Dec 14 07:02:48.316 INFO testing PaulGrandperrin/playground against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 07:02:48.316 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 07:02:48.801 INFO [stdout] 199fddc1fe4e87efab0d21c36a5f9c724b9552fcf8af6345c4cea3d9caf47151
Dec 14 07:02:48.803 INFO running `"docker" "start" "-a" "199fddc1fe4e87efab0d21c36a5f9c724b9552fcf8af6345c4cea3d9caf47151"`
Dec 14 07:02:50.044 INFO [stderr] usermod: no changes
Dec 14 07:02:50.279 INFO [stderr]    Compiling bincode v1.0.1
Dec 14 07:02:51.607 INFO [stderr]    Compiling playground v0.1.0 (/source)
Dec 14 07:02:53.244 INFO [stderr] warning: unused import: `itertools::Itertools`
Dec 14 07:02:53.244 INFO [stderr]  --> src/algorithm.rs:4:5
Dec 14 07:02:53.244 INFO [stderr]   |
Dec 14 07:02:53.244 INFO [stderr] 4 | use itertools::Itertools;
Dec 14 07:02:53.244 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 14 07:02:53.244 INFO [stderr]   |
Dec 14 07:02:53.244 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 07:02:53.244 INFO [stderr] 
Dec 14 07:02:53.244 INFO [stderr] warning: unused import: `crate::common::ConstObjType`
Dec 14 07:02:53.244 INFO [stderr]  --> src/context.rs:2:5
Dec 14 07:02:53.244 INFO [stderr]   |
Dec 14 07:02:53.244 INFO [stderr] 2 | use crate::common::ConstObjType;
Dec 14 07:02:53.244 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:02:53.244 INFO [stderr] 
Dec 14 07:02:53.244 INFO [stderr] warning: unused import: `crate::non_volatile::object::object_type::ObjectType`
Dec 14 07:02:53.244 INFO [stderr]  --> src/context.rs:5:5
Dec 14 07:02:53.244 INFO [stderr]   |
Dec 14 07:02:53.244 INFO [stderr] 5 | use crate::non_volatile::object::object_type::ObjectType;
Dec 14 07:02:53.244 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:02:53.244 INFO [stderr] 
Dec 14 07:02:53.244 INFO [stderr] warning: unused imports: `LeafType`, `Node`
Dec 14 07:02:53.244 INFO [stderr]  --> src/context.rs:6:51
Dec 14 07:02:53.244 INFO [stderr]   |
Dec 14 07:02:53.244 INFO [stderr] 6 | use crate::non_volatile::object::tree::{LeafNode, LeafType, Node, NodeEntry};
Dec 14 07:02:53.244 INFO [stderr]   |                                                   ^^^^^^^^  ^^^^
Dec 14 07:02:53.244 INFO [stderr] 
Dec 14 07:02:53.244 INFO [stderr] warning: unused import: `std::rc::Rc`
Dec 14 07:02:53.244 INFO [stderr]   --> src/context.rs:10:5
Dec 14 07:02:53.244 INFO [stderr]    |
Dec 14 07:02:53.244 INFO [stderr] 10 | use std::rc::Rc;
Dec 14 07:02:53.244 INFO [stderr]    |     ^^^^^^^^^^^
Dec 14 07:02:53.244 INFO [stderr] 
Dec 14 07:02:53.244 INFO [stderr] warning: unused import: `std::borrow::Borrow`
Dec 14 07:02:53.244 INFO [stderr]  --> src/non_volatile/object/any_rc_object.rs:6:5
Dec 14 07:02:53.244 INFO [stderr]   |
Dec 14 07:02:53.244 INFO [stderr] 6 | use std::borrow::Borrow;
Dec 14 07:02:53.244 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 14 07:02:53.244 INFO [stderr] 
Dec 14 07:02:53.244 INFO [stderr] warning: unused import: `TryInto`
Dec 14 07:02:53.244 INFO [stderr]  --> src/non_volatile/object/any_rc_object.rs:7:29
