[INFO] fetching crate num_identities_const 0.1.0... [INFO] testing num_identities_const-0.1.0 against 1.90.0 for beta-1.91-3 [INFO] extracting crate num_identities_const 0.1.0 into /workspace/builds/worker-1-tc1/source [INFO] started tweaking crates.io crate num_identities_const 0.1.0 [INFO] finished tweaking crates.io crate num_identities_const 0.1.0 [INFO] tweaked toml for crates.io crate num_identities_const 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate num_identities_const 0.1.0 on toolchain 1.90.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 17 packages to latest compatible versions [INFO] [stderr] Adding fn_zip v0.1.2 (available: v0.2.4) [INFO] [stderr] Adding moddef v0.2.6 (available: v0.3.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tupleops-generator v0.1.0 [INFO] [stderr] Downloaded num v0.4.3 [INFO] [stderr] Downloaded moddef v0.2.6 [INFO] [stderr] Downloaded tupleops-macros v0.1.0 [INFO] [stderr] Downloaded tupleops v0.1.1 [INFO] [stderr] Downloaded fn_zip v0.1.2 [INFO] [stderr] Downloaded num-iter v0.1.45 [INFO] [stderr] Downloaded num-complex v0.4.6 [INFO] [stderr] Downloaded num-rational v0.4.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6ec576fb83a10059b14d1e01162e2304f95eedc58790bd4dd2e59de5d1954851 [INFO] running `Command { std: "docker" "start" "-a" "6ec576fb83a10059b14d1e01162e2304f95eedc58790bd4dd2e59de5d1954851", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6ec576fb83a10059b14d1e01162e2304f95eedc58790bd4dd2e59de5d1954851", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ec576fb83a10059b14d1e01162e2304f95eedc58790bd4dd2e59de5d1954851", kill_on_drop: false }` [INFO] [stdout] 6ec576fb83a10059b14d1e01162e2304f95eedc58790bd4dd2e59de5d1954851 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1f9a3aa13916d5ee46bcd5602c7b367486626d00fe9cf998d0bb44f84ebbb31b [INFO] running `Command { std: "docker" "start" "-a" "1f9a3aa13916d5ee46bcd5602c7b367486626d00fe9cf998d0bb44f84ebbb31b", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling quote v1.0.41 [INFO] [stderr] Compiling unicode-ident v1.0.19 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling tupleops-generator v0.1.0 [INFO] [stderr] Compiling moddef v0.2.6 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Compiling num-complex v0.4.6 [INFO] [stderr] Compiling num-bigint v0.4.6 [INFO] [stderr] Compiling num-iter v0.1.45 [INFO] [stderr] Compiling num-rational v0.4.2 [INFO] [stderr] Compiling num v0.4.3 [INFO] [stderr] Compiling tupleops-macros v0.1.0 [INFO] [stderr] Compiling tupleops v0.1.1 [INFO] [stderr] Compiling fn_zip v0.1.2 [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fn_zip-0.1.2/src/lib.rs:29:1 [INFO] [stdout] | [INFO] [stdout] 29 | #![feature(unboxed_closures)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fn_zip-0.1.2/src/lib.rs:30:1 [INFO] [stdout] | [INFO] [stdout] 30 | #![feature(tuple_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fn_zip-0.1.2/src/lib.rs:31:1 [INFO] [stdout] | [INFO] [stdout] 31 | #![feature(const_trait_impl)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fn_zip-0.1.2/src/lib.rs:32:1 [INFO] [stdout] | [INFO] [stdout] 32 | #![feature(fn_traits)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fn_zip-0.1.2/src/lib.rs:33:1 [INFO] [stdout] | [INFO] [stdout] 33 | #![feature(associated_type_bounds)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute [INFO] [stdout] | [INFO] [stdout] = help: the feature `associated_type_bounds` has been stable since `1.79.0` and no longer requires an attribute to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fn_zip-0.1.2/src/lib.rs:34:1 [INFO] [stdout] | [INFO] [stdout] 34 | #![feature(const_mut_refs)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute [INFO] [stdout] | [INFO] [stdout] = help: the feature `const_mut_refs` has been stable since `1.83.0` and no longer requires an attribute to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fn_zip-0.1.2/src/lib.rs:35:1 [INFO] [stdout] | [INFO] [stdout] 35 | #![feature(transmutability)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fn_zip-0.1.2/src/lib.rs:36:1 [INFO] [stdout] | [INFO] [stdout] 36 | #![feature(trait_alias)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fn_zip-0.1.2/src/lib.rs:37:1 [INFO] [stdout] | [INFO] [stdout] 37 | #![feature(cfg_accessible)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fn_zip-0.1.2/src/lib.rs:38:1 [INFO] [stdout] | [INFO] [stdout] 38 | #![feature(array_methods)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `const_destruct` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fn_zip-0.1.2/src/zipped_fn.rs:1:41 [INFO] [stdout] | [INFO] [stdout] 1 | use core::{marker::{Tuple, PhantomData, Destruct}, mem::ManuallyDrop}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #133214 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `const_destruct` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fn_zip-0.1.2/src/zipped_fn.rs:50:44 [INFO] [stdout] | [INFO] [stdout] 50 | LF: /*~const*/ FnOnce + /*~const*/ Destruct, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #133214 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `const_destruct` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fn_zip-0.1.2/src/zipped_fn.rs:51:44 [INFO] [stdout] | [INFO] [stdout] 51 | RF: /*~const*/ FnOnce + /*~const*/ Destruct, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #133214 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `const_destruct` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fn_zip-0.1.2/src/zipped_fn.rs:67:43 [INFO] [stdout] | [INFO] [stdout] 67 | LF: /*~const*/ FnMut + /*~const*/ Destruct, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #133214 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `const_destruct` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fn_zip-0.1.2/src/zipped_fn.rs:68:43 [INFO] [stdout] | [INFO] [stdout] 68 | RF: /*~const*/ FnMut + /*~const*/ Destruct, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #133214 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `const_destruct` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fn_zip-0.1.2/src/zipped_fn.rs:82:40 [INFO] [stdout] | [INFO] [stdout] 82 | LF: /*~const*/ Fn + /*~const*/ Destruct, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #133214 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `const_destruct` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fn_zip-0.1.2/src/zipped_fn.rs:83:40 [INFO] [stdout] | [INFO] [stdout] 83 | RF: /*~const*/ Fn + /*~const*/ Destruct, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #133214 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `fn_zip` (lib) due to 17 previous errors [INFO] running `Command { std: "docker" "inspect" "1f9a3aa13916d5ee46bcd5602c7b367486626d00fe9cf998d0bb44f84ebbb31b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f9a3aa13916d5ee46bcd5602c7b367486626d00fe9cf998d0bb44f84ebbb31b", kill_on_drop: false }` [INFO] [stdout] 1f9a3aa13916d5ee46bcd5602c7b367486626d00fe9cf998d0bb44f84ebbb31b