[INFO] cloning repository https://github.com/drblain/rustymind
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drblain/rustymind" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrblain%2Frustymind", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrblain%2Frustymind'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a782ca545736f2638833ae6d8c341c5ed629844
[INFO] building drblain/rustymind against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrblain%2Frustymind" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/drblain/rustymind on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/drblain/rustymind
[INFO] finished tweaking git repo https://github.com/drblain/rustymind
[INFO] tweaked toml for git repo https://github.com/drblain/rustymind written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/drblain/rustymind 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d1ced4085e4c0c7252ccad55c3e1c100454ea61b81ce7aa54a5e3f9a020f625
[INFO] running `Command { std: "docker" "start" "-a" "6d1ced4085e4c0c7252ccad55c3e1c100454ea61b81ce7aa54a5e3f9a020f625", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d1ced4085e4c0c7252ccad55c3e1c100454ea61b81ce7aa54a5e3f9a020f625", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d1ced4085e4c0c7252ccad55c3e1c100454ea61b81ce7aa54a5e3f9a020f625", kill_on_drop: false }`
[INFO] [stdout] 6d1ced4085e4c0c7252ccad55c3e1c100454ea61b81ce7aa54a5e3f9a020f625
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51e907c71ece9c02bbe6ab1a4e31398ad56275cddc9dbdd74af44210e4d3d0db
[INFO] running `Command { std: "docker" "start" "-a" "51e907c71ece9c02bbe6ab1a4e31398ad56275cddc9dbdd74af44210e4d3d0db", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rustymind v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `validate_input`
[INFO] [stdout]  --> src/scanner.rs:5:28
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn get_user_difficulty(validate_input : bool) -> u32 {
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_validate_input`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_user_u32` is never used
[INFO] [stdout]  --> src/scanner.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn get_user_u32() -> u32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_user_difficulty` is never used
[INFO] [stdout]  --> src/scanner.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn get_user_difficulty(validate_input : bool) -> u32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_user_guess` is never used
[INFO] [stdout]  --> src/scanner.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn get_user_guess(current_difficulty : u32) -> u32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_game` is never used
[INFO] [stdout]   --> src/mastermind.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn run_game() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.49s
[INFO] running `Command { std: "docker" "inspect" "51e907c71ece9c02bbe6ab1a4e31398ad56275cddc9dbdd74af44210e4d3d0db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51e907c71ece9c02bbe6ab1a4e31398ad56275cddc9dbdd74af44210e4d3d0db", kill_on_drop: false }`
[INFO] [stdout] 51e907c71ece9c02bbe6ab1a4e31398ad56275cddc9dbdd74af44210e4d3d0db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32262911ec7f4d185a7e3de17b7f68a23d77bf54dd5b9d5f0d5e705f324cddfd
[INFO] running `Command { std: "docker" "start" "-a" "32262911ec7f4d185a7e3de17b7f68a23d77bf54dd5b9d5f0d5e705f324cddfd", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustymind v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `validate_input`
[INFO] [stdout]  --> src/scanner.rs:5:28
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn get_user_difficulty(validate_input : bool) -> u32 {
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_validate_input`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_user_u32` is never used
[INFO] [stdout]  --> src/scanner.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn get_user_u32() -> u32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_user_difficulty` is never used
[INFO] [stdout]  --> src/scanner.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn get_user_difficulty(validate_input : bool) -> u32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_user_guess` is never used
[INFO] [stdout]  --> src/scanner.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn get_user_guess(current_difficulty : u32) -> u32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_game` is never used
[INFO] [stdout]   --> src/mastermind.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn run_game() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "32262911ec7f4d185a7e3de17b7f68a23d77bf54dd5b9d5f0d5e705f324cddfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32262911ec7f4d185a7e3de17b7f68a23d77bf54dd5b9d5f0d5e705f324cddfd", kill_on_drop: false }`
[INFO] [stdout] 32262911ec7f4d185a7e3de17b7f68a23d77bf54dd5b9d5f0d5e705f324cddfd