[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] testing wecohere/loom against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwecohere%2Floom" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wecohere/loom on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-13/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: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1497deb4ed13d369d4b82d8ab7ead284aa585e3e1ccb5c70bdd97fb01ffe1470 [INFO] running `Command { std: "docker" "start" "-a" "1497deb4ed13d369d4b82d8ab7ead284aa585e3e1ccb5c70bdd97fb01ffe1470", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1497deb4ed13d369d4b82d8ab7ead284aa585e3e1ccb5c70bdd97fb01ffe1470", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1497deb4ed13d369d4b82d8ab7ead284aa585e3e1ccb5c70bdd97fb01ffe1470", kill_on_drop: false }` [INFO] [stdout] 1497deb4ed13d369d4b82d8ab7ead284aa585e3e1ccb5c70bdd97fb01ffe1470 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 07a2723ed9e44945a629e8e49a7d4c04e98386fcb20346b0218b7d31fba169c3 [INFO] running `Command { std: "docker" "start" "-a" "07a2723ed9e44945a629e8e49a7d4c04e98386fcb20346b0218b7d31fba169c3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.36 [INFO] [stderr] Compiling cfg-if v0.1.2 [INFO] [stderr] Compiling slab v0.3.0 [INFO] [stderr] Compiling lazycell v0.6.0 [INFO] [stderr] Compiling byteorder v1.2.1 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling futures v0.1.17 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling slab v0.4.0 [INFO] [stderr] Compiling scoped-tls v0.1.0 [INFO] [stderr] Compiling serde v1.0.27 [INFO] [stderr] Compiling log v0.4.1 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling iovec v0.1.1 [INFO] [stderr] Compiling net2 v0.2.31 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling bytes v0.4.6 [INFO] [stderr] Compiling mio v0.6.12 [INFO] [stderr] Compiling serde_derive_internals v0.19.0 [INFO] [stderr] Compiling mio-uds v0.6.4 [INFO] [stderr] Compiling serde_derive v1.0.27 [INFO] [stderr] Compiling tokio-io v0.1.4 [INFO] [stderr] Compiling tokio-core v0.1.12 [INFO] [stderr] Compiling toml v0.4.5 [INFO] [stderr] Compiling tokio-signal v0.1.3 [INFO] [stderr] Compiling tokio-process v0.1.5 [INFO] [stderr] Compiling 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: 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] = 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] 14 - exit_status: Option>>, [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 39 - pub fn exit_status(&mut self) -> &mut Option>> { [INFO] [stdout] 39 + pub fn exit_status(&mut self) -> &mut Option>> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `name` [INFO] [stdout] --> src/runner/child_with_streams.rs:13:5 [INFO] [stdout] | [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.49s [INFO] running `Command { std: "docker" "inspect" "07a2723ed9e44945a629e8e49a7d4c04e98386fcb20346b0218b7d31fba169c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07a2723ed9e44945a629e8e49a7d4c04e98386fcb20346b0218b7d31fba169c3", kill_on_drop: false }` [INFO] [stdout] 07a2723ed9e44945a629e8e49a7d4c04e98386fcb20346b0218b7d31fba169c3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d957b2f5ca96dbe5bd463d219bc7397a9e9dd6997178c4424204189ca4a0d84d [INFO] running `Command { std: "docker" "start" "-a" "d957b2f5ca96dbe5bd463d219bc7397a9e9dd6997178c4424204189ca4a0d84d", kill_on_drop: false }` [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] = 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] 14 - exit_status: Option>>, [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 39 - pub fn exit_status(&mut self) -> &mut Option>> { [INFO] [stdout] 39 + pub fn exit_status(&mut self) -> &mut Option>> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `name` [INFO] [stdout] --> src/runner/child_with_streams.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | name: &'a str, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling loom v0.1.0 (/opt/rustwide/workdir) [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/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] = 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] 14 - exit_status: Option>>, [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 39 - pub fn exit_status(&mut self) -> &mut Option>> { [INFO] [stdout] 39 + pub fn exit_status(&mut self) -> &mut Option>> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `name` [INFO] [stdout] --> src/runner/child_with_streams.rs:13:5 [INFO] [stdout] | [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.48s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/loom-5b07b5ac726ba35f) [INFO] [stderr] Executable unittests src/bin/loom.rs (/opt/rustwide/target/debug/deps/loom-89aff463b212e83e) [INFO] running `Command { std: "docker" "inspect" "d957b2f5ca96dbe5bd463d219bc7397a9e9dd6997178c4424204189ca4a0d84d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d957b2f5ca96dbe5bd463d219bc7397a9e9dd6997178c4424204189ca4a0d84d", kill_on_drop: false }` [INFO] [stdout] d957b2f5ca96dbe5bd463d219bc7397a9e9dd6997178c4424204189ca4a0d84d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2c658d4f30e88c2ca0338148ab52000b05869be46f1e95b46835c806aa11f1f8 [INFO] running `Command { std: "docker" "start" "-a" "2c658d4f30e88c2ca0338148ab52000b05869be46f1e95b46835c806aa11f1f8", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/lib.rs:16:54 [INFO] [stderr] | [INFO] [stderr] 16 | pub fn run_from_config(filename: &str) -> Result<(), (std::io::Error)> { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 16 - pub fn run_from_config(filename: &str) -> Result<(), (std::io::Error)> { [INFO] [stderr] 16 + pub fn run_from_config(filename: &str) -> Result<(), std::io::Error> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/runner/child_with_streams.rs:14:29 [INFO] [stderr] | [INFO] [stderr] 14 | exit_status: Option>>, [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] 14 - exit_status: Option>>, [INFO] [stderr] 14 + exit_status: Option>>, [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/runner/child_with_streams.rs:39:54 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn exit_status(&mut self) -> &mut Option>> { [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] 39 - pub fn exit_status(&mut self) -> &mut Option>> { [INFO] [stderr] 39 + pub fn exit_status(&mut self) -> &mut Option>> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field is never read: `name` [INFO] [stderr] --> src/runner/child_with_streams.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | name: &'a str, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `loom` (lib) generated 4 warnings [INFO] [stderr] warning: `loom` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/bin/loom.rs:22:34 [INFO] [stderr] | [INFO] [stderr] 22 | fn run_core_loop() -> Result<(), (std::io::Error)> { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 22 - fn run_core_loop() -> Result<(), (std::io::Error)> { [INFO] [stderr] 22 + fn run_core_loop() -> Result<(), std::io::Error> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `loom` (bin "loom" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/loom-5b07b5ac726ba35f) [INFO] [stderr] Running unittests src/bin/loom.rs (/opt/rustwide/target/debug/deps/loom-89aff463b212e83e) [INFO] [stdout] [INFO] [stderr] Doc-tests loom [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] [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] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> /opt/rustwide/workdir/src/lib.rs:16:54 [INFO] [stderr] | [INFO] [stderr] 16 | pub fn run_from_config(filename: &str) -> Result<(), (std::io::Error)> { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 16 - pub fn run_from_config(filename: &str) -> Result<(), (std::io::Error)> { [INFO] [stderr] 16 + pub fn run_from_config(filename: &str) -> Result<(), std::io::Error> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [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" "2c658d4f30e88c2ca0338148ab52000b05869be46f1e95b46835c806aa11f1f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c658d4f30e88c2ca0338148ab52000b05869be46f1e95b46835c806aa11f1f8", kill_on_drop: false }` [INFO] [stdout] 2c658d4f30e88c2ca0338148ab52000b05869be46f1e95b46835c806aa11f1f8