[INFO] crate mimir 0.3.5 is already in cache
[INFO] checking mimir-0.3.5 against try#8810c24b0958114d8dbb32d878444e8956fce80f for pr-66063
[INFO] extracting crate mimir 0.3.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate mimir 0.3.5 on toolchain 8810c24b0958114d8dbb32d878444e8956fce80f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8810c24b0958114d8dbb32d878444e8956fce80f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mimir 0.3.5
[INFO] finished tweaking crates.io crate mimir 0.3.5
[INFO] tweaked toml for crates.io crate mimir 0.3.5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8810c24b0958114d8dbb32d878444e8956fce80f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8810c24b0958114d8dbb32d878444e8956fce80f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8810c24b0958114d8dbb32d878444e8956fce80f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cc2e211a607a5d58cb50046722b017cdf2f5a14f635f936abe10c1e4fdf21d95
[INFO] running `"docker" "start" "-a" "cc2e211a607a5d58cb50046722b017cdf2f5a14f635f936abe10c1e4fdf21d95"`
[INFO] [stderr]    Compiling strsim v0.9.2
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling derive_builder v0.8.1
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking hex-slice v0.1.4
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]    Compiling getset v0.0.9
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]     Checking slog-try v0.2.0
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]    Compiling mimir v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking slog-term v2.4.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.8.1
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]   --> src/lib.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | #![feature(ptr_internals, try_from, untagged_unions)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]   --> src/lib.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | #![feature(ptr_internals, try_from, untagged_unions)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `mimir`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `mimir`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "cc2e211a607a5d58cb50046722b017cdf2f5a14f635f936abe10c1e4fdf21d95"`
[INFO] running `"docker" "rm" "-f" "cc2e211a607a5d58cb50046722b017cdf2f5a14f635f936abe10c1e4fdf21d95"`
[INFO] [stdout] cc2e211a607a5d58cb50046722b017cdf2f5a14f635f936abe10c1e4fdf21d95