Dec 14 07:02:53.244 INFO [stderr]   |
Dec 14 07:02:53.244 INFO [stderr] 7 | use std::convert::{TryFrom, TryInto};
Dec 14 07:02:53.245 INFO [stderr]   |                             ^^^^^^^
Dec 14 07:02:53.245 INFO [stderr] 
Dec 14 07:02:53.245 INFO [stderr] warning: unused imports: `BufMut`, `Buf`
Dec 14 07:02:53.245 INFO [stderr]  --> src/non_volatile/object/object_pointer.rs:6:13
Dec 14 07:02:53.245 INFO [stderr]   |
Dec 14 07:02:53.245 INFO [stderr] 6 | use bytes::{Buf, BufMut};
Dec 14 07:02:53.245 INFO [stderr]   |             ^^^  ^^^^^^
Dec 14 07:02:53.245 INFO [stderr] 
Dec 14 07:02:53.245 INFO [stderr] warning: unused import: `std::io::Cursor`
Dec 14 07:02:53.245 INFO [stderr]  --> src/non_volatile/object/object_pointer.rs:7:5
Dec 14 07:02:53.245 INFO [stderr]   |
Dec 14 07:02:53.245 INFO [stderr] 7 | use std::io::Cursor;
Dec 14 07:02:53.245 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 14 07:02:53.245 INFO [stderr] 
Dec 14 07:02:53.245 INFO [stderr] warning: unused imports: `Deserialize`, `Deserializer`, `SeqAccess`, `Visitor`, `self`
Dec 14 07:02:53.245 INFO [stderr]  --> src/non_volatile/object/tree/internal_node.rs:3:17
Dec 14 07:02:53.245 INFO [stderr]   |
Dec 14 07:02:53.245 INFO [stderr] 3 | use serde::de::{self, Deserialize, Deserializer, SeqAccess, Visitor};
Dec 14 07:02:53.245 INFO [stderr]   |                 ^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^
Dec 14 07:02:53.245 INFO [stderr] 
Dec 14 07:02:53.245 INFO [stderr] warning: unused imports: `SerializeStruct`, `Serialize`, `Serializer`
Dec 14 07:02:53.245 INFO [stderr]  --> src/non_volatile/object/tree/internal_node.rs:4:18
Dec 14 07:02:53.245 INFO [stderr]   |
Dec 14 07:02:53.245 INFO [stderr] 4 | use serde::ser::{Serialize, SerializeStruct, Serializer};
Dec 14 07:02:53.245 INFO [stderr]   |                  ^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^
Dec 14 07:02:53.246 INFO [stderr] 
Dec 14 07:02:53.246 INFO [stderr] warning: unused import: `super::super::object_type::ObjectType`
Dec 14 07:02:53.246 INFO [stderr]  --> src/non_volatile/object/tree/leaf_node.rs:1:5
Dec 14 07:02:53.246 INFO [stderr]   |
Dec 14 07:02:53.246 INFO [stderr] 1 | use super::super::object_type::ObjectType;
Dec 14 07:02:53.246 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:02:53.246 INFO [stderr] 
Dec 14 07:02:53.246 INFO [stderr] warning: unused import: `std::fmt`
Dec 14 07:02:53.246 INFO [stderr]  --> src/non_volatile/object/tree/leaf_node.rs:4:5
Dec 14 07:02:53.246 INFO [stderr]   |
Dec 14 07:02:53.246 INFO [stderr] 4 | use std::fmt;
Dec 14 07:02:53.246 INFO [stderr]   |     ^^^^^^^^
Dec 14 07:02:53.246 INFO [stderr] 
Dec 14 07:02:53.246 INFO [stderr] warning: unused import: `std::mem`
Dec 14 07:02:53.246 INFO [stderr]  --> src/non_volatile/object/tree/leaf_node.rs:5:5
Dec 14 07:02:53.246 INFO [stderr]   |
Dec 14 07:02:53.246 INFO [stderr] 5 | use std::mem;
Dec 14 07:02:53.246 INFO [stderr]   |     ^^^^^^^^
Dec 14 07:02:53.246 INFO [stderr] 
Dec 14 07:02:53.246 INFO [stderr] warning: unused imports: `Deserialize`, `Deserializer`, `SeqAccess`, `Visitor`, `self`
