[INFO] fetching crate supermemo2 1.0.3...
[INFO] testing supermemo2-1.0.3 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate supermemo2 1.0.3 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate supermemo2 1.0.3 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4251093be1002d4a734ac22e69f3c837085dc134aa5ce2c2268d021254b3334
[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" "c4251093be1002d4a734ac22e69f3c837085dc134aa5ce2c2268d021254b3334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4251093be1002d4a734ac22e69f3c837085dc134aa5ce2c2268d021254b3334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4251093be1002d4a734ac22e69f3c837085dc134aa5ce2c2268d021254b3334", kill_on_drop: false }`
[INFO] [stdout] c4251093be1002d4a734ac22e69f3c837085dc134aa5ce2c2268d021254b3334
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9261d5be1f18fcf457417284a607231f1a7247b061af82df2dcd9dd21ab1446b
[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" "9261d5be1f18fcf457417284a607231f1a7247b061af82df2dcd9dd21ab1446b", kill_on_drop: false }`
[INFO] [stderr]    Compiling supermemo2 v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "9261d5be1f18fcf457417284a607231f1a7247b061af82df2dcd9dd21ab1446b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9261d5be1f18fcf457417284a607231f1a7247b061af82df2dcd9dd21ab1446b", kill_on_drop: false }`
[INFO] [stdout] 9261d5be1f18fcf457417284a607231f1a7247b061af82df2dcd9dd21ab1446b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 57a0b86c007657d783372f7fbaac3eb0546339a6332940ec7b6541447ed301b7
[INFO] running `Command { std: "docker" "start" "-a" "57a0b86c007657d783372f7fbaac3eb0546339a6332940ec7b6541447ed301b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling supermemo2 v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "57a0b86c007657d783372f7fbaac3eb0546339a6332940ec7b6541447ed301b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57a0b86c007657d783372f7fbaac3eb0546339a6332940ec7b6541447ed301b7", kill_on_drop: false }`
[INFO] [stdout] 57a0b86c007657d783372f7fbaac3eb0546339a6332940ec7b6541447ed301b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c0230d87a09aaf46724f0378a47e43bf7021f1bdc26396dc01a9b0dd62d4ca6d
[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" "c0230d87a09aaf46724f0378a47e43bf7021f1bdc26396dc01a9b0dd62d4ca6d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/supermemo2-db03d021699216cc)
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::correct_default_values ... ok
[INFO] [stdout] test tests::calculate_interval ... ok
[INFO] [stdout] test tests::review_gives_correct_repetitions_and_efactor ... ok
[INFO] [stderr]    Doc-tests supermemo2
[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 0.04s
[INFO] [stdout] 
[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 0.72s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c0230d87a09aaf46724f0378a47e43bf7021f1bdc26396dc01a9b0dd62d4ca6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0230d87a09aaf46724f0378a47e43bf7021f1bdc26396dc01a9b0dd62d4ca6d", kill_on_drop: false }`
[INFO] [stdout] c0230d87a09aaf46724f0378a47e43bf7021f1bdc26396dc01a9b0dd62d4ca6d