[INFO] cloning repository https://github.com/kballard/swift-demangle.alfredworkflow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kballard/swift-demangle.alfredworkflow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkballard%2Fswift-demangle.alfredworkflow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkballard%2Fswift-demangle.alfredworkflow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e41793a871bbf5530dd7d93e31a2aceff3c20f4c
[INFO] testing kballard/swift-demangle.alfredworkflow against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkballard%2Fswift-demangle.alfredworkflow" "/workspace/builds/worker-111/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-111/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kballard/swift-demangle.alfredworkflow 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 git repo https://github.com/kballard/swift-demangle.alfredworkflow
[INFO] finished tweaking git repo https://github.com/kballard/swift-demangle.alfredworkflow
[INFO] tweaked toml for git repo https://github.com/kballard/swift-demangle.alfredworkflow written to /workspace/builds/worker-111/source/Cargo.toml
[INFO] crate git repo https://github.com/kballard/swift-demangle.alfredworkflow already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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] 42a0c7d8c7efd9af043ae0ef2a22e7272cb151dd42c13b57ff913c668a4c2afb
[INFO] running `Command { std: "docker" "start" "-a" "42a0c7d8c7efd9af043ae0ef2a22e7272cb151dd42c13b57ff913c668a4c2afb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42a0c7d8c7efd9af043ae0ef2a22e7272cb151dd42c13b57ff913c668a4c2afb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42a0c7d8c7efd9af043ae0ef2a22e7272cb151dd42c13b57ff913c668a4c2afb", kill_on_drop: false }`
[INFO] [stdout] 42a0c7d8c7efd9af043ae0ef2a22e7272cb151dd42c13b57ff913c668a4c2afb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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] de467fa885a1c390aa21c2631fa36de468196e9294ae729331f38f6735b7ffc7
[INFO] running `Command { std: "docker" "start" "-a" "de467fa885a1c390aa21c2631fa36de468196e9294ae729331f38f6735b7ffc7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling alfred v0.2.0
[INFO] [stdout] error[E0432]: unresolved import `std::borrow::IntoCow`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/alfred-0.2.0/src/lib.rs:59:24
[INFO] [stdout]    |
[INFO] [stdout] 59 | use std::borrow::{Cow, IntoCow};
[INFO] [stdout]    |                        ^^^^^^^ no `IntoCow` in `borrow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `unsafe_destructor` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/alfred-0.2.0/src/lib.rs:484:3
[INFO] [stdout]     |
[INFO] [stdout] 484 | #[unsafe_destructor]
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `alfred` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "de467fa885a1c390aa21c2631fa36de468196e9294ae729331f38f6735b7ffc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de467fa885a1c390aa21c2631fa36de468196e9294ae729331f38f6735b7ffc7", kill_on_drop: false }`
[INFO] [stdout] de467fa885a1c390aa21c2631fa36de468196e9294ae729331f38f6735b7ffc7