[INFO] fetching crate reproto-derive 0.3.36... [INFO] checking reproto-derive-0.3.36 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710 [INFO] extracting crate reproto-derive 0.3.36 into /workspace/builds/worker-92/source [INFO] validating manifest of crates.io crate reproto-derive 0.3.36 on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "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-92/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "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-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9e5912586cc224ffa73f5452175350c729589e2b9dde6cc1ba299f16396820cd [INFO] running `Command { std: "docker" "start" "-a" "9e5912586cc224ffa73f5452175350c729589e2b9dde6cc1ba299f16396820cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9e5912586cc224ffa73f5452175350c729589e2b9dde6cc1ba299f16396820cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e5912586cc224ffa73f5452175350c729589e2b9dde6cc1ba299f16396820cd", kill_on_drop: false }` [INFO] [stdout] 9e5912586cc224ffa73f5452175350c729589e2b9dde6cc1ba299f16396820cd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d65317cca7c1981220e2578908a23c5278a1fc3073196ad2dcdbcecfd880957b [INFO] running `Command { std: "docker" "start" "-a" "d65317cca7c1981220e2578908a23c5278a1fc3073196ad2dcdbcecfd880957b", 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] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling serde v1.0.129 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling libc v0.2.100 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking unicode-segmentation v1.8.0 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Compiling serde_json v1.0.66 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Checking object v0.26.1 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking ropey v0.6.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Checking Inflector v0.11.4 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking backtrace v0.3.61 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Compiling serde_derive v1.0.129 [INFO] [stderr] Checking serde_test v1.0.129 [INFO] [stderr] Checking reproto-semver v0.3.36 [INFO] [stderr] Checking relative-path v0.3.7 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking serde_yaml v0.7.5 [INFO] [stderr] Checking reproto-core v0.3.36 [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 [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 [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 [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 [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 [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 [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 [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 [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 [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 [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 [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 [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 [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 [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 43.99s [INFO] running `Command { std: "docker" "inspect" "d65317cca7c1981220e2578908a23c5278a1fc3073196ad2dcdbcecfd880957b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d65317cca7c1981220e2578908a23c5278a1fc3073196ad2dcdbcecfd880957b", kill_on_drop: false }` [INFO] [stdout] d65317cca7c1981220e2578908a23c5278a1fc3073196ad2dcdbcecfd880957b