[INFO] fetching crate nightfall 0.1.8...
[INFO] testing nightfall-0.1.8 against 1.75.0 for beta-1.76-1
[INFO] extracting crate nightfall 0.1.8 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate nightfall 0.1.8 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 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-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded err-derive v0.3.1
[INFO] [stderr]   Downloaded barrage v0.2.3
[INFO] [stderr]   Downloaded darwin-libproc-sys v0.1.2
[INFO] [stderr]   Downloaded darwin-libproc v0.1.2
[INFO] [stderr]   Downloaded platforms v2.0.0
[INFO] [stderr]   Downloaded psutil v3.3.0
[INFO] [stderr]   Downloaded unescape v0.1.0
[INFO] [stderr]   Downloaded catty v0.1.5
[INFO] [stderr]   Downloaded xtra_proc v0.1.0
[INFO] [stderr]   Downloaded xtra v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4eda8c09c2c199b5596f075dc943fdf45e0b0fbc5332cf7749fc8bf1fb8007af
[INFO] running `Command { std: "docker" "start" "-a" "4eda8c09c2c199b5596f075dc943fdf45e0b0fbc5332cf7749fc8bf1fb8007af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4eda8c09c2c199b5596f075dc943fdf45e0b0fbc5332cf7749fc8bf1fb8007af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eda8c09c2c199b5596f075dc943fdf45e0b0fbc5332cf7749fc8bf1fb8007af", kill_on_drop: false }`
[INFO] [stdout] 4eda8c09c2c199b5596f075dc943fdf45e0b0fbc5332cf7749fc8bf1fb8007af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 97ce951a1409e529487d5d4eeb8e5c98362482d1c660e2c762fd519cebb94bcc
[INFO] running `Command { std: "docker" "start" "-a" "97ce951a1409e529487d5d4eeb8e5c98362482d1c660e2c762fd519cebb94bcc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling cache-padded v1.3.0
[INFO] [stderr]    Compiling platforms v2.0.0
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling concurrent-queue v1.2.4
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling mio v0.8.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling barrage v0.2.3
[INFO] [stderr]    Compiling catty v0.1.5
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling err-derive v0.3.1
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling pollster v0.2.5
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling unescape v0.1.0
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling nix v0.20.2
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling tokio v1.35.1
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling pin-project v1.1.3
[INFO] [stderr]    Compiling flume v0.10.14
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling xtra_proc v0.1.0
[INFO] [stderr]    Compiling xtra v0.5.2
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling psutil v3.3.0
[INFO] [stderr]    Compiling tokio-stream v0.1.14
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling nightfall v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[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] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[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[E0554]: `#![feature]` may not be used on the stable release channel
[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[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` 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 `HashMap<String, 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] error: aborting due to 5 previous errors; 1 warning emitted
[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 6 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "97ce951a1409e529487d5d4eeb8e5c98362482d1c660e2c762fd519cebb94bcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97ce951a1409e529487d5d4eeb8e5c98362482d1c660e2c762fd519cebb94bcc", kill_on_drop: false }`
[INFO] [stdout] 97ce951a1409e529487d5d4eeb8e5c98362482d1c660e2c762fd519cebb94bcc
