[INFO] cloning repository https://github.com/tea551234/guess_game [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tea551234/guess_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftea551234%2Fguess_game", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftea551234%2Fguess_game'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 24676321b589afa8afb408460ff708bb44b78dec [INFO] building tea551234/guess_game 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%2Ftea551234%2Fguess_game" "/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/tea551234/guess_game 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/tea551234/guess_game [INFO] finished tweaking git repo https://github.com/tea551234/guess_game [INFO] tweaked toml for git repo https://github.com/tea551234/guess_game written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/tea551234/guess_game 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] [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-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] e90132a683bb5f8488e48e11b7d8f55e93ae97fcd98eea154ca38565286f422d [INFO] running `Command { std: "docker" "start" "-a" "e90132a683bb5f8488e48e11b7d8f55e93ae97fcd98eea154ca38565286f422d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e90132a683bb5f8488e48e11b7d8f55e93ae97fcd98eea154ca38565286f422d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e90132a683bb5f8488e48e11b7d8f55e93ae97fcd98eea154ca38565286f422d", kill_on_drop: false }` [INFO] [stdout] e90132a683bb5f8488e48e11b7d8f55e93ae97fcd98eea154ca38565286f422d [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] cf58b80d4698175f56c172323b3c0a7a3f80c02315a737afaf6c45000b17d310 [INFO] running `Command { std: "docker" "start" "-a" "cf58b80d4698175f56c172323b3c0a7a3f80c02315a737afaf6c45000b17d310", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.149 [INFO] [stderr] Compiling getrandom v0.2.10 [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 guess_game v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `t` should have an upper camel case name [INFO] [stdout] --> src/main.rs:5:6 [INFO] [stdout] | [INFO] [stdout] 5 | type t = (i32, f64); [INFO] [stdout] | ^ help: convert the identifier to upper camel case: `T` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:28:10 [INFO] [stdout] | [INFO] [stdout] 28 | let (x, y) = tup; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `d` [INFO] [stdout] --> src/main.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | let d: [i32; 5] = [3; 5]; //array [ type : length] [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/main.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let f = if number < 0 { 1 } else { 2 }; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.80s [INFO] running `Command { std: "docker" "inspect" "cf58b80d4698175f56c172323b3c0a7a3f80c02315a737afaf6c45000b17d310", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf58b80d4698175f56c172323b3c0a7a3f80c02315a737afaf6c45000b17d310", kill_on_drop: false }` [INFO] [stdout] cf58b80d4698175f56c172323b3c0a7a3f80c02315a737afaf6c45000b17d310 [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] 31f601fdb02b60f42b8b3d7b664cadbaccc05b6ae9139109e257aa29bd9ca5f6 [INFO] running `Command { std: "docker" "start" "-a" "31f601fdb02b60f42b8b3d7b664cadbaccc05b6ae9139109e257aa29bd9ca5f6", kill_on_drop: false }` [INFO] [stderr] Compiling guess_game v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `t` should have an upper camel case name [INFO] [stdout] --> src/main.rs:5:6 [INFO] [stdout] | [INFO] [stdout] 5 | type t = (i32, f64); [INFO] [stdout] | ^ help: convert the identifier to upper camel case: `T` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:28:10 [INFO] [stdout] | [INFO] [stdout] 28 | let (x, y) = tup; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `d` [INFO] [stdout] --> src/main.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | let d: [i32; 5] = [3; 5]; //array [ type : length] [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/main.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let f = if number < 0 { 1 } else { 2 }; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s [INFO] running `Command { std: "docker" "inspect" "31f601fdb02b60f42b8b3d7b664cadbaccc05b6ae9139109e257aa29bd9ca5f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31f601fdb02b60f42b8b3d7b664cadbaccc05b6ae9139109e257aa29bd9ca5f6", kill_on_drop: false }` [INFO] [stdout] 31f601fdb02b60f42b8b3d7b664cadbaccc05b6ae9139109e257aa29bd9ca5f6