[INFO] fetching crate grm 0.7.5...
[INFO] testing grm-0.7.5 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate grm 0.7.5 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate grm 0.7.5 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grm 0.7.5
[INFO] finished tweaking crates.io crate grm 0.7.5
[INFO] tweaked toml for crates.io crate grm 0.7.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate grm 0.7.5 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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded shellexpand v2.1.0
[INFO] [stderr]   Downloaded strum_macros v0.24.2
[INFO] [stderr]   Downloaded rustversion v1.0.7
[INFO] [stderr]   Downloaded unicode-normalization v0.1.20
[INFO] [stderr]   Downloaded tracing-core v0.1.28
[INFO] [stderr]   Downloaded clap v3.2.8
[INFO] [stderr]   Downloaded comfy-table v6.0.0
[INFO] [stderr]   Downloaded parse_link_header v0.3.2
[INFO] [stderr]   Downloaded url-escape v0.1.1
[INFO] [stderr]   Downloaded openssl-src v111.21.0+1.1.1p
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 191cfe9560975efb7e9a878197d431aea3c3ed88e93b093402f66ec2823027c5
[INFO] running `Command { std: "docker" "start" "-a" "191cfe9560975efb7e9a878197d431aea3c3ed88e93b093402f66ec2823027c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "191cfe9560975efb7e9a878197d431aea3c3ed88e93b093402f66ec2823027c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "191cfe9560975efb7e9a878197d431aea3c3ed88e93b093402f66ec2823027c5", kill_on_drop: false }`
[INFO] [stdout] 191cfe9560975efb7e9a878197d431aea3c3ed88e93b093402f66ec2823027c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd7e3479ecb3fc0b66f7224e9894ae77597453ed7924f05e10f02c52b56c91b1
[INFO] running `Command { std: "docker" "start" "-a" "fd7e3479ecb3fc0b66f7224e9894ae77597453ed7924f05e10f02c52b56c91b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling once_cell v1.12.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling rustversion v1.0.7
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling cache-padded v1.2.0
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling tracing-core v0.1.28
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling curl v0.4.43
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling unicode-normalization v0.1.20
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling hashbrown v0.12.1
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.10
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.8.4
[INFO] [stderr]    Compiling event-listener v2.5.2
[INFO] [stderr]    Compiling http v0.2.8
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling isahc v1.7.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling os_str_bytes v6.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling crossterm v0.23.2
[INFO] [stderr]    Compiling sluice v0.5.5
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling polling v2.2.0
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling openssl-sys v0.9.74
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.7+1.45.0
[INFO] [stderr]    Compiling curl-sys v0.4.55+curl-7.83.1
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling libgit2-sys v0.13.4+1.4.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling castaway v0.1.2
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling slab v0.4.6
[INFO] [stderr]    Compiling strum v0.24.1
[INFO] [stderr]    Compiling shellexpand v2.1.0
[INFO] [stderr]    Compiling url-escape v0.1.1
[INFO] [stderr]    Compiling parse_link_header v0.3.2
[INFO] [stderr]    Compiling console v0.15.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling strum_macros v0.24.2
[INFO] [stderr]    Compiling clap_derive v3.2.7
[INFO] [stderr]    Compiling tracing v0.1.35
[INFO] [stderr]    Compiling pin-project v1.0.10
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling comfy-table v6.0.0
[INFO] [stderr]    Compiling git2 v0.14.4
[INFO] [stderr]    Compiling clap v3.2.8
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling serde_yaml v0.8.24
[INFO] [stderr]    Compiling grm v0.7.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(io_error_more)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_option_ext)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `grm` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "fd7e3479ecb3fc0b66f7224e9894ae77597453ed7924f05e10f02c52b56c91b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd7e3479ecb3fc0b66f7224e9894ae77597453ed7924f05e10f02c52b56c91b1", kill_on_drop: false }`
[INFO] [stdout] fd7e3479ecb3fc0b66f7224e9894ae77597453ed7924f05e10f02c52b56c91b1
