[INFO] fetching crate supermemo2 1.0.3...
[INFO] testing supermemo2-1.0.3 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate supermemo2 1.0.3 into /workspace/builds/worker-109/source
[INFO] validating manifest of crates.io crate supermemo2 1.0.3 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-109/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2497ceb054fe13bd2c4190323c8bacc610d9fd9c74e1cba761218c00783221c1
[INFO] running `Command { std: "docker" "start" "-a" "2497ceb054fe13bd2c4190323c8bacc610d9fd9c74e1cba761218c00783221c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2497ceb054fe13bd2c4190323c8bacc610d9fd9c74e1cba761218c00783221c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2497ceb054fe13bd2c4190323c8bacc610d9fd9c74e1cba761218c00783221c1", kill_on_drop: false }`
[INFO] [stdout] 2497ceb054fe13bd2c4190323c8bacc610d9fd9c74e1cba761218c00783221c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35aabc4115d8ce4376718f2a97cfd025586b025fb0d4379ee8fad2552f1f784a
[INFO] running `Command { std: "docker" "start" "-a" "35aabc4115d8ce4376718f2a97cfd025586b025fb0d4379ee8fad2552f1f784a", kill_on_drop: false }`
[INFO] [stderr]    Compiling supermemo2 v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "35aabc4115d8ce4376718f2a97cfd025586b025fb0d4379ee8fad2552f1f784a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35aabc4115d8ce4376718f2a97cfd025586b025fb0d4379ee8fad2552f1f784a", kill_on_drop: false }`
[INFO] [stdout] 35aabc4115d8ce4376718f2a97cfd025586b025fb0d4379ee8fad2552f1f784a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0f3152dc0e262d678012313edca472175ecd5373c53be164b864bb785a93110
[INFO] running `Command { std: "docker" "start" "-a" "d0f3152dc0e262d678012313edca472175ecd5373c53be164b864bb785a93110", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling supermemo2 v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "d0f3152dc0e262d678012313edca472175ecd5373c53be164b864bb785a93110", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0f3152dc0e262d678012313edca472175ecd5373c53be164b864bb785a93110", kill_on_drop: false }`
[INFO] [stdout] d0f3152dc0e262d678012313edca472175ecd5373c53be164b864bb785a93110
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0353fa6bb01a9e53c559f42a118f3783b954525c9cc858ffe75c2dc99f72aa0d
[INFO] running `Command { std: "docker" "start" "-a" "0353fa6bb01a9e53c559f42a118f3783b954525c9cc858ffe75c2dc99f72aa0d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.49s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/supermemo2-a6dfb9a528f6626c)
[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 - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[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 0.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0353fa6bb01a9e53c559f42a118f3783b954525c9cc858ffe75c2dc99f72aa0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0353fa6bb01a9e53c559f42a118f3783b954525c9cc858ffe75c2dc99f72aa0d", kill_on_drop: false }`
[INFO] [stdout] 0353fa6bb01a9e53c559f42a118f3783b954525c9cc858ffe75c2dc99f72aa0d