[INFO] cloning repository https://github.com/ChCronstrom/engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ChCronstrom/engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChCronstrom%2Fengine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChCronstrom%2Fengine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d648d424d19fc9e6cc876d10452cf99d09d07c08
[INFO] checking ChCronstrom/engine against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChCronstrom%2Fengine" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ChCronstrom/engine
[INFO] finished tweaking git repo https://github.com/ChCronstrom/engine
[INFO] tweaked toml for git repo https://github.com/ChCronstrom/engine written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ChCronstrom/engine 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/ChCronstrom/engine 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chess v3.2.0
[INFO] [stderr]   Downloaded cc v1.1.12
[INFO] [stderr]   Downloaded libc v0.2.156
[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] 284f442414bda3d95eebc7f6941725f9d1d20251cf1fb8cce3ea93685f757fba
[INFO] running `Command { std: "docker" "start" "-a" "284f442414bda3d95eebc7f6941725f9d1d20251cf1fb8cce3ea93685f757fba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "284f442414bda3d95eebc7f6941725f9d1d20251cf1fb8cce3ea93685f757fba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "284f442414bda3d95eebc7f6941725f9d1d20251cf1fb8cce3ea93685f757fba", kill_on_drop: false }`
[INFO] [stdout] 284f442414bda3d95eebc7f6941725f9d1d20251cf1fb8cce3ea93685f757fba
[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] d3b3a211cf0ffaff7df52c9084827a18e0938f5c0064389050e2da57d4b27039
[INFO] running `Command { std: "docker" "start" "-a" "d3b3a211cf0ffaff7df52c9084827a18e0938f5c0064389050e2da57d4b27039", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.156
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling gimli v0.29.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling cc v1.1.12
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]    Compiling syn v2.0.74
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]     Checking object v0.36.3
[INFO] [stderr]    Compiling backtrace v0.3.73
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking addr2line v0.22.0
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling chess v3.2.0
[INFO] [stderr]     Checking engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(str_split_whitespace_remainder)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(str_split_whitespace_remainder)]
[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 `engine` (bin "engine") 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 `engine` (bin "engine" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "d3b3a211cf0ffaff7df52c9084827a18e0938f5c0064389050e2da57d4b27039", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3b3a211cf0ffaff7df52c9084827a18e0938f5c0064389050e2da57d4b27039", kill_on_drop: false }`
[INFO] [stdout] d3b3a211cf0ffaff7df52c9084827a18e0938f5c0064389050e2da57d4b27039
