[INFO] fetching crate spaced-repetition-rs 0.1.0...
[INFO] testing spaced-repetition-rs-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate spaced-repetition-rs 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate spaced-repetition-rs 0.1.0
[INFO] finished tweaking crates.io crate spaced-repetition-rs 0.1.0
[INFO] tweaked toml for crates.io crate spaced-repetition-rs 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate spaced-repetition-rs 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 34 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9488d029775a99f1c414a9cc88d9515a0db45472a5be451877bfae04ff3d701
[INFO] running `Command { std: "docker" "start" "-a" "a9488d029775a99f1c414a9cc88d9515a0db45472a5be451877bfae04ff3d701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9488d029775a99f1c414a9cc88d9515a0db45472a5be451877bfae04ff3d701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9488d029775a99f1c414a9cc88d9515a0db45472a5be451877bfae04ff3d701", kill_on_drop: false }`
[INFO] [stdout] a9488d029775a99f1c414a9cc88d9515a0db45472a5be451877bfae04ff3d701
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7abd4a851d8b62340c9de77931afaa876f5062e1cfe09b3587fc74186d213be
[INFO] running `Command { std: "docker" "start" "-a" "c7abd4a851d8b62340c9de77931afaa876f5062e1cfe09b3587fc74186d213be", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling spaced-repetition-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.37s
[INFO] running `Command { std: "docker" "inspect" "c7abd4a851d8b62340c9de77931afaa876f5062e1cfe09b3587fc74186d213be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7abd4a851d8b62340c9de77931afaa876f5062e1cfe09b3587fc74186d213be", kill_on_drop: false }`
[INFO] [stdout] c7abd4a851d8b62340c9de77931afaa876f5062e1cfe09b3587fc74186d213be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 412baa396b40274c480951463dd8357fcdc3ba988a979502c904373f8562a769
[INFO] running `Command { std: "docker" "start" "-a" "412baa396b40274c480951463dd8357fcdc3ba988a979502c904373f8562a769", kill_on_drop: false }`
[INFO] [stderr]    Compiling spaced-repetition-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `chrono::DateTime::<Tz>::from_utc`: Use TimeZone::from_utc_datetime() or DateTime::from_naive_utc_and_offset instead
[INFO] [stdout]   --> src/tests.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 |     DateTime::<Utc>::from_utc(
[INFO] [stdout]    |                      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::NaiveDate::from_ymd`: use `from_ymd_opt()` instead
[INFO] [stdout]   --> src/tests.rs:27:24
[INFO] [stdout]    |
[INFO] [stdout] 27 |             NaiveDate::from_ymd(2000, 1, 1),
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::NaiveTime::from_hms`: use `from_hms_opt()` instead
[INFO] [stdout]   --> src/tests.rs:28:24
[INFO] [stdout]    |
[INFO] [stdout] 28 |             NaiveTime::from_hms(1, 0, 0),
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "412baa396b40274c480951463dd8357fcdc3ba988a979502c904373f8562a769", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "412baa396b40274c480951463dd8357fcdc3ba988a979502c904373f8562a769", kill_on_drop: false }`
[INFO] [stdout] 412baa396b40274c480951463dd8357fcdc3ba988a979502c904373f8562a769
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b17e3955346d53342b9fdc56c9753e5ddb7cb6f174ead149bbf0b34fd32e8774
[INFO] running `Command { std: "docker" "start" "-a" "b17e3955346d53342b9fdc56c9753e5ddb7cb6f174ead149bbf0b34fd32e8774", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `chrono::DateTime::<Tz>::from_utc`: Use TimeZone::from_utc_datetime() or DateTime::from_naive_utc_and_offset instead
[INFO] [stderr]   --> src/tests.rs:25:22
[INFO] [stderr]    |
[INFO] [stderr] 25 |     DateTime::<Utc>::from_utc(
[INFO] [stderr]    |                      ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `chrono::NaiveDate::from_ymd`: use `from_ymd_opt()` instead
[INFO] [stderr]   --> src/tests.rs:27:24
[INFO] [stderr]    |
[INFO] [stderr] 27 |             NaiveDate::from_ymd(2000, 1, 1),
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `chrono::NaiveTime::from_hms`: use `from_hms_opt()` instead
[INFO] [stderr]   --> src/tests.rs:28:24
[INFO] [stderr]    |
[INFO] [stderr] 28 |             NaiveTime::from_hms(1, 0, 0),
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `spaced-repetition-rs` (lib test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/spaced_repetition_rs-3cd68dc6dfa98ae2)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_reviewing_phase ... ok
[INFO] [stdout] test tests::test_learning_phase_normal ... ok
[INFO] [stdout] test tests::test_learning_phase_hard ... ok
[INFO] [stdout] test tests::test_learning_phase_easy ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests spaced_repetition_rs
[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" "b17e3955346d53342b9fdc56c9753e5ddb7cb6f174ead149bbf0b34fd32e8774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b17e3955346d53342b9fdc56c9753e5ddb7cb6f174ead149bbf0b34fd32e8774", kill_on_drop: false }`
[INFO] [stdout] b17e3955346d53342b9fdc56c9753e5ddb7cb6f174ead149bbf0b34fd32e8774