[INFO] cloning repository https://github.com/matthew-mcallister/numerics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matthew-mcallister/numerics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthew-mcallister%2Fnumerics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthew-mcallister%2Fnumerics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8fdd75be82fef972e6329c3a9c9205dcdba91711
[INFO] checking matthew-mcallister/numerics against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthew-mcallister%2Fnumerics" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/matthew-mcallister/numerics
[INFO] finished tweaking git repo https://github.com/matthew-mcallister/numerics
[INFO] tweaked toml for git repo https://github.com/matthew-mcallister/numerics written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/matthew-mcallister/numerics 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/matthew-mcallister/numerics 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 91256bc3d03ed0716989e91a37ae01c5f8c130c6e52d31a28e455fadd2db1884
[INFO] running `Command { std: "docker" "start" "-a" "91256bc3d03ed0716989e91a37ae01c5f8c130c6e52d31a28e455fadd2db1884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91256bc3d03ed0716989e91a37ae01c5f8c130c6e52d31a28e455fadd2db1884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91256bc3d03ed0716989e91a37ae01c5f8c130c6e52d31a28e455fadd2db1884", kill_on_drop: false }`
[INFO] [stdout] 91256bc3d03ed0716989e91a37ae01c5f8c130c6e52d31a28e455fadd2db1884
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 57ca17fd5ad78ce36828f3d5a0b216ec06bf42c36273cb34f04e5fbd4d8dcd8c
[INFO] running `Command { std: "docker" "start" "-a" "57ca17fd5ad78ce36828f3d5a0b216ec06bf42c36273cb34f04e5fbd4d8dcd8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.74
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling pest v2.7.11
[INFO] [stderr]    Compiling pest_meta v2.7.11
[INFO] [stderr]    Compiling pest_generator v2.7.11
[INFO] [stderr]    Compiling pest_derive v2.7.11
[INFO] [stderr]     Checking py_literal v0.4.0
[INFO] [stderr]     Checking npyz v0.8.3
[INFO] [stderr]     Checking numerics 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:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(float_gamma)]
[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 `numerics` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(float_gamma)]
[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 `numerics` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "57ca17fd5ad78ce36828f3d5a0b216ec06bf42c36273cb34f04e5fbd4d8dcd8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57ca17fd5ad78ce36828f3d5a0b216ec06bf42c36273cb34f04e5fbd4d8dcd8c", kill_on_drop: false }`
[INFO] [stdout] 57ca17fd5ad78ce36828f3d5a0b216ec06bf42c36273cb34f04e5fbd4d8dcd8c
