[INFO] fetching crate justly 0.1.1...
[INFO] testing justly-0.1.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate justly 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate justly 0.1.1
[INFO] finished tweaking crates.io crate justly 0.1.1
[INFO] tweaked toml for crates.io crate justly 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate justly 0.1.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9c447702f2bffbe391ca3331d7fdb9e3eeb3ee55edee2789f98dec037e0db05d
[INFO] running `Command { std: "docker" "start" "-a" "9c447702f2bffbe391ca3331d7fdb9e3eeb3ee55edee2789f98dec037e0db05d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c447702f2bffbe391ca3331d7fdb9e3eeb3ee55edee2789f98dec037e0db05d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c447702f2bffbe391ca3331d7fdb9e3eeb3ee55edee2789f98dec037e0db05d", kill_on_drop: false }`
[INFO] [stdout] 9c447702f2bffbe391ca3331d7fdb9e3eeb3ee55edee2789f98dec037e0db05d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 85e5e43be9dec18a3ffb411f094467f2fafef524eb2a96da7d26f36233440999
[INFO] running `Command { std: "docker" "start" "-a" "85e5e43be9dec18a3ffb411f094467f2fafef524eb2a96da7d26f36233440999", kill_on_drop: false }`
[INFO] [stderr]    Compiling justly v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:220:1
[INFO] [stdout]     |
[INFO] [stdout] 220 | #![feature(ptr_sub_ptr)]
[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:221:1
[INFO] [stdout]     |
[INFO] [stdout] 221 | #![feature(slice_split_at_unchecked)]
[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:222:1
[INFO] [stdout]     |
[INFO] [stdout] 222 | #![feature(slice_swap_unchecked)]
[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:223:1
[INFO] [stdout]     |
[INFO] [stdout] 223 | #![feature(slice_pattern)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `ptr_sub_ptr` has been stable since 1.87.0 and no longer requires an attribute to enable
[INFO] [stdout]    --> src/lib.rs:220:12
[INFO] [stdout]     |
[INFO] [stdout] 220 | #![feature(ptr_sub_ptr)]
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_split_at_unchecked` has been stable since 1.79.0 and no longer requires an attribute to enable
[INFO] [stdout]    --> src/lib.rs:221:12
[INFO] [stdout]     |
[INFO] [stdout] 221 | #![feature(slice_split_at_unchecked)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `sub_ptr` found for raw pointer `*const T` in the current scope
[INFO] [stdout]     --> src/lib.rs:1288:26
[INFO] [stdout]      |
[INFO] [stdout] 1285 | /                     self.own
[INFO] [stdout] 1286 | |                         .body
[INFO] [stdout] 1287 | |                         .as_ptr()
[INFO] [stdout] 1288 | |                         .sub_ptr(vec.own.as_ptr()),
[INFO] [stdout]      | |                         -^^^^^^^ method not found in `*const T`
[INFO] [stdout]      | |_________________________|
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `sub_ptr` found for raw pointer `*mut T` in the current scope
[INFO] [stdout]     --> src/lib.rs:1313:26
[INFO] [stdout]      |
[INFO] [stdout] 1310 | /                     self.own
[INFO] [stdout] 1311 | |                         .body
[INFO] [stdout] 1312 | |                         .as_mut_ptr()
[INFO] [stdout] 1313 | |                         .sub_ptr(vec.own.as_mut().as_mut_ptr()),
[INFO] [stdout]      | |                         -^^^^^^^ method not found in `*mut T`
[INFO] [stdout]      | |_________________________|
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `justly` (lib) due to 6 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "85e5e43be9dec18a3ffb411f094467f2fafef524eb2a96da7d26f36233440999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85e5e43be9dec18a3ffb411f094467f2fafef524eb2a96da7d26f36233440999", kill_on_drop: false }`
[INFO] [stdout] 85e5e43be9dec18a3ffb411f094467f2fafef524eb2a96da7d26f36233440999
