[INFO] fetching crate refren 0.1.0... [INFO] checking refren-0.1.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050 [INFO] extracting crate refren 0.1.0 into /workspace/builds/worker-11/source [INFO] validating manifest of crates.io crate refren 0.1.0 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate refren 0.1.0 [INFO] finished tweaking crates.io crate refren 0.1.0 [INFO] tweaked toml for crates.io crate refren 0.1.0 written to /workspace/builds/worker-11/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 073b2df3b2a7003e01958c515001cca7b83a676ca156c9d461010429301b8926 [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" "073b2df3b2a7003e01958c515001cca7b83a676ca156c9d461010429301b8926", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "073b2df3b2a7003e01958c515001cca7b83a676ca156c9d461010429301b8926", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "073b2df3b2a7003e01958c515001cca7b83a676ca156c9d461010429301b8926", kill_on_drop: false }` [INFO] [stdout] 073b2df3b2a7003e01958c515001cca7b83a676ca156c9d461010429301b8926 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e3407fdc0bee75015f17b25664eaad95452e6e61b9660808e6469ebc95a74a35 [INFO] running `Command { std: "docker" "start" "-a" "e3407fdc0bee75015f17b25664eaad95452e6e61b9660808e6469ebc95a74a35", kill_on_drop: false }` [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking refren v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/name.rs:41:42 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn singular<'a>(&'a self) -> Box + 'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/name.rs:68:32 [INFO] [stdout] | [INFO] [stdout] 68 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/transform.rs:4:38 [INFO] [stdout] | [INFO] [stdout] 4 | fn transform(&self, reader: &mut io::Read, writer: &mut io::Write) -> io::Result<()>; [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/transform.rs:4:61 [INFO] [stdout] | [INFO] [stdout] 4 | fn transform(&self, reader: &mut io::Read, writer: &mut io::Write) -> io::Result<()>; [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn io::Write` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/transform.rs:138:42 [INFO] [stdout] | [INFO] [stdout] 138 | fn transform(&self, reader: &mut io::Read, writer: &mut io::Write) -> io::Result<()> { [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/transform.rs:138:65 [INFO] [stdout] | [INFO] [stdout] 138 | fn transform(&self, reader: &mut io::Read, writer: &mut io::Write) -> io::Result<()> { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn io::Write` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/transform.rs:228:85 [INFO] [stdout] | [INFO] [stdout] 228 | pub fn default_transformer>(map: I) -> Box { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Transform` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:24:61 [INFO] [stdout] | [INFO] [stdout] 24 | fn run_command(args_os: std::env::ArgsOs) -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:77:31 [INFO] [stdout] | [INFO] [stdout] 77 | fn process_file(transformer: &Transform, file_name: &str) -> io::Result<()> { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Transform` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/name.rs:41:42 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn singular<'a>(&'a self) -> Box + 'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'a` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/name.rs:68:32 [INFO] [stdout] | [INFO] [stdout] 68 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/transform.rs:4:38 [INFO] [stdout] | [INFO] [stdout] 4 | fn transform(&self, reader: &mut io::Read, writer: &mut io::Write) -> io::Result<()>; [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/transform.rs:4:61 [INFO] [stdout] | [INFO] [stdout] 4 | fn transform(&self, reader: &mut io::Read, writer: &mut io::Write) -> io::Result<()>; [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn io::Write` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/transform.rs:138:42 [INFO] [stdout] | [INFO] [stdout] 138 | fn transform(&self, reader: &mut io::Read, writer: &mut io::Write) -> io::Result<()> { [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/transform.rs:138:65 [INFO] [stdout] | [INFO] [stdout] 138 | fn transform(&self, reader: &mut io::Read, writer: &mut io::Write) -> io::Result<()> { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn io::Write` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/transform.rs:228:85 [INFO] [stdout] | [INFO] [stdout] 228 | pub fn default_transformer>(map: I) -> Box { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Transform` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:24:61 [INFO] [stdout] | [INFO] [stdout] 24 | fn run_command(args_os: std::env::ArgsOs) -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:77:31 [INFO] [stdout] | [INFO] [stdout] 77 | fn process_file(transformer: &Transform, file_name: &str) -> io::Result<()> { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Transform` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.97s [INFO] running `Command { std: "docker" "inspect" "e3407fdc0bee75015f17b25664eaad95452e6e61b9660808e6469ebc95a74a35", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3407fdc0bee75015f17b25664eaad95452e6e61b9660808e6469ebc95a74a35", kill_on_drop: false }` [INFO] [stdout] e3407fdc0bee75015f17b25664eaad95452e6e61b9660808e6469ebc95a74a35