[INFO] cloning repository https://github.com/jflc/rug [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jflc/rug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjflc%2Frug", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjflc%2Frug'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 44d17c7d1503f891365a04a74ccbdb2fd9dcc200 [INFO] checking jflc/rug against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjflc%2Frug" "/workspace/builds/worker-61/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-61/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jflc/rug on toolchain 39e1293fce4b650061e85dda88aa428f726a8444 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jflc/rug [INFO] finished tweaking git repo https://github.com/jflc/rug [INFO] tweaked toml for git repo https://github.com/jflc/rug written to /workspace/builds/worker-61/source/Cargo.toml [INFO] crate git repo https://github.com/jflc/rug already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2d297e3ca6802c1986c35d973a958a1f631906e45aefd0bb740aff41db9833a3 [INFO] running `Command { std: "docker" "start" "-a" "2d297e3ca6802c1986c35d973a958a1f631906e45aefd0bb740aff41db9833a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2d297e3ca6802c1986c35d973a958a1f631906e45aefd0bb740aff41db9833a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d297e3ca6802c1986c35d973a958a1f631906e45aefd0bb740aff41db9833a3", kill_on_drop: false }` [INFO] [stdout] 2d297e3ca6802c1986c35d973a958a1f631906e45aefd0bb740aff41db9833a3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cc249bb95f3557ccbbb459b5b61fe1616ac2d071f742979efa7b7ce9e4e7eded [INFO] running `Command { std: "docker" "start" "-a" "cc249bb95f3557ccbbb459b5b61fe1616ac2d071f742979efa7b7ce9e4e7eded", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking rand_core v0.3.0 [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking yaml-rust v0.3.5 [INFO] [stderr] Checking vec_map v0.8.1 [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] Checking textwrap v0.10.0 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.0 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking rug v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/generator/aux_generator.rs:7:14 [INFO] [stdout] | [INFO] [stdout] 7 | rng: Box [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn RngCore` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/generator/range_generator.rs:7:14 [INFO] [stdout] | [INFO] [stdout] 7 | rng: Box [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn RngCore` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/generator/choose_generator.rs:7:14 [INFO] [stdout] | [INFO] [stdout] 7 | rng: Box [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn RngCore` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/generator/shuffle_generator.rs:8:14 [INFO] [stdout] | [INFO] [stdout] 8 | rng: Box [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn RngCore` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/generator/swap_generator.rs:7:14 [INFO] [stdout] | [INFO] [stdout] 7 | rng: Box [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn RngCore` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/generator/aux_generator.rs:7:14 [INFO] [stdout] | [INFO] [stdout] 7 | rng: Box [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn RngCore` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/generator/range_generator.rs:7:14 [INFO] [stdout] | [INFO] [stdout] 7 | rng: Box [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn RngCore` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/generator/choose_generator.rs:7:14 [INFO] [stdout] | [INFO] [stdout] 7 | rng: Box [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn RngCore` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/generator/shuffle_generator.rs:8:14 [INFO] [stdout] | [INFO] [stdout] 8 | rng: Box [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn RngCore` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/generator/swap_generator.rs:7:14 [INFO] [stdout] | [INFO] [stdout] 7 | rng: Box [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn RngCore` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:26:39 [INFO] [stdout] | [INFO] [stdout] 26 | fn create_generator(&self) -> Box { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:26:39 [INFO] [stdout] | [INFO] [stdout] 26 | fn create_generator(&self) -> Box { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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 [unoptimized + debuginfo] target(s) in 9.63s [INFO] running `Command { std: "docker" "inspect" "cc249bb95f3557ccbbb459b5b61fe1616ac2d071f742979efa7b7ce9e4e7eded", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc249bb95f3557ccbbb459b5b61fe1616ac2d071f742979efa7b7ce9e4e7eded", kill_on_drop: false }` [INFO] [stdout] cc249bb95f3557ccbbb459b5b61fe1616ac2d071f742979efa7b7ce9e4e7eded