[INFO] fetching crate fast-btree 0.1.0...
[INFO] checking fast-btree-0.1.0 against 4d7f6614d0baa7689bd05eba340114667db4d5b7 for pr-133502-28
[INFO] extracting crate fast-btree 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate fast-btree 0.1.0
[INFO] finished tweaking crates.io crate fast-btree 0.1.0
[INFO] tweaked toml for crates.io crate fast-btree 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fast-btree 0.1.0 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 44 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.10.2 (available: v0.11.11)
[INFO] [stderr]       Adding rand v0.8.7 (available: v0.10.2)
[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-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 15ba60a59c582f1e0d50df809aa1ce7e5c49fecdff0156789cfebf4509ff55ad
[INFO] running `Command { std: "docker" "start" "15ba60a59c582f1e0d50df809aa1ce7e5c49fecdff0156789cfebf4509ff55ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15ba60a59c582f1e0d50df809aa1ce7e5c49fecdff0156789cfebf4509ff55ad", 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" "15ba60a59c582f1e0d50df809aa1ce7e5c49fecdff0156789cfebf4509ff55ad" "/opt/rustwide/cargo-home/bin/cargo" "+4d7f6614d0baa7689bd05eba340114667db4d5b7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15ba60a59c582f1e0d50df809aa1ce7e5c49fecdff0156789cfebf4509ff55ad", 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" "15ba60a59c582f1e0d50df809aa1ce7e5c49fecdff0156789cfebf4509ff55ad" "/opt/rustwide/cargo-home/bin/cargo" "+4d7f6614d0baa7689bd05eba340114667db4d5b7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.1
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]     Checking memchr v2.8.3
[INFO] [stderr]    Compiling zerocopy v0.8.55
[INFO] [stderr]    Compiling fsio v0.1.3
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]     Checking regex-syntax v0.8.11
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]    Compiling nias v0.5.0
[INFO] [stderr]     Checking unicode-width v0.2.2
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking log v0.4.33
[INFO] [stderr]     Checking humantime v2.4.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking getopts v0.2.24
[INFO] [stderr]     Checking aho-corasick v1.1.5
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]     Checking envmnt v0.8.4
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking is-terminal v0.4.17
[INFO] [stderr]    Compiling ci_info v0.10.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking regex-automata v0.4.18
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking regex v1.13.1
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]    Compiling rusty-hook v0.11.2
[INFO] [stderr]    Compiling bitmask-enum v2.2.5
[INFO] [stderr]     Checking fast-btree v0.1.0 (/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:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![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 `fast-btree` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "15ba60a59c582f1e0d50df809aa1ce7e5c49fecdff0156789cfebf4509ff55ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15ba60a59c582f1e0d50df809aa1ce7e5c49fecdff0156789cfebf4509ff55ad", kill_on_drop: false }`
[INFO] [stdout] 15ba60a59c582f1e0d50df809aa1ce7e5c49fecdff0156789cfebf4509ff55ad