[INFO] fetching crate num256 0.3.1...
[INFO] testing num256-0.3.1 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate num256 0.3.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate num256 0.3.1 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] d3519ec1195af449cbc6ad8e8c6e4e6f304360727d75be5c56c03bba7234a3fe
[INFO] running `Command { std: "docker" "start" "-a" "d3519ec1195af449cbc6ad8e8c6e4e6f304360727d75be5c56c03bba7234a3fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3519ec1195af449cbc6ad8e8c6e4e6f304360727d75be5c56c03bba7234a3fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3519ec1195af449cbc6ad8e8c6e4e6f304360727d75be5c56c03bba7234a3fe", kill_on_drop: false }`
[INFO] [stdout] d3519ec1195af449cbc6ad8e8c6e4e6f304360727d75be5c56c03bba7234a3fe
[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=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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", 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] 28cd4357645f4afbeef7493ae8af5f2ca2d0356c8f2ecad2bd64943344354afd
[INFO] running `Command { std: "docker" "start" "-a" "28cd4357645f4afbeef7493ae8af5f2ca2d0356c8f2ecad2bd64943344354afd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde v1.0.126
[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-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling num256 v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.33s
[INFO] running `Command { std: "docker" "inspect" "28cd4357645f4afbeef7493ae8af5f2ca2d0356c8f2ecad2bd64943344354afd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28cd4357645f4afbeef7493ae8af5f2ca2d0356c8f2ecad2bd64943344354afd", kill_on_drop: false }`
[INFO] [stdout] 28cd4357645f4afbeef7493ae8af5f2ca2d0356c8f2ecad2bd64943344354afd
[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=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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb171955473ff047cc94d00449964ebb2ee7cac45c81d27141f0e8ec31900c3e
[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" "eb171955473ff047cc94d00449964ebb2ee7cac45c81d27141f0e8ec31900c3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling num256 v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.55s
[INFO] running `Command { std: "docker" "inspect" "eb171955473ff047cc94d00449964ebb2ee7cac45c81d27141f0e8ec31900c3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb171955473ff047cc94d00449964ebb2ee7cac45c81d27141f0e8ec31900c3e", kill_on_drop: false }`
[INFO] [stdout] eb171955473ff047cc94d00449964ebb2ee7cac45c81d27141f0e8ec31900c3e
[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=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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6efa85ddb26b9f470bcb9e5fb846b45fc65c5965458d29e5180e8a56c061da31
[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" "6efa85ddb26b9f470bcb9e5fb846b45fc65c5965458d29e5180e8a56c061da31", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/num256-c26bb61e72f1c193)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stderr]      Running tests/num256_test.rs (/opt/rustwide/target/debug/deps/num256_test-08f18f1d1fee20f0)
[INFO] [stdout] test uint256::into_array ... ok
[INFO] [stdout] test uint256::to_hex_with_padding ... ok
[INFO] [stdout] test uint256::create_from_32_bytes ... 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_abs ... ok
[INFO] [stdout] test test_biggest_unsigned_to_int ... ok
[INFO] [stdout] test test_int256 ... ok
[INFO] [stdout] test test_int_add_no_panic ... ok
[INFO] [stdout] test serialize ... ok
[INFO] [stdout] test test_from_uint ... ok
[INFO] [stdout] test test_from_int ... ok
[INFO] [stdout] test test_increment_2_to_the_power_of_255 ... ok
[INFO] [stdout] test test_int_from_div_no_panic ... ok
[INFO] [stdout] test test_int_from_add_no_panic ... ok
[INFO] [stdout] test test_increment_2_to_the_power_of_256_checked ... ok
[INFO] [stdout] test test_int_from_mul_no_panic ... ok
[INFO] [stdout] test test_int_from_sub_no_panic ... ok
[INFO] [stdout] test test_int_mul_no_panic ... ok
[INFO] [stdout] test test_int_to_uint ... ok
[INFO] [stdout] test test_int_sub_no_panic ... ok
[INFO] [stdout] test test_negate ... ok
[INFO] [stdout] test serialize_from_hex ... ok
[INFO] [stdout] test test_uint_add_no_panic ... ok
[INFO] [stdout] test test_uint256 ... ok
[INFO] [stdout] test test_int_div_no_panic ... ok
[INFO] [stdout] test test_uint_from_add_no_panic ... ok
[INFO] [stdout] test test_uint_div_no_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_uint_from_checked_div ... ok
[INFO] [stdout] test test_uint_from_div_assign_no_panic ... ok
[INFO] [stdout] test test_uint_from_div_no_panic ... ok
[INFO] [stdout] test test_uint_from_mul_no_panic ... ok
[INFO] [stdout] test test_int_assign_sub_panic - should panic ... ok
[INFO] [stdout] test test_int_from_div_panic - should panic ... ok
[INFO] [stdout] test test_uint_from_sub_no_panic ... ok
[INFO] [stdout] test test_int_from_mul_panic - should panic ... ok
[INFO] [stdout] test test_int_from_sub_panic - should panic ... ok
[INFO] [stdout] test test_int_mul_panic - should panic ... ok
[INFO] [stdout] test test_int_div_panic - should panic ... ok
[INFO] [stdout] test test_int_sub_panic - should panic ... ok
[INFO] [stdout] test test_from_uint_to_int - should panic ... ok
[INFO] [stdout] test test_uint_mul_no_panic ... ok
[INFO] [stdout] test test_uint_to_int_panic - should panic ... ok
[INFO] [stdout] test test_uint_sub_no_panic ... ok
[INFO] [stdout] test test_increment_2_to_the_power_of_256 - should panic ... ok
[INFO] [stdout] test test_uint_add_assign_panic - should panic ... ok
[INFO] [stdout] test test_uint_div_panic - should panic ... ok
[INFO] [stdout] test test_uint_from_mul_panic - should panic ... ok
[INFO] [stdout] test test_uint_add_panic - should panic ... ok
[INFO] [stdout] test test_uint_underflow ... 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_from_sub_panic - should panic ... ok
[INFO] [stdout] test test_uint_from_add_panic - should panic ... ok
[INFO] [stdout] test test_uint_mul_panic - should panic ... ok
[INFO] [stderr]    Doc-tests num256
[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_underflow_assign - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 55 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[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" "6efa85ddb26b9f470bcb9e5fb846b45fc65c5965458d29e5180e8a56c061da31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6efa85ddb26b9f470bcb9e5fb846b45fc65c5965458d29e5180e8a56c061da31", kill_on_drop: false }`
[INFO] [stdout] 6efa85ddb26b9f470bcb9e5fb846b45fc65c5965458d29e5180e8a56c061da31