[INFO] crate supermemo2 1.0.3 is already in cache
[INFO] testing supermemo2-1.0.3 against 1.44.0 for beta-1.45-1
[INFO] extracting crate supermemo2 1.0.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate supermemo2 1.0.3 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] cb0c7af2572e8c85b2379b8f1d022c0391d80c4905439f40c3a02e4eaf4833c9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "cb0c7af2572e8c85b2379b8f1d022c0391d80c4905439f40c3a02e4eaf4833c9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling supermemo2 v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `"docker" "inspect" "cb0c7af2572e8c85b2379b8f1d022c0391d80c4905439f40c3a02e4eaf4833c9"`
[INFO] running `"docker" "rm" "-f" "cb0c7af2572e8c85b2379b8f1d022c0391d80c4905439f40c3a02e4eaf4833c9"`
[INFO] [stdout] cb0c7af2572e8c85b2379b8f1d022c0391d80c4905439f40c3a02e4eaf4833c9
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1efc9695e200eedfa4c72a76db39362c74460c5cffce514fc1334dd429e1925b
[INFO] running `"docker" "start" "-a" "1efc9695e200eedfa4c72a76db39362c74460c5cffce514fc1334dd429e1925b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling supermemo2 v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "1efc9695e200eedfa4c72a76db39362c74460c5cffce514fc1334dd429e1925b"`
[INFO] running `"docker" "rm" "-f" "1efc9695e200eedfa4c72a76db39362c74460c5cffce514fc1334dd429e1925b"`
[INFO] [stdout] 1efc9695e200eedfa4c72a76db39362c74460c5cffce514fc1334dd429e1925b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 40df91453e39e6a3c2a3f54c98844e2975d79b9be5483b22bec18399ac51386e
[INFO] running `"docker" "start" "-a" "40df91453e39e6a3c2a3f54c98844e2975d79b9be5483b22bec18399ac51386e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/supermemo2-6d3cbc223d7b5653
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::calculate_interval ... ok
[INFO] [stdout] test tests::correct_default_values ... ok
[INFO] [stdout] test tests::review_gives_correct_repetitions_and_efactor ... ok
[INFO] [stdout] test tests::quality_above_5_returns_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "40df91453e39e6a3c2a3f54c98844e2975d79b9be5483b22bec18399ac51386e"`
[INFO] running `"docker" "rm" "-f" "40df91453e39e6a3c2a3f54c98844e2975d79b9be5483b22bec18399ac51386e"`
[INFO] [stdout] 40df91453e39e6a3c2a3f54c98844e2975d79b9be5483b22bec18399ac51386e