[INFO] fetching crate bluefin 0.1.4...
[INFO] checking bluefin-0.1.4 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate bluefin 0.1.4 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate bluefin 0.1.4 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bluefin 0.1.4
[INFO] finished tweaking crates.io crate bluefin 0.1.4
[INFO] tweaked toml for crates.io crate bluefin 0.1.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate bluefin 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e77b687dd2b2450dda24cff2d62975411f9f20480cab15b6f05032ab00ec9ad
[INFO] running `Command { std: "docker" "start" "-a" "2e77b687dd2b2450dda24cff2d62975411f9f20480cab15b6f05032ab00ec9ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e77b687dd2b2450dda24cff2d62975411f9f20480cab15b6f05032ab00ec9ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e77b687dd2b2450dda24cff2d62975411f9f20480cab15b6f05032ab00ec9ad", kill_on_drop: false }`
[INFO] [stdout] 2e77b687dd2b2450dda24cff2d62975411f9f20480cab15b6f05032ab00ec9ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e255c0c721a211a59155c88b7e431eecc90dc39daadd559d8e25b9d8b43ded6a
[INFO] running `Command { std: "docker" "start" "-a" "e255c0c721a211a59155c88b7e431eecc90dc39daadd559d8e25b9d8b43ded6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
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[INFO] [stdout] warning: unused import: `sleep`
[INFO] [stdout]   --> src/network/connection.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     time::{sleep, timeout},
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/network/connection.rs:26:25
[INFO] [stdout]    |
[INFO] [stdout] 26 |         buffered_read::{self, BufferedRead},
[INFO] [stdout]    |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PacketBuilder`
[INFO] [stdout]  --> src/network/stream.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use etherparse::{PacketBuilder, PacketHeaders};
[INFO] [stdout]   |                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Alphanumeric`, `DistString`
[INFO] [stdout]  --> src/network/stream.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::distributions::{Alphanumeric, DistString};
[INFO] [stdout]   |                           ^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncWriteExt`
[INFO] [stdout]  --> src/network/stream.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 |     io::{AsyncReadExt, AsyncWriteExt},
[INFO] [stdout]   |                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> src/tun/device.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::process::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sleep`
[INFO] [stdout]   --> src/network/connection.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     time::{sleep, timeout},
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/network/connection.rs:26:25
[INFO] [stdout]    |
[INFO] [stdout] 26 |         buffered_read::{self, BufferedRead},
[INFO] [stdout]    |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PacketBuilder`
[INFO] [stdout]  --> src/network/stream.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use etherparse::{PacketBuilder, PacketHeaders};
[INFO] [stdout]   |                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Alphanumeric`, `DistString`
[INFO] [stdout]  --> src/network/stream.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::distributions::{Alphanumeric, DistString};
[INFO] [stdout]   |                           ^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncWriteExt`
[INFO] [stdout]  --> src/network/stream.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 |     io::{AsyncReadExt, AsyncWriteExt},
[INFO] [stdout]   |                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> src/tun/device.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::process::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_u8` is never used
[INFO] [stdout]   --> src/core/header.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl StreamPacketType {
[INFO] [stdout]    | --------------------- associated function in this implementation
[INFO] [stdout] 38 |     fn from_u8(value: u8) -> Self {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/core/header.rs:170:19
[INFO] [stdout]     |
[INFO] [stdout] 169 | impl BluefinStreamHeader {
[INFO] [stdout]     | ------------------------ associated function in this implementation
[INFO] [stdout] 170 |     pub(crate) fn new(stream_id: u32, stream_type: StreamPacketType) -> Self {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `builder` is never used
[INFO] [stdout]   --> src/core/packet.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl BluefinStreamPacket {
[INFO] [stdout]    | ------------------------ associated function in this implementation
[INFO] [stdout] 40 |     pub(crate) fn builder() -> BluefinStreamPacketBuilder {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `header` and `stream_header` are never used
[INFO] [stdout]   --> src/core/packet.rs:50:19
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl BluefinStreamPacketBuilder {
[INFO] [stdout]    | ------------------------------- methods in this implementation
[INFO] [stdout] 50 |     pub(crate) fn header(mut self, header: BluefinHeader) -> Self {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub(crate) fn stream_header(mut self, stream_header: BluefinStreamHeader) -> Self {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `timeout` are never read
[INFO] [stdout]   --> src/hosts/client.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct BluefinClient {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 30 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 31 |     timeout: Duration,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BluefinClient` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/io/buffered_read.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub(crate) struct BufferedRead {
[INFO] [stdout]    |                   ------------ field in this struct
[INFO] [stdout] 17 |     /// Unique id per buffered read request, mostly used for debugging purposes
