[INFO] cloning repository https://github.com/mokollmar/rock-paper-scissors
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mokollmar/rock-paper-scissors" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmokollmar%2Frock-paper-scissors", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmokollmar%2Frock-paper-scissors'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef10a83c44da6ab9b9ebb2e692bc3b09184ff961
[INFO] building mokollmar/rock-paper-scissors 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%2Fmokollmar%2Frock-paper-scissors" "/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/mokollmar/rock-paper-scissors 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/mokollmar/rock-paper-scissors
[INFO] finished tweaking git repo https://github.com/mokollmar/rock-paper-scissors
[INFO] tweaked toml for git repo https://github.com/mokollmar/rock-paper-scissors written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mokollmar/rock-paper-scissors 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] c80a1d675be53b926042606f89a847982cdb8be5bb8a9b3796f453fc0f452440
[INFO] running `Command { std: "docker" "start" "-a" "c80a1d675be53b926042606f89a847982cdb8be5bb8a9b3796f453fc0f452440", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c80a1d675be53b926042606f89a847982cdb8be5bb8a9b3796f453fc0f452440", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c80a1d675be53b926042606f89a847982cdb8be5bb8a9b3796f453fc0f452440", kill_on_drop: false }`
[INFO] [stdout] c80a1d675be53b926042606f89a847982cdb8be5bb8a9b3796f453fc0f452440
[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] dd2885c52f33303991dc8828bf5bf15bb683788e4e84422139271e67f0dd4fb5
[INFO] running `Command { std: "docker" "start" "-a" "dd2885c52f33303991dc8828bf5bf15bb683788e4e84422139271e67f0dd4fb5", 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 v0.2.14
[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 rock_paper_scissors v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `some_number`
[INFO] [stdout]    --> src/main.rs:313:9
[INFO] [stdout]     |
[INFO] [stdout] 313 |     let some_number = Some(5);
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_number`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `some_char`
[INFO] [stdout]    --> src/main.rs:314:9
[INFO] [stdout]     |
[INFO] [stdout] 314 |     let some_char = Some('e');
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `absent_number`
[INFO] [stdout]    --> src/main.rs:315:9
[INFO] [stdout]     |
[INFO] [stdout] 315 |     let absent_number: Option<i32> = None;
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_absent_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `active` and `sign_in_count` are never read
[INFO] [stdout]    --> src/main.rs:255:9
[INFO] [stdout]     |
[INFO] [stdout] 254 |     struct UserData {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 255 |         active: bool,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 256 |         username: String,
[INFO] [stdout] 257 |         sign_in_count: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_user` is never used
[INFO] [stdout]    --> src/main.rs:268:8
[INFO] [stdout]     |
[INFO] [stdout] 268 |     fn build_user(username: String, sign_in_count: u32) -> UserData {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `email` and `dummy` are never used
[INFO] [stdout]    --> src/main.rs:289:12
[INFO] [stdout]     |
[INFO] [stdout] 285 |     impl Programmer {
[INFO] [stdout]     |     --------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 289 |         fn email(&self) -> &String {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 292 |         fn dummy() -> Self {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_12` is never used
[INFO] [stdout]    --> src/main.rs:312:4
[INFO] [stdout]     |
[INFO] [stdout] 312 | fn test_12() {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.84s
[INFO] running `Command { std: "docker" "inspect" "dd2885c52f33303991dc8828bf5bf15bb683788e4e84422139271e67f0dd4fb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd2885c52f33303991dc8828bf5bf15bb683788e4e84422139271e67f0dd4fb5", kill_on_drop: false }`
[INFO] [stdout] dd2885c52f33303991dc8828bf5bf15bb683788e4e84422139271e67f0dd4fb5
[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] 6ca673a5a80ae322db3f7f6fa01448f86f478efa082a5cdae7d0880f4b8091ee
[INFO] running `Command { std: "docker" "start" "-a" "6ca673a5a80ae322db3f7f6fa01448f86f478efa082a5cdae7d0880f4b8091ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling rock_paper_scissors v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `some_number`
[INFO] [stdout]    --> src/main.rs:313:9
[INFO] [stdout]     |
[INFO] [stdout] 313 |     let some_number = Some(5);
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_number`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `some_char`
[INFO] [stdout]    --> src/main.rs:314:9
[INFO] [stdout]     |
[INFO] [stdout] 314 |     let some_char = Some('e');
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `absent_number`
[INFO] [stdout]    --> src/main.rs:315:9
[INFO] [stdout]     |
[INFO] [stdout] 315 |     let absent_number: Option<i32> = None;
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_absent_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `active` and `sign_in_count` are never read
[INFO] [stdout]    --> src/main.rs:255:9
[INFO] [stdout]     |
[INFO] [stdout] 254 |     struct UserData {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 255 |         active: bool,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 256 |         username: String,
[INFO] [stdout] 257 |         sign_in_count: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_user` is never used
[INFO] [stdout]    --> src/main.rs:268:8
[INFO] [stdout]     |
[INFO] [stdout] 268 |     fn build_user(username: String, sign_in_count: u32) -> UserData {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `email` and `dummy` are never used
[INFO] [stdout]    --> src/main.rs:289:12
[INFO] [stdout]     |
[INFO] [stdout] 285 |     impl Programmer {
[INFO] [stdout]     |     --------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 289 |         fn email(&self) -> &String {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 292 |         fn dummy() -> Self {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_12` is never used
[INFO] [stdout]    --> src/main.rs:312:4
[INFO] [stdout]     |
[INFO] [stdout] 312 | fn test_12() {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "6ca673a5a80ae322db3f7f6fa01448f86f478efa082a5cdae7d0880f4b8091ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ca673a5a80ae322db3f7f6fa01448f86f478efa082a5cdae7d0880f4b8091ee", kill_on_drop: false }`
[INFO] [stdout] 6ca673a5a80ae322db3f7f6fa01448f86f478efa082a5cdae7d0880f4b8091ee