[INFO] fetching crate doem-math 1.0.1...
[INFO] testing doem-math-1.0.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate doem-math 1.0.1 into /workspace/builds/worker-91/source
[INFO] validating manifest of crates.io crate doem-math 1.0.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate doem-math 1.0.1
[INFO] finished tweaking crates.io crate doem-math 1.0.1
[INFO] tweaked toml for crates.io crate doem-math 1.0.1 written to /workspace/builds/worker-91/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12a8e88c905fd5fa569cc26278b684d78efcec3894abbfe0343fa1fa053ca271
[INFO] running `Command { std: "docker" "start" "-a" "12a8e88c905fd5fa569cc26278b684d78efcec3894abbfe0343fa1fa053ca271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12a8e88c905fd5fa569cc26278b684d78efcec3894abbfe0343fa1fa053ca271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12a8e88c905fd5fa569cc26278b684d78efcec3894abbfe0343fa1fa053ca271", kill_on_drop: false }`
[INFO] [stdout] 12a8e88c905fd5fa569cc26278b684d78efcec3894abbfe0343fa1fa053ca271
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cd81ca1177d15b9643d6dd4fd74aebcdf835210dec29cb8acbafa68eb750729
[INFO] running `Command { std: "docker" "start" "-a" "6cd81ca1177d15b9643d6dd4fd74aebcdf835210dec29cb8acbafa68eb750729", kill_on_drop: false }`
[INFO] [stderr]    Compiling staticvec v0.8.9
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/staticvec-0.8.9/src/lib.rs:16:3
[INFO] [stdout]    |
[INFO] [stdout] 16 |   const_compare_raw_pointers,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot be allowed in const eval in any meaningful way
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/staticvec-0.8.9/src/lib.rs:17:3
[INFO] [stdout]    |
[INFO] [stdout] 17 |   const_fn,
[INFO] [stdout]    |   ^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: split into finer-grained feature gates
[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/github.com-1ecc6299db9ec823/staticvec-0.8.9/src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | / #![feature(
[INFO] [stdout] 16 | |   const_compare_raw_pointers,
[INFO] [stdout] 17 | |   const_fn,
[INFO] [stdout] 18 | |   const_fn_union,
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |   untagged_unions
[INFO] [stdout] 38 | | )]
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `const_if_match` has been stable since 1.46.0 and no longer requires an attribute to enable
[INFO] [stdout]    = help: the feature `const_loop` has been stable since 1.46.0 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/github.com-1ecc6299db9ec823/staticvec-0.8.9/src/lib.rs:39:30
[INFO] [stdout]    |
[INFO] [stdout] 39 | #![cfg_attr(feature = "std", feature(read_initializer))]
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: constant expression depends on a generic parameter
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/staticvec-0.8.9/src/lib.rs:1032:70
[INFO] [stdout]      |
[INFO] [stdout] 1032 |   pub fn concat<const N2: usize>(&self, other: &StaticVec<T, N2>) -> StaticVec<T, { N + N2 }>
[INFO] [stdout]      |                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this may fail depending on what value the parameter takes
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: constant expression depends on a generic parameter
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/staticvec-0.8.9/src/lib.rs:1063:8
[INFO] [stdout]      |
[INFO] [stdout] 1063 |   ) -> StaticVec<T, { N + N2 }>
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this may fail depending on what value the parameter takes
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: constant expression depends on a generic parameter
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/staticvec-0.8.9/src/lib.rs:1093:46
[INFO] [stdout]      |
[INFO] [stdout] 1093 |   pub fn intersperse(&self, separator: T) -> StaticVec<T, { N * 2 }>
[INFO] [stdout]      |                                              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this may fail depending on what value the parameter takes
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: constant expression depends on a generic parameter
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/staticvec-0.8.9/src/lib.rs:1131:52
[INFO] [stdout]      |
[INFO] [stdout] 1131 |   pub fn intersperse_clone(&self, separator: T) -> StaticVec<T, { N * 2 }>
[INFO] [stdout]      |                                                    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this may fail depending on what value the parameter takes
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: constant expression depends on a generic parameter
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/staticvec-0.8.9/src/lib.rs:1458:8
[INFO] [stdout]      |
[INFO] [stdout] 1458 |   ) -> StaticVec<T, { N + N2 }>
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this may fail depending on what value the parameter takes
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: constant expression depends on a generic parameter
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/staticvec-0.8.9/src/lib.rs:1547:69
[INFO] [stdout]      |
[INFO] [stdout] 1547 |   pub fn union<const N2: usize>(&self, other: &StaticVec<T, N2>) -> StaticVec<T, { N + N2 }>
[INFO] [stdout]      |                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this may fail depending on what value the parameter takes
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `staticvec`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "6cd81ca1177d15b9643d6dd4fd74aebcdf835210dec29cb8acbafa68eb750729", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cd81ca1177d15b9643d6dd4fd74aebcdf835210dec29cb8acbafa68eb750729", kill_on_drop: false }`
[INFO] [stdout] 6cd81ca1177d15b9643d6dd4fd74aebcdf835210dec29cb8acbafa68eb750729
