[INFO] cloning repository https://github.com/iamgabrielsoft/rust_beginners
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iamgabrielsoft/rust_beginners" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamgabrielsoft%2Frust_beginners", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamgabrielsoft%2Frust_beginners'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba63020fc722687cea2aec5b5e80abc646b4d00f
[INFO] checking iamgabrielsoft/rust_beginners against try#9d63f825c0d409b0e1743a2c84b33f86965e5929 for pr-136968
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamgabrielsoft%2Frust_beginners" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iamgabrielsoft/rust_beginners on toolchain 9d63f825c0d409b0e1743a2c84b33f86965e5929
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9d63f825c0d409b0e1743a2c84b33f86965e5929" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iamgabrielsoft/rust_beginners
[INFO] finished tweaking git repo https://github.com/iamgabrielsoft/rust_beginners
[INFO] tweaked toml for git repo https://github.com/iamgabrielsoft/rust_beginners written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/iamgabrielsoft/rust_beginners 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" "+9d63f825c0d409b0e1743a2c84b33f86965e5929" "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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9d63f825c0d409b0e1743a2c84b33f86965e5929" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47fd10f56c94d38e6eb9bb67d951b4629c99ac9c84745552d78551f7459fbea9
[INFO] running `Command { std: "docker" "start" "-a" "47fd10f56c94d38e6eb9bb67d951b4629c99ac9c84745552d78551f7459fbea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47fd10f56c94d38e6eb9bb67d951b4629c99ac9c84745552d78551f7459fbea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47fd10f56c94d38e6eb9bb67d951b4629c99ac9c84745552d78551f7459fbea9", kill_on_drop: false }`
[INFO] [stdout] 47fd10f56c94d38e6eb9bb67d951b4629c99ac9c84745552d78551f7459fbea9
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9d63f825c0d409b0e1743a2c84b33f86965e5929" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49dc8ef4a04dc08fb9085a9de0272229b35ac6f2f3bcc1e31fe44aea933bba0d
[INFO] running `Command { std: "docker" "start" "-a" "49dc8ef4a04dc08fb9085a9de0272229b35ac6f2f3bcc1e31fe44aea933bba0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rust-beginner-projects v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/rock_paper_scissors.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |         return Ordering::Equal; 
[INFO] [stdout]     |         ---------------------- any code following this expression is unreachable
[INFO] [stdout] 120 |
[INFO] [stdout] 121 |         return Ordering::Equal; 
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `c_tally` is assigned to, but never used
[INFO] [stdout]    --> src/rock_paper_scissors.rs:154:13
[INFO] [stdout]     |
[INFO] [stdout] 154 |     let mut c_tally = 0; 
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_c_tally` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `p_tally` is assigned to, but never used
[INFO] [stdout]    --> src/rock_paper_scissors.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |     let mut p_tally = 0; 
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_p_tally` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `c_tally` is never read
[INFO] [stdout]    --> src/rock_paper_scissors.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |         c_tally += 1; 
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `p_tally` is never read
[INFO] [stdout]    --> src/rock_paper_scissors.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |         p_tally += 1; 
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/rock_paper_scissors.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |         return Ordering::Equal; 
[INFO] [stdout]     |         ---------------------- any code following this expression is unreachable
[INFO] [stdout] 120 |
[INFO] [stdout] 121 |         return Ordering::Equal; 
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `c_tally` is assigned to, but never used
[INFO] [stdout]    --> src/rock_paper_scissors.rs:154:13
[INFO] [stdout]     |
[INFO] [stdout] 154 |     let mut c_tally = 0; 
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_c_tally` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `p_tally` is assigned to, but never used
[INFO] [stdout]    --> src/rock_paper_scissors.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |     let mut p_tally = 0; 
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_p_tally` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `c_tally` is never read
[INFO] [stdout]    --> src/rock_paper_scissors.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |         c_tally += 1; 
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `p_tally` is never read
[INFO] [stdout]    --> src/rock_paper_scissors.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |         p_tally += 1; 
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sing` is never used
[INFO] [stdout]  --> src/bottles.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn sing(bottles: u32)   {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `output_bottles` is never used
[INFO] [stdout]   --> src/bottles.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn output_bottles(bottles: u32) -> String{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Penny`, `Nickel`, and `Quarter` are never constructed
[INFO] [stdout]  --> src/weightcounter.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum CoinType {
[INFO] [stdout]   |          -------- variants in this enum
[INFO] [stdout] 4 |     Penny, 
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     Nickel, 
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 6 |     Dim, 
[INFO] [stdout] 7 |     Quarter
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `weight` should have an upper case name
[INFO] [stdout]   --> src/main.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 |     const weight: f64 = 45.3; 
[INFO] [stdout]    |           ^^^^^^ help: convert the identifier to upper case: `WEIGHT`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sing` is never used
[INFO] [stdout]  --> src/bottles.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn sing(bottles: u32)   {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `output_bottles` is never used
[INFO] [stdout]   --> src/bottles.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn output_bottles(bottles: u32) -> String{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Penny`, `Nickel`, and `Quarter` are never constructed
[INFO] [stdout]  --> src/weightcounter.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum CoinType {
[INFO] [stdout]   |          -------- variants in this enum
[INFO] [stdout] 4 |     Penny, 
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     Nickel, 
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 6 |     Dim, 
[INFO] [stdout] 7 |     Quarter
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `weight` should have an upper case name
[INFO] [stdout]   --> src/main.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 |     const weight: f64 = 45.3; 
[INFO] [stdout]    |           ^^^^^^ help: convert the identifier to upper case: `WEIGHT`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.39s
[INFO] running `Command { std: "docker" "inspect" "49dc8ef4a04dc08fb9085a9de0272229b35ac6f2f3bcc1e31fe44aea933bba0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49dc8ef4a04dc08fb9085a9de0272229b35ac6f2f3bcc1e31fe44aea933bba0d", kill_on_drop: false }`
[INFO] [stdout] 49dc8ef4a04dc08fb9085a9de0272229b35ac6f2f3bcc1e31fe44aea933bba0d