[INFO] fetching crate supermemo2 1.0.3...
[INFO] testing supermemo2-1.0.3 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate supermemo2 1.0.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate supermemo2 1.0.3 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate supermemo2 1.0.3
[INFO] finished tweaking crates.io crate supermemo2 1.0.3
[INFO] tweaked toml for crates.io crate supermemo2 1.0.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c225f8a402bf158eb7f03b0ad822afc180babd740ecef4e2fde83493f3e3c23d
[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" "c225f8a402bf158eb7f03b0ad822afc180babd740ecef4e2fde83493f3e3c23d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c225f8a402bf158eb7f03b0ad822afc180babd740ecef4e2fde83493f3e3c23d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c225f8a402bf158eb7f03b0ad822afc180babd740ecef4e2fde83493f3e3c23d", kill_on_drop: false }`
[INFO] [stdout] c225f8a402bf158eb7f03b0ad822afc180babd740ecef4e2fde83493f3e3c23d
[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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", 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] 4fbe37e38fd9f3b0fbd74c0ebcf1c352b2d6b7f0fc3dbd221a10c13cabf79158
[INFO] running `Command { std: "docker" "start" "-a" "4fbe37e38fd9f3b0fbd74c0ebcf1c352b2d6b7f0fc3dbd221a10c13cabf79158", kill_on_drop: false }`
[INFO] [stderr]    Compiling supermemo2 v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "4fbe37e38fd9f3b0fbd74c0ebcf1c352b2d6b7f0fc3dbd221a10c13cabf79158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fbe37e38fd9f3b0fbd74c0ebcf1c352b2d6b7f0fc3dbd221a10c13cabf79158", kill_on_drop: false }`
[INFO] [stdout] 4fbe37e38fd9f3b0fbd74c0ebcf1c352b2d6b7f0fc3dbd221a10c13cabf79158
[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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", 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] bc90eb962fef036318657fbcd74b20c65bcff20dbc3219d6519f1431353118da
[INFO] running `Command { std: "docker" "start" "-a" "bc90eb962fef036318657fbcd74b20c65bcff20dbc3219d6519f1431353118da", kill_on_drop: false }`
[INFO] [stderr]    Compiling supermemo2 v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/supermemo2-ed0bab2a50255d77)
[INFO] running `Command { std: "docker" "inspect" "bc90eb962fef036318657fbcd74b20c65bcff20dbc3219d6519f1431353118da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc90eb962fef036318657fbcd74b20c65bcff20dbc3219d6519f1431353118da", kill_on_drop: false }`
[INFO] [stdout] bc90eb962fef036318657fbcd74b20c65bcff20dbc3219d6519f1431353118da
[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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] cf725991c1936686d200deca2abe9e71fa80708e6f81ab9331123826b6f883e1
[INFO] running `Command { std: "docker" "start" "-a" "cf725991c1936686d200deca2abe9e71fa80708e6f81ab9331123826b6f883e1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.57s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/supermemo2-ed0bab2a50255d77)
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::calculate_interval ... ok
[INFO] [stdout] test tests::review_gives_correct_repetitions_and_efactor ... ok
[INFO] [stdout] test tests::correct_default_values ... ok
[INFO] [stdout] test tests::quality_above_5_returns_error - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests supermemo2
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.55s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cf725991c1936686d200deca2abe9e71fa80708e6f81ab9331123826b6f883e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf725991c1936686d200deca2abe9e71fa80708e6f81ab9331123826b6f883e1", kill_on_drop: false }`
[INFO] [stdout] cf725991c1936686d200deca2abe9e71fa80708e6f81ab9331123826b6f883e1