[INFO] fetching crate generic-floyd-warshall 0.2.0...
[INFO] testing generic-floyd-warshall-0.2.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate generic-floyd-warshall 0.2.0 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate generic-floyd-warshall 0.2.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate generic-floyd-warshall 0.2.0
[INFO] finished tweaking crates.io crate generic-floyd-warshall 0.2.0
[INFO] tweaked toml for crates.io crate generic-floyd-warshall 0.2.0 written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fe61445328df525a61527d8e8829e1f9d7075ff2bef8120ed4eb6744de03515
[INFO] running `Command { std: "docker" "start" "-a" "3fe61445328df525a61527d8e8829e1f9d7075ff2bef8120ed4eb6744de03515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fe61445328df525a61527d8e8829e1f9d7075ff2bef8120ed4eb6744de03515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fe61445328df525a61527d8e8829e1f9d7075ff2bef8120ed4eb6744de03515", kill_on_drop: false }`
[INFO] [stdout] 3fe61445328df525a61527d8e8829e1f9d7075ff2bef8120ed4eb6744de03515
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 472de8af4e6aeb18603eacfd40188031446b69280e4d90cf5c06adf6b0dc9b2e
[INFO] running `Command { std: "docker" "start" "-a" "472de8af4e6aeb18603eacfd40188031446b69280e4d90cf5c06adf6b0dc9b2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-floyd-warshall v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(const_generics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of `#![feature(adt_const_params)]` and `#![feature(generic_const_exprs)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `generic-floyd-warshall` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "472de8af4e6aeb18603eacfd40188031446b69280e4d90cf5c06adf6b0dc9b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "472de8af4e6aeb18603eacfd40188031446b69280e4d90cf5c06adf6b0dc9b2e", kill_on_drop: false }`
[INFO] [stdout] 472de8af4e6aeb18603eacfd40188031446b69280e4d90cf5c06adf6b0dc9b2e