Dec 14 07:02:53.246 INFO [stderr]  --> src/non_volatile/object/tree/leaf_node.rs:7:17
Dec 14 07:02:53.246 INFO [stderr]   |
Dec 14 07:02:53.246 INFO [stderr] 7 | use serde::de::{self, Deserialize, Deserializer, SeqAccess, Visitor};
Dec 14 07:02:53.246 INFO [stderr]   |                 ^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^
Dec 14 07:02:53.246 INFO [stderr] 
Dec 14 07:02:53.246 INFO [stderr] warning: unused imports: `SerializeStruct`, `Serialize`, `Serializer`
Dec 14 07:02:53.246 INFO [stderr]  --> src/non_volatile/object/tree/leaf_node.rs:8:18
Dec 14 07:02:53.246 INFO [stderr]   |
Dec 14 07:02:53.246 INFO [stderr] 8 | use serde::ser::{Serialize, SerializeStruct, Serializer};
Dec 14 07:02:53.246 INFO [stderr]   |                  ^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^
Dec 14 07:02:53.246 INFO [stderr] 
Dec 14 07:02:53.246 INFO [stderr] warning: unused imports: `BufMut`, `Buf`
Dec 14 07:02:53.246 INFO [stderr]  --> src/non_volatile/object/uberblock.rs:4:13
Dec 14 07:02:53.246 INFO [stderr]   |
Dec 14 07:02:53.246 INFO [stderr] 4 | use bytes::{Buf, BufMut};
Dec 14 07:02:53.246 INFO [stderr]   |             ^^^  ^^^^^^
Dec 14 07:02:53.246 INFO [stderr] 
Dec 14 07:02:53.246 INFO [stderr] warning: unused import: `failure::format_err`
Dec 14 07:02:53.246 INFO [stderr]  --> src/non_volatile/object/uberblock.rs:5:5
Dec 14 07:02:53.246 INFO [stderr]   |
Dec 14 07:02:53.246 INFO [stderr] 5 | use failure::format_err;
Dec 14 07:02:53.246 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 14 07:02:53.246 INFO [stderr] 
Dec 14 07:02:53.246 INFO [stderr] warning: unused import: `std::io::Cursor`
Dec 14 07:02:53.246 INFO [stderr]  --> src/non_volatile/object/uberblock.rs:7:5
Dec 14 07:02:53.246 INFO [stderr]   |
Dec 14 07:02:53.246 INFO [stderr] 7 | use std::io::Cursor;
Dec 14 07:02:53.246 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 14 07:02:53.246 INFO [stderr] 
Dec 14 07:02:53.246 INFO [stderr] warning: unused import: `std::mem`
Dec 14 07:02:53.246 INFO [stderr]  --> src/non_volatile/object/uberblock.rs:8:5
Dec 14 07:02:53.246 INFO [stderr]   |
Dec 14 07:02:53.247 INFO [stderr] 8 | use std::mem;
Dec 14 07:02:53.247 INFO [stderr]   |     ^^^^^^^^
Dec 14 07:02:53.247 INFO [stderr] 
Dec 14 07:02:53.574 INFO [stderr] warning: unused import: `crate::common::ConstObjType`
Dec 14 07:02:53.575 INFO [stderr]  --> src/non_volatile/manager.rs:7:5
Dec 14 07:02:53.575 INFO [stderr]   |
Dec 14 07:02:53.575 INFO [stderr] 7 | use crate::common::ConstObjType;
Dec 14 07:02:53.575 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:02:53.575 INFO [stderr] 
Dec 14 07:02:53.647 INFO [stderr] warning: variable does not need to be mutable
Dec 14 07:02:53.647 INFO [stderr]   --> src/context.rs:71:13
Dec 14 07:02:53.647 INFO [stderr]    |
Dec 14 07:02:53.647 INFO [stderr] 71 |         let mut leaf = self
Dec 14 07:02:53.647 INFO [stderr]    |             ----^^^^
Dec 14 07:02:53.647 INFO [stderr]    |             |
Dec 14 07:02:53.647 INFO [stderr]    |             help: remove this `mut`
