[INFO] updating cached repository https://github.com/yurrriq/rust-in-action [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b972d1bc6b8409c446ff7310117b96eabbf52cd8 [INFO] testing yurrriq/rust-in-action against 1.45.2 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyurrriq%2Frust-in-action" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yurrriq/rust-in-action on toolchain 1.45.2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/yurrriq/rust-in-action [INFO] finished tweaking git repo https://github.com/yurrriq/rust-in-action [INFO] tweaked toml for git repo https://github.com/yurrriq/rust-in-action written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/yurrriq/rust-in-action already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5f9f37ff7c2ecea36199d02b8b009382f554792e821326c77d4b9cb9c00c5e01 [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" "5f9f37ff7c2ecea36199d02b8b009382f554792e821326c77d4b9cb9c00c5e01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5f9f37ff7c2ecea36199d02b8b009382f554792e821326c77d4b9cb9c00c5e01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f9f37ff7c2ecea36199d02b8b009382f554792e821326c77d4b9cb9c00c5e01", kill_on_drop: false }` [INFO] [stdout] 5f9f37ff7c2ecea36199d02b8b009382f554792e821326c77d4b9cb9c00c5e01 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ab7d8197aabf6dcb556cae3231dc89b92d1059ff0e684b46539ce396bdbebcb4 [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" "ab7d8197aabf6dcb556cae3231dc89b92d1059ff0e684b46539ce396bdbebcb4", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Compiling rand v0.6.1 [INFO] [stderr] Compiling aho-corasick v0.6.9 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling rust-in-action v0.3.20 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `sat_a` [INFO] [stdout] --> src/bin/ch4-check-sats.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let sat_a = check_status(sat_a); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_sat_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sat_a` [INFO] [stdout] --> src/bin/ch4-check-sat.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let sat_a = check_status(sat_a); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_sat_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.65s [INFO] running `Command { std: "docker" "inspect" "ab7d8197aabf6dcb556cae3231dc89b92d1059ff0e684b46539ce396bdbebcb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab7d8197aabf6dcb556cae3231dc89b92d1059ff0e684b46539ce396bdbebcb4", kill_on_drop: false }` [INFO] [stdout] ab7d8197aabf6dcb556cae3231dc89b92d1059ff0e684b46539ce396bdbebcb4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2dab1a90ed4d7c9c170fee6f67fd58368e06f0331923577de1d52d3f04448428 [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" "2dab1a90ed4d7c9c170fee6f67fd58368e06f0331923577de1d52d3f04448428", kill_on_drop: false }` [INFO] [stderr] Compiling rust-in-action v0.3.20 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `sat_a` [INFO] [stdout] --> src/bin/ch4-check-sat.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let sat_a = check_status(sat_a); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_sat_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sat_a` [INFO] [stdout] --> src/bin/ch4-check-sats.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let sat_a = check_status(sat_a); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_sat_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.41s [INFO] running `Command { std: "docker" "inspect" "2dab1a90ed4d7c9c170fee6f67fd58368e06f0331923577de1d52d3f04448428", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2dab1a90ed4d7c9c170fee6f67fd58368e06f0331923577de1d52d3f04448428", kill_on_drop: false }` [INFO] [stdout] 2dab1a90ed4d7c9c170fee6f67fd58368e06f0331923577de1d52d3f04448428 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] bca1a808db37dada52482f475424b1edcad6246bc54d1a84f6b410c3b02c18cd [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" "bca1a808db37dada52482f475424b1edcad6246bc54d1a84f6b410c3b02c18cd", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `sat_a` [INFO] [stderr] --> src/bin/ch4-check-sat.rs:22:9 [INFO] [stderr] | [INFO] [stderr] 22 | let sat_a = check_status(sat_a); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_sat_a` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sat_a` [INFO] [stderr] --> src/bin/ch4-check-sats.rs:22:9 [INFO] [stderr] | [INFO] [stderr] 22 | let sat_a = check_status(sat_a); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_sat_a` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.26s [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/ch2_first_steps-65dff23233d51d1e [INFO] [stdout] running 0 tests [INFO] [stderr] Running /opt/rustwide/target/debug/deps/ch2_generic_with_traits-b2f6c41a7b3dde5f [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/ch2_introducing_vec-c4a88b8a2b9887e5 [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [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 [INFO] [stdout] [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 [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/ch2_match_needles-e9a6cc152236f072 [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/ch2_needle_in_haystack-a76df8f80a46ff9b [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] [stderr] Running /opt/rustwide/target/debug/deps/ch2_non_base2-25b87119315257de [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 [INFO] [stdout] [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 [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/ch2_searching_with_regex-20c672d9f4d6c14f [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 [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/ch2_simple_with_enumerate-d0250c430fc02aef [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/ch2_traversing_arrays-52c7a594b6a5d055 [INFO] [stdout] running 0 tests [INFO] [stderr] Running /opt/rustwide/target/debug/deps/ch3_mock_files-06a9d49f7494fe67 [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [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 [INFO] [stdout] [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 [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/ch4_check_sat-7f6f16dd8ea54fc4 [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 [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/ch4_check_sats-a2ff8cf6df72e56e [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/ch4_sat_mailbox-89012d7dd19a45c8 [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] [stdout] [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" "bca1a808db37dada52482f475424b1edcad6246bc54d1a84f6b410c3b02c18cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bca1a808db37dada52482f475424b1edcad6246bc54d1a84f6b410c3b02c18cd", kill_on_drop: false }` [INFO] [stdout] bca1a808db37dada52482f475424b1edcad6246bc54d1a84f6b410c3b02c18cd