[INFO] fetching crate mask_system_lib 0.1.1...
[INFO] checking mask_system_lib-0.1.1 against 4d7f6614d0baa7689bd05eba340114667db4d5b7 for pr-133502-28
[INFO] extracting crate mask_system_lib 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate mask_system_lib 0.1.1
[INFO] finished tweaking crates.io crate mask_system_lib 0.1.1
[INFO] tweaked toml for crates.io crate mask_system_lib 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mask_system_lib 0.1.1 on toolchain 4d7f6614d0baa7689bd05eba340114667db4d5b7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d7f6614d0baa7689bd05eba340114667db4d5b7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d7f6614d0baa7689bd05eba340114667db4d5b7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d7f6614d0baa7689bd05eba340114667db4d5b7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a49ba8d73c423996a017cf4eab495496f741e853f81271ddc8b4fb2471ef239a
[INFO] running `Command { std: "docker" "start" "a49ba8d73c423996a017cf4eab495496f741e853f81271ddc8b4fb2471ef239a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a49ba8d73c423996a017cf4eab495496f741e853f81271ddc8b4fb2471ef239a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a49ba8d73c423996a017cf4eab495496f741e853f81271ddc8b4fb2471ef239a" "/opt/rustwide/cargo-home/bin/cargo" "+4d7f6614d0baa7689bd05eba340114667db4d5b7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a49ba8d73c423996a017cf4eab495496f741e853f81271ddc8b4fb2471ef239a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a49ba8d73c423996a017cf4eab495496f741e853f81271ddc8b4fb2471ef239a" "/opt/rustwide/cargo-home/bin/cargo" "+4d7f6614d0baa7689bd05eba340114667db4d5b7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking typenum v1.20.1
[INFO] [stderr]     Checking mask_system_lib v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: `-Znext-solver=globally` and `generic_const_exprs` are incompatible, using them at the same time is not allowed
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(generic_const_exprs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: remove one of these features
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mask_system_lib` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: `-Znext-solver=globally` and `generic_const_exprs` are incompatible, using them at the same time is not allowed
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(generic_const_exprs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: remove one of these features
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mask_system_lib` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "a49ba8d73c423996a017cf4eab495496f741e853f81271ddc8b4fb2471ef239a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a49ba8d73c423996a017cf4eab495496f741e853f81271ddc8b4fb2471ef239a", kill_on_drop: false }`
[INFO] [stdout] a49ba8d73c423996a017cf4eab495496f741e853f81271ddc8b4fb2471ef239a