[INFO] cloning repository https://github.com/jade-guiton/cantan
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jade-guiton/cantan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjade-guiton%2Fcantan", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjade-guiton%2Fcantan'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8636754148fa4437e87fbc69e936e3dd6138dc6
[INFO] testing jade-guiton/cantan against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjade-guiton%2Fcantan" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jade-guiton/cantan on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jade-guiton/cantan
[INFO] finished tweaking git repo https://github.com/jade-guiton/cantan
[INFO] tweaked toml for git repo https://github.com/jade-guiton/cantan written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate git repo https://github.com/jade-guiton/cantan already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getrandom v0.1.15
[INFO] [stderr]   Downloaded blake2b_simd v0.5.10
[INFO] [stderr]   Downloaded arrayvec v0.5.1
[INFO] [stderr]   Downloaded rustyline v6.3.0
[INFO] [stderr]   Downloaded getrandom v0.2.0
[INFO] [stderr]   Downloaded syn v1.0.46
[INFO] [stderr]   Downloaded once_cell v1.4.1
[INFO] [stderr]   Downloaded num-traits v0.2.12
[INFO] [stderr]   Downloaded ordered-float v2.0.0
[INFO] [stderr]   Downloaded peg-macros v0.6.3
[INFO] [stderr]   Downloaded nix v0.18.0
[INFO] [stderr]   Downloaded rand v0.8.0
[INFO] [stderr]   Downloaded dirs-next v1.0.1
[INFO] [stderr]   Downloaded rust-argon2 v0.8.2
[INFO] [stderr]   Downloaded dirs-sys-next v0.1.0
[INFO] [stderr]   Downloaded cc v1.0.59
[INFO] [stderr]   Downloaded libc v0.2.77
[INFO] [stderr]   Downloaded peg v0.6.3
[INFO] [stderr]   Downloaded peg-runtime v0.6.3
[INFO] [stderr]   Downloaded utf8parse v0.2.0
[INFO] [stderr]   Downloaded rand_core v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c3dd3a1b693ae255d45af872f05ae66e8279bc0e7ccdd9b6d12a1d9a7671c37
[INFO] running `Command { std: "docker" "start" "-a" "4c3dd3a1b693ae255d45af872f05ae66e8279bc0e7ccdd9b6d12a1d9a7671c37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c3dd3a1b693ae255d45af872f05ae66e8279bc0e7ccdd9b6d12a1d9a7671c37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c3dd3a1b693ae255d45af872f05ae66e8279bc0e7ccdd9b6d12a1d9a7671c37", kill_on_drop: false }`
[INFO] [stdout] 4c3dd3a1b693ae255d45af872f05ae66e8279bc0e7ccdd9b6d12a1d9a7671c37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9793fbbef929f96c462d100454647d7d57d92eb9f84e76e96e0c3fc6399e161f
[INFO] running `Command { std: "docker" "start" "-a" "9793fbbef929f96c462d100454647d7d57d92eb9f84e76e96e0c3fc6399e161f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.46
[INFO] [stderr]    Compiling peg-runtime v0.6.3
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling peg-macros v0.6.3
[INFO] [stderr]    Compiling ordered-float v2.0.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling dirs-next v1.0.1
[INFO] [stderr]    Compiling rand_core v0.6.0
[INFO] [stderr]    Compiling peg v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.0
[INFO] [stderr]    Compiling cantan_derive v0.1.0 (/opt/rustwide/workdir/cantan_derive)
[INFO] [stderr]    Compiling rustyline v6.3.0
[INFO] [stderr]    Compiling cantan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(trait_alias)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(unsize)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(coerce_unsized)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(result_flattening)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(const_type_id)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(partition_point)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 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 `cantan` due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "9793fbbef929f96c462d100454647d7d57d92eb9f84e76e96e0c3fc6399e161f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9793fbbef929f96c462d100454647d7d57d92eb9f84e76e96e0c3fc6399e161f", kill_on_drop: false }`
[INFO] [stdout] 9793fbbef929f96c462d100454647d7d57d92eb9f84e76e96e0c3fc6399e161f