[INFO] cloning repository https://github.com/robert-wallis/rust-guessing-game [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robert-wallis/rust-guessing-game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobert-wallis%2Frust-guessing-game", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobert-wallis%2Frust-guessing-game'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1b4c65f9decaae81d8101f3a6b27711c88907ded [INFO] testing robert-wallis/rust-guessing-game 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%2Frobert-wallis%2Frust-guessing-game" "/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/robert-wallis/rust-guessing-game 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/robert-wallis/rust-guessing-game [INFO] finished tweaking git repo https://github.com/robert-wallis/rust-guessing-game [INFO] tweaked toml for git repo https://github.com/robert-wallis/rust-guessing-game written to /workspace/builds/worker-16/source/Cargo.toml [INFO] crate git repo https://github.com/robert-wallis/rust-guessing-game 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] 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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b99a86de1ed1a31ffa43f560e376f68e16a6138695f9f5022afef3eecdcf62cc [INFO] running `Command { std: "docker" "start" "-a" "b99a86de1ed1a31ffa43f560e376f68e16a6138695f9f5022afef3eecdcf62cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b99a86de1ed1a31ffa43f560e376f68e16a6138695f9f5022afef3eecdcf62cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b99a86de1ed1a31ffa43f560e376f68e16a6138695f9f5022afef3eecdcf62cc", kill_on_drop: false }` [INFO] [stdout] b99a86de1ed1a31ffa43f560e376f68e16a6138695f9f5022afef3eecdcf62cc [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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d6ae7e88c1246570a85fefaaf5f46c31660e9ea6d88bf7b81d6884ca646f8744 [INFO] running `Command { std: "docker" "start" "-a" "d6ae7e88c1246570a85fefaaf5f46c31660e9ea6d88bf7b81d6884ca646f8744", kill_on_drop: false }` [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.0 [INFO] [stderr] Compiling rand v0.6.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.0 [INFO] [stderr] Compiling guessing_game v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:59:43 [INFO] [stdout] | [INFO] [stdout] 59 | fn test_guesser(name: &str, guesser: &mut Guesser) { [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] 59 - fn test_guesser(name: &str, guesser: &mut Guesser) { [INFO] [stdout] 59 + fn test_guesser(name: &str, guesser: &mut dyn Guesser) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:93:19 [INFO] [stdout] | [INFO] [stdout] 93 | guesser: &mut Guesser, [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] 93 - guesser: &mut Guesser, [INFO] [stdout] 93 + guesser: &mut dyn Guesser, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:94:21 [INFO] [stdout] | [INFO] [stdout] 94 | displayer: &mut Displayer, [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] 94 - displayer: &mut Displayer, [INFO] [stdout] 94 + displayer: &mut dyn Displayer, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:95:18 [INFO] [stdout] | [INFO] [stdout] 95 | random: &mut RandomGenerator, [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] 95 - random: &mut RandomGenerator, [INFO] [stdout] 95 + random: &mut dyn RandomGenerator, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.08s [INFO] running `Command { std: "docker" "inspect" "d6ae7e88c1246570a85fefaaf5f46c31660e9ea6d88bf7b81d6884ca646f8744", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6ae7e88c1246570a85fefaaf5f46c31660e9ea6d88bf7b81d6884ca646f8744", kill_on_drop: false }` [INFO] [stdout] d6ae7e88c1246570a85fefaaf5f46c31660e9ea6d88bf7b81d6884ca646f8744 [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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d15f64cbdf6f324a36530a3ba4ce9375c7c80405171b68cf439c9655f43774f1 [INFO] running `Command { std: "docker" "start" "-a" "d15f64cbdf6f324a36530a3ba4ce9375c7c80405171b68cf439c9655f43774f1", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling guessing_game v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:59:43 [INFO] [stdout] | [INFO] [stdout] 59 | fn test_guesser(name: &str, guesser: &mut Guesser) { [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] 59 - fn test_guesser(name: &str, guesser: &mut Guesser) { [INFO] [stdout] 59 + fn test_guesser(name: &str, guesser: &mut dyn Guesser) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:93:19 [INFO] [stdout] | [INFO] [stdout] 93 | guesser: &mut Guesser, [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] 93 - guesser: &mut Guesser, [INFO] [stdout] 93 + guesser: &mut dyn Guesser, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:94:21 [INFO] [stdout] | [INFO] [stdout] 94 | displayer: &mut Displayer, [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] 94 - displayer: &mut Displayer, [INFO] [stdout] 94 + displayer: &mut dyn Displayer, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:95:18 [INFO] [stdout] | [INFO] [stdout] 95 | random: &mut RandomGenerator, [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] 95 - random: &mut RandomGenerator, [INFO] [stdout] 95 + random: &mut dyn RandomGenerator, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.41s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/guessing_game-d9cc45b5a55db9f9) [INFO] running `Command { std: "docker" "inspect" "d15f64cbdf6f324a36530a3ba4ce9375c7c80405171b68cf439c9655f43774f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d15f64cbdf6f324a36530a3ba4ce9375c7c80405171b68cf439c9655f43774f1", kill_on_drop: false }` [INFO] [stdout] d15f64cbdf6f324a36530a3ba4ce9375c7c80405171b68cf439c9655f43774f1 [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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9d6e086001aa6a5a9a6d30785e2762b8445dd5b72e42b83a6a3afc612c2eac63 [INFO] running `Command { std: "docker" "start" "-a" "9d6e086001aa6a5a9a6d30785e2762b8445dd5b72e42b83a6a3afc612c2eac63", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:59:43 [INFO] [stderr] | [INFO] [stderr] 59 | fn test_guesser(name: &str, guesser: &mut Guesser) { [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] 59 - fn test_guesser(name: &str, guesser: &mut Guesser) { [INFO] [stderr] 59 + fn test_guesser(name: &str, guesser: &mut dyn Guesser) { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:93:19 [INFO] [stderr] | [INFO] [stderr] 93 | guesser: &mut Guesser, [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] 93 - guesser: &mut Guesser, [INFO] [stderr] 93 + guesser: &mut dyn Guesser, [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:94:21 [INFO] [stderr] | [INFO] [stderr] 94 | displayer: &mut Displayer, [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] 94 - displayer: &mut Displayer, [INFO] [stderr] 94 + displayer: &mut dyn Displayer, [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:95:18 [INFO] [stderr] | [INFO] [stderr] 95 | random: &mut RandomGenerator, [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] 95 - random: &mut RandomGenerator, [INFO] [stderr] 95 + random: &mut dyn RandomGenerator, [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `guessing_game` (bin "guessing_game" test) generated 4 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/guessing_game-d9cc45b5a55db9f9) [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" "9d6e086001aa6a5a9a6d30785e2762b8445dd5b72e42b83a6a3afc612c2eac63", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d6e086001aa6a5a9a6d30785e2762b8445dd5b72e42b83a6a3afc612c2eac63", kill_on_drop: false }` [INFO] [stdout] 9d6e086001aa6a5a9a6d30785e2762b8445dd5b72e42b83a6a3afc612c2eac63