Dec 14 07:02:53.647 INFO [stderr]    |
Dec 14 07:02:53.647 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 07:02:53.647 INFO [stderr] 
Dec 14 07:02:53.801 INFO [stderr] warning: the feature `dbg_macro` has been stable since 1.32.0 and no longer requires an attribute to enable
Dec 14 07:02:53.801 INFO [stderr]  --> src/main.rs:5:5
Dec 14 07:02:53.801 INFO [stderr]   |
Dec 14 07:02:53.801 INFO [stderr] 5 |     dbg_macro,
Dec 14 07:02:53.801 INFO [stderr]   |     ^^^^^^^^^
Dec 14 07:02:53.801 INFO [stderr]   |
Dec 14 07:02:53.801 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 14 07:02:53.802 INFO [stderr] 
Dec 14 07:02:53.803 INFO [stderr] warning: unused return value of `non_volatile::block_device::file_backend::FileBackend::write` that must be used
Dec 14 07:02:53.803 INFO [stderr]   --> src/non_volatile/manager.rs:50:13
Dec 14 07:02:53.803 INFO [stderr]    |
Dec 14 07:02:53.804 INFO [stderr] 50 |             nv_blk_dev.write(i * Uberblock::RAW_SIZE as u64, &ub_raw);
Dec 14 07:02:53.804 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:02:53.804 INFO [stderr]    |
Dec 14 07:02:53.804 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 07:02:53.804 INFO [stderr] 
Dec 14 07:02:53.805 INFO [stderr] warning: unused return value of `non_volatile::block_device::file_backend::FileBackend::write` that must be used
Dec 14 07:02:53.805 INFO [stderr]    --> src/non_volatile/manager.rs:104:9
Dec 14 07:02:53.805 INFO [stderr]     |
Dec 14 07:02:53.805 INFO [stderr] 104 |         self.nv_blk_dev.write(ub_offset, &ub_raw);
Dec 14 07:02:53.805 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:02:53.805 INFO [stderr] 
Dec 14 07:02:53.806 INFO [stderr] warning: unused return value of `non_volatile::block_device::file_backend::FileBackend::write` that must be used
Dec 14 07:02:53.806 INFO [stderr]    --> src/non_volatile/manager.rs:155:9
Dec 14 07:02:53.806 INFO [stderr]     |
Dec 14 07:02:53.806 INFO [stderr] 155 |         nv_blk_dev.write(offset, &obj_raw);
Dec 14 07:02:53.806 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:02:53.806 INFO [stderr] 
Dec 14 07:02:55.718 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.64s
Dec 14 07:02:55.728 INFO [stderr] su: No module specific data is present
Dec 14 07:02:56.013 INFO running `"docker" "inspect" "199fddc1fe4e87efab0d21c36a5f9c724b9552fcf8af6345c4cea3d9caf47151"`
Dec 14 07:02:56.079 INFO running `"docker" "rm" "-f" "199fddc1fe4e87efab0d21c36a5f9c724b9552fcf8af6345c4cea3d9caf47151"`
Dec 14 07:02:56.140 INFO [stdout] 199fddc1fe4e87efab0d21c36a5f9c724b9552fcf8af6345c4cea3d9caf47151
Dec 14 07:02:56.144 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 07:02:56.283 INFO [stdout] 7b8743ca86b96fbd7eae1a7dbf03d4b27d204eea0f8ca0e0b34093de3196164a
Dec 14 07:02:56.288 INFO running `"docker" "start" "-a" "7b8743ca86b96fbd7eae1a7dbf03d4b27d204eea0f8ca0e0b34093de3196164a"`
Dec 14 07:02:56.876 INFO [stderr] usermod: no changes
Dec 14 07:02:56.967 INFO [stderr]    Compiling playground v0.1.0 (/source)
Dec 14 07:02:58.229 INFO [stderr] warning: unused import: `itertools::Itertools`
