[INFO] cloning repository https://github.com/tsullens/arc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tsullens/arc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftsullens%2Farc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftsullens%2Farc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] dd8a8a6cdb2ffe7c7b67f65b9a302a8232f09a18 [INFO] testing tsullens/arc against 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftsullens%2Farc" "/workspace/builds/worker-16/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tsullens/arc on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tsullens/arc [INFO] finished tweaking git repo https://github.com/tsullens/arc [INFO] tweaked toml for git repo https://github.com/tsullens/arc written to /workspace/builds/worker-16/source/Cargo.toml [INFO] crate git repo https://github.com/tsullens/arc already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2c3070d2fd3dff528d71596f61362801b7d2ecb5ada72e9cd926a4f7593309e3 [INFO] running `Command { std: "docker" "start" "-a" "2c3070d2fd3dff528d71596f61362801b7d2ecb5ada72e9cd926a4f7593309e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2c3070d2fd3dff528d71596f61362801b7d2ecb5ada72e9cd926a4f7593309e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c3070d2fd3dff528d71596f61362801b7d2ecb5ada72e9cd926a4f7593309e3", kill_on_drop: false }` [INFO] [stdout] 2c3070d2fd3dff528d71596f61362801b7d2ecb5ada72e9cd926a4f7593309e3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 38e2d41f5b3f3d93ad8521c6087a6ed61f1b9fa46a8fedf37285e108f8eaa637 [INFO] running `Command { std: "docker" "start" "-a" "38e2d41f5b3f3d93ad8521c6087a6ed61f1b9fa46a8fedf37285e108f8eaa637", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.4 [INFO] [stderr] Compiling serde v1.0.59 [INFO] [stderr] Compiling lazy_static v1.0.0 [INFO] [stderr] Compiling regex v1.0.0 [INFO] [stderr] Compiling rand_core v0.2.0 [INFO] [stderr] Compiling memchr v0.1.11 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Compiling memchr v2.0.1 [INFO] [stderr] Compiling serde_test v0.8.23 [INFO] [stderr] Compiling regex-syntax v0.6.0 [INFO] [stderr] Compiling yaml-rust v0.4.0 [INFO] [stderr] Compiling thread-id v2.0.0 [INFO] [stderr] Compiling thread_local v0.3.5 [INFO] [stderr] Compiling thread_local v0.2.7 [INFO] [stderr] Compiling aho-corasick v0.6.4 [INFO] [stderr] Compiling aho-corasick v0.5.3 [INFO] [stderr] Compiling nom v3.2.1 [INFO] [stderr] Compiling rand v0.5.0 [INFO] [stderr] Compiling linked-hash-map v0.3.0 [INFO] [stderr] Compiling regex v0.1.80 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling serde-hjson v0.8.1 [INFO] [stderr] Compiling serde_json v1.0.17 [INFO] [stderr] Compiling toml v0.4.6 [INFO] [stderr] Compiling config v0.8.0 [INFO] [stderr] Compiling arc v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/commands.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | / lazy_static! { [INFO] [stdout] 14 | | /* [INFO] [stdout] 15 | | * I have no idea if this makes sense or if it is correct. [INFO] [stdout] 16 | | * I'm not actually sure if this is thread safe either... [INFO] [stdout] ... | [INFO] [stdout] 28 | | }; [INFO] [stdout] 29 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/server.rs:52:59 [INFO] [stdout] | [INFO] [stdout] 52 | pub fn new(stream: &'a TcpStream) -> Result> { [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 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 52 - pub fn new(stream: &'a TcpStream) -> Result> { [INFO] [stdout] 52 + pub fn new(stream: &'a TcpStream) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/server.rs:135:32 [INFO] [stdout] | [INFO] [stdout] 135 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 135 - fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] 135 + fn cause(&self) -> Option<&dyn error::Error> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/commands.rs:45:32 [INFO] [stdout] | [INFO] [stdout] 45 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 45 - fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] 45 + fn cause(&self) -> Option<&dyn error::Error> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/database.rs:86:32 [INFO] [stdout] | [INFO] [stdout] 86 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 86 - fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] 86 + fn cause(&self) -> Option<&dyn error::Error> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `inc_key_count` [INFO] [stdout] --> src/server.rs:159:12 [INFO] [stdout] | [INFO] [stdout] 159 | pub fn inc_key_count(&self) -> () { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.97s [INFO] running `Command { std: "docker" "inspect" "38e2d41f5b3f3d93ad8521c6087a6ed61f1b9fa46a8fedf37285e108f8eaa637", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38e2d41f5b3f3d93ad8521c6087a6ed61f1b9fa46a8fedf37285e108f8eaa637", kill_on_drop: false }` [INFO] [stdout] 38e2d41f5b3f3d93ad8521c6087a6ed61f1b9fa46a8fedf37285e108f8eaa637 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4b24285b97693e29734733705baa9707dbb78febc6e2ed26aa841d154d665120 [INFO] running `Command { std: "docker" "start" "-a" "4b24285b97693e29734733705baa9707dbb78febc6e2ed26aa841d154d665120", kill_on_drop: false }` [INFO] [stderr] Compiling arc v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/commands.