[INFO] cloning repository https://github.com/ibsamsky/helicase
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ibsamsky/helicase" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fibsamsky%2Fhelicase", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fibsamsky%2Fhelicase'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 29432643a35a2c9502f8efdf44258d64edd7aef1
[INFO] testing ibsamsky/helicase against 1.86.0 for beta-1.87-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fibsamsky%2Fhelicase" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ibsamsky/helicase on toolchain 1.86.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ibsamsky/helicase
[INFO] finished tweaking git repo https://github.com/ibsamsky/helicase
[INFO] tweaked toml for git repo https://github.com/ibsamsky/helicase written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ibsamsky/helicase 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" "+1.86.0" "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 hermit-abi v0.5.0
[INFO] [stderr]   Downloaded plotters-svg v0.3.7
[INFO] [stderr]   Downloaded is-terminal v0.4.16
[INFO] [stderr]   Downloaded plotters-backend v0.3.7
[INFO] [stderr]   Downloaded oorandom v11.1.5
[INFO] [stderr]   Downloaded plotters v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 287beb69d1f5052d9645d55ced6e4c226237b90d23f5fa39a61f2d420cf5a766
[INFO] running `Command { std: "docker" "start" "-a" "287beb69d1f5052d9645d55ced6e4c226237b90d23f5fa39a61f2d420cf5a766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "287beb69d1f5052d9645d55ced6e4c226237b90d23f5fa39a61f2d420cf5a766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "287beb69d1f5052d9645d55ced6e4c226237b90d23f5fa39a61f2d420cf5a766", kill_on_drop: false }`
[INFO] [stdout] 287beb69d1f5052d9645d55ced6e4c226237b90d23f5fa39a61f2d420cf5a766
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b5817a9b4104913e25604a3980f5e29aa617eca54f4c52bec7c071a64984037
[INFO] running `Command { std: "docker" "start" "-a" "7b5817a9b4104913e25604a3980f5e29aa617eca54f4c52bec7c071a64984037", kill_on_drop: false }`
[INFO] [stderr]    Compiling helicase v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: use of unstable library feature `unbounded_shifts`
[INFO] [stdout]   --> src/lib.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 |         u64::MAX.unbounded_shr(64u32.saturating_sub(bits))
[INFO] [stdout]    |                  ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #129375 <https://github.com/rust-lang/rust/issues/129375> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `unbounded_shifts`
[INFO] [stdout]   --> src/lib.rs:26:49
[INFO] [stdout]    |
[INFO] [stdout] 26 |         saturating_bitmask(n.saturating_sub(m)).unbounded_shl(m)
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #129375 <https://github.com/rust-lang/rust/issues/129375> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `core::num::<impl u64>::unbounded_shr` is not yet stable as a const fn
[INFO] [stdout]   --> src/lib.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         u64::MAX.unbounded_shr(64u32.saturating_sub(bits))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: add `#![feature(unbounded_shifts)]` to the crate attributes to enable
[INFO] [stdout]    |
[INFO] [stdout] 7  + #![feature(unbounded_shifts)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `core::num::<impl u64>::unbounded_shl` is not yet stable as a const fn
[INFO] [stdout]   --> src/lib.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         saturating_bitmask(n.saturating_sub(m)).unbounded_shl(m)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: add `#![feature(unbounded_shifts)]` to the crate attributes to enable
[INFO] [stdout]    |
[INFO] [stdout] 7  + #![feature(unbounded_shifts)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `helicase` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "7b5817a9b4104913e25604a3980f5e29aa617eca54f4c52bec7c071a64984037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b5817a9b4104913e25604a3980f5e29aa617eca54f4c52bec7c071a64984037", kill_on_drop: false }`
[INFO] [stdout] 7b5817a9b4104913e25604a3980f5e29aa617eca54f4c52bec7c071a64984037