Dec 14 07:02:58.230 INFO [stderr]  --> src/algorithm.rs:4:5
Dec 14 07:02:58.230 INFO [stderr]   |
Dec 14 07:02:58.230 INFO [stderr] 4 | use itertools::Itertools;
Dec 14 07:02:58.230 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 14 07:02:58.230 INFO [stderr]   |
Dec 14 07:02:58.230 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 07:02:58.230 INFO [stderr] 
Dec 14 07:02:58.230 INFO [stderr] warning: unused import: `crate::common::ConstObjType`
Dec 14 07:02:58.230 INFO [stderr]  --> src/context.rs:2:5
Dec 14 07:02:58.230 INFO [stderr]   |
Dec 14 07:02:58.230 INFO [stderr] 2 | use crate::common::ConstObjType;
Dec 14 07:02:58.230 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:02:58.230 INFO [stderr] 
Dec 14 07:02:58.230 INFO [stderr] warning: unused import: `crate::non_volatile::object::object_type::ObjectType`
Dec 14 07:02:58.230 INFO [stderr]  --> src/context.rs:5:5
Dec 14 07:02:58.230 INFO [stderr]   |
Dec 14 07:02:58.230 INFO [stderr] 5 | use crate::non_volatile::object::object_type::ObjectType;
Dec 14 07:02:58.230 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:02:58.230 INFO [stderr] 
Dec 14 07:02:58.230 INFO [stderr] warning: unused imports: `LeafType`, `Node`
Dec 14 07:02:58.230 INFO [stderr]  --> src/context.rs:6:51
Dec 14 07:02:58.230 INFO [stderr]   |
Dec 14 07:02:58.230 INFO [stderr] 6 | use crate::non_volatile::object::tree::{LeafNode, LeafType, Node, NodeEntry};
Dec 14 07:02:58.230 INFO [stderr]   |                                                   ^^^^^^^^  ^^^^
Dec 14 07:02:58.230 INFO [stderr] 
Dec 14 07:02:58.230 INFO [stderr] warning: unused import: `std::rc::Rc`
Dec 14 07:02:58.230 INFO [stderr]   --> src/context.rs:10:5
Dec 14 07:02:58.230 INFO [stderr]    |
Dec 14 07:02:58.230 INFO [stderr] 10 | use std::rc::Rc;
Dec 14 07:02:58.230 INFO [stderr]    |     ^^^^^^^^^^^
Dec 14 07:02:58.230 INFO [stderr] 
Dec 14 07:02:58.230 INFO [stderr] warning: unused import: `std::borrow::Borrow`
Dec 14 07:02:58.230 INFO [stderr]  --> src/non_volatile/object/any_rc_object.rs:6:5
Dec 14 07:02:58.230 INFO [stderr]   |
Dec 14 07:02:58.230 INFO [stderr] 6 | use std::borrow::Borrow;
Dec 14 07:02:58.230 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 14 07:02:58.230 INFO [stderr] 
Dec 14 07:02:58.230 INFO [stderr] warning: unused import: `TryInto`
Dec 14 07:02:58.230 INFO [stderr]  --> src/non_volatile/object/any_rc_object.rs:7:29
Dec 14 07:02:58.230 INFO [stderr]   |
Dec 14 07:02:58.230 INFO [stderr] 7 | use std::convert::{TryFrom, TryInto};
Dec 14 07:02:58.230 INFO [stderr]   |                             ^^^^^^^
Dec 14 07:02:58.230 INFO [stderr] 
Dec 14 07:02:58.230 INFO [stderr] warning: unused imports: `BufMut`, `Buf`
Dec 14 07:02:58.230 INFO [stderr]  --> src/non_volatile/object/object_pointer.rs:6:13
Dec 14 07:02:58.230 INFO [stderr]   |
Dec 14 07:02:58.230 INFO [stderr] 6 | use bytes::{Buf, BufMut};
Dec 14 07:02:58.230 INFO [stderr]   |             ^^^  ^^^^^^
Dec 14 07:02:58.230 INFO [stderr] 
Dec 14 07:02:58.230 INFO [stderr] warning: unused import: `std::io::Cursor`
