[INFO] fetching crate ketos 0.12.0... [INFO] checking ketos-0.12.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate ketos 0.12.0 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate ketos 0.12.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ketos 0.12.0 [INFO] finished tweaking crates.io crate ketos 0.12.0 [INFO] tweaked toml for crates.io crate ketos 0.12.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate crates.io crate ketos 0.12.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_derive v1.0.104 [INFO] [stderr] Downloaded c2-chacha v0.2.3 [INFO] [stderr] Downloaded rand_chacha v0.2.1 [INFO] [stderr] Downloaded getrandom v0.1.13 [INFO] [stderr] Downloaded gumdrop v0.7.0 [INFO] [stderr] Downloaded gumdrop_derive v0.7.0 [INFO] [stderr] Downloaded num-traits v0.2.10 [INFO] [stderr] Downloaded ketos_derive v0.12.0 [INFO] [stderr] Downloaded backtrace v0.3.40 [INFO] [stderr] Downloaded rand v0.7.2 [INFO] [stderr] Downloaded syn v1.0.11 [INFO] [stderr] Downloaded unicode-normalization v0.1.11 [INFO] [stderr] Downloaded linefeed v0.6.0 [INFO] [stderr] Downloaded backtrace-sys v0.1.32 [INFO] [stderr] Downloaded num-bigint v0.2.3 [INFO] [stderr] Downloaded blake2b_simd v0.5.9 [INFO] [stderr] Downloaded num v0.2.0 [INFO] [stderr] Downloaded failure_derive v0.1.6 [INFO] [stderr] Downloaded failure v0.1.6 [INFO] [stderr] Downloaded terminfo v0.6.1 [INFO] [stderr] Downloaded smallvec v1.1.0 [INFO] [stderr] Downloaded synstructure v0.12.3 [INFO] [stderr] Downloaded smallvec v0.6.13 [INFO] [stderr] Downloaded smallstr v0.1.0 [INFO] [stderr] Downloaded serde v1.0.104 [INFO] [stderr] Downloaded num-complex v0.2.3 [INFO] [stderr] Downloaded wasi v0.7.0 [INFO] [stderr] Downloaded num-rational v0.2.2 [INFO] [stderr] Downloaded num-iter v0.1.39 [INFO] [stderr] Downloaded mortal v0.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 53d363d90f9c3852bc3d4f83495bc8fb15d817689d11c18aaa6ee9e80a085543 [INFO] running `Command { std: "docker" "start" "-a" "53d363d90f9c3852bc3d4f83495bc8fb15d817689d11c18aaa6ee9e80a085543", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "53d363d90f9c3852bc3d4f83495bc8fb15d817689d11c18aaa6ee9e80a085543", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53d363d90f9c3852bc3d4f83495bc8fb15d817689d11c18aaa6ee9e80a085543", kill_on_drop: false }` [INFO] [stdout] 53d363d90f9c3852bc3d4f83495bc8fb15d817689d11c18aaa6ee9e80a085543 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c79a5fc712ebb85115e5197a627b957b8cdb34de38dc186c0ea7fc2e20e4b5fd [INFO] running `Command { std: "docker" "start" "-a" "c79a5fc712ebb85115e5197a627b957b8cdb34de38dc186c0ea7fc2e20e4b5fd", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking smallvec v1.1.0 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Checking phf v0.7.24 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Checking unicode-normalization v0.1.11 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-bigint v0.2.3 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Checking smallstr v0.1.0 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking assert_matches v1.3.0 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling terminfo v0.6.1 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Compiling gumdrop_derive v0.7.0 [INFO] [stderr] Compiling ketos_derive v0.12.0 [INFO] [stderr] Checking gumdrop v0.7.0 [INFO] [stderr] Checking mortal v0.2.1 [INFO] [stderr] Checking linefeed v0.6.0 [INFO] [stderr] Checking ketos v0.12.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ketos/any.rs:102:17 [INFO] [stdout] | [INFO] [stdout] 102 | let b = SomeTrait::downcast::(a).unwrap_err(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 102 | let b = ::downcast::(a).unwrap_err(); [INFO] [stdout] | ++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ketos/any.rs:103:17 [INFO] [stdout] | [INFO] [stdout] 103 | let c = SomeTrait::downcast::(b).unwrap(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 103 | let c = ::downcast::(b).unwrap(); [INFO] [stdout] | ++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ketos/any.rs:112:17 [INFO] [stdout] | [INFO] [stdout] 112 | let b = SomeTrait::downcast_rc::(a).unwrap_err(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 112 | let b = ::downcast_rc::(a).unwrap_err(); [INFO] [stdout] | ++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ketos/any.rs:113:17 [INFO] [stdout] | [INFO] [stdout] 113 | let c = SomeTrait::downcast_rc::(b).unwrap(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 113 | let c = ::downcast_rc::(b).unwrap(); [INFO] [stdout] | ++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ketos/structs.rs:116:17 [INFO] [stdout] | [INFO] [stdout] 116 | ForeignValue::downcast_rc::(fv) [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 116 | ::downcast_rc::(fv) [INFO] [stdout] | ++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ketos/structs.rs:116:17 [INFO] [stdout] | [INFO] [stdout] 116 | ForeignValue::downcast_rc::(fv) [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 116 | ::downcast_rc::(fv) [INFO] [stdout] | ++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/ketos/compile.rs:333:9 [INFO] [stdout] | [INFO] [stdout] 333 | replace(&mut self.blocks, new_blocks); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 333 | let _ = replace(&mut self.blocks, new_blocks); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/ketos/compile.rs:333:9 [INFO] [stdout] | [INFO] [stdout] 333 | replace(&mut self.blocks, new_blocks); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 333 | let _ = replace(&mut self.blocks, new_blocks); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/test_derive.rs:9:16 [INFO] [stdout] | [INFO] [stdout] 9 | struct NoClone(&'static str); [INFO] [stdout] | ------- ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `NoClone` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/test_derive.rs:12:15 [INFO] [stdout] | [INFO] [stdout] 12 | struct Cloner(&'static str); [INFO] [stdout] | ------ ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `Cloner` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.77s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3, terminfo v0.6.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "c79a5fc712ebb85115e5197a627b957b8cdb34de38dc186c0ea7fc2e20e4b5fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c79a5fc712ebb85115e5197a627b957b8cdb34de38dc186c0ea7fc2e20e4b5fd", kill_on_drop: false }` [INFO] [stdout] c79a5fc712ebb85115e5197a627b957b8cdb34de38dc186c0ea7fc2e20e4b5fd