[INFO] cloning repository https://github.com/thewilliamchen/sandbox-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thewilliamchen/sandbox-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthewilliamchen%2Fsandbox-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthewilliamchen%2Fsandbox-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 988df17cb2ae5b83a6563bd94423e555a1f75401 [INFO] checking thewilliamchen/sandbox-rust against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthewilliamchen%2Fsandbox-rust" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/thewilliamchen/sandbox-rust on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/thewilliamchen/sandbox-rust [INFO] finished tweaking git repo https://github.com/thewilliamchen/sandbox-rust [INFO] tweaked toml for git repo https://github.com/thewilliamchen/sandbox-rust written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/thewilliamchen/sandbox-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e6c188219a84ba6183976f87ed5eaf8cc8c48ac11cd114e3913d485c153badca [INFO] running `Command { std: "docker" "start" "-a" "e6c188219a84ba6183976f87ed5eaf8cc8c48ac11cd114e3913d485c153badca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e6c188219a84ba6183976f87ed5eaf8cc8c48ac11cd114e3913d485c153badca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6c188219a84ba6183976f87ed5eaf8cc8c48ac11cd114e3913d485c153badca", kill_on_drop: false }` [INFO] [stdout] e6c188219a84ba6183976f87ed5eaf8cc8c48ac11cd114e3913d485c153badca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9ec5b199497fcd12e3f389374cba523e420acf9a6725d870922d64b8190ca41e [INFO] running `Command { std: "docker" "start" "-a" "9ec5b199497fcd12e3f389374cba523e420acf9a6725d870922d64b8190ca41e", kill_on_drop: false }` [INFO] [stderr] Checking sandbox-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/main.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | let a = 69; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ii` [INFO] [stdout] --> src/main.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | fn lifetime<'a>(ii: & 'a i32) -> i32 { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ii` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `me` [INFO] [stdout] --> src/main.rs:12:4 [INFO] [stdout] | [INFO] [stdout] 12 | fn me(space: i32) -> bool { [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `lifetime` [INFO] [stdout] --> src/main.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn lifetime<'a>(ii: & 'a i32) -> i32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/main.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | let a = 69; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ii` [INFO] [stdout] --> src/main.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | fn lifetime<'a>(ii: & 'a i32) -> i32 { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ii` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `me` [INFO] [stdout] --> src/main.rs:12:4 [INFO] [stdout] | [INFO] [stdout] 12 | fn me(space: i32) -> bool { [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `lifetime` [INFO] [stdout] --> src/main.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn lifetime<'a>(ii: & 'a i32) -> i32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.30s [INFO] running `Command { std: "docker" "inspect" "9ec5b199497fcd12e3f389374cba523e420acf9a6725d870922d64b8190ca41e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ec5b199497fcd12e3f389374cba523e420acf9a6725d870922d64b8190ca41e", kill_on_drop: false }` [INFO] [stdout] 9ec5b199497fcd12e3f389374cba523e420acf9a6725d870922d64b8190ca41e