[INFO] fetching crate nightfall 0.1.8...
[INFO] testing nightfall-0.1.8 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate nightfall 0.1.8 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate nightfall 0.1.8
[INFO] finished tweaking crates.io crate nightfall 0.1.8
[INFO] tweaked toml for crates.io crate nightfall 0.1.8 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nightfall 0.1.8 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 84 packages to highest compatible versions
[INFO] [stderr]       Adding bitflags v1.2.1 (available: v1.3.2)
[INFO] [stderr]       Adding nix v0.20.2 (available: v0.31.3)
[INFO] [stderr]       Adding ntapi v0.3.7 (available: v0.4.3)
[INFO] [stderr]       Adding psutil v3.3.0 (available: v5.4.0)
[INFO] [stderr]       Adding uuid v0.8.2 (available: v1.28.0)
[INFO] [stderr]       Adding xtra v0.5.2 (available: v0.6.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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 xtra_proc v0.1.0
[INFO] [stderr]   Downloaded pollster v0.2.5
[INFO] [stderr]   Downloaded xtra v0.5.2
[INFO] [stderr]   Downloaded catty v0.1.5
[INFO] [stderr]   Downloaded flume v0.10.14
[INFO] [stderr]   Downloaded unescape v0.1.0
[INFO] [stderr]   Downloaded darwin-libproc v0.1.2
[INFO] [stderr]   Downloaded err-derive v0.3.1
[INFO] [stderr]   Downloaded barrage v0.2.3
[INFO] [stderr]   Downloaded cache-padded v1.3.0
[INFO] [stderr]   Downloaded darwin-libproc-sys v0.1.2
[INFO] [stderr]   Downloaded platforms v2.0.0
[INFO] [stderr]   Downloaded concurrent-queue v1.2.4
[INFO] [stderr]   Downloaded erased-serde v0.3.31
[INFO] [stderr]   Downloaded mach2 v0.4.3
[INFO] [stderr]   Downloaded uuid v0.8.2
[INFO] [stderr]   Downloaded psutil v3.3.0
[INFO] [stderr]   Downloaded slog v2.8.2
[INFO] [stderr]   Downloaded ntapi v0.3.7
[INFO] [stderr]   Downloaded nix v0.20.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3a0f5d81782047b99dfa244abdc6646261b1c0e6a5651b7a789f4fb8921c8bd0
[INFO] running `Command { std: "docker" "start" "3a0f5d81782047b99dfa244abdc6646261b1c0e6a5651b7a789f4fb8921c8bd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a0f5d81782047b99dfa244abdc6646261b1c0e6a5651b7a789f4fb8921c8bd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3a0f5d81782047b99dfa244abdc6646261b1c0e6a5651b7a789f4fb8921c8bd0" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a0f5d81782047b99dfa244abdc6646261b1c0e6a5651b7a789f4fb8921c8bd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3a0f5d81782047b99dfa244abdc6646261b1c0e6a5651b7a789f4fb8921c8bd0" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.191
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cache-padded v1.3.0
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling futures-sink v0.3.34
[INFO] [stderr]    Compiling platforms v2.0.0
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]    Compiling slog v2.8.2
[INFO] [stderr]    Compiling err-derive v0.3.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling concurrent-queue v1.2.4
[INFO] [stderr]    Compiling futures-util v0.3.34
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling glob v0.3.4
[INFO] [stderr]    Compiling pollster v0.2.5
[INFO] [stderr]    Compiling unescape v0.1.0
[INFO] [stderr]    Compiling futures-timer v3.0.4
[INFO] [stderr]    Compiling serde_json v1.0.154
[INFO] [stderr]    Compiling spin v0.9.9
[INFO] [stderr]    Compiling barrage v0.2.3
[INFO] [stderr]    Compiling flume v0.10.14
[INFO] [stderr]    Compiling catty v0.1.5
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling mio v1.2.4
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling nix v0.20.2
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling xtra_proc v0.1.0
[INFO] [stderr]    Compiling psutil v3.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling tokio-macros v2.7.2
[INFO] [stderr]    Compiling async-trait v0.1.92
[INFO] [stderr]    Compiling tokio v1.53.3
[INFO] [stderr]    Compiling xtra v0.5.2
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling erased-serde v0.3.31
[INFO] [stderr]    Compiling tokio-stream v0.1.19
[INFO] [stderr]    Compiling nightfall v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(assert_matches, result_flattening, hash_drain_filter)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `assert_matches` has been stable since 1.96.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(assert_matches, result_flattening, hash_drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `result_flattening` has been stable since 1.89.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(assert_matches, result_flattening, hash_drain_filter)]
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `hash_drain_filter`
[INFO] [stdout]  --> src/lib.rs:2:47
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(assert_matches, result_flattening, hash_drain_filter)]
[INFO] [stdout]   |                                               ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for struct `std::collections::HashMap<K, V, S, A>` in the current scope
[INFO] [stdout]    --> src/lib.rs:282:56
[INFO] [stdout]     |
[INFO] [stdout] 282 |         let mut to_reap: HashMap<_, _> = self.sessions.drain_filter(collect).collect();
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^ method not found in `std::collections::HashMap<std::string::String, session::Session>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::array::IntoIter::<T, N>::new`: use `IntoIterator::into_iter` instead
[INFO] [stdout]    --> src/session.rs:147:34
[INFO] [stdout]     |
[INFO] [stdout] 147 |         let mut args = IntoIter::new(["-fflags", "+genpts", "-y"])
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nightfall` (lib) due to 3 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3a0f5d81782047b99dfa244abdc6646261b1c0e6a5651b7a789f4fb8921c8bd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a0f5d81782047b99dfa244abdc6646261b1c0e6a5651b7a789f4fb8921c8bd0", kill_on_drop: false }`
[INFO] [stdout] 3a0f5d81782047b99dfa244abdc6646261b1c0e6a5651b7a789f4fb8921c8bd0
