[INFO] cloning repository https://github.com/Coffee-Maker/Landmark-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Coffee-Maker/Landmark-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCoffee-Maker%2FLandmark-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCoffee-Maker%2FLandmark-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30388b265f2671f91e35d7c2dc5e0bb4d5a38fa4
[INFO] testing Coffee-Maker/Landmark-Rust against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCoffee-Maker%2FLandmark-Rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Coffee-Maker/Landmark-Rust 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/Coffee-Maker/Landmark-Rust
[INFO] finished tweaking git repo https://github.com/Coffee-Maker/Landmark-Rust
[INFO] tweaked toml for git repo https://github.com/Coffee-Maker/Landmark-Rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Coffee-Maker/Landmark-Rust 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 serde v1.0.157
[INFO] [stderr]   Downloaded serde_derive v1.0.157
[INFO] [stderr]   Downloaded syn v2.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7d63f3b881be4215a0a673df0a06f39dfdab86b5248eda5d6e8332fd62581511
[INFO] running `Command { std: "docker" "start" "-a" "7d63f3b881be4215a0a673df0a06f39dfdab86b5248eda5d6e8332fd62581511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d63f3b881be4215a0a673df0a06f39dfdab86b5248eda5d6e8332fd62581511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d63f3b881be4215a0a673df0a06f39dfdab86b5248eda5d6e8332fd62581511", kill_on_drop: false }`
[INFO] [stdout] 7d63f3b881be4215a0a673df0a06f39dfdab86b5248eda5d6e8332fd62581511
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2bdcaa6a8728f315983ce2c8cc6f34a8c9e5872f972d4d7708d1962334a7ab4d
[INFO] running `Command { std: "docker" "start" "-a" "2bdcaa6a8728f315983ce2c8cc6f34a8c9e5872f972d4d7708d1962334a7ab4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling serde_derive v1.0.157
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde v1.0.157
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling futures-task v0.3.27
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.11
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling thiserror v1.0.39
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling form_urlencoded v1.1.0
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]    Compiling gimli v0.27.2
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]    Compiling idna v0.3.0
[INFO] [stderr]    Compiling cpufeatures v0.2.5
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling tracing-subscriber v0.3.16
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling futures-util v0.3.27
[INFO] [stderr]    Compiling http v0.2.9
[INFO] [stderr]    Compiling object v0.30.3
[INFO] [stderr]    Compiling syn v2.0.2
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling url v2.3.1
[INFO] [stderr]    Compiling mio v0.8.6
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling tracing-error v0.2.0
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]    Compiling digest v0.10.6
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling futures-sink v0.3.27
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling winnow v0.3.6
[INFO] [stderr]    Compiling sha1 v0.10.5
[INFO] [stderr]    Compiling serde-rename-rule v0.2.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling addr2line v0.19.0
[INFO] [stderr]    Compiling color-spantrace v0.2.0
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling color-eyre v0.6.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.39
[INFO] [stderr]    Compiling futures-macro v0.3.27
[INFO] [stderr]    Compiling tokio-macros v1.8.2
[INFO] [stderr]    Compiling async-recursion v1.0.2
[INFO] [stderr]    Compiling serde-attributes v0.2.1
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling tungstenite v0.18.0
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling serde-enum-str v0.3.2
[INFO] [stderr]    Compiling toml_datetime v0.6.1
[INFO] [stderr]    Compiling serde_spanned v0.6.1
[INFO] [stderr]    Compiling toml_edit v0.19.7
[INFO] [stderr]    Compiling tokio-tungstenite v0.18.0
[INFO] [stderr]    Compiling toml v0.7.3
[INFO] [stderr]    Compiling landmark_rust 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:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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(int_roundings)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(int_roundings)]
[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 `landmark_rust` (bin "landmark_rust") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "2bdcaa6a8728f315983ce2c8cc6f34a8c9e5872f972d4d7708d1962334a7ab4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bdcaa6a8728f315983ce2c8cc6f34a8c9e5872f972d4d7708d1962334a7ab4d", kill_on_drop: false }`
[INFO] [stdout] 2bdcaa6a8728f315983ce2c8cc6f34a8c9e5872f972d4d7708d1962334a7ab4d
