[INFO] cloning repository https://github.com/brooksmckinley/cups [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brooksmckinley/cups" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrooksmckinley%2Fcups", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrooksmckinley%2Fcups'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3a6bf59431c0d3469d067182b32db459c07367d0 [INFO] testing brooksmckinley/cups 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%2Fbrooksmckinley%2Fcups" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/brooksmckinley/cups 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/brooksmckinley/cups [INFO] finished tweaking git repo https://github.com/brooksmckinley/cups [INFO] tweaked toml for git repo https://github.com/brooksmckinley/cups written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/brooksmckinley/cups 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 04384dd9e64332a2f4bd8d80da02200fa377a9281fde5352e2fc6c25f2d1cfae [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" "04384dd9e64332a2f4bd8d80da02200fa377a9281fde5352e2fc6c25f2d1cfae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "04384dd9e64332a2f4bd8d80da02200fa377a9281fde5352e2fc6c25f2d1cfae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04384dd9e64332a2f4bd8d80da02200fa377a9281fde5352e2fc6c25f2d1cfae", kill_on_drop: false }` [INFO] [stdout] 04384dd9e64332a2f4bd8d80da02200fa377a9281fde5352e2fc6c25f2d1cfae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] fb854816651bf4756c6c321d03485dcb63272e9c357439dfed0dbd5cad41a85e [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" "fb854816651bf4756c6c321d03485dcb63272e9c357439dfed0dbd5cad41a85e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.42 [INFO] [stderr] Compiling rand_core v0.2.1 [INFO] [stderr] Compiling rand v0.5.4 [INFO] [stderr] Compiling cups v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:15:27 [INFO] [stdout] | [INFO] [stdout] 15 | fn buy(cups: &mut Vec>) { [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] 15 - fn buy(cups: &mut Vec>) { [INFO] [stdout] 15 + fn buy(cups: &mut Vec>) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:84:28 [INFO] [stdout] | [INFO] [stdout] 84 | fn sell(cups: &mut Vec>) { [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] 84 - fn sell(cups: &mut Vec>) { [INFO] [stdout] 84 + fn sell(cups: &mut Vec>) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:111:35 [INFO] [stdout] | [INFO] [stdout] 111 | fn maintenance(cups: &mut Vec>) { [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] 111 - fn maintenance(cups: &mut Vec>) { [INFO] [stdout] 111 + fn maintenance(cups: &mut Vec>) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:229:36 [INFO] [stdout] | [INFO] [stdout] 229 | fn inventory_report(cups: &Vec>) { [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] 229 - fn inventory_report(cups: &Vec>) { [INFO] [stdout] 229 + fn inventory_report(cups: &Vec>) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:238:27 [INFO] [stdout] | [INFO] [stdout] 238 | let mut cups: Vec> = Vec::new(); [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] 238 - let mut cups: Vec> = Vec::new(); [INFO] [stdout] 238 + let mut cups: Vec> = Vec::new(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:123:17 [INFO] [stdout] | [INFO] [stdout] 123 | let mut i = 0; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:152:17 [INFO] [stdout] | [INFO] [stdout] 152 | let mut i = 0; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:181:17 [INFO] [stdout] | [INFO] [stdout] 181 | let mut i = 0; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:207:17 [INFO] [stdout] | [INFO] [stdout] 207 | let mut i = 0; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.75s [INFO] running `Command { std: "docker" "inspect" "fb854816651bf4756c6c321d03485dcb63272e9c357439dfed0dbd5cad41a85e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb854816651bf4756c6c321d03485dcb63272e9c357439dfed0dbd5cad41a85e", kill_on_drop: false }` [INFO] [stdout] fb854816651bf4756c6c321d03485dcb63272e9c357439dfed0dbd5cad41a85e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 310983cbe4f3071ccb30150e68e0030655d5ae455d443102898bad3bfe730077 [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" "310983cbe4f3071ccb30150e68e0030655d5ae455d443102898bad3bfe730077", kill_on_drop: false }` [INFO] [stderr] Compiling cups v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:15:27 [INFO] [stdout] | [INFO] [stdout] 15 | fn buy(cups: &mut Vec>) { [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] 15 - fn buy(cups: &mut Vec>) { [INFO] [stdout] 