[INFO] cloning repository https://github.com/zyansheep/const-multihash
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zyansheep/const-multihash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyansheep%2Fconst-multihash", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyansheep%2Fconst-multihash'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d72ea1af31c0da5b5f4322f23fbc4ad772e7312
[INFO] checking zyansheep/const-multihash against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyansheep%2Fconst-multihash" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/zyansheep/const-multihash
[INFO] finished tweaking git repo https://github.com/zyansheep/const-multihash
[INFO] tweaked toml for git repo https://github.com/zyansheep/const-multihash written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zyansheep/const-multihash on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zyansheep/const-multihash 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-crate v1.1.3
[INFO] [stderr]   Downloaded synstructure v0.12.6
[INFO] [stderr]   Downloaded multihash-derive v0.8.1
[INFO] [stderr]   Downloaded multihash v0.18.1
[INFO] [stderr]   Downloaded core2 v0.4.0
[INFO] [stderr]   Downloaded blake2s_simd v1.0.3
[INFO] [stderr]   Downloaded unsigned-varint v0.7.2
[INFO] [stderr]   Downloaded blake3 v1.8.2
[INFO] [stderr]   Downloaded cc v1.2.24
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ab1214667d00d5553f454e4191c940d06d62c9ac5769d7dc2afc581e95e608a
[INFO] running `Command { std: "docker" "start" "-a" "8ab1214667d00d5553f454e4191c940d06d62c9ac5769d7dc2afc581e95e608a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ab1214667d00d5553f454e4191c940d06d62c9ac5769d7dc2afc581e95e608a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ab1214667d00d5553f454e4191c940d06d62c9ac5769d7dc2afc581e95e608a", kill_on_drop: false }`
[INFO] [stdout] 8ab1214667d00d5553f454e4191c940d06d62c9ac5769d7dc2afc581e95e608a
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a059efd49fb30f71d793b732712effa1d0794e69db40b492de17e721ea4da87f
[INFO] running `Command { std: "docker" "start" "-a" "a059efd49fb30f71d793b732712effa1d0794e69db40b492de17e721ea4da87f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking constant_time_eq v0.3.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling cc v1.2.24
[INFO] [stderr]     Checking arrayref v0.3.9
[INFO] [stderr]    Compiling bytecheck v0.6.12
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling rend v0.4.2
[INFO] [stderr]    Compiling rkyv v0.7.45
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]     Checking unsigned-varint v0.7.2
[INFO] [stderr]     Checking ahash v0.7.8
[INFO] [stderr]     Checking seahash v4.1.0
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking bs58 v0.5.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking blake2s_simd v1.0.3
[INFO] [stderr]     Checking blake2b_simd v1.0.3
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]    Compiling blake3 v1.8.2
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.4
[INFO] [stderr]    Compiling bytecheck_derive v0.6.12
[INFO] [stderr]    Compiling rkyv_derive v0.7.45
[INFO] [stderr]     Checking ptr_meta v0.1.4
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling multihash-derive v0.8.1
[INFO] [stderr]     Checking multihash v0.18.1
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking const-multihash v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(generic_const_exprs)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(generic_const_exprs)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `const-multihash` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `const-multihash` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "a059efd49fb30f71d793b732712effa1d0794e69db40b492de17e721ea4da87f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a059efd49fb30f71d793b732712effa1d0794e69db40b492de17e721ea4da87f", kill_on_drop: false }`
[INFO] [stdout] a059efd49fb30f71d793b732712effa1d0794e69db40b492de17e721ea4da87f
