[INFO] fetching crate stringtree 0.2.0... [INFO] checking stringtree-0.2.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] extracting crate stringtree 0.2.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate stringtree 0.2.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate stringtree 0.2.0 [INFO] finished tweaking crates.io crate stringtree 0.2.0 [INFO] tweaked toml for crates.io crate stringtree 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ff8cf1ee3f682adfa53fb87e8ba1a8a31b487fba21dc47597d2015070b02bbf5 [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" "ff8cf1ee3f682adfa53fb87e8ba1a8a31b487fba21dc47597d2015070b02bbf5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ff8cf1ee3f682adfa53fb87e8ba1a8a31b487fba21dc47597d2015070b02bbf5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff8cf1ee3f682adfa53fb87e8ba1a8a31b487fba21dc47597d2015070b02bbf5", kill_on_drop: false }` [INFO] [stdout] ff8cf1ee3f682adfa53fb87e8ba1a8a31b487fba21dc47597d2015070b02bbf5 [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=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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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] f6966f2ef7d83ec2c67b64fe53cdd18dd5fbd4718e01b060c1c4ede08940c7c9 [INFO] running `Command { std: "docker" "start" "-a" "f6966f2ef7d83ec2c67b64fe53cdd18dd5fbd4718e01b060c1c4ede08940c7c9", kill_on_drop: false }` [INFO] [stderr] Checking stringtree v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:13:6 [INFO] [stdout] | [INFO] [stdout] 13 | impl StringTree { [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn StringTree` [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/lib.rs:14:22 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn new(s: &[&StringTree]) -> StringTreeBuf { [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn StringTree` [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/lib.rs:73:44 [INFO] [stdout] | [INFO] [stdout] 73 | pub type StringTreeOption<'a> = Option<&'a StringTree>; [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn StringTree` [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/lib.rs:84:29 [INFO] [stdout] | [INFO] [stdout] 84 | pub type StringTreeFn = Box &'static str>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> &'static str` [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/lib.rs:124:17 [INFO] [stdout] | [INFO] [stdout] 124 | let c: &StringTree = &StringTree::new(&[&"opt"]); [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn StringTree` [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/lib.rs:99:18 [INFO] [stdout] | [INFO] [stdout] 99 | let i0 = StringTree::indent(&"x"); [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `` [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/lib.rs:112:20 [INFO] [stdout] | [INFO] [stdout] 112 | assert_eq!(StringTree::new(&[]).to_string(), ""); [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `` [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/lib.rs:113:20 [INFO] [stdout] | [INFO] [stdout] 113 | assert_eq!(StringTree::new(&[&"foo"]).to_string(), "foo"); [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `` [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/lib.rs:114:20 [INFO] [stdout] | [INFO] [stdout] 114 | assert_eq!(StringTree::new(&[&"foo", &"bar"]).to_string(), "foobar"); [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `` [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/lib.rs:116:18 [INFO] [stdout] | [INFO] [stdout] 116 | let i2 = StringTree::indent("x").next().next(); [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `` [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/lib.rs:117:20 [INFO] [stdout] | [INFO] [stdout] 117 | assert_eq!(StringTree::new(&[&i2, &"bar"]).to_string(), "xxbar"); [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `` [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/lib.rs:120:20 [INFO] [stdout] | [INFO] [stdout] 120 | assert_eq!(StringTree::new(&[&f]).to_string(), "foo"); [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `` [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/lib.rs:121:20 [INFO] [stdout] | [INFO] [stdout] 121 | assert_eq!(StringTree::new(&[&"bar", &f]).to_string(), "barfoo"); [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `` [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/lib.rs:124:31 [INFO] [stdout] | [INFO] [stdout] 124 | let c: &StringTree = &StringTree::new(&[&"opt"]); [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `` [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/lib.rs:126:20 [INFO] [stdout] | [INFO] [stdout] 126 | assert_eq!(StringTree::new(&[&none]).to_string(), ""); [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `` [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/lib.rs:127:20 [INFO] [stdout] | [INFO] [stdout] 127 | assert_eq!(StringTree::new(&[&some]).to_string(), "opt"); [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `` [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/lib.rs:128:20 [INFO] [stdout] | [INFO] [stdout] 128 | assert_eq!(StringTree::new(&[&"foo", &none, &some]).to_string(), "fooopt"); [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `` [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/lib.rs:13:6 [INFO] [stdout] | [INFO] [stdout] 13 | impl StringTree { [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn StringTree` [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/lib.rs:14:22 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn new(s: &[&StringTree]) -> StringTreeBuf { [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn StringTree` [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/lib.rs:73:44 [INFO] [stdout] | [INFO] [stdout] 73 | pub type StringTreeOption<'a> = Option<&'a StringTree>; [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn StringTree` [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/lib.rs:84:29 [INFO] [stdout] | [INFO] [stdout] 84 | pub type StringTreeFn = Box &'static str>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> &'static str` [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: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `Command { std: "docker" "inspect" "f6966f2ef7d83ec2c67b64fe53cdd18dd5fbd4718e01b060c1c4ede08940c7c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6966f2ef7d83ec2c67b64fe53cdd18dd5fbd4718e01b060c1c4ede08940c7c9", kill_on_drop: false }` [INFO] [stdout] f6966f2ef7d83ec2c67b64fe53cdd18dd5fbd4718e01b060c1c4ede08940c7c9