Dec 14 07:02:58.230 INFO [stderr]  --> src/non_volatile/object/object_pointer.rs:7:5
Dec 14 07:02:58.230 INFO [stderr]   |
Dec 14 07:02:58.230 INFO [stderr] 7 | use std::io::Cursor;
Dec 14 07:02:58.230 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 14 07:02:58.230 INFO [stderr] 
Dec 14 07:02:58.230 INFO [stderr] warning: unused imports: `Deserialize`, `Deserializer`, `SeqAccess`, `Visitor`, `self`
Dec 14 07:02:58.230 INFO [stderr]  --> src/non_volatile/object/tree/internal_node.rs:3:17
Dec 14 07:02:58.230 INFO [stderr]   |
Dec 14 07:02:58.230 INFO [stderr] 3 | use serde::de::{self, Deserialize, Deserializer, SeqAccess, Visitor};
Dec 14 07:02:58.230 INFO [stderr]   |                 ^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^
Dec 14 07:02:58.230 INFO [stderr] 
Dec 14 07:02:58.230 INFO [stderr] warning: unused imports: `SerializeStruct`, `Serialize`, `Serializer`
Dec 14 07:02:58.230 INFO [stderr]  --> src/non_volatile/object/tree/internal_node.rs:4:18
Dec 14 07:02:58.230 INFO [stderr]   |
Dec 14 07:02:58.230 INFO [stderr] 4 | use serde::ser::{Serialize, SerializeStruct, Serializer};
Dec 14 07:02:58.230 INFO [stderr]   |                  ^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^
Dec 14 07:02:58.230 INFO [stderr] 
Dec 14 07:02:58.230 INFO [stderr] warning: unused import: `super::super::object_type::ObjectType`
Dec 14 07:02:58.230 INFO [stderr]  --> src/non_volatile/object/tree/leaf_node.rs:1:5
Dec 14 07:02:58.230 INFO [stderr]   |
Dec 14 07:02:58.230 INFO [stderr] 1 | use super::super::object_type::ObjectType;
Dec 14 07:02:58.230 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:02:58.230 INFO [stderr] 
Dec 14 07:02:58.230 INFO [stderr] warning: unused import: `std::fmt`
Dec 14 07:02:58.230 INFO [stderr]  --> src/non_volatile/object/tree/leaf_node.rs:4:5
Dec 14 07:02:58.230 INFO [stderr]   |
Dec 14 07:02:58.230 INFO [stderr] 4 | use std::fmt;
Dec 14 07:02:58.231 INFO [stderr]   |     ^^^^^^^^
Dec 14 07:02:58.231 INFO [stderr] 
Dec 14 07:02:58.231 INFO [stderr] warning: unused import: `std::mem`
Dec 14 07:02:58.231 INFO [stderr]  --> src/non_volatile/object/tree/leaf_node.rs:5:5
Dec 14 07:02:58.231 INFO [stderr]   |
Dec 14 07:02:58.231 INFO [stderr] 5 | use std::mem;
Dec 14 07:02:58.231 INFO [stderr]   |     ^^^^^^^^
Dec 14 07:02:58.231 INFO [stderr] 
Dec 14 07:02:58.231 INFO [stderr] warning: unused imports: `Deserialize`, `Deserializer`, `SeqAccess`, `Visitor`, `self`
Dec 14 07:02:58.231 INFO [stderr]  --> src/non_volatile/object/tree/leaf_node.rs:7:17
Dec 14 07:02:58.231 INFO [stderr]   |
Dec 14 07:02:58.231 INFO [stderr] 7 | use serde::de::{self, Deserialize, Deserializer, SeqAccess, Visitor};
Dec 14 07:02:58.231 INFO [stderr]   |                 ^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^
Dec 14 07:02:58.231 INFO [stderr] 
Dec 14 07:02:58.231 INFO [stderr] warning: unused imports: `SerializeStruct`, `Serialize`, `Serializer`
Dec 14 07:02:58.231 INFO [stderr]  --> src/non_volatile/object/tree/leaf_node.rs:8:18
Dec 14 07:02:58.231 INFO [stderr]   |
