[INFO] fetching crate cannyls 0.10.0...
[INFO] checking cannyls-0.10.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate cannyls 0.10.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate cannyls 0.10.0 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cannyls 0.10.0
[INFO] finished tweaking crates.io crate cannyls 0.10.0
[INFO] tweaked toml for crates.io crate cannyls 0.10.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trackable v1.3.0
[INFO] [stderr]   Downloaded atomic_immut v0.1.4
[INFO] [stderr]   Downloaded trackable_derive v1.0.0
[INFO] [stderr]   Downloaded tempdir v0.3.7
[INFO] [stderr]   Downloaded prometrics v0.1.13
[INFO] [stderr]   Downloaded procinfo v0.4.2
[INFO] [stderr]   Downloaded nbchan v0.1.3
[INFO] [stderr]   Downloaded fibers_global v0.1.2
[INFO] [stderr]   Downloaded splay_tree v0.2.10
[INFO] [stderr]   Downloaded trackable v0.2.24
[INFO] [stderr]   Downloaded fibers v0.1.13
[INFO] [stderr]   Downloaded nom v2.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 724148c45b9f4af5a2e8d52a2b379ff833a1f1992ffd64f5aff41c0db3c370a4
[INFO] running `Command { std: "docker" "start" "-a" "724148c45b9f4af5a2e8d52a2b379ff833a1f1992ffd64f5aff41c0db3c370a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "724148c45b9f4af5a2e8d52a2b379ff833a1f1992ffd64f5aff41c0db3c370a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "724148c45b9f4af5a2e8d52a2b379ff833a1f1992ffd64f5aff41c0db3c370a4", kill_on_drop: false }`
[INFO] [stdout] 724148c45b9f4af5a2e8d52a2b379ff833a1f1992ffd64f5aff41c0db3c370a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b68d16958d685b5f36867d9829d8970748ff1a7bed7ac7fa00936c8d47f94f87
[INFO] running `Command { std: "docker" "start" "-a" "b68d16958d685b5f36867d9829d8970748ff1a7bed7ac7fa00936c8d47f94f87", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking nbchan v0.1.3
[INFO] [stderr]     Checking splay_tree v0.2.10
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]     Checking atomic_immut v0.1.4
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking fibers v0.1.13
[INFO] [stderr]     Checking fibers_global v0.1.2
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]     Checking trackable v1.3.0
[INFO] [stderr]     Checking trackable v0.2.24
[INFO] [stderr]     Checking prometrics v0.1.13
[INFO] [stderr]     Checking cannyls v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/block/aligned_bytes.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/nvm/file.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:63:1
[INFO] [stdout]    |
[INFO] [stdout] 63 | extern crate libc;
[INFO] [stdout]    | ------------------ the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/error.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{self, str::FromStr};
[INFO] [stdout]   |           ^^^^ the item `std` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `trackable` is imported redundantly
[INFO] [stdout]   --> src/error.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | use trackable;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 | extern crate trackable;
[INFO] [stdout]    | ----------------------- the item `trackable` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/block/aligned_bytes.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BlockSize` is imported redundantly
[INFO] [stdout]    --> src/block/aligned_bytes.rs:139:9
[INFO] [stdout]     |
[INFO] [stdout] 139 |     use super::super::BlockSize;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 140 |     use super::*;
[INFO] [stdout]     |         -------- the item `BlockSize` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Deadline` is imported redundantly
[INFO] [stdout]    --> src/device/queue.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |     use super::*;
[INFO] [stdout]     |         -------- the item `Deadline` is already imported here
[INFO] [stdout] 105 |     use deadline::Deadline;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Command` is imported redundantly
[INFO] [stdout]    --> src/device/queue.rs:106:27
[INFO] [stdout]     |
[INFO] [stdout] 104 |     use super::*;
[INFO] [stdout]     |         -------- the item `Command` is already imported here
[INFO] [stdout] 105 |     use deadline::Deadline;
[INFO] [stdout] 106 |     use device::command::{Command, GetLump};
[INFO] [stdout]     |                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `LumpData` is imported redundantly
[INFO] [stdout]    --> src/device/mod.rs:265:16
[INFO] [stdout]     |
[INFO] [stdout] 264 |     use super::*;
[INFO] [stdout]     |         -------- the item `LumpData` is already imported here
[INFO] [stdout] 265 |     use lump::{LumpData, LumpId};
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `LumpId` is imported redundantly
[INFO] [stdout]    --> src/device/mod.rs:265:26
[INFO] [stdout]     |
[INFO] [stdout] 264 |     use super::*;
[INFO] [stdout]     |         -------- the item `LumpId` is already imported here
[INFO] [stdout] 265 |     use lump::{LumpData, LumpId};
[INFO] [stdout]     |                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Read` is imported redundantly
[INFO] [stdout]    --> src/nvm/file.rs:438:19
[INFO] [stdout]     |
[INFO] [stdout] 438 |     use std::io::{Read, Write};
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 444 |     use super::*;
