[INFO] fetching crate nightfall 0.1.8...
[INFO] testing nightfall-0.1.8 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate nightfall 0.1.8 into /workspace/builds/worker-2-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nightfall 0.1.8 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 97 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.2.1 (available: v1.3.2)
[INFO] [stderr]       Adding nix v0.20.2 (available: v0.30.1)
[INFO] [stderr]       Adding ntapi v0.3.7 (available: v0.4.1)
[INFO] [stderr]       Adding psutil v3.3.0 (available: v5.4.0)
[INFO] [stderr]       Adding uuid v0.8.2 (available: v1.18.0)
[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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6b055942bbcd6ba9e7927974b578c417fe6518409266c29dc38d3e5dcb89cf1
[INFO] running `Command { std: "docker" "start" "-a" "b6b055942bbcd6ba9e7927974b578c417fe6518409266c29dc38d3e5dcb89cf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6b055942bbcd6ba9e7927974b578c417fe6518409266c29dc38d3e5dcb89cf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6b055942bbcd6ba9e7927974b578c417fe6518409266c29dc38d3e5dcb89cf1", kill_on_drop: false }`
[INFO] [stdout] b6b055942bbcd6ba9e7927974b578c417fe6518409266c29dc38d3e5dcb89cf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 763b265f1fdd34abe1726ef4ed48a768fb81bb78368961ad5873672bc24d2808
[INFO] running `Command { std: "docker" "start" "-a" "763b265f1fdd34abe1726ef4ed48a768fb81bb78368961ad5873672bc24d2808", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[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 futures-sink v0.3.31
[INFO] [stderr]    Compiling platforms v2.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling err-derive v0.3.1
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling concurrent-queue v1.2.4
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling catty v0.1.5
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling unescape v0.1.0
[INFO] [stderr]    Compiling pollster v0.2.5
[INFO] [stderr]    Compiling futures-timer v3.0.3
[INFO] [stderr]    Compiling barrage v0.2.3
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling flume v0.10.14
[INFO] [stderr]    Compiling xtra v0.5.2
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling nix v0.20.2
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling psutil v3.3.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling xtra_proc v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling nightfall v0.1.8 (/opt/rustwide/workdir)
[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]   = note: `#[warn(stable_features)]` on by default
[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>` 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: 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; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "763b265f1fdd34abe1726ef4ed48a768fb81bb78368961ad5873672bc24d2808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "763b265f1fdd34abe1726ef4ed48a768fb81bb78368961ad5873672bc24d2808", kill_on_drop: false }`
[INFO] [stdout] 763b265f1fdd34abe1726ef4ed48a768fb81bb78368961ad5873672bc24d2808