[INFO] cloning repository https://github.com/sandmuel/necs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sandmuel/necs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsandmuel%2Fnecs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsandmuel%2Fnecs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7600e78865e58c89436bcb3e56dc49697f96c735
[INFO] checking sandmuel/necs against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsandmuel%2Fnecs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sandmuel/necs
[INFO] finished tweaking git repo https://github.com/sandmuel/necs
[INFO] tweaked toml for git repo https://github.com/sandmuel/necs written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sandmuel/necs 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/sandmuel/necs 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] warning: /workspace/builds/worker-5-tc1/source/Cargo.toml: unused manifest key: target.x86_64-unknown-linux-gnu.linker
[INFO] [stderr] warning: /workspace/builds/worker-5-tc1/source/Cargo.toml: unused manifest key: target.x86_64-unknown-linux-gnu.rustflags
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded criterion-plot v0.8.0
[INFO] [stderr]   Downloaded criterion v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4d2c0eea00ef6b218e438aa0e48839dfa0aa38c993ed4a203e8a3720bb932c91
[INFO] running `Command { std: "docker" "start" "-a" "4d2c0eea00ef6b218e438aa0e48839dfa0aa38c993ed4a203e8a3720bb932c91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d2c0eea00ef6b218e438aa0e48839dfa0aa38c993ed4a203e8a3720bb932c91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d2c0eea00ef6b218e438aa0e48839dfa0aa38c993ed4a203e8a3720bb932c91", kill_on_drop: false }`
[INFO] [stdout] 4d2c0eea00ef6b218e438aa0e48839dfa0aa38c993ed4a203e8a3720bb932c91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b851a1c9ba19b53b12e30b6a027829150e8504266a154ac713d93d5da49728bd
[INFO] running `Command { std: "docker" "start" "-a" "b851a1c9ba19b53b12e30b6a027829150e8504266a154ac713d93d5da49728bd", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/Cargo.toml: unused manifest key: target.x86_64-unknown-linux-gnu.linker
[INFO] [stderr] warning: /opt/rustwide/workdir/Cargo.toml: unused manifest key: target.x86_64-unknown-linux-gnu.rustflags
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]     Checking boxcar v0.2.14
[INFO] [stderr]    Compiling cc v1.2.48
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]     Checking unicode-ident v1.0.22
[INFO] [stderr]     Checking clap_builder v4.5.53
[INFO] [stderr]     Checking page_size v0.6.0
[INFO] [stderr]     Checking criterion-plot v0.8.0
[INFO] [stderr]     Checking proc-macro2 v1.0.103
[INFO] [stderr]     Checking quote v1.0.42
[INFO] [stderr]    Compiling alloca v0.4.0
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking clap v4.5.53
[INFO] [stderr]     Checking necs_macros v0.1.0 (/opt/rustwide/workdir/necs_macros)
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]    Compiling zerocopy-derive v0.8.31
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking necs_internal v0.1.0 (/opt/rustwide/workdir/necs_internal)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> necs_internal/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(downcast_unchecked)]
[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 `necs_internal` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b851a1c9ba19b53b12e30b6a027829150e8504266a154ac713d93d5da49728bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b851a1c9ba19b53b12e30b6a027829150e8504266a154ac713d93d5da49728bd", kill_on_drop: false }`
[INFO] [stdout] b851a1c9ba19b53b12e30b6a027829150e8504266a154ac713d93d5da49728bd