[INFO] [stdout]     |         -------- the item `Read` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]    --> src/nvm/file.rs:438:25
[INFO] [stdout]     |
[INFO] [stdout] 438 |     use std::io::{Read, Write};
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 444 |     use super::*;
[INFO] [stdout]     |         -------- the item `Write` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BlockSize` is imported redundantly
[INFO] [stdout]    --> src/nvm/file.rs:445:31
[INFO] [stdout]     |
[INFO] [stdout] 444 |     use super::*;
[INFO] [stdout]     |         -------- the item `BlockSize` is already imported here
[INFO] [stdout] 445 |     use block::{AlignedBytes, BlockSize};
[INFO] [stdout]     |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `StorageHeader` is imported redundantly
[INFO] [stdout]    --> src/nvm/file.rs:446:19
[INFO] [stdout]     |
[INFO] [stdout] 444 |     use super::*;
[INFO] [stdout]     |         -------- the item `StorageHeader` is already imported here
[INFO] [stdout] 445 |     use block::{AlignedBytes, BlockSize};
[INFO] [stdout] 446 |     use storage::{StorageHeader, MAJOR_VERSION, MINOR_VERSION};
[INFO] [stdout]     |                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Read` is imported redundantly
[INFO] [stdout]    --> src/nvm/memory.rs:109:19
[INFO] [stdout]     |
[INFO] [stdout] 109 |     use std::io::{Read, Seek, SeekFrom, Write};
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     use super::*;
[INFO] [stdout]     |         -------- the item `Read` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Seek` is imported redundantly
[INFO] [stdout]    --> src/nvm/memory.rs:109:25
[INFO] [stdout]     |
[INFO] [stdout] 109 |     use std::io::{Read, Seek, SeekFrom, Write};
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     use super::*;
[INFO] [stdout]     |         -------- the item `Seek` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SeekFrom` is imported redundantly
[INFO] [stdout]    --> src/nvm/memory.rs:109:31
[INFO] [stdout]     |
[INFO] [stdout] 109 |     use std::io::{Read, Seek, SeekFrom, Write};
[INFO] [stdout]     |                               ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     use super::*;
[INFO] [stdout]     |         -------- the item `SeekFrom` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]    --> src/nvm/memory.rs:109:41
[INFO] [stdout]     |
[INFO] [stdout] 109 |     use std::io::{Read, Seek, SeekFrom, Write};
[INFO] [stdout]     |                                         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     use super::*;
[INFO] [stdout]     |         -------- the item `Write` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `NonVolatileMemory` is imported redundantly
[INFO] [stdout]    --> src/nvm/memory.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |     use super::*;
[INFO] [stdout]     |         -------- the item `NonVolatileMemory` is already imported here
[INFO] [stdout] 113 |     use nvm::NonVolatileMemory;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Read` is imported redundantly
[INFO] [stdout]    --> src/nvm/shared_memory.rs:161:19
[INFO] [stdout]     |
[INFO] [stdout] 161 |     use std::io::{Read, Seek, SeekFrom, Write};
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 164 |     use super::*;
[INFO] [stdout]     |         -------- the item `Read` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Seek` is imported redundantly
[INFO] [stdout]    --> src/nvm/shared_memory.rs:161:25
[INFO] [stdout]     |
[INFO] [stdout] 161 |     use std::io::{Read, Seek, SeekFrom, Write};
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 164 |     use super::*;
[INFO] [stdout]     |         -------- the item `Seek` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SeekFrom` is imported redundantly
[INFO] [stdout]    --> src/nvm/shared_memory.rs:161:31
[INFO] [stdout]     |
[INFO] [stdout] 161 |     use std::io::{Read, Seek, SeekFrom, Write};
[INFO] [stdout]     |                               ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 164 |     use super::*;
[INFO] [stdout]     |         -------- the item `SeekFrom` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]    --> src/nvm/shared_memory.rs:161:41
[INFO] [stdout]     |
[INFO] [stdout] 161 |     use std::io::{Read, Seek, SeekFrom, Write};
[INFO] [stdout]     |                                         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 164 |     use super::*;
[INFO] [stdout]     |         -------- the item `Write` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `NonVolatileMemory` is imported redundantly
[INFO] [stdout]    --> src/nvm/shared_memory.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 164 |     use super::*;
[INFO] [stdout]     |         -------- the item `NonVolatileMemory` is already imported here
[INFO] [stdout] 165 |     use nvm::NonVolatileMemory;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Address` is imported redundantly
[INFO] [stdout]    --> src/storage/allocator/free_portion.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |     use super::*;
[INFO] [stdout]     |         -------- the item `Address` is already imported here
