[INFO] cloning repository https://github.com/m-macdonald/dropbear-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/m-macdonald/dropbear-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-macdonald%2Fdropbear-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-macdonald%2Fdropbear-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eaa4e6cc21610456c5c21a8c4fcfffd27c1e9cb8
[INFO] checking m-macdonald/dropbear-rust against try#ac4c3613be2acd5395b65d85e5657b81e3c982f0 for pr-154585
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-macdonald%2Fdropbear-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/m-macdonald/dropbear-rust
[INFO] finished tweaking git repo https://github.com/m-macdonald/dropbear-rust
[INFO] tweaked toml for git repo https://github.com/m-macdonald/dropbear-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/m-macdonald/dropbear-rust on toolchain ac4c3613be2acd5395b65d85e5657b81e3c982f0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/m-macdonald/dropbear-rust 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" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking m-macdonald/dropbear-rust against try#ac4c3613be2acd5395b65d85e5657b81e3c982f0 for pr-154585
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-macdonald%2Fdropbear-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/m-macdonald/dropbear-rust
[INFO] finished tweaking git repo https://github.com/m-macdonald/dropbear-rust
[INFO] tweaked toml for git repo https://github.com/m-macdonald/dropbear-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/m-macdonald/dropbear-rust on toolchain ac4c3613be2acd5395b65d85e5657b81e3c982f0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/m-macdonald/dropbear-rust 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" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92c8f7d873e301f83bd9661ff7752774139ba2c1ff6cc6ad0b38a9a8aacd96ef
[INFO] running `Command { std: "docker" "start" "-a" "92c8f7d873e301f83bd9661ff7752774139ba2c1ff6cc6ad0b38a9a8aacd96ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92c8f7d873e301f83bd9661ff7752774139ba2c1ff6cc6ad0b38a9a8aacd96ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92c8f7d873e301f83bd9661ff7752774139ba2c1ff6cc6ad0b38a9a8aacd96ef", kill_on_drop: false }`
[INFO] [stdout] 92c8f7d873e301f83bd9661ff7752774139ba2c1ff6cc6ad0b38a9a8aacd96ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e45355253450085f269214c782054673625ba2afa22ec55e8db0d94d87fc2691
[INFO] running `Command { std: "docker" "start" "-a" "e45355253450085f269214c782054673625ba2afa22ec55e8db0d94d87fc2691", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking dropbear-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `tokenize` is never used
[INFO] [stdout]  --> src/tokenize.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn tokenize(input: &str) -> Vec<Token> {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Token` is never used
[INFO] [stdout]   --> src/tokenize.rs:80:6
[INFO] [stdout]    |
[INFO] [stdout] 80 | enum Token {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `string`, `name`, `parenthesis`, and `number` are never used
[INFO] [stdout]    --> src/tokenize.rs:89:8
[INFO] [stdout]     |
[INFO] [stdout]  88 | impl Token {
[INFO] [stdout]     | ---------- associated functions in this implementation
[INFO] [stdout]  89 |     fn string(s: impl Into<String>) -> Self {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  93 |     fn name(s: impl Into<String>) -> Self {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  97 |     fn parenthesis(s: impl Into<char>) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     fn number(s: impl Into<u32>) -> Self {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OPERATORS` is never used
[INFO] [stdout]  --> src/identify.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const OPERATORS: [char; 5] = [ '+', '-', '*', '/', '%' ];
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_letter` is never used
[INFO] [stdout]  --> src/identify.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn is_letter(c: &char) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_whitespace` is never used
[INFO] [stdout]   --> src/identify.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn is_whitespace(c: &char) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_number` is never used
[INFO] [stdout]   --> src/identify.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn is_number(c: &char) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_opening_parenthesis` is never used
[INFO] [stdout]   --> src/identify.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn is_opening_parenthesis(c: &char) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_closing_parenthesis` is never used
[INFO] [stdout]   --> src/identify.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn is_closing_parenthesis(c: &char) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_parenthesis` is never used
[INFO] [stdout]   --> src/identify.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn is_parenthesis(c: &char) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_quote` is never used
[INFO] [stdout]   --> src/identify.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn is_quote(c: &char) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_operator` is never used
[INFO] [stdout]   --> src/identify.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn is_operator(c: &char) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Whitespace` is never constructed
[INFO] [stdout]   --> src/tokenize.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 80 | enum Token {
[INFO] [stdout]    |      ----- variant in this enum
[INFO] [stdout] 81 |     Parenthesis(char),
[INFO] [stdout] 82 |     Whitespace,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OPERATORS` is never used
[INFO] [stdout]  --> src/identify.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const OPERATORS: [char; 5] = [ '+', '-', '*', '/', '%' ];
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_operator` is never used
[INFO] [stdout]   --> src/identify.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn is_operator(c: &char) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `Command { std: "docker" "inspect" "e45355253450085f269214c782054673625ba2afa22ec55e8db0d94d87fc2691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e45355253450085f269214c782054673625ba2afa22ec55e8db0d94d87fc2691", kill_on_drop: false }`
[INFO] [stdout] e45355253450085f269214c782054673625ba2afa22ec55e8db0d94d87fc2691