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | / lazy_static! { [INFO] [stdout] 14 | | /* [INFO] [stdout] 15 | | * I have no idea if this makes sense or if it is correct. [INFO] [stdout] 16 | | * I'm not actually sure if this is thread safe either... [INFO] [stdout] ... | [INFO] [stdout] 28 | | }; [INFO] [stdout] 29 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/server.rs:52:59 [INFO] [stdout] | [INFO] [stdout] 52 | pub fn new(stream: &'a TcpStream) -> Result> { [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 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 52 - pub fn new(stream: &'a TcpStream) -> Result> { [INFO] [stdout] 52 + pub fn new(stream: &'a TcpStream) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/server.rs:135:32 [INFO] [stdout] | [INFO] [stdout] 135 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 135 - fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] 135 + fn cause(&self) -> Option<&dyn error::Error> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/commands.rs:45:32 [INFO] [stdout] | [INFO] [stdout] 45 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 45 - fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] 45 + fn cause(&self) -> Option<&dyn error::Error> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/database.rs:86:32 [INFO] [stdout] | [INFO] [stdout] 86 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 86 - fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] 86 + fn cause(&self) -> Option<&dyn error::Error> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `inc_key_count` [INFO] [stdout] --> src/server.rs:159:12 [INFO] [stdout] | [INFO] [stdout] 159 | pub fn inc_key_count(&self) -> () { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.46s [INFO] running `Command { std: "docker" "inspect" "4b24285b97693e29734733705baa9707dbb78febc6e2ed26aa841d154d665120", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b24285b97693e29734733705baa9707dbb78febc6e2ed26aa841d154d665120", kill_on_drop: false }` [INFO] [stdout] 4b24285b97693e29734733705baa9707dbb78febc6e2ed26aa841d154d665120 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3b08947dcefb3964e6c4b0774632e8e8caef09b27d57a201da74724c60d3ebb6 [INFO] running `Command { std: "docker" "start" "-a" "3b08947dcefb3964e6c4b0774632e8e8caef09b27d57a201da74724c60d3ebb6", kill_on_drop: false }` [INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stderr] --> src/commands.rs:13:1 [INFO] [stderr] | [INFO] [stderr] 13 | / lazy_static! { [INFO] [stderr] 14 | | /* [INFO] [stderr] 15 | | * I have no idea if this makes sense or if it is correct. [INFO] [stderr] 16 | | * I'm not actually sure if this is thread safe either... [INFO] [stderr] ... | [INFO] [stderr] 28 | | }; [INFO] [stderr] 29 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/server.rs:52:59 [INFO] [stderr] | [INFO] [stderr] 52 | pub fn new(stream: &'a TcpStream) -> Result> { [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 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 52 - pub fn new(stream: &'a TcpStream) -> Result> { [INFO] [stderr] 52 + pub fn new(stream: &'a TcpStream) -> Result> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/server.rs:135:32 [INFO] [stderr] | [INFO] [stderr] 135 | fn cause(&self) -> Option<&error::Error> { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 135 - fn cause(&self) -> Option<&error::Error> { [INFO] [stderr] 135 + fn cause(&self) -> Option<&dyn error::Error> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/commands.rs:45:32 [INFO] [stderr] | [INFO] [stderr] 45 | fn cause(&self) -> Option<&error::Error> { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 45 - fn cause(&self) -> Option<&error::Error> { [INFO] [stderr] 45 + fn cause(&self) -> Option<&dyn error::Error> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/database.rs:86:32 [INFO] [stderr] | [INFO] [stderr] 86 | fn cause(&self) -> Option<&error::Error> { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 86 - fn cause(&self) -> Option<&error::Error> { [INFO] [stderr] 86 + fn cause(&self) -> Option<&dyn error::Error> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `inc_key_count` [INFO] [stderr] --> src/server.rs:159:12 [INFO] [stderr] | [INFO] [stderr] 159 | pub fn inc_key_count(&self) -> () { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `arc` (bin "arc" test) generated 6 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/arc-4073b2777f02cac7) [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" "3b08947dcefb3964e6c4b0774632e8e8caef09b27d57a201da74724c60d3ebb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b08947dcefb3964e6c4b0774632e8e8caef09b27d57a201da74724c60d3ebb6", kill_on_drop: false }` [INFO] [stdout] 3b08947dcefb3964e6c4b0774632e8e8caef09b27d57a201da74724c60d3ebb6