[INFO] cloning repository https://github.com/elli0t43/Rust-Learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elli0t43/Rust-Learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felli0t43%2FRust-Learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felli0t43%2FRust-Learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0b2f504c29eb084dc51a6fe42ed90e05a8e21e8
[INFO] checking elli0t43/Rust-Learning against try#b4c55082edd8dec08ce8af276d7054d9c4db20c4 for pr-147984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felli0t43%2FRust-Learning" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/elli0t43/Rust-Learning
[INFO] finished tweaking git repo https://github.com/elli0t43/Rust-Learning
[INFO] tweaked toml for git repo https://github.com/elli0t43/Rust-Learning written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/elli0t43/Rust-Learning on toolchain b4c55082edd8dec08ce8af276d7054d9c4db20c4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/elli0t43/Rust-Learning 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" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "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 elli0t43/Rust-Learning against try#b4c55082edd8dec08ce8af276d7054d9c4db20c4 for pr-147984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felli0t43%2FRust-Learning" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/elli0t43/Rust-Learning
[INFO] finished tweaking git repo https://github.com/elli0t43/Rust-Learning
[INFO] tweaked toml for git repo https://github.com/elli0t43/Rust-Learning written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/elli0t43/Rust-Learning on toolchain b4c55082edd8dec08ce8af276d7054d9c4db20c4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/elli0t43/Rust-Learning 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" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abc625242846ea876f6f732aacac41c62e11890e384774ee9b9f3a20f17e383a
[INFO] running `Command { std: "docker" "start" "-a" "abc625242846ea876f6f732aacac41c62e11890e384774ee9b9f3a20f17e383a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abc625242846ea876f6f732aacac41c62e11890e384774ee9b9f3a20f17e383a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abc625242846ea876f6f732aacac41c62e11890e384774ee9b9f3a20f17e383a", kill_on_drop: false }`
[INFO] [stdout] abc625242846ea876f6f732aacac41c62e11890e384774ee9b9f3a20f17e383a
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9777895526697528fb83c3899ad5d6ed979e5b788931c1394b9f69efb23085c
[INFO] running `Command { std: "docker" "start" "-a" "f9777895526697528fb83c3899ad5d6ed979e5b788931c1394b9f69efb23085c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking rust-learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `salary`
[INFO] [stdout]   --> src/contstants.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let salary = 100.00;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_salary`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `salary`
[INFO] [stdout]   --> src/contstants.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let salary = 100.00;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_salary`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `constants_types_run` is never used
[INFO] [stdout]   --> src/contstants.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn constants_types_run() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `constants_types_run` is never used
[INFO] [stdout]   --> src/contstants.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn constants_types_run() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shadowing_var_char_run` is never used
[INFO] [stdout]   --> src/contstants.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn shadowing_var_char_run() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shadowing_var_char_run` is never used
[INFO] [stdout]   --> src/contstants.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn shadowing_var_char_run() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `integer_types_run` is never used
[INFO] [stdout]   --> src/scalar_types.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn integer_types_run() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `integer_types_run` is never used
[INFO] [stdout]   --> src/scalar_types.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn integer_types_run() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `integer_overflow_run` is never used
[INFO] [stdout]   --> src/scalar_types.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn integer_overflow_run() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `integer_overflow_run` is never used
[INFO] [stdout]   --> src/scalar_types.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn integer_overflow_run() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `float_types_run` is never used
[INFO] [stdout]   --> src/scalar_types.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn float_types_run() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `float_types_run` is never used
[INFO] [stdout]   --> src/scalar_types.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn float_types_run() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `number_seperator_run` is never used
[INFO] [stdout]   --> src/scalar_types.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn number_seperator_run() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `number_seperator_run` is never used
[INFO] [stdout]   --> src/scalar_types.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn number_seperator_run() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `boolean_types_run` is never used
[INFO] [stdout]   --> src/scalar_types.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub fn boolean_types_run() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `character_types_run` is never used
[INFO] [stdout]    --> src/scalar_types.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub fn character_types_run() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `boolean_types_run` is never used
[INFO] [stdout]   --> src/scalar_types.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub fn boolean_types_run() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `character_types_run` is never used
[INFO] [stdout]    --> src/scalar_types.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub fn character_types_run() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `var_run` is never used
[INFO] [stdout]   --> src/variables.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn var_run() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `var_run` is never used
[INFO] [stdout]   --> src/variables.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn var_run() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `number_guessing_game_run` is never used
[INFO] [stdout]  --> src/number_guessing_game.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn number_guessing_game_run() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `assert_eq_macro_run` is never used
[INFO] [stdout]  --> src/assert_eq_macro.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn assert_eq_macro_run() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `number_guessing_game_run` is never used
[INFO] [stdout]  --> src/number_guessing_game.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn number_guessing_game_run() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `assert_eq_macro_run` is never used
[INFO] [stdout]  --> src/assert_eq_macro.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn assert_eq_macro_run() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "f9777895526697528fb83c3899ad5d6ed979e5b788931c1394b9f69efb23085c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9777895526697528fb83c3899ad5d6ed979e5b788931c1394b9f69efb23085c", kill_on_drop: false }`
[INFO] [stdout] f9777895526697528fb83c3899ad5d6ed979e5b788931c1394b9f69efb23085c