[INFO] cloning repository https://github.com/wecohere/loom [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wecohere/loom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwecohere%2Floom", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwecohere%2Floom'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ac6bbf01272cb7b7ff9fa1a41a4e9d21dc1fd099 [INFO] checking wecohere/loom against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwecohere%2Floom" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wecohere/loom on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/wecohere/loom [INFO] finished tweaking git repo https://github.com/wecohere/loom [INFO] tweaked toml for git repo https://github.com/wecohere/loom written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/wecohere/loom already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded mio-uds v0.6.4 [INFO] [stderr] Downloaded tokio-signal v0.1.3 [INFO] [stderr] Downloaded bytes v0.4.6 [INFO] [stderr] Downloaded miow v0.3.1 [INFO] [stderr] Downloaded mio v0.6.12 [INFO] [stderr] Downloaded socket2 v0.3.0 [INFO] [stderr] Downloaded tokio-core v0.1.12 [INFO] [stderr] Downloaded tokio-io v0.1.4 [INFO] [stderr] Downloaded tokio-process v0.1.5 [INFO] [stderr] Downloaded futures v0.1.17 [INFO] [stderr] Downloaded iovec v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7b967b5b9c1f28f5af6d15641bf20b9cf5f5fe6167b0d713338d5b2683ab5cb5 [INFO] running `Command { std: "docker" "start" "-a" "7b967b5b9c1f28f5af6d15641bf20b9cf5f5fe6167b0d713338d5b2683ab5cb5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7b967b5b9c1f28f5af6d15641bf20b9cf5f5fe6167b0d713338d5b2683ab5cb5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b967b5b9c1f28f5af6d15641bf20b9cf5f5fe6167b0d713338d5b2683ab5cb5", kill_on_drop: false }` [INFO] [stdout] 7b967b5b9c1f28f5af6d15641bf20b9cf5f5fe6167b0d713338d5b2683ab5cb5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2106e566c57a17adff50646e6c691903afd3b1eea02a7c9f7996d9baa74e93fe [INFO] running `Command { std: "docker" "start" "-a" "2106e566c57a17adff50646e6c691903afd3b1eea02a7c9f7996d9baa74e93fe", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking libc v0.2.36 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Checking lazycell v0.6.0 [INFO] [stderr] Checking byteorder v1.2.1 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Checking futures v0.1.17 [INFO] [stderr] Checking slab v0.4.0 [INFO] [stderr] Checking scoped-tls v0.1.0 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking serde v1.0.27 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking iovec v0.1.1 [INFO] [stderr] Checking net2 v0.2.31 [INFO] [stderr] Checking bytes v0.4.6 [INFO] [stderr] Checking mio v0.6.12 [INFO] [stderr] Checking tokio-io v0.1.4 [INFO] [stderr] Checking mio-uds v0.6.4 [INFO] [stderr] Checking tokio-core v0.1.12 [INFO] [stderr] Compiling serde_derive_internals v0.19.0 [INFO] [stderr] Checking tokio-signal v0.1.3 [INFO] [stderr] Checking tokio-process v0.1.5 [INFO] [stderr] Compiling serde_derive v1.0.27 [INFO] [stderr] Checking toml v0.4.5 [INFO] [stderr] Checking loom v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:16:54 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn run_from_config(filename: &str) -> Result<(), (std::io::Error)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 16 - pub fn run_from_config(filename: &str) -> Result<(), (std::io::Error)> { [INFO] [stdout] 16 + pub fn run_from_config(filename: &str) -> Result<(), std::io::Error> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:16:54 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn run_from_config(filename: &str) -> Result<(), (std::io::Error)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 16 - pub fn run_from_config(filename: &str) -> Result<(), (std::io::Error)> { [INFO] [stdout] 16 + pub fn run_from_config(filename: &str) -> Result<(), std::io::Error> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/runner/child_with_streams.rs:14:29 [INFO] [stdout] | [INFO] [stdout] 14 | exit_status: Option>>, [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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 14 | exit_status: Option>>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/runner/child_with_streams.rs:39:54 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn exit_status(&mut self) -> &mut Option>> { [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: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 39 | pub fn exit_status(&mut self) -> &mut Option>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/runner/child_with_streams.rs:14:29 [INFO] [stdout] | [INFO] [stdout] 14 | exit_status: Option>>, [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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 14 | exit_status: Option>>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/runner/child_with_streams.rs:39:54 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn exit_status(&mut self) -> &mut Option>> { [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: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 39 | pub fn exit_status(&mut self) -> &mut Option>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/runner/child_with_streams.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct ChildWithStreams<'a> { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] 13 | name: &'a str, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/runner/child_with_streams.