[INFO] fetching crate dicegen 0.1.0... [INFO] testing dicegen-0.1.0 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate dicegen 0.1.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate dicegen 0.1.0 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate dicegen 0.1.0 [INFO] finished tweaking crates.io crate dicegen 0.1.0 [INFO] tweaked toml for crates.io crate dicegen 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate crates.io crate dicegen 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a75d6b34e4b20f50f4511c7decffccef7139057c1daa8edd6a1506f7272c9af6 [INFO] running `Command { std: "docker" "start" "-a" "a75d6b34e4b20f50f4511c7decffccef7139057c1daa8edd6a1506f7272c9af6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a75d6b34e4b20f50f4511c7decffccef7139057c1daa8edd6a1506f7272c9af6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a75d6b34e4b20f50f4511c7decffccef7139057c1daa8edd6a1506f7272c9af6", kill_on_drop: false }` [INFO] [stdout] a75d6b34e4b20f50f4511c7decffccef7139057c1daa8edd6a1506f7272c9af6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5a6433a4f536e12adf82df601b6642c47a50043fd79ed5c745741a250ee6b1cf [INFO] running `Command { std: "docker" "start" "-a" "5a6433a4f536e12adf82df601b6642c47a50043fd79ed5c745741a250ee6b1cf", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling getrandom v0.2.1 [INFO] [stderr] Compiling rand_core v0.6.1 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling rand v0.8.1 [INFO] [stderr] Compiling dicegen v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `read_lines` [INFO] [stdout] --> src/utils.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn read_lines

(filename: P) -> io::Result>> [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.80s [INFO] running `Command { std: "docker" "inspect" "5a6433a4f536e12adf82df601b6642c47a50043fd79ed5c745741a250ee6b1cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a6433a4f536e12adf82df601b6642c47a50043fd79ed5c745741a250ee6b1cf", kill_on_drop: false }` [INFO] [stdout] 5a6433a4f536e12adf82df601b6642c47a50043fd79ed5c745741a250ee6b1cf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ea72aede1d9f8b704d09a7113b35cff5742aa767c2ba62075d87d479c47987c9 [INFO] running `Command { std: "docker" "start" "-a" "ea72aede1d9f8b704d09a7113b35cff5742aa767c2ba62075d87d479c47987c9", kill_on_drop: false }` [INFO] [stderr] Compiling dicegen v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `read_lines` [INFO] [stdout] --> src/utils.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn read_lines

(filename: P) -> io::Result>> [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 11.44s [INFO] running `Command { std: "docker" "inspect" "ea72aede1d9f8b704d09a7113b35cff5742aa767c2ba62075d87d479c47987c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea72aede1d9f8b704d09a7113b35cff5742aa767c2ba62075d87d479c47987c9", kill_on_drop: false }` [INFO] [stdout] ea72aede1d9f8b704d09a7113b35cff5742aa767c2ba62075d87d479c47987c9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b226705fa1daf6edcdb7b1da6af061495169b58e67309b90906b54170c89ba3f [INFO] running `Command { std: "docker" "start" "-a" "b226705fa1daf6edcdb7b1da6af061495169b58e67309b90906b54170c89ba3f", kill_on_drop: false }` [INFO] [stderr] warning: function is never used: `read_lines` [INFO] [stderr] --> src/utils.rs:5:8 [INFO] [stderr] | [INFO] [stderr] 5 | pub fn read_lines

(filename: P) -> io::Result>> [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `dicegen` (bin "dicegen" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/dicegen-8a4cf75b38909b3f) [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" "b226705fa1daf6edcdb7b1da6af061495169b58e67309b90906b54170c89ba3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b226705fa1daf6edcdb7b1da6af061495169b58e67309b90906b54170c89ba3f", kill_on_drop: false }` [INFO] [stdout] b226705fa1daf6edcdb7b1da6af061495169b58e67309b90906b54170c89ba3f