[INFO] fetching crate nightfall 0.1.8...
[INFO] checking nightfall-0.1.8 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] extracting crate nightfall 0.1.8 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate nightfall 0.1.8 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "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-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 94 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.2.1 (available: v1.3.2)
[INFO] [stderr]       Adding nix v0.20.2 (available: v0.29.0)
[INFO] [stderr]       Adding ntapi v0.3.7 (available: v0.4.1)
[INFO] [stderr]       Adding uuid v0.8.2 (available: v1.11.0)
[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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded catty v0.1.5
[INFO] [stderr]   Downloaded psutil v3.3.0
[INFO] [stderr]   Downloaded darwin-libproc v0.1.2
[INFO] [stderr]   Downloaded err-derive v0.3.1
[INFO] [stderr]   Downloaded darwin-libproc-sys v0.1.2
[INFO] [stderr]   Downloaded xtra v0.5.2
[INFO] [stderr]   Downloaded platforms v2.0.0
[INFO] [stderr]   Downloaded barrage v0.2.3
[INFO] [stderr]   Downloaded xtra_proc v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad717efa4c813ffabbe22eb359b52a59317b7e852418ef6c24e33d4a7c73c14a
[INFO] running `Command { std: "docker" "start" "-a" "ad717efa4c813ffabbe22eb359b52a59317b7e852418ef6c24e33d4a7c73c14a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad717efa4c813ffabbe22eb359b52a59317b7e852418ef6c24e33d4a7c73c14a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad717efa4c813ffabbe22eb359b52a59317b7e852418ef6c24e33d4a7c73c14a", kill_on_drop: false }`
[INFO] [stdout] ad717efa4c813ffabbe22eb359b52a59317b7e852418ef6c24e33d4a7c73c14a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1f31d14eb68f1be17efb310643082603ce379c10ed5242db7eee898d81badf8
[INFO] running `Command { std: "docker" "start" "-a" "b1f31d14eb68f1be17efb310643082603ce379c10ed5242db7eee898d81badf8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.164
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling rustversion v1.0.18
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking pin-project-lite v0.2.15
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling platforms v2.0.0
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]     Checking cache-padded v1.3.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling syn v2.0.89
[INFO] [stderr]     Checking bytes v1.8.0
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]     Checking concurrent-queue v1.2.4
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking unescape v0.1.0
[INFO] [stderr]     Checking pollster v0.2.5
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking barrage v0.2.3
[INFO] [stderr]     Checking catty v0.1.5
[INFO] [stderr]    Compiling err-derive v0.3.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking nix v0.20.2
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling pin-project-internal v1.1.7
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling derive_more v0.99.18
[INFO] [stderr]    Compiling async-trait v0.1.83
[INFO] [stderr]     Checking tokio v1.41.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking pin-project v1.1.7
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking psutil v3.3.0
[INFO] [stderr]     Checking xtra v0.5.2
[INFO] [stderr]    Compiling xtra_proc v0.1.0
[INFO] [stderr]     Checking tokio-stream v0.1.16
[INFO] [stderr]     Checking serde_json v1.0.133
[INFO] [stderr]     Checking nightfall v0.1.8 (/opt/rustwide/workdir)
[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[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] 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] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nightfall` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nightfall` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b1f31d14eb68f1be17efb310643082603ce379c10ed5242db7eee898d81badf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1f31d14eb68f1be17efb310643082603ce379c10ed5242db7eee898d81badf8", kill_on_drop: false }`
[INFO] [stdout] b1f31d14eb68f1be17efb310643082603ce379c10ed5242db7eee898d81badf8