[INFO] [stdout] 125 |     use storage::Address;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `MetricBuilder` is imported redundantly
[INFO] [stdout]    --> src/storage/data_region.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |     use prometrics::metrics::MetricBuilder;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 170 |     use super::*;
[INFO] [stdout]     |         -------- the item `MetricBuilder` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DataPortionAllocator` is imported redundantly
[INFO] [stdout]    --> src/storage/data_region.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |     use super::super::allocator::DataPortionAllocator;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 170 |     use super::*;
[INFO] [stdout]     |         -------- the item `DataPortionAllocator` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BlockSize` is imported redundantly
[INFO] [stdout]    --> src/storage/data_region.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |     use super::*;
[INFO] [stdout]     |         -------- the item `BlockSize` is already imported here
[INFO] [stdout] 171 |     use block::BlockSize;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Uuid` is imported redundantly
[INFO] [stdout]    --> src/storage/header.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |     use uuid::Uuid;
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 196 |
[INFO] [stdout] 197 |     use super::*;
[INFO] [stdout]     |         -------- the item `Uuid` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BlockSize` is imported redundantly
[INFO] [stdout]    --> src/storage/header.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 197 |     use super::*;
[INFO] [stdout]     |         -------- the item `BlockSize` is already imported here
[INFO] [stdout] 198 |     use block::BlockSize;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BlockSize` is imported redundantly
[INFO] [stdout]   --> src/storage/journal/header.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |     use super::*;
[INFO] [stdout]    |         -------- the item `BlockSize` is already imported here
[INFO] [stdout] 91 |     use block::BlockSize;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Read` is imported redundantly
[INFO] [stdout]    --> src/storage/journal/nvm_buffer.rs:247:19
[INFO] [stdout]     |
[INFO] [stdout] 247 |     use std::io::{Read, Seek, SeekFrom, Write};
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 250 |     use super::*;
[INFO] [stdout]     |         -------- the item `Read` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Seek` is imported redundantly
[INFO] [stdout]    --> src/storage/journal/nvm_buffer.rs:247:25
[INFO] [stdout]     |
[INFO] [stdout] 247 |     use std::io::{Read, Seek, SeekFrom, Write};
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 250 |     use super::*;
[INFO] [stdout]     |         -------- the item `Seek` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SeekFrom` is imported redundantly
[INFO] [stdout]    --> src/storage/journal/nvm_buffer.rs:247:31
[INFO] [stdout]     |
[INFO] [stdout] 247 |     use std::io::{Read, Seek, SeekFrom, Write};
[INFO] [stdout]     |                               ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 250 |     use super::*;
[INFO] [stdout]     |         -------- the item `SeekFrom` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]    --> src/storage/journal/nvm_buffer.rs:247:41
[INFO] [stdout]     |
[INFO] [stdout] 247 |     use std::io::{Read, Seek, SeekFrom, Write};
[INFO] [stdout]     |                                         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 250 |     use super::*;
[INFO] [stdout]     |         -------- the item `Write` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `LumpId` is imported redundantly
[INFO] [stdout]    --> src/storage/journal/record.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |     use super::*;
[INFO] [stdout]     |         -------- the item `LumpId` is already imported here
[INFO] [stdout] 201 |     use lump::LumpId;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DataPortion` is imported redundantly
[INFO] [stdout]    --> src/storage/journal/record.rs:202:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |     use super::*;
[INFO] [stdout]     |         -------- the item `DataPortion` is already imported here
[INFO] [stdout] 201 |     use lump::LumpId;
[INFO] [stdout] 202 |     use storage::portion::DataPortion;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Address` is imported redundantly
[INFO] [stdout]    --> src/storage/journal/record.rs:203:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |     use super::*;
[INFO] [stdout]     |         -------- the item `Address` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 203 |     use storage::Address;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `MetricBuilder` is imported redundantly
[INFO] [stdout]    --> src/storage/journal/ring_buffer.rs:355:9
[INFO] [stdout]     |
[INFO] [stdout] 355 |     use prometrics::metrics::MetricBuilder;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 358 |     use super::*;
[INFO] [stdout]     |         -------- the item `MetricBuilder` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Address` is imported redundantly
