[INFO] fetching crate eosio_core 0.2.1...
[INFO] testing eosio_core-0.2.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate eosio_core 0.2.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate eosio_core 0.2.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate eosio_core 0.2.1
[INFO] finished tweaking crates.io crate eosio_core 0.2.1
[INFO] tweaked toml for crates.io crate eosio_core 0.2.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 224f1c91823b0dab5c83e71e77f8f594bcbb9f86a4bb8c339ca67b1100bc5e17
[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" "224f1c91823b0dab5c83e71e77f8f594bcbb9f86a4bb8c339ca67b1100bc5e17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "224f1c91823b0dab5c83e71e77f8f594bcbb9f86a4bb8c339ca67b1100bc5e17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "224f1c91823b0dab5c83e71e77f8f594bcbb9f86a4bb8c339ca67b1100bc5e17", kill_on_drop: false }`
[INFO] [stdout] 224f1c91823b0dab5c83e71e77f8f594bcbb9f86a4bb8c339ca67b1100bc5e17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.49.0" "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] f7302bd1663eb3940096a41584ea71846f646fb5f6c447d634bf6723420ffa96
[INFO] running `Command { std: "docker" "start" "-a" "f7302bd1663eb3940096a41584ea71846f646fb5f6c447d634bf6723420ffa96", kill_on_drop: false }`
[INFO] [stderr]    Compiling eosio_numstr v0.2.2
[INFO] [stderr]    Compiling eosio_bytes_derive v0.2.1
[INFO] [stderr]    Compiling eosio_numstr_macros_impl v0.2.1
[INFO] [stderr]    Compiling eosio_numstr_macros v0.2.1
[INFO] [stderr]    Compiling eosio_bytes v0.2.1
[INFO] [stderr]    Compiling eosio_core v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.36s
[INFO] running `Command { std: "docker" "inspect" "f7302bd1663eb3940096a41584ea71846f646fb5f6c447d634bf6723420ffa96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7302bd1663eb3940096a41584ea71846f646fb5f6c447d634bf6723420ffa96", kill_on_drop: false }`
[INFO] [stdout] f7302bd1663eb3940096a41584ea71846f646fb5f6c447d634bf6723420ffa96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.49.0" "test" "--frozen" "--no-run" "--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] 568f7e553ecb6ab1ae3aa4aafebadc552f6f656afc9d7f5a14bb4cd13105b991
[INFO] running `Command { std: "docker" "start" "-a" "568f7e553ecb6ab1ae3aa4aafebadc552f6f656afc9d7f5a14bb4cd13105b991", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling eosio_core v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `n`
[INFO] [stdout]    --> src/asset.rs:361:31
[INFO] [stdout]     |
[INFO] [stdout] 361 |     use eosio_numstr_macros::{n, s};
[INFO] [stdout]     |                               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `n`
[INFO] [stdout]    --> src/symbol.rs:139:31
[INFO] [stdout]     |
[INFO] [stdout] 139 |     use eosio_numstr_macros::{n, s};
[INFO] [stdout]     |                               ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.19s
[INFO] running `Command { std: "docker" "inspect" "568f7e553ecb6ab1ae3aa4aafebadc552f6f656afc9d7f5a14bb4cd13105b991", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "568f7e553ecb6ab1ae3aa4aafebadc552f6f656afc9d7f5a14bb4cd13105b991", kill_on_drop: false }`
[INFO] [stdout] 568f7e553ecb6ab1ae3aa4aafebadc552f6f656afc9d7f5a14bb4cd13105b991
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.49.0" "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] ad8526764c95cbc7e1e4d356961b949d889d6a75149f311790fc962b571e13ec
[INFO] running `Command { std: "docker" "start" "-a" "ad8526764c95cbc7e1e4d356961b949d889d6a75149f311790fc962b571e13ec", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `n`
[INFO] [stderr]    --> src/asset.rs:361:31
[INFO] [stderr]     |
[INFO] [stderr] 361 |     use eosio_numstr_macros::{n, s};
[INFO] [stderr]     |                               ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `n`
[INFO] [stderr]    --> src/symbol.rs:139:31
[INFO] [stderr]     |
[INFO] [stderr] 139 |     use eosio_numstr_macros::{n, s};
