[INFO] fetching crate prefixopt 0.4.0... [INFO] testing prefixopt-0.4.0 against 1.49.0 for beta-1.50-1 [INFO] extracting crate prefixopt 0.4.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate prefixopt 0.4.0 on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate prefixopt 0.4.0 [INFO] finished tweaking crates.io crate prefixopt 0.4.0 [INFO] tweaked toml for crates.io crate prefixopt 0.4.0 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3dbd067e95352777dc98f7b10509ef3035346f245a509d8ac555632f220af497 [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" "3dbd067e95352777dc98f7b10509ef3035346f245a509d8ac555632f220af497", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3dbd067e95352777dc98f7b10509ef3035346f245a509d8ac555632f220af497", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3dbd067e95352777dc98f7b10509ef3035346f245a509d8ac555632f220af497", kill_on_drop: false }` [INFO] [stdout] 3dbd067e95352777dc98f7b10509ef3035346f245a509d8ac555632f220af497 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 25d26869d422ccbe8bc3c75e7c25d1c18e311e2118a53c734407dd5b7d60d683 [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" "25d26869d422ccbe8bc3c75e7c25d1c18e311e2118a53c734407dd5b7d60d683", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling scopeguard v0.2.0 [INFO] [stderr] Compiling map_in_place v0.1.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling prefixopt v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parsable.rs:56:42 [INFO] [stdout] | [INFO] [stdout] 56 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parsable.rs:80:42 [INFO] [stdout] | [INFO] [stdout] 80 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parsable.rs:98:42 [INFO] [stdout] | [INFO] [stdout] 98 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/core.rs:9:69 [INFO] [stdout] | [INFO] [stdout] 9 | Self::Container::concat_prefix(&ConcatRef::from(&prefix as &Display)) [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/core.rs:15:42 [INFO] [stdout] | [INFO] [stdout] 15 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self; [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/std_impl.rs:13:42 [INFO] [stdout] | [INFO] [stdout] 13 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/std_impl.rs:39:42 [INFO] [stdout] | [INFO] [stdout] 39 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> bin/example_1.rs:53:42 [INFO] [stdout] | [INFO] [stdout] 53 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> bin/example_1.rs:68:42 [INFO] [stdout] | [INFO] [stdout] 68 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.22s [INFO] running `Command { std: "docker" "inspect" "25d26869d422ccbe8bc3c75e7c25d1c18e311e2118a53c734407dd5b7d60d683", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25d26869d422ccbe8bc3c75e7c25d1c18e311e2118a53c734407dd5b7d60d683", kill_on_drop: false }` [INFO] [stdout] 25d26869d422ccbe8bc3c75e7c25d1c18e311e2118a53c734407dd5b7d60d683 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7749e2ae575537f4485b2f488f967dbe8f3be9cb27afc0af0600efa82026a23a [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" "7749e2ae575537f4485b2f488f967dbe8f3be9cb27afc0af0600efa82026a23a", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling prefixopt v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parsable.rs:56:42 [INFO] [stdout] | [INFO] [stdout] 56 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parsable.rs:80:42 [INFO] [stdout] | [INFO] [stdout] 80 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parsable.rs:98:42 [INFO] [stdout] | [INFO] [stdout] 98 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/core.rs:9:69 [INFO] [stdout] | [INFO] [stdout] 9 | Self::Container::concat_prefix(&ConcatRef::from(&prefix as &Display)) [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/core.rs:15:42 [INFO] [stdout] | [INFO] [stdout] 15 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self; [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/std_impl.rs:13:42 [INFO] [stdout] | [INFO] [stdout] 13 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/std_impl.rs:39:42 [INFO] [stdout] | [INFO] [stdout] 39 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> bin/example_1.rs:53:42 [INFO] [stdout] | [INFO] [stdout] 53 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> bin/example_1.rs:68:42 [INFO] [stdout] | [INFO] [stdout] 68 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parsable.rs:56:42 [INFO] [stdout] | [INFO] [stdout] 56 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parsable.rs:80:42 [INFO] [stdout] | [INFO] [stdout] 80 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/parsable.rs:98:42 [INFO] [stdout] | [INFO] [stdout] 98 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/core.rs:9:69 [INFO] [stdout] | [INFO] [stdout] 9 | Self::Container::concat_prefix(&ConcatRef::from(&prefix as &Display)) [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/core.rs:15:42 [INFO] [stdout] | [INFO] [stdout] 15 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self; [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/std_impl.rs:13:42 [INFO] [stdout] | [INFO] [stdout] 13 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/std_impl.rs:39:42 [INFO] [stdout] | [INFO] [stdout] 39 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> bin/example_1.rs:53:42 [INFO] [stdout] | [INFO] [stdout] 53 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> bin/example_1.rs:68:42 [INFO] [stdout] | [INFO] [stdout] 68 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.12s [INFO] running `Command { std: "docker" "inspect" "7749e2ae575537f4485b2f488f967dbe8f3be9cb27afc0af0600efa82026a23a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7749e2ae575537f4485b2f488f967dbe8f3be9cb27afc0af0600efa82026a23a", kill_on_drop: false }` [INFO] [stdout] 7749e2ae575537f4485b2f488f967dbe8f3be9cb27afc0af0600efa82026a23a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c9b0fb0dac047b7e63458f30c613c5731476284059866c67b8e9a983846730ee [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" "c9b0fb0dac047b7e63458f30c613c5731476284059866c67b8e9a983846730ee", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parsable.rs:56:42 [INFO] [stderr] | [INFO] [stderr] 56 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parsable.rs:80:42 [INFO] [stderr] | [INFO] [stderr] 80 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parsable.rs:98:42 [INFO] [stderr] | [INFO] [stderr] 98 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/core.rs:9:69 [INFO] [stderr] | [INFO] [stderr] 9 | Self::Container::concat_prefix(&ConcatRef::from(&prefix as &Display)) [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/core.rs:15:42 [INFO] [stderr] | [INFO] [stderr] 15 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self; [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/std_impl.rs:13:42 [INFO] [stderr] | [INFO] [stderr] 13 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/std_impl.rs:39:42 [INFO] [stderr] | [INFO] [stderr] 39 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parsable.rs:56:42 [INFO] [stderr] | [INFO] [stderr] 56 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parsable.rs:80:42 [INFO] [stderr] | [INFO] [stderr] 80 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parsable.rs:98:42 [INFO] [stderr] | [INFO] [stderr] 98 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/core.rs:9:69 [INFO] [stderr] | [INFO] [stderr] 9 | Self::Container::concat_prefix(&ConcatRef::from(&prefix as &Display)) [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/core.rs:15:42 [INFO] [stderr] | [INFO] [stderr] 15 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self; [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/std_impl.rs:13:42 [INFO] [stderr] | [INFO] [stderr] 13 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/std_impl.rs:39:42 [INFO] [stderr] | [INFO] [stderr] 39 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> bin/example_1.rs:53:42 [INFO] [stderr] | [INFO] [stderr] 53 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> bin/example_1.rs:68:42 [INFO] [stderr] | [INFO] [stderr] 68 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> bin/example_1.rs:53:42 [INFO] [stderr] | [INFO] [stderr] 53 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> bin/example_1.rs:68:42 [INFO] [stderr] | [INFO] [stderr] 68 | fn concat_prefix(prefix: &ConcatRef<&Display>) -> Self { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Display` [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/prefixopt-50aaa7d4e8f6680e [INFO] [stderr] Running /opt/rustwide/target/debug/deps/example_1-341c2f9fb453525f [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 [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/stdlib-cccb739ac3b0bcb9 [INFO] [stdout] [INFO] [stderr] Doc-tests prefixopt [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test test_box_no_opt ... ok [INFO] [stdout] test test_box ... ok [INFO] [stdout] test test_option_none ... ok [INFO] [stdout] test test_option_some ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [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 [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c9b0fb0dac047b7e63458f30c613c5731476284059866c67b8e9a983846730ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9b0fb0dac047b7e63458f30c613c5731476284059866c67b8e9a983846730ee", kill_on_drop: false }` [INFO] [stdout] c9b0fb0dac047b7e63458f30c613c5731476284059866c67b8e9a983846730ee