[INFO] [stdout] 18 |     id: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BufferedRead` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/io/worker.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub(crate) struct ReadWorker {
[INFO] [stdout]    |                   ---------- field in this struct
[INFO] [stdout] 18 |     id: String,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/io/worker.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub(crate) struct AcceptWorker {
[INFO] [stdout]    |                   ------------ field in this struct
[INFO] [stdout] 28 |     id: String,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_NUM_OPEN_STREAMS` is never used
[INFO] [stdout]   --> src/network/connection.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 | const MAX_NUM_OPEN_STREAMS: usize = 10;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `src_id` and `dst_id` are never read
[INFO] [stdout]   --> src/network/stream.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Stream {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 14 |     pub id: u32,
[INFO] [stdout] 15 |     pub(crate) src_id: i32,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 16 |     pub(crate) dst_id: i32,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/network/stream.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Stream {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 29 |     pub(crate) fn new(
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `address`, `netmask`, and `mac_device` are never read
[INFO] [stdout]   --> src/tun/device.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct BluefinDevice {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 11 |     name: Option<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     address: Option<Ipv4Addr>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 13 |     netmask: Option<Ipv4Addr>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 14 |     mac_device: Option<Device>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_u8` is never used
[INFO] [stdout]   --> src/core/header.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl StreamPacketType {
[INFO] [stdout]    | --------------------- associated function in this implementation
[INFO] [stdout] 38 |     fn from_u8(value: u8) -> Self {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `builder` is never used
[INFO] [stdout]   --> src/core/packet.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl BluefinStreamPacket {
[INFO] [stdout]    | ------------------------ associated function in this implementation
[INFO] [stdout] 40 |     pub(crate) fn builder() -> BluefinStreamPacketBuilder {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `header` and `stream_header` are never used
[INFO] [stdout]   --> src/core/packet.rs:50:19
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl BluefinStreamPacketBuilder {
[INFO] [stdout]    | ------------------------------- methods in this implementation
[INFO] [stdout] 50 |     pub(crate) fn header(mut self, header: BluefinHeader) -> Self {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub(crate) fn stream_header(mut self, stream_header: BluefinStreamHeader) -> Self {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `timeout` are never read
[INFO] [stdout]   --> src/hosts/client.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct BluefinClient {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 30 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 31 |     timeout: Duration,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BluefinClient` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/io/buffered_read.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub(crate) struct BufferedRead {
[INFO] [stdout]    |                   ------------ field in this struct
[INFO] [stdout] 17 |     /// Unique id per buffered read request, mostly used for debugging purposes
[INFO] [stdout] 18 |     id: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BufferedRead` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/io/worker.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub(crate) struct ReadWorker {
[INFO] [stdout]    |                   ---------- field in this struct
[INFO] [stdout] 18 |     id: String,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/io/worker.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub(crate) struct AcceptWorker {
[INFO] [stdout]    |                   ------------ field in this struct
[INFO] [stdout] 28 |     id: String,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_NUM_OPEN_STREAMS` is never used
[INFO] [stdout]   --> src/network/connection.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 | const MAX_NUM_OPEN_STREAMS: usize = 10;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `src_id` and `dst_id` are never read
[INFO] [stdout]   --> src/network/stream.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Stream {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 14 |     pub id: u32,
[INFO] [stdout] 15 |     pub(crate) src_id: i32,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 16 |     pub(crate) dst_id: i32,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/network/stream.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Stream {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 29 |     pub(crate) fn new(
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `address`, `netmask`, and `mac_device` are never read
[INFO] [stdout]   --> src/tun/device.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct BluefinDevice {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 11 |     name: Option<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     address: Option<Ipv4Addr>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 13 |     netmask: Option<Ipv4Addr>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 14 |     mac_device: Option<Device>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.02s
[INFO] running `Command { std: "docker" "inspect" "e255c0c721a211a59155c88b7e431eecc90dc39daadd559d8e25b9d8b43ded6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e255c0c721a211a59155c88b7e431eecc90dc39daadd559d8e25b9d8b43ded6a", kill_on_drop: false }`
[INFO] [stdout] e255c0c721a211a59155c88b7e431eecc90dc39daadd559d8e25b9d8b43ded6a
