[INFO] cloning repository https://github.com/azengard/hello-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/azengard/hello-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazengard%2Fhello-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazengard%2Fhello-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5586f5c58001275e8b445ca5a89a4cea6b755863 [INFO] testing azengard/hello-rust against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazengard%2Fhello-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/azengard/hello-rust on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/azengard/hello-rust [INFO] finished tweaking git repo https://github.com/azengard/hello-rust [INFO] tweaked toml for git repo https://github.com/azengard/hello-rust written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/azengard/hello-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 538d1711c9a6756de0cb5d1b76c9ddc779ba759785cc068b610f308eb9d637db [INFO] running `Command { std: "docker" "start" "-a" "538d1711c9a6756de0cb5d1b76c9ddc779ba759785cc068b610f308eb9d637db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "538d1711c9a6756de0cb5d1b76c9ddc779ba759785cc068b610f308eb9d637db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "538d1711c9a6756de0cb5d1b76c9ddc779ba759785cc068b610f308eb9d637db", kill_on_drop: false }` [INFO] [stdout] 538d1711c9a6756de0cb5d1b76c9ddc779ba759785cc068b610f308eb9d637db [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a2b00312ebe7692693f58e1f334e3739323f6b01188cb69b8efce1511720b16d [INFO] running `Command { std: "docker" "start" "-a" "a2b00312ebe7692693f58e1f334e3739323f6b01188cb69b8efce1511720b16d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.32 [INFO] [stderr] Compiling rand v0.3.17 [INFO] [stderr] Compiling hello-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct is never constructed: `Nil` [INFO] [stdout] --> src/main.rs:80:8 [INFO] [stdout] | [INFO] [stdout] 80 | struct Nil; // unit struct [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Pair` [INFO] [stdout] --> src/main.rs:82:8 [INFO] [stdout] | [INFO] [stdout] 82 | struct Pair(i32, f32); //tuple struct [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.50s [INFO] running `Command { std: "docker" "inspect" "a2b00312ebe7692693f58e1f334e3739323f6b01188cb69b8efce1511720b16d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2b00312ebe7692693f58e1f334e3739323f6b01188cb69b8efce1511720b16d", kill_on_drop: false }` [INFO] [stdout] a2b00312ebe7692693f58e1f334e3739323f6b01188cb69b8efce1511720b16d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 64b78d8c8e1059c0028626ecd3f530a908cb6cfd42be594ef1676dea73bf116b [INFO] running `Command { std: "docker" "start" "-a" "64b78d8c8e1059c0028626ecd3f530a908cb6cfd42be594ef1676dea73bf116b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling hello-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct is never constructed: `Nil` [INFO] [stdout] --> src/main.rs:80:8 [INFO] [stdout] | [INFO] [stdout] 80 | struct Nil; // unit struct [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Pair` [INFO] [stdout] --> src/main.rs:82:8 [INFO] [stdout] | [INFO] [stdout] 82 | struct Pair(i32, f32); //tuple struct [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 9.63s [INFO] running `Command { std: "docker" "inspect" "64b78d8c8e1059c0028626ecd3f530a908cb6cfd42be594ef1676dea73bf116b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64b78d8c8e1059c0028626ecd3f530a908cb6cfd42be594ef1676dea73bf116b", kill_on_drop: false }` [INFO] [stdout] 64b78d8c8e1059c0028626ecd3f530a908cb6cfd42be594ef1676dea73bf116b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 64856a38c83bd98798ebc09dd43f2d227e94c5c9ec7b6b83bbd5f062fd2d9d6a [INFO] running `Command { std: "docker" "start" "-a" "64856a38c83bd98798ebc09dd43f2d227e94c5c9ec7b6b83bbd5f062fd2d9d6a", kill_on_drop: false }` [INFO] [stderr] warning: struct is never constructed: `Nil` [INFO] [stderr] --> src/main.rs:80:8 [INFO] [stderr] | [INFO] [stderr] 80 | struct Nil; // unit struct [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Pair` [INFO] [stderr] --> src/main.rs:82:8 [INFO] [stderr] | [INFO] [stderr] 82 | struct Pair(i32, f32); //tuple struct [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: `hello-rust` (bin "hello-rust" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/hello_rust-4dfabff9f8059c8c) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "64856a38c83bd98798ebc09dd43f2d227e94c5c9ec7b6b83bbd5f062fd2d9d6a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64856a38c83bd98798ebc09dd43f2d227e94c5c9ec7b6b83bbd5f062fd2d9d6a", kill_on_drop: false }` [INFO] [stdout] 64856a38c83bd98798ebc09dd43f2d227e94c5c9ec7b6b83bbd5f062fd2d9d6a