[INFO] fetching crate ari 0.0.5... [INFO] testing ari-0.0.5 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] extracting crate ari 0.0.5 into /workspace/builds/worker-90/source [INFO] validating manifest of crates.io crate ari 0.0.5 on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ari 0.0.5 [INFO] finished tweaking crates.io crate ari 0.0.5 [INFO] tweaked toml for crates.io crate ari 0.0.5 written to /workspace/builds/worker-90/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--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-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d6ce52fc0521e61e5ec5368fd6708454ff593fee34d206c4a1de0043eba29619 [INFO] running `Command { std: "docker" "start" "-a" "d6ce52fc0521e61e5ec5368fd6708454ff593fee34d206c4a1de0043eba29619", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d6ce52fc0521e61e5ec5368fd6708454ff593fee34d206c4a1de0043eba29619", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6ce52fc0521e61e5ec5368fd6708454ff593fee34d206c4a1de0043eba29619", kill_on_drop: false }` [INFO] [stdout] d6ce52fc0521e61e5ec5368fd6708454ff593fee34d206c4a1de0043eba29619 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 80907b9384dd8052c64f7c266ec65eafbcdb979a721ca156e226e5ec2b5192a5 [INFO] running `Command { std: "docker" "start" "-a" "80907b9384dd8052c64f7c266ec65eafbcdb979a721ca156e226e5ec2b5192a5", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling winapi v0.3.9 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling smallvec v1.7.0 [INFO] [stderr] Compiling untrusted v0.7.1 [INFO] [stderr] Compiling ari v0.0.5 (/opt/rustwide/workdir) [INFO] [stderr] Compiling once_cell v1.8.0 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Compiling instant v0.1.12 [INFO] [stderr] Compiling lock_api v0.4.5 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | const_fn, [INFO] [stdout] | ^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: split into finer-grained feature gates [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | specialization, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] error: could not compile `ari` due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "80907b9384dd8052c64f7c266ec65eafbcdb979a721ca156e226e5ec2b5192a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80907b9384dd8052c64f7c266ec65eafbcdb979a721ca156e226e5ec2b5192a5", kill_on_drop: false }` [INFO] [stdout] 80907b9384dd8052c64f7c266ec65eafbcdb979a721ca156e226e5ec2b5192a5