[INFO] fetching crate reproto-derive 0.3.36... [INFO] checking reproto-derive-0.3.36 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050 [INFO] extracting crate reproto-derive 0.3.36 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate reproto-derive 0.3.36 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 reproto-derive 0.3.36 [INFO] finished tweaking crates.io crate reproto-derive 0.3.36 [INFO] tweaked toml for crates.io crate reproto-derive 0.3.36 written to /workspace/builds/worker-3/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 9ba6e333e1b7d06ea475d3df1556116a40769cdf846ff92d6416d0106842b904 [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" "9ba6e333e1b7d06ea475d3df1556116a40769cdf846ff92d6416d0106842b904", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9ba6e333e1b7d06ea475d3df1556116a40769cdf846ff92d6416d0106842b904", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ba6e333e1b7d06ea475d3df1556116a40769cdf846ff92d6416d0106842b904", kill_on_drop: false }` [INFO] [stdout] 9ba6e333e1b7d06ea475d3df1556116a40769cdf846ff92d6416d0106842b904 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] c1066aa6d880b1c5ec246458a31240bb05b977453a6aeb67bb39dbe3902eaaf3 [INFO] running `Command { std: "docker" "start" "-a" "c1066aa6d880b1c5ec246458a31240bb05b977453a6aeb67bb39dbe3902eaaf3", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking unicode-segmentation v1.8.0 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking ropey v0.6.3 [INFO] [stderr] Checking object v0.25.3 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking num-integer v0.1.44 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking Inflector v0.11.4 [INFO] [stderr] Checking serde_test v1.0.126 [INFO] [stderr] Checking relative-path v0.3.7 [INFO] [stderr] Checking reproto-semver v0.3.36 [INFO] [stderr] Checking backtrace v0.3.60 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking reproto-core v0.3.36 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking serde_yaml v0.7.5 [INFO] [stderr] Checking reproto-lexer v0.3.36 [INFO] [stderr] Checking reproto-ast v0.3.36 [INFO] [stderr] Checking reproto-derive v0.3.36 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> format.rs:22:36 [INFO] [stdout] | [INFO] [stdout] 22 | fn as_object(&self) -> Option<&Object>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Object` [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] --> json.rs:37:36 [INFO] [stdout] | [INFO] [stdout] 37 | fn as_object(&self) -> Option<&format::Object> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn format::Object` [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] --> json.rs:39:64 [INFO] [stdout] | [INFO] [stdout] 39 | json::Value::Object(ref object) => Some(object as &format::Object), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn format::Object` [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] --> yaml.rs:29:36 [INFO] [stdout] | [INFO] [stdout] 29 | fn as_object(&self) -> Option<&format::Object> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn format::Object` [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] --> yaml.rs:31:67 [INFO] [stdout] | [INFO] [stdout] 31 | yaml::Value::Mapping(ref mapping) => Some(mapping as &format::Object), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn format::Object` [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] --> lib.rs:37:17 [INFO] [stdout] | [INFO] [stdout] 37 | format: Box, [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn format::Format` [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] --> lib.rs:84:21 [INFO] [stdout] | [INFO] [stdout] 84 | format: Box, [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn format::Format` [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] --> format.rs:22:36 [INFO] [stdout] | [INFO] [stdout] 22 | fn as_object(&self) -> Option<&Object>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Object` [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] --> json.rs:37:36 [INFO] [stdout] | [INFO] [stdout] 37 | fn as_object(&self) -> Option<&format::Object> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn format::Object` [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] --> json.rs:39:64 [INFO] [stdout] | [INFO] [stdout] 39 | json::Value::Object(ref object) => Some(object as &format::Object), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn format::Object` [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] --> yaml.rs:29:36 [INFO] [stdout] | [INFO] [stdout] 29 | fn as_object(&self) -> Option<&format::Object> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn format::Object` [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] --> yaml.rs:31:67 [INFO] [stdout] | [INFO] [stdout] 31 | yaml::Value::Mapping(ref mapping) => Some(mapping as &format::Object), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn format::Object` [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] --> lib.rs:37:17 [INFO] [stdout] | [INFO] [stdout] 37 | format: Box, [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn format::Format` [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] --> lib.rs:84:21 [INFO] [stdout] | [INFO] [stdout] 84 | format: Box, [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn format::Format` [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: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> sir.rs:105:13 [INFO] [stdout] | [INFO] [stdout] 105 | mem::replace(self, replace); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> sir.rs:105:13 [INFO] [stdout] | [INFO] [stdout] 105 | mem::replace(self, replace); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 30.41s [INFO] running `Command { std: "docker" "inspect" "c1066aa6d880b1c5ec246458a31240bb05b977453a6aeb67bb39dbe3902eaaf3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1066aa6d880b1c5ec246458a31240bb05b977453a6aeb67bb39dbe3902eaaf3", kill_on_drop: false }` [INFO] [stdout] c1066aa6d880b1c5ec246458a31240bb05b977453a6aeb67bb39dbe3902eaaf3