[INFO] cloning repository https://github.com/AntonHakansson/rbreakout [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AntonHakansson/rbreakout" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntonHakansson%2Frbreakout", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntonHakansson%2Frbreakout'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3ae24d8ccdd950e96ed21534c71e5680a953be47 [INFO] testing AntonHakansson/rbreakout against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntonHakansson%2Frbreakout" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/AntonHakansson/rbreakout on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/AntonHakansson/rbreakout [INFO] finished tweaking git repo https://github.com/AntonHakansson/rbreakout [INFO] tweaked toml for git repo https://github.com/AntonHakansson/rbreakout written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/AntonHakansson/rbreakout already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b77baf77e23a8ee90b1494002e146f8ed7658355e89d97fa71ed75d2681934d0 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b77baf77e23a8ee90b1494002e146f8ed7658355e89d97fa71ed75d2681934d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b77baf77e23a8ee90b1494002e146f8ed7658355e89d97fa71ed75d2681934d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b77baf77e23a8ee90b1494002e146f8ed7658355e89d97fa71ed75d2681934d0", kill_on_drop: false }` [INFO] [stdout] b77baf77e23a8ee90b1494002e146f8ed7658355e89d97fa71ed75d2681934d0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 691cfed2980afb32ab56d04d28efd4864fdf55b26031867ac2f45f7fdbacd8a0 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "691cfed2980afb32ab56d04d28efd4864fdf55b26031867ac2f45f7fdbacd8a0", kill_on_drop: false }` [INFO] [stderr] Compiling argparse v0.2.1 [INFO] [stderr] Compiling termion v1.5.1 [INFO] [stderr] Compiling rbreakout v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/main.rs:73:20 [INFO] [stdout] | [INFO] [stdout] 73 | fn x(&self) -> (Unit) { [INFO] [stdout] | ^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/main.rs:76:20 [INFO] [stdout] | [INFO] [stdout] 76 | fn y(&self) -> (Unit) { [INFO] [stdout] | ^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:84:29 [INFO] [stdout] | [INFO] [stdout] 84 | fn get_color(&self) -> &color::Color; [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn color::Color` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:95:16 [INFO] [stdout] | [INFO] [stdout] 95 | color: Box, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn color::Color` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:103:29 [INFO] [stdout] | [INFO] [stdout] 103 | fn get_color(&self) -> &color::Color { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn color::Color` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:128:29 [INFO] [stdout] | [INFO] [stdout] 128 | fn get_color(&self) -> &color::Color { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn color::Color` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:248:29 [INFO] [stdout] | [INFO] [stdout] 248 | fn get_color(&self) -> &color::Color { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn color::Color` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:429:20 [INFO] [stdout] | [INFO] [stdout] 429 | color: Box, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn color::Color` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.73s [INFO] running `Command { std: "docker" "inspect" "691cfed2980afb32ab56d04d28efd4864fdf55b26031867ac2f45f7fdbacd8a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "691cfed2980afb32ab56d04d28efd4864fdf55b26031867ac2f45f7fdbacd8a0", kill_on_drop: false }` [INFO] [stdout] 691cfed2980afb32ab56d04d28efd4864fdf55b26031867ac2f45f7fdbacd8a0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1f8e539aaee07fce2eda61005df901fafb9fe91b85341cd038a8fa7d1daef3b5 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1f8e539aaee07fce2eda61005df901fafb9fe91b85341cd038a8fa7d1daef3b5", kill_on_drop: false }` [INFO] [stderr] Compiling rbreakout v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/main.rs:73:20 [INFO] [stdout] | [INFO] [stdout] 73 | fn x(&self) -> (Unit) { [INFO] [stdout] | ^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/main.rs:76:20 [INFO] [stdout] | [INFO] [stdout] 76 | fn y(&self) -> (Unit) { [INFO] [stdout] | ^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:84:29 [INFO] [stdout] | [INFO] [stdout] 84 | fn get_color(&self) -> &color::Color; [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn color::Color` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:95:16 [INFO] [stdout] | [INFO] [stdout] 95 | color: Box, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn color::Color` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:103:29 [INFO] [stdout] | [INFO] [stdout] 103 | fn get_color(&self) -> &color::Color { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn color::Color` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:128:29 [INFO] [stdout] | [INFO] [stdout] 128 | fn get_color(&self) -> &color::Color { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn color::Color` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:248:29 [INFO] [stdout] | [INFO] [stdout] 248 | fn get_color(&self) -> &color::Color { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn color::Color` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:429:20 [INFO] [stdout] | [INFO] [stdout] 429 | color: Box, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn color::Color` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.75s [INFO] running `Command { std: "docker" "inspect" "1f8e539aaee07fce2eda61005df901fafb9fe91b85341cd038a8fa7d1daef3b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f8e539aaee07fce2eda61005df901fafb9fe91b85341cd038a8fa7d1daef3b5", kill_on_drop: false }` [INFO] [stdout] 1f8e539aaee07fce2eda61005df901fafb9fe91b85341cd038a8fa7d1daef3b5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e6e13419cb5a1e23be6e7f7d51ec8ac2500f6e78da273323ccabfb67e2d9ad47 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e6e13419cb5a1e23be6e7f7d51ec8ac2500f6e78da273323ccabfb67e2d9ad47", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:73:20 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 73 | fn x(&self) -> (Unit) { [INFO] [stdout] [INFO] [stderr] | ^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/main.rs:76:20 [INFO] [stderr] | [INFO] [stderr] 76 | fn y(&self) -> (Unit) { [INFO] [stderr] | ^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:84:29 [INFO] [stderr] | [INFO] [stderr] 84 | fn get_color(&self) -> &color::Color; [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn color::Color` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:95:16 [INFO] [stderr] | [INFO] [stderr] 95 | color: Box, [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn color::Color` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:103:29 [INFO] [stderr] | [INFO] [stderr] 103 | fn get_color(&self) -> &color::Color { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn color::Color` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:128:29 [INFO] [stderr] | [INFO] [stderr] 128 | fn get_color(&self) -> &color::Color { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn color::Color` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:248:29 [INFO] [stderr] | [INFO] [stderr] 248 | fn get_color(&self) -> &color::Color { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn color::Color` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:429:20 [INFO] [stderr] | [INFO] [stderr] 429 | color: Box, [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn color::Color` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rbreakout-67d1c0fe8e8288c9) [INFO] running `Command { std: "docker" "inspect" "e6e13419cb5a1e23be6e7f7d51ec8ac2500f6e78da273323ccabfb67e2d9ad47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6e13419cb5a1e23be6e7f7d51ec8ac2500f6e78da273323ccabfb67e2d9ad47", kill_on_drop: false }` [INFO] [stdout] e6e13419cb5a1e23be6e7f7d51ec8ac2500f6e78da273323ccabfb67e2d9ad47