[INFO] fetching crate mutelnet 0.0.3...
[INFO] testing mutelnet-0.0.3 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate mutelnet 0.0.3 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate mutelnet 0.0.3
[INFO] finished tweaking crates.io crate mutelnet 0.0.3
[INFO] tweaked toml for crates.io crate mutelnet 0.0.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mutelnet 0.0.3 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded telnet-codec v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d21daa076a80759531e40a5815cd636e4accceb4df5f3e4310a7835a196fd67
[INFO] running `Command { std: "docker" "start" "-a" "2d21daa076a80759531e40a5815cd636e4accceb4df5f3e4310a7835a196fd67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d21daa076a80759531e40a5815cd636e4accceb4df5f3e4310a7835a196fd67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d21daa076a80759531e40a5815cd636e4accceb4df5f3e4310a7835a196fd67", kill_on_drop: false }`
[INFO] [stdout] 2d21daa076a80759531e40a5815cd636e4accceb4df5f3e4310a7835a196fd67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88dcb6d9435f4d6b06bfc08f6d2deeec8fd89b55b4f56b87738c7bbc6cc15ef2
[INFO] running `Command { std: "docker" "start" "-a" "88dcb6d9435f4d6b06bfc08f6d2deeec8fd89b55b4f56b87738c7bbc6cc15ef2", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling tokio-util v0.6.10
[INFO] [stderr]    Compiling telnet-codec v0.1.0
[INFO] [stderr]    Compiling mutelnet v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:369:42
[INFO] [stdout]     |
[INFO] [stdout] 369 |     pub fn handle_sub(&mut self, op: u8, mut data: Bytes) -> bool {
[INFO] [stdout]     |                                          ----^^^^
[INFO] [stdout]     |                                          |
[INFO] [stdout]     |                                          help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NULL` is never used
[INFO] [stdout]  --> src/lib.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const NULL: u8 = 0;
[INFO] [stdout]   |       ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BEL` is never used
[INFO] [stdout]   --> src/lib.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const BEL: u8 = 7;
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CR` is never used
[INFO] [stdout]   --> src/lib.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const CR: u8 = 13;
[INFO] [stdout]    |       ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LF` is never used
[INFO] [stdout]   --> src/lib.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const LF: u8 = 10;
[INFO] [stdout]    |       ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EOR` is never used
[INFO] [stdout]   --> src/lib.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const EOR: u8 = 239;
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NOP` is never used
[INFO] [stdout]   --> src/lib.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const NOP: u8 = 241;
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GA` is never used
[INFO] [stdout]   --> src/lib.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const GA: u8 = 249;
[INFO] [stdout]    |       ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TELOPT_EOR` is never used
[INFO] [stdout]   --> src/lib.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | const TELOPT_EOR: u8 = 25;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LINEMODE` is never used
[INFO] [stdout]   --> src/lib.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 | const LINEMODE: u8 = 34;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MNES` is never used
[INFO] [stdout]   --> src/lib.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 | const MNES: u8 = 39;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MXP` is never used
[INFO] [stdout]   --> src/lib.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 | const MXP: u8 = 91;
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MSSP` is never used
[INFO] [stdout]   --> src/lib.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 | const MSSP: u8 = 70;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MCCP2` is never used
[INFO] [stdout]   --> src/lib.rs:42:7
[INFO] [stdout]    |
[INFO] [stdout] 42 | const MCCP2: u8 = 86;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MCCP3` is never used
[INFO] [stdout]   --> src/lib.rs:43:7
[INFO] [stdout]    |
[INFO] [stdout] 43 | const MCCP3: u8 = 87;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GMCP` is never used
[INFO] [stdout]   --> src/lib.rs:46:7
[INFO] [stdout]    |
[INFO] [stdout] 46 | const GMCP: u8 = 201;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MSDP` is never used
[INFO] [stdout]   --> src/lib.rs:49:7
[INFO] [stdout]    |
[INFO] [stdout] 49 | const MSDP: u8 = 69;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "88dcb6d9435f4d6b06bfc08f6d2deeec8fd89b55b4f56b87738c7bbc6cc15ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88dcb6d9435f4d6b06bfc08f6d2deeec8fd89b55b4f56b87738c7bbc6cc15ef2", kill_on_drop: false }`
[INFO] [stdout] 88dcb6d9435f4d6b06bfc08f6d2deeec8fd89b55b4f56b87738c7bbc6cc15ef2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a9e1d5c78773f45ced07937aaa1e663b65674280efd44437bac2fcb8977a58c
[INFO] running `Command { std: "docker" "start" "-a" "8a9e1d5c78773f45ced07937aaa1e663b65674280efd44437bac2fcb8977a58c", kill_on_drop: false }`
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:369:42
[INFO] [stdout]     |
[INFO] [stdout] 369 |     pub fn handle_sub(&mut self, op: u8, mut data: Bytes) -> bool {
[INFO] [stdout]     |                                          ----^^^^
[INFO] [stdout]     |                                          |
