[INFO] cloning repository https://github.com/3akur6/braille-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/3akur6/braille-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3akur6%2Fbraille-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3akur6%2Fbraille-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5462389164ab1475a1c2781472d4a99770fa9fc0
[INFO] checking 3akur6/braille-rs against master#46424fb5054f211ec836c5c03159f92e46bb35ac for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3akur6%2Fbraille-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/3akur6/braille-rs on toolchain 46424fb5054f211ec836c5c03159f92e46bb35ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/3akur6/braille-rs
[INFO] finished tweaking git repo https://github.com/3akur6/braille-rs
[INFO] tweaked toml for git repo https://github.com/3akur6/braille-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/3akur6/braille-rs 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" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded byteorder v1.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83b9c96ef41b8e8d8025b71d215f5a9b2843a8afe2810a9e915c8259bfce84be
[INFO] running `Command { std: "docker" "start" "-a" "83b9c96ef41b8e8d8025b71d215f5a9b2843a8afe2810a9e915c8259bfce84be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83b9c96ef41b8e8d8025b71d215f5a9b2843a8afe2810a9e915c8259bfce84be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83b9c96ef41b8e8d8025b71d215f5a9b2843a8afe2810a9e915c8259bfce84be", kill_on_drop: false }`
[INFO] [stdout] 83b9c96ef41b8e8d8025b71d215f5a9b2843a8afe2810a9e915c8259bfce84be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4b81c8792e473fbfeed8cbe5335afcdec747e428e804e2df79a7367cd4ad54c
[INFO] running `Command { std: "docker" "start" "-a" "a4b81c8792e473fbfeed8cbe5335afcdec747e428e804e2df79a7367cd4ad54c", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking braille-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated items `from_vec` and `to_vec` are never used
[INFO] [stdout]   --> src/cluster.rs:8:8
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub trait FrameLike {
[INFO] [stdout]    |           --------- associated items in this trait
[INFO] [stdout] ...
[INFO] [stdout] 8  |     fn from_vec(vec: Vec<u8>) -> Self
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn to_vec(&self) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_vec` is never used
[INFO] [stdout]   --> src/cluster.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl Frame {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn to_vec(&self) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `gadget` and `msg` are never read
[INFO] [stdout]   --> src/gadget.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Error {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 16 |     gadget: Gadget,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 17 |     msg: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_write_like` is never used
[INFO] [stdout]    --> src/gadget.rs:164:12
[INFO] [stdout]     |
[INFO] [stdout] 30  | impl Gadget {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 164 |     pub fn is_write_like(&self, braille: &mut Braille) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `craft_write_payload` is never used
[INFO] [stdout]    --> src/payload.rs:106:12
[INFO] [stdout]     |
[INFO] [stdout] 30  | impl Payload {
[INFO] [stdout]     | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 106 |     pub fn craft_write_payload(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_vec` and `to_vec` are never used
[INFO] [stdout]   --> src/cluster.rs:8:8
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub trait FrameLike {
[INFO] [stdout]    |           --------- associated items in this trait
[INFO] [stdout] ...
[INFO] [stdout] 8  |     fn from_vec(vec: Vec<u8>) -> Self
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn to_vec(&self) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_vec` is never used
[INFO] [stdout]   --> src/cluster.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl Frame {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn to_vec(&self) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `gadget` and `msg` are never read
[INFO] [stdout]   --> src/gadget.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Error {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 16 |     gadget: Gadget,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 17 |     msg: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_write_like` is never used
[INFO] [stdout]    --> src/gadget.rs:164:12
[INFO] [stdout]     |
[INFO] [stdout] 30  | impl Gadget {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 164 |     pub fn is_write_like(&self, braille: &mut Braille) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `craft_write_payload` is never used
[INFO] [stdout]    --> src/payload.rs:106:12
[INFO] [stdout]     |
[INFO] [stdout] 30  | impl Payload {
[INFO] [stdout]     | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 106 |     pub fn craft_write_payload(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "a4b81c8792e473fbfeed8cbe5335afcdec747e428e804e2df79a7367cd4ad54c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4b81c8792e473fbfeed8cbe5335afcdec747e428e804e2df79a7367cd4ad54c", kill_on_drop: false }`
[INFO] [stdout] a4b81c8792e473fbfeed8cbe5335afcdec747e428e804e2df79a7367cd4ad54c
