[INFO] fetching crate num-format 0.4.0...
[INFO] testing num-format-0.4.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate num-format 0.4.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate num-format 0.4.0 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 num-format 0.4.0
[INFO] finished tweaking crates.io crate num-format 0.4.0
[INFO] tweaked toml for crates.io crate num-format 0.4.0 written to /workspace/builds/worker-3/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-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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17300f92a3f38f9b83bafda809d5a62f3fb82d15a18f023a626ae00de02825d0
[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" "17300f92a3f38f9b83bafda809d5a62f3fb82d15a18f023a626ae00de02825d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17300f92a3f38f9b83bafda809d5a62f3fb82d15a18f023a626ae00de02825d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17300f92a3f38f9b83bafda809d5a62f3fb82d15a18f023a626ae00de02825d0", kill_on_drop: false }`
[INFO] [stdout] 17300f92a3f38f9b83bafda809d5a62f3fb82d15a18f023a626ae00de02825d0
[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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72038bceeec9357a9fd6f3056baccdd86fe49f91a05bd5536f1ba167e0ed3569
[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" "72038bceeec9357a9fd6f3056baccdd86fe49f91a05bd5536f1ba167e0ed3569", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling num-format v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/buffer.rs:44:29
[INFO] [stdout]     |
[INFO] [stdout] 44  |             inner: unsafe { mem::uninitialized() },
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:228:5
[INFO] [stdout]     |
[INFO] [stdout] 228 |     deprecated,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.86s
[INFO] running `Command { std: "docker" "inspect" "72038bceeec9357a9fd6f3056baccdd86fe49f91a05bd5536f1ba167e0ed3569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72038bceeec9357a9fd6f3056baccdd86fe49f91a05bd5536f1ba167e0ed3569", kill_on_drop: false }`
[INFO] [stdout] 72038bceeec9357a9fd6f3056baccdd86fe49f91a05bd5536f1ba167e0ed3569
[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" "+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] 880f7122c7a5a36c6b476cca54e9a094dbb4ad315dd8c014d93bf825d9b23cb2
[INFO] running `Command { std: "docker" "start" "-a" "880f7122c7a5a36c6b476cca54e9a094dbb4ad315dd8c014d93bf825d9b23cb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/buffer.rs:44:29
[INFO] [stdout]     |
[INFO] [stdout] 44  |             inner: unsafe { mem::uninitialized() },
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:228:5
[INFO] [stdout]     |
[INFO] [stdout] 228 |     deprecated,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling num-format v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/buffer.rs:44:29
[INFO] [stdout]     |
[INFO] [stdout] 44  |             inner: unsafe { mem::uninitialized() },
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:228:5
[INFO] [stdout]     |
[INFO] [stdout] 228 |     deprecated,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.73s
[INFO] running `Command { std: "docker" "inspect" "880f7122c7a5a36c6b476cca54e9a094dbb4ad315dd8c014d93bf825d9b23cb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "880f7122c7a5a36c6b476cca54e9a094dbb4ad315dd8c014d93bf825d9b23cb2", kill_on_drop: false }`
[INFO] [stdout] 880f7122c7a5a36c6b476cca54e9a094dbb4ad315dd8c014d93bf825d9b23cb2
[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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] effec53d62202da34e2b801df97c396aa7e7951c467da912748cac40a350511c
[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" "effec53d62202da34e2b801df97c396aa7e7951c467da912748cac40a350511c", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/buffer.rs:44:29
[INFO] [stderr]     |
[INFO] [stderr] 44  |             inner: unsafe { mem::uninitialized() },
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:228:5
[INFO] [stderr]     |
[INFO] [stderr] 228 |     deprecated,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/buffer.rs:44:29
[INFO] [stderr]     |
[INFO] [stderr] 44  |             inner: unsafe { mem::uninitialized() },
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:228:5
[INFO] [stderr]     |
[INFO] [stderr] 228 |     deprecated,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/num_format-d64069cbc130392b
[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] [stderr]      Running /opt/rustwide/target/debug/deps/test_errors-53dc04f08f17d091
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_errors_capacity ... ok
[INFO] [stdout] test test_errors_parse_locale ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_no_bytes_written-887789fd10a223fa
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_no_bytes_written ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_non_zero-fdbec13cc9c49bd9
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_non_zero_u16 ... ok
[INFO] [stdout] test test_non_zero_u128 ... ok
[INFO] [stdout] test test_non_zero_u64 ... ok
[INFO] [stdout] test test_non_zero_u8 ... ok
[INFO] [stdout] test test_non_zero_usize ... ok
[INFO] [stdout] test test_non_zero_u32 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_num_bigint-18745122c1011ea1
[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] [stderr]      Running /opt/rustwide/target/debug/deps/test_serialization-ebfcf5253bdd9bb0
[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] [stderr]      Running /opt/rustwide/target/debug/deps/test_signed-c99336eeb4d3b329
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_i32 ... ok
[INFO] [stdout] test test_i16 ... ok
[INFO] [stdout] test test_i128 ... ok
[INFO] [stdout] test test_i64 ... ok
[INFO] [stdout] test test_isize ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_system_locale_unix-7ff3b044a2bc56e5
[INFO] [stdout] test test_i8 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_system_locale_windows-770e9c20e3190e49
[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] [stderr]      Running /opt/rustwide/target/debug/deps/test_unsigned-d899df4a07a6d2ca
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_u128 ... ok
[INFO] [stdout] test test_u64 ... ok
[INFO] [stdout] test test_u8 ... ok
[INFO] [stdout] test test_usize ... ok
[INFO] [stderr]    Doc-tests num-format
[INFO] [stdout] test test_u16 ... ok
[INFO] [stdout] test test_u32 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - (line 132) ... ok
[INFO] [stdout] test src/lib.rs - (line 160) ... ok
[INFO] [stdout] test src/lib.rs - (line 102) ... ok
[INFO] [stdout] test src/custom_format.rs - custom_format::CustomFormat (line 10) ... ok
[INFO] [stdout] test src/buffer.rs - buffer::Buffer (line 15) ... ok
[INFO] [stdout] test src/lib.rs - (line 45) ... ok
[INFO] [stdout] test src/locale.rs - locale::Locale (line 551) ... ok
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] test src/lib.rs - (line 74) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "effec53d62202da34e2b801df97c396aa7e7951c467da912748cac40a350511c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "effec53d62202da34e2b801df97c396aa7e7951c467da912748cac40a350511c", kill_on_drop: false }`
[INFO] [stdout] effec53d62202da34e2b801df97c396aa7e7951c467da912748cac40a350511c