[INFO] crate conjecture 0.4.0 is already in cache [INFO] testing conjecture-0.4.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274 [INFO] extracting crate conjecture 0.4.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate conjecture 0.4.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16 [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate conjecture 0.4.0 [INFO] finished tweaking crates.io crate conjecture 0.4.0 [INFO] tweaked toml for crates.io crate conjecture 0.4.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 97e639d05865b861b5e026165d5c9e62f5698791cf98a1706d621d50811d6a32 [INFO] running `"docker" "start" "-a" "97e639d05865b861b5e026165d5c9e62f5698791cf98a1706d621d50811d6a32"` [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling openssl v0.10.29 [INFO] [stderr] Compiling foreign-types-shared v0.1.1 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling hex v0.3.2 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling foreign-types v0.3.2 [INFO] [stderr] Compiling openssl-sys v0.9.55 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling crypto-hash v0.3.4 [INFO] [stderr] Compiling conjecture v0.4.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/database.rs:17:30 [INFO] [stderr] | [INFO] [stderr] 17 | pub type BoxedDatabase = Box; [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn Database` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/engine.rs:157:21 [INFO] [stderr] | [INFO] [stderr] 157 | let mut minimized_examples = &mut self.minimized_examples; [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/engine.rs:158:21 [INFO] [stderr] | [INFO] [stderr] 158 | let mut database = &mut self.database; [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 18.67s [INFO] running `"docker" "inspect" "97e639d05865b861b5e026165d5c9e62f5698791cf98a1706d621d50811d6a32"` [INFO] running `"docker" "rm" "-f" "97e639d05865b861b5e026165d5c9e62f5698791cf98a1706d621d50811d6a32"` [INFO] [stdout] 97e639d05865b861b5e026165d5c9e62f5698791cf98a1706d621d50811d6a32 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] a5acc30d9634b6ebe1d5331b5393492fd723106c650a96de137c8799f3621df8 [INFO] running `"docker" "start" "-a" "a5acc30d9634b6ebe1d5331b5393492fd723106c650a96de137c8799f3621df8"` [INFO] [stderr] Compiling remove_dir_all v0.5.2 [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/database.rs:17:30 [INFO] [stderr] | [INFO] [stderr] 17 | pub type BoxedDatabase = Box; [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn Database` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/engine.rs:157:21 [INFO] [stderr] | [INFO] [stderr] 157 | let mut minimized_examples = &mut self.minimized_examples; [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/engine.rs:158:21 [INFO] [stderr] | [INFO] [stderr] 158 | let mut database = &mut self.database; [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Compiling conjecture v0.4.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/database.rs:17:30 [INFO] [stderr] | [INFO] [stderr] 17 | pub type BoxedDatabase = Box; [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn Database` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/engine.rs:157:21 [INFO] [stderr] | [INFO] [stderr] 157 | let mut minimized_examples = &mut self.minimized_examples; [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/engine.rs:158:21 [INFO] [stderr] | [INFO] [stderr] 158 | let mut database = &mut self.database; [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.98s [INFO] running `"docker" "inspect" "a5acc30d9634b6ebe1d5331b5393492fd723106c650a96de137c8799f3621df8"` [INFO] running `"docker" "rm" "-f" "a5acc30d9634b6ebe1d5331b5393492fd723106c650a96de137c8799f3621df8"` [INFO] [stdout] a5acc30d9634b6ebe1d5331b5393492fd723106c650a96de137c8799f3621df8 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 4aa8a27bf19a86daa46744e1123cf6ebbc57e74c8fc78c88f5fb26e9ea3ec4f1 [INFO] running `"docker" "start" "-a" "4aa8a27bf19a86daa46744e1123cf6ebbc57e74c8fc78c88f5fb26e9ea3ec4f1"` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/database.rs:17:30 [INFO] [stderr] | [INFO] [stderr] 17 | pub type BoxedDatabase = Box; [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn Database` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/engine.rs:157:21 [INFO] [stderr] | [INFO] [stderr] 157 | let mut minimized_examples = &mut self.minimized_examples; [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/engine.rs:158:21 [INFO] [stderr] | [INFO] [stderr] 158 | let mut database = &mut self.database; [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/database.rs:17:30 [INFO] [stderr] | [INFO] [stderr] 17 | pub type BoxedDatabase = Box; [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn Database` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/engine.rs:157:21 [INFO] [stderr] | [INFO] [stderr] 157 | let mut minimized_examples = &mut self.minimized_examples; [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/engine.rs:158:21 [INFO] [stderr] | [INFO] [stderr] 158 | let mut database = &mut self.database; [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/conjecture-f31527dcce9352a3 [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test intminimize::tests::sort_bits ... ok [INFO] [stdout] test intminimize::tests::minimize_down_to ... ok [INFO] [stdout] test intminimize::tests::unset_relevant_bits ... ok [INFO] [stdout] test database::tests::can_delete_key ... ok [INFO] [stdout] test database::tests::appears_in_listing_after_saving ... ok [INFO] [stdout] test database::tests::can_delete_non_existing_key ... ok [INFO] [stdout] test engine::tests::minimizes_all_examples ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests conjecture [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "4aa8a27bf19a86daa46744e1123cf6ebbc57e74c8fc78c88f5fb26e9ea3ec4f1"` [INFO] running `"docker" "rm" "-f" "4aa8a27bf19a86daa46744e1123cf6ebbc57e74c8fc78c88f5fb26e9ea3ec4f1"` [INFO] [stdout] 4aa8a27bf19a86daa46744e1123cf6ebbc57e74c8fc78c88f5fb26e9ea3ec4f1