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct ChildWithStreams<'a> { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] 13 | name: &'a str, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/bin/loom.rs:22:34 [INFO] [stdout] | [INFO] [stdout] 22 | fn run_core_loop() -> Result<(), (std::io::Error)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 22 - fn run_core_loop() -> Result<(), (std::io::Error)> { [INFO] [stdout] 22 + fn run_core_loop() -> Result<(), std::io::Error> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/bin/loom.rs:22:34 [INFO] [stdout] | [INFO] [stdout] 22 | fn run_core_loop() -> Result<(), (std::io::Error)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 22 - fn run_core_loop() -> Result<(), (std::io::Error)> { [INFO] [stdout] 22 + fn run_core_loop() -> Result<(), std::io::Error> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.72s [INFO] running `Command { std: "docker" "inspect" "2106e566c57a17adff50646e6c691903afd3b1eea02a7c9f7996d9baa74e93fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2106e566c57a17adff50646e6c691903afd3b1eea02a7c9f7996d9baa74e93fe", kill_on_drop: false }` [INFO] [stdout] 2106e566c57a17adff50646e6c691903afd3b1eea02a7c9f7996d9baa74e93fe [INFO] checking wecohere/loom against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwecohere%2Floom" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wecohere/loom on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/wecohere/loom [INFO] finished tweaking git repo https://github.com/wecohere/loom [INFO] tweaked toml for git repo https://github.com/wecohere/loom written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/wecohere/loom already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b06b2c6f3389629dc78df054ab1886da1478a73f9390c492f7288865396909a9 [INFO] running `Command { std: "docker" "start" "-a" "b06b2c6f3389629dc78df054ab1886da1478a73f9390c492f7288865396909a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b06b2c6f3389629dc78df054ab1886da1478a73f9390c492f7288865396909a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b06b2c6f3389629dc78df054ab1886da1478a73f9390c492f7288865396909a9", kill_on_drop: false }` [INFO] [stdout] b06b2c6f3389629dc78df054ab1886da1478a73f9390c492f7288865396909a9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 125fa890e2d69ee8c2e92b93689c2d6c24841ef543a589cd400c43bddf8cb21b [INFO] running `Command { std: "docker" "start" "-a" "125fa890e2d69ee8c2e92b93689c2d6c24841ef543a589cd400c43bddf8cb21b", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking libc v0.2.36 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking lazycell v0.6.0 [INFO] [stderr] Checking byteorder v1.2.1 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Checking futures v0.1.17 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Checking scoped-tls v0.1.0 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking slab v0.4.0 [INFO] [stderr] Checking serde v1.0.27 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking iovec v0.1.1 [INFO] [stderr] Checking net2 v0.2.31 [INFO] [stderr] Checking bytes v0.4.6 [INFO] [stderr] Checking mio v0.6.12 [INFO] [stderr] Compiling serde_derive_internals v0.19.0 [INFO] [stderr] Checking mio-uds v0.6.4 [INFO] [stderr] Checking tokio-io v0.1.4 [INFO] [stderr] Compiling serde_derive v1.0.27 [INFO] [stderr] Checking tokio-core v0.1.12 [INFO] [stderr] Checking tokio-signal v0.1.3 [INFO] [stderr] Checking tokio-process v0.1.5 [INFO] [stderr] Checking toml v0.4.5 [INFO] [stderr] Checking loom v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:16:54 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn run_from_config(filename: &str) -> Result<(), (std::io::Error)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 16 - pub fn run_from_config(filename: &str) -> Result<(), (std::io::Error)> { [INFO] [stdout] 16 + pub fn run_from_config(filename: &str) -> Result<(), std::io::Error> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:16:54 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn run_from_config(filename: &str) -> Result<(), (std::io::Error)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 16 - pub fn run_from_config(filename: &str) -> Result<(), (std::io::Error)> { [INFO] [stdout] 16 + pub fn run_from_config(filename: &str) -> Result<(), std::io::Error> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/runner/child_with_streams.rs:14:29 [INFO] [stdout] | [INFO] [stdout] 14 | exit_status: Option>>, [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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 14 | exit_status: Option>>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/runner/child_with_streams.rs:39:54 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn exit_status(&mut self) -> &mut Option>> { [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: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 39 | pub fn exit_status(&mut self) -> &mut Option>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/runner/child_with_streams.rs:14:29 [INFO] [stdout] | [INFO] [stdout] 14 | exit_status: Option>>, [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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 14 | exit_status: Option>>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/runner/child_with_streams.rs:39:54 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn exit_status(&mut self) -> &mut Option>> { [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: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 39 | pub fn exit_status(&mut self) -> &mut Option>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/runner/child_with_streams.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct ChildWithStreams<'a> { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] 13 | name: &'a str, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/runner/child_with_streams.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct ChildWithStreams<'a> { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] 13 | name: &'a str, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/bin/loom.rs:22:34 [INFO] [stdout] | [INFO] [stdout] 22 | fn run_core_loop() -> Result<(), (std::io::Error)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 22 - fn run_core_loop() -> Result<(), (std::io::Error)> { [INFO] [stdout] 22 + fn run_core_loop() -> Result<(), std::io::Error> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/bin/loom.rs:22:34 [INFO] [stdout] | [INFO] [stdout] 22 | fn run_core_loop() -> Result<(), (std::io::Error)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 22 - fn run_core_loop() -> Result<(), (std::io::Error)> { [INFO] [stdout] 22 + fn run_core_loop() -> Result<(), std::io::Error> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.91s [INFO] running `Command { std: "docker" "inspect" "125fa890e2d69ee8c2e92b93689c2d6c24841ef543a589cd400c43bddf8cb21b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "125fa890e2d69ee8c2e92b93689c2d6c24841ef543a589cd400c43bddf8cb21b", kill_on_drop: false }` [INFO] [stdout] 125fa890e2d69ee8c2e92b93689c2d6c24841ef543a589cd400c43bddf8cb21b