[INFO] cloning repository https://github.com/42triangles/plover-dictgen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/42triangles/plover-dictgen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F42triangles%2Fplover-dictgen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F42triangles%2Fplover-dictgen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 83205ebe9e8a38933862d3c9e196e9322c56535c
[INFO] testing 42triangles/plover-dictgen against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F42triangles%2Fplover-dictgen" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/42triangles/plover-dictgen on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/42triangles/plover-dictgen
[INFO] finished tweaking git repo https://github.com/42triangles/plover-dictgen
[INFO] tweaked toml for git repo https://github.com/42triangles/plover-dictgen written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/42triangles/plover-dictgen 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jemallocator v0.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b89c712898bbecd574afe38e78daec4b5e91d6fca49804dbfb5930249910ac1b
[INFO] running `Command { std: "docker" "start" "-a" "b89c712898bbecd574afe38e78daec4b5e91d6fca49804dbfb5930249910ac1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b89c712898bbecd574afe38e78daec4b5e91d6fca49804dbfb5930249910ac1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b89c712898bbecd574afe38e78daec4b5e91d6fca49804dbfb5930249910ac1b", kill_on_drop: false }`
[INFO] [stdout] b89c712898bbecd574afe38e78daec4b5e91d6fca49804dbfb5930249910ac1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e44b1a5f222646769bc67ed91f192fee68e4e8b0c6fa21487db4325603af76b
[INFO] running `Command { std: "docker" "start" "-a" "7e44b1a5f222646769bc67ed91f192fee68e4e8b0c6fa21487db4325603af76b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.14.2
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling winnow v0.5.19
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.9
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling typed-arena v2.0.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling jemalloc-sys v0.5.4+5.3.0-patched
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]    Compiling enum-ordinalize v3.1.15
[INFO] [stderr]    Compiling educe v0.4.23
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling serde_spanned v0.6.4
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling ordered-float v4.1.1
[INFO] [stderr]    Compiling serde_yaml v0.9.27
[INFO] [stderr]    Compiling csv v1.3.0
[INFO] [stderr]    Compiling toml_edit v0.21.0
[INFO] [stderr]    Compiling itertools v0.12.0
[INFO] [stderr]    Compiling toml v0.8.8
[INFO] [stderr]    Compiling jemallocator v0.5.4
[INFO] [stderr]    Compiling plover-dictgen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(coroutines, coroutine_clone, coroutine_trait, is_sorted)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:41
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(coroutines, coroutine_clone, coroutine_trait, is_sorted)]
[INFO] [stdout]   |                                         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:58
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(coroutines, coroutine_clone, coroutine_trait, is_sorted)]
[INFO] [stdout]   |                                                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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 `plover-dictgen` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "7e44b1a5f222646769bc67ed91f192fee68e4e8b0c6fa21487db4325603af76b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e44b1a5f222646769bc67ed91f192fee68e4e8b0c6fa21487db4325603af76b", kill_on_drop: false }`
[INFO] [stdout] 7e44b1a5f222646769bc67ed91f192fee68e4e8b0c6fa21487db4325603af76b