[INFO] [stdout]     |                                          help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NULL` is never used
[INFO] [stdout]  --> src/lib.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const NULL: u8 = 0;
[INFO] [stdout]   |       ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BEL` is never used
[INFO] [stdout]   --> src/lib.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const BEL: u8 = 7;
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CR` is never used
[INFO] [stdout]   --> src/lib.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const CR: u8 = 13;
[INFO] [stdout]    |       ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LF` is never used
[INFO] [stdout]   --> src/lib.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const LF: u8 = 10;
[INFO] [stdout]    |       ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mutelnet v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `EOR` is never used
[INFO] [stdout]   --> src/lib.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const EOR: u8 = 239;
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NOP` is never used
[INFO] [stdout]   --> src/lib.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const NOP: u8 = 241;
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GA` is never used
[INFO] [stdout]   --> src/lib.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const GA: u8 = 249;
[INFO] [stdout]    |       ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TELOPT_EOR` is never used
[INFO] [stdout]   --> src/lib.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | const TELOPT_EOR: u8 = 25;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LINEMODE` is never used
[INFO] [stdout]   --> src/lib.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 | const LINEMODE: u8 = 34;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MNES` is never used
[INFO] [stdout]   --> src/lib.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 | const MNES: u8 = 39;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MXP` is never used
[INFO] [stdout]   --> src/lib.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 | const MXP: u8 = 91;
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MSSP` is never used
[INFO] [stdout]   --> src/lib.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 | const MSSP: u8 = 70;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MCCP2` is never used
[INFO] [stdout]   --> src/lib.rs:42:7
[INFO] [stdout]    |
[INFO] [stdout] 42 | const MCCP2: u8 = 86;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MCCP3` is never used
[INFO] [stdout]   --> src/lib.rs:43:7
[INFO] [stdout]    |
[INFO] [stdout] 43 | const MCCP3: u8 = 87;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GMCP` is never used
[INFO] [stdout]   --> src/lib.rs:46:7
[INFO] [stdout]    |
[INFO] [stdout] 46 | const GMCP: u8 = 201;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MSDP` is never used
[INFO] [stdout]   --> src/lib.rs:49:7
[INFO] [stdout]    |
[INFO] [stdout] 49 | const MSDP: u8 = 69;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:369:42
[INFO] [stdout]     |
[INFO] [stdout] 369 |     pub fn handle_sub(&mut self, op: u8, mut data: Bytes) -> bool {
[INFO] [stdout]     |                                          ----^^^^
[INFO] [stdout]     |                                          |
[INFO] [stdout]     |                                          help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NULL` is never used
[INFO] [stdout]  --> src/lib.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const NULL: u8 = 0;
[INFO] [stdout]   |       ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BEL` is never used
[INFO] [stdout]   --> src/lib.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const BEL: u8 = 7;
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CR` is never used
[INFO] [stdout]   --> src/lib.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const CR: u8 = 13;
[INFO] [stdout]    |       ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LF` is never used
[INFO] [stdout]   --> src/lib.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const LF: u8 = 10;
[INFO] [stdout]    |       ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EOR` is never used
[INFO] [stdout]   --> src/lib.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const EOR: u8 = 239;
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NOP` is never used
[INFO] [stdout]   --> src/lib.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const NOP: u8 = 241;
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GA` is never used
[INFO] [stdout]   --> src/lib.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const GA: u8 = 249;
[INFO] [stdout]    |       ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TELOPT_EOR` is never used
[INFO] [stdout]   --> src/lib.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | const TELOPT_EOR: u8 = 25;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LINEMODE` is never used
[INFO] [stdout]   --> src/lib.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 | const LINEMODE: u8 = 34;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MNES` is never used
[INFO] [stdout]   --> src/lib.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 | const MNES: u8 = 39;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MXP` is never used
[INFO] [stdout]   --> src/lib.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 | const MXP: u8 = 91;
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MSSP` is never used
