[INFO] fetching crate scryer-prolog 0.8.127...
[INFO] checking scryer-prolog-0.8.127 against beta for pr-78714
[INFO] extracting crate scryer-prolog 0.8.127 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate scryer-prolog 0.8.127 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scryer-prolog 0.8.127
[INFO] finished tweaking crates.io crate scryer-prolog 0.8.127
[INFO] tweaked toml for crates.io crate scryer-prolog 0.8.127 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate scryer-prolog 0.8.127 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4def8ba25ee7718c9b300ec745a1e98b1d9a6a2c15bf27a370e52573dd280ef3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4def8ba25ee7718c9b300ec745a1e98b1d9a6a2c15bf27a370e52573dd280ef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4def8ba25ee7718c9b300ec745a1e98b1d9a6a2c15bf27a370e52573dd280ef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4def8ba25ee7718c9b300ec745a1e98b1d9a6a2c15bf27a370e52573dd280ef3", kill_on_drop: false }`
[INFO] [stdout] 4def8ba25ee7718c9b300ec745a1e98b1d9a6a2c15bf27a370e52573dd280ef3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f22e56578dd75ad5e7a6f4bef86cd968dfa98386c47d67b433f786e2c5a6dbe6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f22e56578dd75ad5e7a6f4bef86cd968dfa98386c47d67b433f786e2c5a6dbe6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.2.2
[INFO] [stderr]    Compiling rug v1.8.0
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]     Checking az v0.3.1
[INFO] [stderr]     Checking downcast v0.10.0
[INFO] [stderr]     Checking divrem v0.1.0
[INFO] [stderr]     Checking ref_thread_local v0.0.0
[INFO] [stderr]    Compiling openssl-src v111.9.0+1.1.1g
[INFO] [stderr]    Compiling serde_derive v1.0.113
[INFO] [stderr]    Compiling ring v0.16.13
[INFO] [stderr]    Compiling libsodium-sys v0.2.6
[INFO] [stderr]     Checking roxmltree v0.11.0
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]    Compiling scryer-prolog v0.8.127 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking unicode_reader v1.0.0
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]     Checking lexical-core v0.4.6
[INFO] [stderr]     Checking ripemd160 v0.8.0
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking lexical v2.2.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking cpu-time v1.0.0
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking signal-hook v0.1.13
[INFO] [stderr]     Checking crossterm v0.16.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking rustyline v6.1.2
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling git-version-macro v0.3.4
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]     Checking git-version v0.3.4
[INFO] [stderr]    Compiling markup5ever v0.8.1
[INFO] [stderr]     Checking html5ever v0.23.0
[INFO] [stderr]     Checking select v0.4.3
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking sodiumoxide v0.2.6
[INFO] [stderr]     Checking prolog_parser v0.8.65
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]    --> src/machine/mod.rs:310:12
[INFO] [stdout]     |
[INFO] [stdout] 310 |     pub fn reset(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 28s
[INFO] running `Command { std: "docker" "inspect" "f22e56578dd75ad5e7a6f4bef86cd968dfa98386c47d67b433f786e2c5a6dbe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f22e56578dd75ad5e7a6f4bef86cd968dfa98386c47d67b433f786e2c5a6dbe6", kill_on_drop: false }`
[INFO] [stdout] f22e56578dd75ad5e7a6f4bef86cd968dfa98386c47d67b433f786e2c5a6dbe6