[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#8f21a5c92ea55c348c275a1bc4fedbdf181e0d64 for pr-143011
[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] 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] validating manifest of git repo https://github.com/3akur6/braille-rs on toolchain 8f21a5c92ea55c348c275a1bc4fedbdf181e0d64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50a51463eeadda1a4fc575a3cccc2798b5690072c46c61bc9172622c5d297340
[INFO] running `Command { std: "docker" "start" "-a" "50a51463eeadda1a4fc575a3cccc2798b5690072c46c61bc9172622c5d297340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50a51463eeadda1a4fc575a3cccc2798b5690072c46c61bc9172622c5d297340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50a51463eeadda1a4fc575a3cccc2798b5690072c46c61bc9172622c5d297340", kill_on_drop: false }`
[INFO] [stdout] 50a51463eeadda1a4fc575a3cccc2798b5690072c46c61bc9172622c5d297340
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26b64048f51fa01a5aaa9ee7278f0cc1c16ca8f05fddb3662302c59ba0d61d79
[INFO] running `Command { std: "docker" "start" "-a" "26b64048f51fa01a5aaa9ee7278f0cc1c16ca8f05fddb3662302c59ba0d61d79", 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: associated function `from_vec` is never used
[INFO] [stdout]    --> src/cluster.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 98  | pub trait WordLike {
[INFO] [stdout]     |           -------- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 105 |     fn from_vec(vec: Vec<Byte>) -> Self;
[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 0.59s
[INFO] running `Command { std: "docker" "inspect" "26b64048f51fa01a5aaa9ee7278f0cc1c16ca8f05fddb3662302c59ba0d61d79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26b64048f51fa01a5aaa9ee7278f0cc1c16ca8f05fddb3662302c59ba0d61d79", kill_on_drop: false }`
[INFO] [stdout] 26b64048f51fa01a5aaa9ee7278f0cc1c16ca8f05fddb3662302c59ba0d61d79