[INFO] [stdout]   --> src/lib.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 | const MSSP: u8 = 70;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MCCP2` is never used
[INFO] [stdout]   --> src/lib.rs:42:7
[INFO] [stdout]    |
[INFO] [stdout] 42 | const MCCP2: u8 = 86;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MCCP3` is never used
[INFO] [stdout]   --> src/lib.rs:43:7
[INFO] [stdout]    |
[INFO] [stdout] 43 | const MCCP3: u8 = 87;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GMCP` is never used
[INFO] [stdout]   --> src/lib.rs:46:7
[INFO] [stdout]    |
[INFO] [stdout] 46 | const GMCP: u8 = 201;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MSDP` is never used
[INFO] [stdout]   --> src/lib.rs:49:7
[INFO] [stdout]    |
[INFO] [stdout] 49 | const MSDP: u8 = 69;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "8a9e1d5c78773f45ced07937aaa1e663b65674280efd44437bac2fcb8977a58c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a9e1d5c78773f45ced07937aaa1e663b65674280efd44437bac2fcb8977a58c", kill_on_drop: false }`
[INFO] [stdout] 8a9e1d5c78773f45ced07937aaa1e663b65674280efd44437bac2fcb8977a58c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 427b9e7db96cfe816dbb9d625da041fd89fb3526d23ceae18af99cdaebf2b447
[INFO] running `Command { std: "docker" "start" "-a" "427b9e7db96cfe816dbb9d625da041fd89fb3526d23ceae18af99cdaebf2b447", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:369:42
[INFO] [stderr]     |
[INFO] [stderr] 369 |     pub fn handle_sub(&mut self, op: u8, mut data: Bytes) -> bool {
[INFO] [stderr]     |                                          ----^^^^
[INFO] [stderr]     |                                          |
[INFO] [stderr]     |                                          help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `NULL` is never used
[INFO] [stderr]  --> src/lib.rs:9:7
[INFO] [stderr]   |
[INFO] [stderr] 9 | const NULL: u8 = 0;
[INFO] [stderr]   |       ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `BEL` is never used
[INFO] [stderr]   --> src/lib.rs:10:7
[INFO] [stderr]    |
[INFO] [stderr] 10 | const BEL: u8 = 7;
[INFO] [stderr]    |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `CR` is never used
[INFO] [stderr]   --> src/lib.rs:11:7
[INFO] [stderr]    |
[INFO] [stderr] 11 | const CR: u8 = 13;
[INFO] [stderr]    |       ^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `LF` is never used
[INFO] [stderr]   --> src/lib.rs:12:7
[INFO] [stderr]    |
[INFO] [stderr] 12 | const LF: u8 = 10;
[INFO] [stderr]    |       ^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `EOR` is never used
[INFO] [stderr]   --> src/lib.rs:13:7
[INFO] [stderr]    |
[INFO] [stderr] 13 | const EOR: u8 = 239;
[INFO] [stderr]    |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `NOP` is never used
[INFO] [stderr]   --> src/lib.rs:14:7
[INFO] [stderr]    |
[INFO] [stderr] 14 | const NOP: u8 = 241;
[INFO] [stderr]    |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `GA` is never used
[INFO] [stderr]   --> src/lib.rs:15:7
[INFO] [stderr]    |
[INFO] [stderr] 15 | const GA: u8 = 249;
[INFO] [stderr]    |       ^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `TELOPT_EOR` is never used
[INFO] [stderr]   --> src/lib.rs:24:7
[INFO] [stderr]    |
[INFO] [stderr] 24 | const TELOPT_EOR: u8 = 25;
[INFO] [stderr]    |       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `LINEMODE` is never used
[INFO] [stderr]   --> src/lib.rs:28:7
[INFO] [stderr]    |
[INFO] [stderr] 28 | const LINEMODE: u8 = 34;
[INFO] [stderr]    |       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MNES` is never used
[INFO] [stderr]   --> src/lib.rs:31:7
[INFO] [stderr]    |
[INFO] [stderr] 31 | const MNES: u8 = 39;
[INFO] [stderr]    |       ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MXP` is never used
[INFO] [stderr]   --> src/lib.rs:34:7
[INFO] [stderr]    |
[INFO] [stderr] 34 | const MXP: u8 = 91;
[INFO] [stderr]    |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MSSP` is never used
[INFO] [stderr]   --> src/lib.rs:37:7
[INFO] [stderr]    |
[INFO] [stderr] 37 | const MSSP: u8 = 70;
[INFO] [stderr]    |       ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MCCP2` is never used
[INFO] [stderr]   --> src/lib.rs:42:7
[INFO] [stderr]    |
[INFO] [stderr] 42 | const MCCP2: u8 = 86;
[INFO] [stderr]    |       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MCCP3` is never used
[INFO] [stderr]   --> src/lib.rs:43:7
[INFO] [stderr]    |
[INFO] [stderr] 43 | const MCCP3: u8 = 87;
[INFO] [stderr]    |       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `GMCP` is never used
[INFO] [stderr]   --> src/lib.rs:46:7
[INFO] [stderr]    |
[INFO] [stderr] 46 | const GMCP: u8 = 201;
[INFO] [stderr]    |       ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MSDP` is never used
[INFO] [stderr]   --> src/lib.rs:49:7
[INFO] [stderr]    |
[INFO] [stderr] 49 | const MSDP: u8 = 69;
[INFO] [stderr]    |       ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mutelnet` (lib) generated 17 warnings (run `cargo fix --lib -p mutelnet` to apply 1 suggestion)
[INFO] [stderr] warning: `mutelnet` (lib test) generated 17 warnings (17 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mutelnet-14938c57879e24b0)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mutelnet
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "427b9e7db96cfe816dbb9d625da041fd89fb3526d23ceae18af99cdaebf2b447", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "427b9e7db96cfe816dbb9d625da041fd89fb3526d23ceae18af99cdaebf2b447", kill_on_drop: false }`
[INFO] [stdout] 427b9e7db96cfe816dbb9d625da041fd89fb3526d23ceae18af99cdaebf2b447