Dec 14 07:02:58.231 INFO [stderr] 8 | use serde::ser::{Serialize, SerializeStruct, Serializer};
Dec 14 07:02:58.231 INFO [stderr]   |                  ^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^
Dec 14 07:02:58.231 INFO [stderr] 
Dec 14 07:02:58.243 INFO [stderr] warning: unused imports: `BufMut`, `Buf`
Dec 14 07:02:58.243 INFO [stderr]  --> src/non_volatile/object/uberblock.rs:4:13
Dec 14 07:02:58.243 INFO [stderr]   |
Dec 14 07:02:58.243 INFO [stderr] 4 | use bytes::{Buf, BufMut};
Dec 14 07:02:58.243 INFO [stderr]   |             ^^^  ^^^^^^
Dec 14 07:02:58.243 INFO [stderr] 
Dec 14 07:02:58.243 INFO [stderr] warning: unused import: `failure::format_err`
Dec 14 07:02:58.243 INFO [stderr]  --> src/non_volatile/object/uberblock.rs:5:5
Dec 14 07:02:58.243 INFO [stderr]   |
Dec 14 07:02:58.243 INFO [stderr] 5 | use failure::format_err;
Dec 14 07:02:58.243 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 14 07:02:58.243 INFO [stderr] 
Dec 14 07:02:58.243 INFO [stderr] warning: unused import: `std::io::Cursor`
Dec 14 07:02:58.243 INFO [stderr]  --> src/non_volatile/object/uberblock.rs:7:5
Dec 14 07:02:58.243 INFO [stderr]   |
Dec 14 07:02:58.243 INFO [stderr] 7 | use std::io::Cursor;
Dec 14 07:02:58.243 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 14 07:02:58.243 INFO [stderr] 
Dec 14 07:02:58.243 INFO [stderr] warning: unused import: `std::mem`
Dec 14 07:02:58.243 INFO [stderr]  --> src/non_volatile/object/uberblock.rs:8:5
Dec 14 07:02:58.243 INFO [stderr]   |
Dec 14 07:02:58.243 INFO [stderr] 8 | use std::mem;
Dec 14 07:02:58.243 INFO [stderr]   |     ^^^^^^^^
Dec 14 07:02:58.243 INFO [stderr] 
Dec 14 07:02:58.570 INFO [stderr] warning: unused import: `crate::common::ConstObjType`
Dec 14 07:02:58.571 INFO [stderr]  --> src/non_volatile/manager.rs:7:5
Dec 14 07:02:58.571 INFO [stderr]   |
Dec 14 07:02:58.571 INFO [stderr] 7 | use crate::common::ConstObjType;
Dec 14 07:02:58.571 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:02:58.571 INFO [stderr] 
Dec 14 07:02:58.643 INFO [stderr] warning: variable does not need to be mutable
Dec 14 07:02:58.643 INFO [stderr]   --> src/context.rs:71:13
Dec 14 07:02:58.643 INFO [stderr]    |
Dec 14 07:02:58.643 INFO [stderr] 71 |         let mut leaf = self
Dec 14 07:02:58.643 INFO [stderr]    |             ----^^^^
Dec 14 07:02:58.643 INFO [stderr]    |             |
Dec 14 07:02:58.643 INFO [stderr]    |             help: remove this `mut`
Dec 14 07:02:58.643 INFO [stderr]    |
Dec 14 07:02:58.643 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 07:02:58.643 INFO [stderr] 
Dec 14 07:02:58.805 INFO [stderr] warning: the feature `dbg_macro` has been stable since 1.32.0 and no longer requires an attribute to enable
Dec 14 07:02:58.805 INFO [stderr]  --> src/main.rs:5:5
Dec 14 07:02:58.805 INFO [stderr]   |
Dec 14 07:02:58.805 INFO [stderr] 5 |     dbg_macro,
Dec 14 07:02:58.805 INFO [stderr]   |     ^^^^^^^^^
Dec 14 07:02:58.805 INFO [stderr]   |
Dec 14 07:02:58.805 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 14 07:02:58.805 INFO [stderr] 
