[INFO] fetching crate special 0.13.1...
[INFO] checking special-0.13.1 against 1.95.0 for pr-155915
[INFO] extracting crate special 0.13.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate special 0.13.1
[INFO] finished tweaking crates.io crate special 0.13.1
[INFO] tweaked toml for crates.io crate special 0.13.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate special 0.13.1 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 crates.io crate special 0.13.1 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 numeric_literals v0.2.0
[INFO] [stderr]   Downloaded num-lazy v0.4.1
[INFO] [stderr]   Downloaded random v0.14.1
[INFO] [stderr]   Downloaded ellip v1.1.0
[INFO] [stderr]   Downloaded assert v0.7.5
[INFO] [stderr]   Downloaded libm v0.2.15
[INFO] [stderr]   Downloaded proc-macro2 v1.0.104
[INFO] [stderr]   Downloaded lambert_w v2.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 53f7cbc65c04fa2e7211e05aeca02a1240a534f10328cb6e3c555422d918099a
[INFO] running `Command { std: "docker" "start" "-a" "53f7cbc65c04fa2e7211e05aeca02a1240a534f10328cb6e3c555422d918099a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53f7cbc65c04fa2e7211e05aeca02a1240a534f10328cb6e3c555422d918099a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53f7cbc65c04fa2e7211e05aeca02a1240a534f10328cb6e3c555422d918099a", kill_on_drop: false }`
[INFO] [stdout] 53f7cbc65c04fa2e7211e05aeca02a1240a534f10328cb6e3c555422d918099a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f3b885913541a34998c72abfed6c62f2efbaea743f9b2b0bf6195f3d08cbbffd
[INFO] running `Command { std: "docker" "start" "-a" "f3b885913541a34998c72abfed6c62f2efbaea743f9b2b0bf6195f3d08cbbffd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.104
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking num-lazy v0.4.1
[INFO] [stderr]     Checking assert v0.7.5
[INFO] [stderr]     Checking random v0.14.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking lambert_w v2.0.1
[INFO] [stderr]    Compiling numeric_literals v0.2.0
[INFO] [stderr]     Checking ellip v1.1.0
[INFO] [stderr]     Checking special v0.13.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::primitive::Primitive`
[INFO] [stdout]  --> src/elliptic.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::primitive::Primitive;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/gamma.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[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 `special` (bench "gamma") 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]  --> benches/beta.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[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 `special` (bench "beta") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "f3b885913541a34998c72abfed6c62f2efbaea743f9b2b0bf6195f3d08cbbffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3b885913541a34998c72abfed6c62f2efbaea743f9b2b0bf6195f3d08cbbffd", kill_on_drop: false }`
[INFO] [stdout] f3b885913541a34998c72abfed6c62f2efbaea743f9b2b0bf6195f3d08cbbffd