[INFO] [stderr]     |                               ^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/eosio_core-c7f9b4a42056f864
[INFO] [stdout] 
[INFO] [stdout] running 52 tests
[INFO] [stdout] test asset::tests::from_str_no_symbol2 ... ok
[INFO] [stdout] test asset::tests::from_str_ok_basic ... ok
[INFO] [stdout] test asset::tests::from_str_ok_fraction ... ok
[INFO] [stdout] test asset::tests::from_str_ok_long ... ok
[INFO] [stdout] test asset::tests::from_str_ok_pos_sign ... ok
[INFO] [stdout] test asset::tests::from_str_ok_signed_long ... ok
[INFO] [stdout] test asset::tests::from_str_ok_signed_neg ... ok
[INFO] [stdout] test asset::tests::from_str_ok_signed_zero_precision ... ok
[INFO] [stdout] test asset::tests::from_str_ok_zero ... ok
[INFO] [stdout] test asset::tests::from_str_no_symbol1 ... ok
[INFO] [stdout] test asset::tests::to_string_fraction ... ok
[INFO] [stdout] test asset::tests::from_str_no_space ... ok
[INFO] [stdout] test asset::tests::from_str_multi_spaces ... ok
[INFO] [stdout] test asset::tests::from_str_bad_precision ... ok
[INFO] [stdout] test asset::tests::test_ops ... ok
[INFO] [stdout] test asset::tests::to_string ... ok
[INFO] [stdout] test asset::tests::from_str_very_small_num ... ok
[INFO] [stdout] test asset::tests::from_str_lowercase_symbol ... ok
[INFO] [stdout] test asset::tests::from_str_bad_char2 ... ok
[INFO] [stdout] test asset::tests::from_str_very_small_num_neg ... ok
[INFO] [stdout] test asset::tests::from_str_bad_char1 ... ok
[INFO] [stdout] test asset::tests::from_str_ok_zero_precision ... ok
[INFO] [stdout] test asset::tests::from_str_whitespace_around ... ok
[INFO] [stdout] test extended_asset::tests::to_string ... ok
[INFO] [stdout] test asset::tests::from_str_zero_padded ... ok
[INFO] [stdout] test extended_asset::tests::to_string_decimal ... ok
[INFO] [stdout] test asset::tests::to_string_max_number ... ok
[INFO] [stdout] test extended_asset::tests::to_string_signed ... ok
[INFO] [stdout] test asset::tests::to_string_min_number ... ok
[INFO] [stdout] test asset::tests::to_string_signed ... ok
[INFO] [stdout] test extended_asset::tests::to_string_zero_precision_signed ... ok
[INFO] [stdout] test asset::tests::to_string_very_small_number ... ok
[INFO] [stdout] test extended_symbol::tests::to_string ... ok
[INFO] [stdout] test symbol::tests::code_from_str ... ok
[INFO] [stdout] test asset::tests::to_string_very_small_number_neg ... ok
[INFO] [stdout] test symbol::tests::from_int ... ok
[INFO] [stdout] test asset::tests::to_string_zero_precision ... ok
[INFO] [stdout] test asset::tests::to_string_zero_precision_unsigned ... ok
[INFO] [stdout] test symbol::tests::from_str ... ok
[INFO] [stdout] test extended_asset::tests::to_string_zero_precision ... ok
[INFO] [stdout] test symbol::tests::to_string ... ok
[INFO] [stdout] test extended_symbol::tests::to_string_one_precision ... ok
[INFO] [stdout] test symbol_code::tests::from_str_ok1 ... ok
[INFO] [stdout] test extended_symbol::tests::to_string_zero_precision ... ok
[INFO] [stdout] test symbol_code::tests::to_string ... ok
[INFO] [stdout] test symbol::tests::code_to_string ... ok
[INFO] [stdout] test symbol_code::tests::to_string_nine_precision ... ok
[INFO] [stdout] test symbol::tests::is_valid ... ok
[INFO] [stdout] test symbol_code::tests::from_str_bad_char ... ok
[INFO] [stdout] test symbol_code::tests::from_str_ok2 ... ok
[INFO] [stdout] test symbol_code::tests::from_str_ok3 ... ok
[INFO] [stdout] test symbol_code::tests::to_string_zero_precision ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 52 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests eosio_core
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ad8526764c95cbc7e1e4d356961b949d889d6a75149f311790fc962b571e13ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad8526764c95cbc7e1e4d356961b949d889d6a75149f311790fc962b571e13ec", kill_on_drop: false }`
[INFO] [stdout] ad8526764c95cbc7e1e4d356961b949d889d6a75149f311790fc962b571e13ec