[INFO] cloning repository https://github.com/i1skn/i1db-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/i1skn/i1db-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi1skn%2Fi1db-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi1skn%2Fi1db-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] eda6884f511e028437b602dfd98b4184f3461244 [INFO] testing i1skn/i1db-rust against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi1skn%2Fi1db-rust" "/workspace/builds/worker-20/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/i1skn/i1db-rust on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/i1skn/i1db-rust [INFO] finished tweaking git repo https://github.com/i1skn/i1db-rust [INFO] tweaked toml for git repo https://github.com/i1skn/i1db-rust written to /workspace/builds/worker-20/source/Cargo.toml [INFO] crate git repo https://github.com/i1skn/i1db-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 29dd26e04cea2bfa1ee5980957cf368b5fec9c8097760f9b7e92cc70ff69a41b [INFO] running `Command { std: "docker" "start" "-a" "29dd26e04cea2bfa1ee5980957cf368b5fec9c8097760f9b7e92cc70ff69a41b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "29dd26e04cea2bfa1ee5980957cf368b5fec9c8097760f9b7e92cc70ff69a41b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29dd26e04cea2bfa1ee5980957cf368b5fec9c8097760f9b7e92cc70ff69a41b", kill_on_drop: false }` [INFO] [stdout] 29dd26e04cea2bfa1ee5980957cf368b5fec9c8097760f9b7e92cc70ff69a41b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 90c43f2bc05490669a722a3a67a07ced473dcfc99910cdad6c474522da3b0154 [INFO] running `Command { std: "docker" "start" "-a" "90c43f2bc05490669a722a3a67a07ced473dcfc99910cdad6c474522da3b0154", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Compiling syn v0.15.42 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling cc v1.0.38 [INFO] [stderr] Compiling serde v1.0.98 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling ppv-lite86 v0.2.5 [INFO] [stderr] Compiling rustc-demangle v0.1.15 [INFO] [stderr] Compiling c2-chacha v0.2.2 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Compiling getrandom v0.1.8 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling rand_core v0.5.0 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling rand v0.7.0 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Compiling backtrace v0.3.34 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling serde_derive v1.0.98 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] Compiling serde_json v1.0.40 [INFO] [stderr] Compiling i1db v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:227:22 [INFO] [stdout] | [INFO] [stdout] 227 | storage: &'a mut Storage, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 227 - storage: &'a mut Storage, [INFO] [stdout] 227 + storage: &'a mut dyn Storage, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:228:24 [INFO] [stdout] | [INFO] [stdout] 228 | algorithm: &'a mut Algorithm, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 228 - algorithm: &'a mut Algorithm, [INFO] [stdout] 228 + algorithm: &'a mut dyn Algorithm, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:234:26 [INFO] [stdout] | [INFO] [stdout] 234 | storage: &'a mut Storage, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 234 - storage: &'a mut Storage, [INFO] [stdout] 234 + storage: &'a mut dyn Storage, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:235:28 [INFO] [stdout] | [INFO] [stdout] 235 | algorithm: &'a mut Algorithm, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 235 - algorithm: &'a mut Algorithm, [INFO] [stdout] 235 + algorithm: &'a mut dyn Algorithm, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 23.00s [INFO] running `Command { std: "docker" "inspect" "90c43f2bc05490669a722a3a67a07ced473dcfc99910cdad6c474522da3b0154", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90c43f2bc05490669a722a3a67a07ced473dcfc99910cdad6c474522da3b0154", kill_on_drop: false }` [INFO] [stdout] 90c43f2bc05490669a722a3a67a07ced473dcfc99910cdad6c474522da3b0154 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 378a100e785bfb9c531a715c1ec45339071e5a30dc4274d23f36a031ef9a7367 [INFO] running `Command { std: "docker" "start" "-a" "378a100e785bfb9c531a715c1ec45339071e5a30dc4274d23f36a031ef9a7367", kill_on_drop: false }` [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:227:22 [INFO] [stdout] | [INFO] [stdout] 227 | storage: &'a mut Storage, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 227 - storage: &'a mut Storage, [INFO] [stdout] 227 + storage: &'a mut dyn Storage, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:228:24 [INFO] [stdout] | [INFO] [stdout] 228 | algorithm: &'a mut Algorithm, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 228 - algorithm: &'a mut Algorithm, [INFO] [stdout] 228 + algorithm: &'a mut dyn Algorithm, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:234:26 [INFO] [stdout] | [INFO] [stdout] 234 | storage: &'a mut Storage, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 234 - storage: &'a mut Storage, [INFO] [stdout] 234 + storage: &'a mut dyn Storage, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling i1db v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:235:28 [INFO] [stdout] | [INFO] [stdout] 235 | algorithm: &'a mut Algorithm, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 235 - algorithm: &'a mut Algorithm, [INFO] [stdout] 235 + algorithm: &'a mut dyn Algorithm, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:227:22 [INFO] [stdout] | [INFO] [stdout] 227 | storage: &'a mut Storage, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 227 - storage: &'a mut Storage, [INFO] [stdout] 227 + storage: &'a mut dyn Storage, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:228:24 [INFO] [stdout] | [INFO] [stdout] 228 | algorithm: &'a mut Algorithm, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 228 - algorithm: &'a mut Algorithm, [INFO] [stdout] 228 + algorithm: &'a mut dyn Algorithm, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:234:26 [INFO] [stdout] | [INFO] [stdout] 234 | storage: &'a mut Storage, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 234 - storage: &'a mut Storage, [INFO] [stdout] 234 + storage: &'a mut dyn Storage, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:235:28 [INFO] [stdout] | [INFO] [stdout] 235 | algorithm: &'a mut Algorithm, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 235 - algorithm: &'a mut Algorithm, [INFO] [stdout] 235 + algorithm: &'a mut dyn Algorithm, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.70s [INFO] running `Command { std: "docker" "inspect" "378a100e785bfb9c531a715c1ec45339071e5a30dc4274d23f36a031ef9a7367", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "378a100e785bfb9c531a715c1ec45339071e5a30dc4274d23f36a031ef9a7367", kill_on_drop: false }` [INFO] [stdout] 378a100e785bfb9c531a715c1ec45339071e5a30dc4274d23f36a031ef9a7367 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b75b5ea6be796a6d5d2533947e4fdbabb0af6e9cc82fc9305c5c454b70190f26 [INFO] running `Command { std: "docker" "start" "-a" "b75b5ea6be796a6d5d2533947e4fdbabb0af6e9cc82fc9305c5c454b70190f26", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:227:22 [INFO] [stderr] | [INFO] [stderr] 227 | storage: &'a mut Storage, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 227 - storage: &'a mut Storage, [INFO] [stderr] 227 + storage: &'a mut dyn Storage, [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:228:24 [INFO] [stderr] | [INFO] [stderr] 228 | algorithm: &'a mut Algorithm, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 228 - algorithm: &'a mut Algorithm, [INFO] [stderr] 228 + algorithm: &'a mut dyn Algorithm, [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:234:26 [INFO] [stderr] | [INFO] [stderr] 234 | storage: &'a mut Storage, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 234 - storage: &'a mut Storage, [INFO] [stderr] 234 + storage: &'a mut dyn Storage, [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:235:28 [INFO] [stderr] | [INFO] [stderr] 235 | algorithm: &'a mut Algorithm, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 235 - algorithm: &'a mut Algorithm, [INFO] [stderr] 235 + algorithm: &'a mut dyn Algorithm, [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `i1db` (lib) generated 4 warnings [INFO] [stderr] warning: `i1db` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.31s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/i1db-a5ef527e96311105) [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] [stderr] Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-47c77c9d9ca9b164) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test get_stored_value ... ok [INFO] [stdout] test wrong_key ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests i1db [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 17) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.70s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b75b5ea6be796a6d5d2533947e4fdbabb0af6e9cc82fc9305c5c454b70190f26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b75b5ea6be796a6d5d2533947e4fdbabb0af6e9cc82fc9305c5c454b70190f26", kill_on_drop: false }` [INFO] [stdout] b75b5ea6be796a6d5d2533947e4fdbabb0af6e9cc82fc9305c5c454b70190f26