderr]      Running tests/num256_test.rs (/opt/rustwide/target/debug/deps/num256_test-ffb539572720bcfb)
[INFO] [stdout] test uint256::into_array ... ok
[INFO] [stdout] test uint256::check_display ... ok
[INFO] [stdout] test uint256::to_hex ... 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_increment_2_to_the_power_of_256_checked ... ok
[INFO] [stdout] test test_from_uint ... ok
[INFO] [stdout] test test_increment_2_to_the_power_of_255 ... ok
[INFO] [stdout] test test_int_div_no_panic ... ok
[INFO] [stdout] test test_int_from_add_no_panic ... ok
[INFO] [stdout] test test_int_add_no_panic ... ok
[INFO] [stdout] test test_from_int ... ok
[INFO] [stdout] test test_biggest_unsigned_to_int ... ok
[INFO] [stdout] test test_abs ... ok
[INFO] [stdout] test serialize_from_hex ... ok
[INFO] [stdout] test serialize ... ok
[INFO] [stdout] test test_int_from_div_no_panic ... ok
[INFO] [stdout] test test_int256 ... ok
[INFO] [stdout] test test_int_from_sub_no_panic ... ok
[INFO] [stdout] test test_int_from_mul_no_panic ... ok
[INFO] [stdout] test test_int_sub_no_panic ... ok
[INFO] [stdout] test test_int_mul_no_panic ... ok
[INFO] [stdout] test test_uint256 ... ok
[INFO] [stdout] test test_negate ... ok
[INFO] [stdout] test test_int_to_uint ... ok
[INFO] [stdout] test test_uint_add_no_panic ... ok
[INFO] [stdout] test test_uint_div_no_panic ... ok
[INFO] [stdout] test test_int_assign_sub_panic - should panic ... ok
[INFO] [stdout] test test_uint_from_add_no_panic ... ok
[INFO] [stdout] test test_uint_from_checked_div ... ok
[INFO] [stdout] test test_from_uint_to_int - should panic ... ok
[INFO] [stdout] test test_increment_2_to_the_power_of_256 - should panic ... ok
[INFO] [stdout] test test_int_from_add_panic - should panic ... ok
[INFO] [stdout] test test_int_add_panic - should panic ... ok
[INFO] [stdout] test test_int_div_panic - should panic ... ok
[INFO] [stdout] test test_int_from_sub_panic - should panic ... ok
[INFO] [stdout] test test_uint_from_mul_panic - should panic ... ok
[INFO] [stdout] test test_uint_mul_no_panic ... ok
[INFO] [stdout] test test_uint_mul_panic - should panic ... ok
[INFO] [stdout] test test_uint_from_div_assign_no_panic ... ok
[INFO] [stdout] test test_uint_from_mul_no_panic ... ok
[INFO] [stdout] test test_uint_from_div_no_panic ... ok
[INFO] [stdout] test test_int_from_mul_panic - should panic ... ok
[INFO] [stdout] test test_int_from_div_panic - should panic ... ok
[INFO] [stdout] test test_uint_sub_no_panic ... ok
[INFO] [stdout] test test_uint_underflow ... ok
[INFO] [stdout] test test_int_sub_panic - should panic ... ok
[INFO] [stdout] test test_uint_from_sub_no_panic ... ok
[INFO] [stdout] test test_uint_add_assign_panic - should panic ... ok
[INFO] [stdout] test test_int_mul_panic - should panic ... ok
[INFO] [stdout] test test_uint_div_panic - should panic ... ok
[INFO] [stdout] test test_uint_add_panic - should panic ... ok
[INFO] [stdout] test test_uint_from_add_panic - should panic ... ok
[INFO] [stdout] test test_uint_from_div_panic - should panic ... ok
[INFO] [stdout] test test_uint_from_mul_assign_panic - should panic ... ok
[INFO] [stdout] test test_uint_sub_panic - should panic ... ok
[INFO] [stdout] test test_uint_to_int - should panic ... ok
[INFO] [stdout] test test_uint_to_int_panic - should panic ... ok
[INFO] [stdout] test test_uint_underflow_assign - should panic ... ok
[INFO] [stdout] test test_uint_from_sub_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 55 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests num256
[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" "a6382cb210b37d9ed6e18a0c1b4fe3484784c9024e2981047426490d2cd30f34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6382cb210b37d9ed6e18a0c1b4fe3484784c9024e2981047426490d2cd30f34", kill_on_drop: false }`
[INFO] [stdout] a6382cb210b37d9ed6e18a0c1b4fe3484784c9024e2981047426490d2cd30f34