[INFO] cloning repository https://github.com/TheFunctionalGuy/cracking-the-coding-interview-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheFunctionalGuy/cracking-the-coding-interview-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheFunctionalGuy%2Fcracking-the-coding-interview-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheFunctionalGuy%2Fcracking-the-coding-interview-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e3fdebe618bd547ac0086826ff9aaa75a31334ab [INFO] testing TheFunctionalGuy/cracking-the-coding-interview-rust against 1.49.0 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheFunctionalGuy%2Fcracking-the-coding-interview-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/TheFunctionalGuy/cracking-the-coding-interview-rust on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/TheFunctionalGuy/cracking-the-coding-interview-rust [INFO] finished tweaking git repo https://github.com/TheFunctionalGuy/cracking-the-coding-interview-rust [INFO] tweaked toml for git repo https://github.com/TheFunctionalGuy/cracking-the-coding-interview-rust written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/TheFunctionalGuy/cracking-the-coding-interview-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 707ae7f810230dbaa17be125980b01818e972cb001eecda89bc1cd6ccd5dc8ab [INFO] running `Command { std: "docker" "start" "-a" "707ae7f810230dbaa17be125980b01818e972cb001eecda89bc1cd6ccd5dc8ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "707ae7f810230dbaa17be125980b01818e972cb001eecda89bc1cd6ccd5dc8ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "707ae7f810230dbaa17be125980b01818e972cb001eecda89bc1cd6ccd5dc8ab", kill_on_drop: false }` [INFO] [stdout] 707ae7f810230dbaa17be125980b01818e972cb001eecda89bc1cd6ccd5dc8ab [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=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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 69c0e584017b1e9df2f841580626816b57fbb500130e007030908046b73373de [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "69c0e584017b1e9df2f841580626816b57fbb500130e007030908046b73373de", kill_on_drop: false }` [INFO] [stderr] Compiling cracking-the-coding-interview-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.68s [INFO] running `Command { std: "docker" "inspect" "69c0e584017b1e9df2f841580626816b57fbb500130e007030908046b73373de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "69c0e584017b1e9df2f841580626816b57fbb500130e007030908046b73373de", kill_on_drop: false }` [INFO] [stdout] 69c0e584017b1e9df2f841580626816b57fbb500130e007030908046b73373de [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=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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] af56c30af752dae1fa0d95045b0f6f699f1c4eadde7754d234b2161759a58e9b [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "af56c30af752dae1fa0d95045b0f6f699f1c4eadde7754d234b2161759a58e9b", kill_on_drop: false }` [INFO] [stderr] Compiling cracking-the-coding-interview-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.76s [INFO] running `Command { std: "docker" "inspect" "af56c30af752dae1fa0d95045b0f6f699f1c4eadde7754d234b2161759a58e9b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af56c30af752dae1fa0d95045b0f6f699f1c4eadde7754d234b2161759a58e9b", kill_on_drop: false }` [INFO] [stdout] af56c30af752dae1fa0d95045b0f6f699f1c4eadde7754d234b2161759a58e9b [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=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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4d5f44a78c743c63c9794df81d8acaea59289aa7c4e765ccaa0dcf0fb7c6dc66 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "4d5f44a78c743c63c9794df81d8acaea59289aa7c4e765ccaa0dcf0fb7c6dc66", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/cracking_the_coding_interview_rust-346ebe9315d54845 [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4d5f44a78c743c63c9794df81d8acaea59289aa7c4e765ccaa0dcf0fb7c6dc66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d5f44a78c743c63c9794df81d8acaea59289aa7c4e765ccaa0dcf0fb7c6dc66", kill_on_drop: false }` [INFO] [stdout] 4d5f44a78c743c63c9794df81d8acaea59289aa7c4e765ccaa0dcf0fb7c6dc66