[INFO] fetching crate glang 0.1.0...
[INFO] testing glang-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate glang 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate glang 0.1.0
[INFO] finished tweaking crates.io crate glang 0.1.0
[INFO] tweaked toml for crates.io crate glang 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate glang 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate glang 0.1.0 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-xid v0.2.2
[INFO] [stderr]   Downloaded smallvec v1.8.0
[INFO] [stderr]   Downloaded rustyline-derive v0.6.0
[INFO] [stderr]   Downloaded unicode-width v0.1.9
[INFO] [stderr]   Downloaded utf8parse v0.2.0
[INFO] [stderr]   Downloaded quote v1.0.15
[INFO] [stderr]   Downloaded glang_core v0.1.0
[INFO] [stderr]   Downloaded redox_users v0.4.0
[INFO] [stderr]   Downloaded str-buf v1.0.5
[INFO] [stderr]   Downloaded endian-type v0.1.2
[INFO] [stderr]   Downloaded errno-dragonfly v0.1.2
[INFO] [stderr]   Downloaded os_str_bytes v6.0.0
[INFO] [stderr]   Downloaded termcolor v1.1.2
[INFO] [stderr]   Downloaded clap_derive v3.1.2
[INFO] [stderr]   Downloaded io-lifetimes v0.5.3
[INFO] [stderr]   Downloaded textwrap v0.14.2
[INFO] [stderr]   Downloaded indexmap v1.8.0
[INFO] [stderr]   Downloaded memchr v2.4.1
[INFO] [stderr]   Downloaded fd-lock v3.0.4
[INFO] [stderr]   Downloaded log v0.4.14
[INFO] [stderr]   Downloaded unicode-segmentation v1.9.0
[INFO] [stderr]   Downloaded rustyline v9.1.2
[INFO] [stderr]   Downloaded syn v1.0.86
[INFO] [stderr]   Downloaded wasi v0.10.2+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded clap v3.1.2
[INFO] [stderr]   Downloaded getrandom v0.2.5
[INFO] [stderr]   Downloaded rustix v0.33.3
[INFO] [stderr]   Downloaded radix_trie v0.2.1
[INFO] [stderr]   Downloaded nix v0.23.1
[INFO] [stderr]   Downloaded redox_syscall v0.2.10
[INFO] [stderr]   Downloaded clipboard-win v4.4.1
[INFO] [stderr]   Downloaded errno v0.2.8
[INFO] [stderr]   Downloaded nibble_vec v0.1.0
[INFO] [stderr]   Downloaded libc v0.2.119
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.30.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.30.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.30.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.30.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.30.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.0.42
[INFO] [stderr]   Downloaded windows-sys v0.30.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41ed09a623b05f7a9c6cdb0bdc0569a35a9aa011f25b0b5e960022acc52179a1
[INFO] running `Command { std: "docker" "start" "-a" "41ed09a623b05f7a9c6cdb0bdc0569a35a9aa011f25b0b5e960022acc52179a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41ed09a623b05f7a9c6cdb0bdc0569a35a9aa011f25b0b5e960022acc52179a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41ed09a623b05f7a9c6cdb0bdc0569a35a9aa011f25b0b5e960022acc52179a1", kill_on_drop: false }`
[INFO] [stdout] 41ed09a623b05f7a9c6cdb0bdc0569a35a9aa011f25b0b5e960022acc52179a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf474da81e2f698bca22007d89db49159de608bc8d0c95a4975070e475ca1c95
[INFO] running `Command { std: "docker" "start" "-a" "bf474da81e2f698bca22007d89db49159de608bc8d0c95a4975070e475ca1c95", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling io-lifetimes v0.5.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling rustix v0.33.3
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling linux-raw-sys v0.0.42
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling glang_core v0.1.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling fd-lock v3.0.4
[INFO] [stderr]    Compiling clap_derive v3.1.2
[INFO] [stderr]    Compiling rustyline-derive v0.6.0
[INFO] [stderr]    Compiling rustyline v9.1.2
[INFO] [stderr]    Compiling clap v3.1.2
[INFO] [stderr]    Compiling glang 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:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(once_cell)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `once_cell` has been stable since 1.70.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(once_cell)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `glang` (bin "glang") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "bf474da81e2f698bca22007d89db49159de608bc8d0c95a4975070e475ca1c95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf474da81e2f698bca22007d89db49159de608bc8d0c95a4975070e475ca1c95", kill_on_drop: false }`
[INFO] [stdout] bf474da81e2f698bca22007d89db49159de608bc8d0c95a4975070e475ca1c95