15 + fn buy(cups: &mut Vec>) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:84:28 [INFO] [stdout] | [INFO] [stdout] 84 | fn sell(cups: &mut Vec>) { [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] 84 - fn sell(cups: &mut Vec>) { [INFO] [stdout] 84 + fn sell(cups: &mut Vec>) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:111:35 [INFO] [stdout] | [INFO] [stdout] 111 | fn maintenance(cups: &mut Vec>) { [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] 111 - fn maintenance(cups: &mut Vec>) { [INFO] [stdout] 111 + fn maintenance(cups: &mut Vec>) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:229:36 [INFO] [stdout] | [INFO] [stdout] 229 | fn inventory_report(cups: &Vec>) { [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] 229 - fn inventory_report(cups: &Vec>) { [INFO] [stdout] 229 + fn inventory_report(cups: &Vec>) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:238:27 [INFO] [stdout] | [INFO] [stdout] 238 | let mut cups: Vec> = Vec::new(); [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] 238 - let mut cups: Vec> = Vec::new(); [INFO] [stdout] 238 + let mut cups: Vec> = Vec::new(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:123:17 [INFO] [stdout] | [INFO] [stdout] 123 | let mut i = 0; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:152:17 [INFO] [stdout] | [INFO] [stdout] 152 | let mut i = 0; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:181:17 [INFO] [stdout] | [INFO] [stdout] 181 | let mut i = 0; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:207:17 [INFO] [stdout] | [INFO] [stdout] 207 | let mut i = 0; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.86s [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "310983cbe4f3071ccb30150e68e0030655d5ae455d443102898bad3bfe730077", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "310983cbe4f3071ccb30150e68e0030655d5ae455d443102898bad3bfe730077", kill_on_drop: false }` [INFO] [stdout] 310983cbe4f3071ccb30150e68e0030655d5ae455d443102898bad3bfe730077 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] a831f6a7062e0cb67347b2e64cb66fde67a827683dc5349fe9e67db5ae6c6f1a [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" "a831f6a7062e0cb67347b2e64cb66fde67a827683dc5349fe9e67db5ae6c6f1a", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:15:27 [INFO] [stderr] | [INFO] [stderr] 15 | fn buy(cups: &mut Vec>) { [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] 15 - fn buy(cups: &mut Vec>) { [INFO] [stderr] 15 + fn buy(cups: &mut Vec>) { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:84:28 [INFO] [stderr] | [INFO] [stderr] 84 | fn sell(cups: &mut Vec>) { [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] 84 - fn sell(cups: &mut Vec>) { [INFO] [stderr] 84 + fn sell(cups: &mut Vec>) { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:111:35 [INFO] [stderr] | [INFO] [stderr] 111 | fn maintenance(cups: &mut Vec>) { [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] 111 - fn maintenance(cups: &mut Vec>) { [INFO] [stderr] 111 + fn maintenance(cups: &mut Vec>) { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:229:36 [INFO] [stderr] | [INFO] [stderr] 229 | fn inventory_report(cups: &Vec>) { [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] 229 - fn inventory_report(cups: &Vec>) { [INFO] [stderr] 229 + fn inventory_report(cups: &Vec>) { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:238:27 [INFO] [stderr] | [INFO] [stderr] 238 | let mut cups: Vec> = Vec::new(); [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] 238 - let mut cups: Vec> = Vec::new(); [INFO] [stderr] 238 + let mut cups: Vec> = Vec::new(); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:123:17 [INFO] [stderr] | [INFO] [stderr] 123 | let mut i = 0; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:152:17 [INFO] [stderr] | [INFO] [stderr] 152 | let mut i = 0; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:181:17 [INFO] [stderr] | [INFO] [stderr] 181 | let mut i = 0; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:207:17 [INFO] [stderr] | [INFO] [stderr] 207 | let mut i = 0; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: `cups` (bin "cups" test) generated 9 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/cups-663945b4ea3a06d2) [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" "a831f6a7062e0cb67347b2e64cb66fde67a827683dc5349fe9e67db5ae6c6f1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a831f6a7062e0cb67347b2e64cb66fde67a827683dc5349fe9e67db5ae6c6f1a", kill_on_drop: false }` [INFO] [stdout] a831f6a7062e0cb67347b2e64cb66fde67a827683dc5349fe9e67db5ae6c6f1a