[INFO] fetching crate refren 0.1.0... [INFO] checking refren-0.1.0 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194 [INFO] extracting crate refren 0.1.0 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate refren 0.1.0 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "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-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 258f139ec75b8cc50570d321615b06469f24f7b60f34f9c71d2af350845a4b20 [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" "258f139ec75b8cc50570d321615b06469f24f7b60f34f9c71d2af350845a4b20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "258f139ec75b8cc50570d321615b06469f24f7b60f34f9c71d2af350845a4b20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "258f139ec75b8cc50570d321615b06469f24f7b60f34f9c71d2af350845a4b20", kill_on_drop: false }` [INFO] [stdout] 258f139ec75b8cc50570d321615b06469f24f7b60f34f9c71d2af350845a4b20 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3d489ebfa1e32efdf9dbb8e55f877e97fc4f9423694f395fd1a5fc37acb3d631 [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" "3d489ebfa1e32efdf9dbb8e55f877e97fc4f9423694f395fd1a5fc37acb3d631", kill_on_drop: false }` [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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 3.73s [INFO] running `Command { std: "docker" "inspect" "3d489ebfa1e32efdf9dbb8e55f877e97fc4f9423694f395fd1a5fc37acb3d631", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d489ebfa1e32efdf9dbb8e55f877e97fc4f9423694f395fd1a5fc37acb3d631", kill_on_drop: false }` [INFO] [stdout] 3d489ebfa1e32efdf9dbb8e55f877e97fc4f9423694f395fd1a5fc37acb3d631