[INFO] [stdout]    --> src/storage/journal/ring_buffer.rs:361:19
[INFO] [stdout]     |
[INFO] [stdout] 358 |     use super::*;
[INFO] [stdout]     |         -------- the item `Address` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 361 |     use storage::{Address, JournalRecord};
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `JournalRecord` is imported redundantly
[INFO] [stdout]    --> src/storage/journal/ring_buffer.rs:361:28
[INFO] [stdout]     |
[INFO] [stdout] 358 |     use super::*;
[INFO] [stdout]     |         -------- the item `JournalRecord` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 361 |     use storage::{Address, JournalRecord};
[INFO] [stdout]     |                            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ErrorKind` is imported redundantly
[INFO] [stdout]    --> src/storage/journal/ring_buffer.rs:362:9
[INFO] [stdout]     |
[INFO] [stdout] 358 |     use super::*;
[INFO] [stdout]     |         -------- the item `ErrorKind` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 362 |     use ErrorKind;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Address` is imported redundantly
[INFO] [stdout]   --> src/storage/portion.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |     use super::*;
[INFO] [stdout]    |         -------- the item `Address` is already imported here
[INFO] [stdout] 87 |     use storage::Address;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BlockSize` is imported redundantly
[INFO] [stdout]    --> src/storage/mod.rs:434:9
[INFO] [stdout]     |
[INFO] [stdout] 433 |     use super::*;
[INFO] [stdout]     |         -------- the item `BlockSize` is already imported here
[INFO] [stdout] 434 |     use block::BlockSize;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `LumpData` is imported redundantly
[INFO] [stdout]    --> src/storage/mod.rs:435:16
[INFO] [stdout]     |
[INFO] [stdout] 433 |     use super::*;
[INFO] [stdout]     |         -------- the item `LumpData` is already imported here
[INFO] [stdout] 434 |     use block::BlockSize;
[INFO] [stdout] 435 |     use lump::{LumpData, LumpId};
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `LumpId` is imported redundantly
[INFO] [stdout]    --> src/storage/mod.rs:435:26
[INFO] [stdout]     |
[INFO] [stdout] 433 |     use super::*;
[INFO] [stdout]     |         -------- the item `LumpId` is already imported here
[INFO] [stdout] 434 |     use block::BlockSize;
[INFO] [stdout] 435 |     use lump::{LumpData, LumpId};
[INFO] [stdout]     |                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/error.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{self, str::FromStr};
[INFO] [stdout]   |           ^^^^ the item `std` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `trackable` is imported redundantly
[INFO] [stdout]   --> src/error.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | use trackable;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 | extern crate trackable;
[INFO] [stdout]    | ----------------------- the item `trackable` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `command_tx` is never read
[INFO] [stdout]   --> src/device/thread.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct DeviceThread<N>
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 36 |     command_tx: CommandSender,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DeviceThread` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `header` is never read
[INFO] [stdout]    --> src/metrics.rs:785:5
[INFO] [stdout]     |
[INFO] [stdout] 779 | pub struct StorageMetrics {
[INFO] [stdout]     |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 785 |     header: Gauge,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `StorageMetrics` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `command_tx` is never read
[INFO] [stdout]   --> src/device/thread.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct DeviceThread<N>
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 36 |     command_tx: CommandSender,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DeviceThread` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `header` is never read
[INFO] [stdout]    --> src/metrics.rs:785:5
[INFO] [stdout]     |
[INFO] [stdout] 779 | pub struct StorageMetrics {
[INFO] [stdout]     |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 785 |     header: Gauge,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `StorageMetrics` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/device/mod.rs:568:34
[INFO] [stdout]     |
[INFO] [stdout] 568 |         assert!(result.unwrap(), true);
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 568 |         assert!(result.unwrap(), "{}", true);
[INFO] [stdout]     |                                  +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 47 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.05s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v2.2.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "b68d16958d685b5f36867d9829d8970748ff1a7bed7ac7fa00936c8d47f94f87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b68d16958d685b5f36867d9829d8970748ff1a7bed7ac7fa00936c8d47f94f87", kill_on_drop: false }`
[INFO] [stdout] b68d16958d685b5f36867d9829d8970748ff1a7bed7ac7fa00936c8d47f94f87