Dec 14 07:02:58.811 INFO [stderr] warning: unused return value of `non_volatile::block_device::file_backend::FileBackend::write` that must be used
Dec 14 07:02:58.811 INFO [stderr]   --> src/non_volatile/manager.rs:50:13
Dec 14 07:02:58.811 INFO [stderr]    |
Dec 14 07:02:58.811 INFO [stderr] 50 |             nv_blk_dev.write(i * Uberblock::RAW_SIZE as u64, &ub_raw);
Dec 14 07:02:58.811 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:02:58.811 INFO [stderr]    |
Dec 14 07:02:58.811 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 07:02:58.811 INFO [stderr] 
Dec 14 07:02:58.811 INFO [stderr] warning: unused return value of `non_volatile::block_device::file_backend::FileBackend::write` that must be used
Dec 14 07:02:58.811 INFO [stderr]    --> src/non_volatile/manager.rs:104:9
Dec 14 07:02:58.811 INFO [stderr]     |
Dec 14 07:02:58.811 INFO [stderr] 104 |         self.nv_blk_dev.write(ub_offset, &ub_raw);
Dec 14 07:02:58.811 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:02:58.811 INFO [stderr] 
Dec 14 07:02:58.811 INFO [stderr] warning: unused return value of `non_volatile::block_device::file_backend::FileBackend::write` that must be used
Dec 14 07:02:58.811 INFO [stderr]    --> src/non_volatile/manager.rs:155:9
Dec 14 07:02:58.811 INFO [stderr]     |
Dec 14 07:02:58.811 INFO [stderr] 155 |         nv_blk_dev.write(offset, &obj_raw);
Dec 14 07:02:58.811 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:02:58.811 INFO [stderr] 
Dec 14 07:02:59.135 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.25s
Dec 14 07:02:59.142 INFO [stderr] su: No module specific data is present
Dec 14 07:02:59.605 INFO running `"docker" "inspect" "7b8743ca86b96fbd7eae1a7dbf03d4b27d204eea0f8ca0e0b34093de3196164a"`
Dec 14 07:02:59.899 INFO running `"docker" "rm" "-f" "7b8743ca86b96fbd7eae1a7dbf03d4b27d204eea0f8ca0e0b34093de3196164a"`
Dec 14 07:03:00.192 INFO [stdout] 7b8743ca86b96fbd7eae1a7dbf03d4b27d204eea0f8ca0e0b34093de3196164a
Dec 14 07:03:00.196 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 07:03:00.611 INFO [stdout] c9aee5ba0ed5671063085a49e6b7804cbebb971b9021d8411adb047a36b20850
Dec 14 07:03:00.616 INFO running `"docker" "start" "-a" "c9aee5ba0ed5671063085a49e6b7804cbebb971b9021d8411adb047a36b20850"`
Dec 14 07:03:01.026 INFO [stderr] usermod: no changes
Dec 14 07:03:01.102 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
Dec 14 07:03:01.115 INFO [stderr]      Running /target/debug/deps/playground-90e5338f329610a6
Dec 14 07:03:01.118 INFO [stdout] 
Dec 14 07:03:01.118 INFO [stdout] running 0 tests
Dec 14 07:03:01.118 INFO [stdout] 
Dec 14 07:03:01.118 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 07:03:01.118 INFO [stdout] 
Dec 14 07:03:01.119 INFO [stderr] su: No module specific data is present
Dec 14 07:03:01.406 INFO running `"docker" "inspect" "c9aee5ba0ed5671063085a49e6b7804cbebb971b9021d8411adb047a36b20850"`
Dec 14 07:03:01.477 INFO running `"docker" "rm" "-f" "c9aee5ba0ed5671063085a49e6b7804cbebb971b9021d8411adb047a36b20850"`
Dec 14 07:03:01.588 INFO [stdout] c9aee5ba0ed5671063085a49e6b7804cbebb971b9021d8411adb047a36b20850