[INFO] fetching crate pips 0.2.5...
[INFO] testing pips-0.2.5 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate pips 0.2.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pips 0.2.5 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] removed /workspace/builds/worker-4/source/rust-toolchain
[INFO] started tweaking crates.io crate pips 0.2.5
[INFO] finished tweaking crates.io crate pips 0.2.5
[INFO] tweaked toml for crates.io crate pips 0.2.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2e0222b5d8078bf99723ac2db5a49d8acdef199af55dd1b65d3bd993b5015302
[INFO] running `Command { std: "docker" "start" "-a" "2e0222b5d8078bf99723ac2db5a49d8acdef199af55dd1b65d3bd993b5015302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e0222b5d8078bf99723ac2db5a49d8acdef199af55dd1b65d3bd993b5015302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e0222b5d8078bf99723ac2db5a49d8acdef199af55dd1b65d3bd993b5015302", kill_on_drop: false }`
[INFO] [stdout] 2e0222b5d8078bf99723ac2db5a49d8acdef199af55dd1b65d3bd993b5015302
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 3c9a9b7e175f299782ec6d1b9c98c1b0ca007a19b2ea3513f82ad051676f444e
[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" "3c9a9b7e175f299782ec6d1b9c98c1b0ca007a19b2ea3513f82ad051676f444e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling pips v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.68s
[INFO] running `Command { std: "docker" "inspect" "3c9a9b7e175f299782ec6d1b9c98c1b0ca007a19b2ea3513f82ad051676f444e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c9a9b7e175f299782ec6d1b9c98c1b0ca007a19b2ea3513f82ad051676f444e", kill_on_drop: false }`
[INFO] [stdout] 3c9a9b7e175f299782ec6d1b9c98c1b0ca007a19b2ea3513f82ad051676f444e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 4c8cc97fa3fb366676310078da6863d84f43d810c77da1616b0a0f053739696f
[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" "4c8cc97fa3fb366676310078da6863d84f43d810c77da1616b0a0f053739696f", kill_on_drop: false }`
[INFO] [stderr]    Compiling pips v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.18s
[INFO] running `Command { std: "docker" "inspect" "4c8cc97fa3fb366676310078da6863d84f43d810c77da1616b0a0f053739696f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c8cc97fa3fb366676310078da6863d84f43d810c77da1616b0a0f053739696f", kill_on_drop: false }`
[INFO] [stdout] 4c8cc97fa3fb366676310078da6863d84f43d810c77da1616b0a0f053739696f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] d822c365d6d8341c628ae44dd2574ca6cc1a465037ec68208952f1c729e7b3d1
[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" "d822c365d6d8341c628ae44dd2574ca6cc1a465037ec68208952f1c729e7b3d1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pips-0df0b5f64f897791)
[INFO] [stdout] running 18 tests
[INFO] [stdout] test expression::tests::contest_produces_correct_plot ... ignored
[INFO] [stdout] test expression::tests::simplify_produces_correct_table ... ok
[INFO] [stdout] test expression::tests::compare_produces_correct_plot ... ok
[INFO] [stdout] test expression::tests::difference_produces_correct_plot ... ok
[INFO] [stdout] test expression::tests::divide_produces_correct_plot ... ok
[INFO] [stdout] test parser::base_terms::tests::test_parse_constant ... ok
[INFO] [stdout] test expression::tests::sum_produces_correct_plot ... ok
[INFO] [stdout] test parser::base_terms::tests::test_parse_die ... ok
[INFO] [stdout] test expression::tests::multiply_produces_correct_plot ... ok
[INFO] [stdout] test parser::base_terms::tests::test_parse_number_success ... ok
[INFO] [stdout] test expression::tests::disadvantage_produces_correct_plot ... ok
[INFO] [stdout] test parser::parser::tests::test_parse ... ok
[INFO] [stdout] test parser::parser::tests::test_parse_compare ... ok
[INFO] [stdout] test parser::parser::tests::test_parse_parens ... ok
[INFO] [stdout] test parser::parser::tests::test_parse_expression ... ok
[INFO] [stdout] test parser::parser::tests::test_parse_sum ... ok
[INFO] [stdout] test expression::tests::advantage_produces_correct_plot ... ok
[INFO] [stdout] test parser::parser::tests::test_parse_unary_function ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pips
[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" "d822c365d6d8341c628ae44dd2574ca6cc1a465037ec68208952f1c729e7b3d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d822c365d6d8341c628ae44dd2574ca6cc1a465037ec68208952f1c729e7b3d1", kill_on_drop: false }`
[INFO] [stdout] d822c365d6d8341c628ae44dd2574ca6cc1a465037ec68208952f1c729e7b3d1