[INFO] fetching crate recfiles 0.1.0...
[INFO] testing recfiles-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate recfiles 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate recfiles 0.1.0 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 recfiles 0.1.0
[INFO] finished tweaking crates.io crate recfiles 0.1.0
[INFO] tweaked toml for crates.io crate recfiles 0.1.0 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2dd56113172dad03d99264c9c72050597a1d6f93c442d26d2a0e93971887e298
[INFO] running `Command { std: "docker" "start" "-a" "2dd56113172dad03d99264c9c72050597a1d6f93c442d26d2a0e93971887e298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dd56113172dad03d99264c9c72050597a1d6f93c442d26d2a0e93971887e298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dd56113172dad03d99264c9c72050597a1d6f93c442d26d2a0e93971887e298", kill_on_drop: false }`
[INFO] [stdout] 2dd56113172dad03d99264c9c72050597a1d6f93c442d26d2a0e93971887e298
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 6bbd39e5a66e2f085932384b36a113ab7bca1673e26c3269ddac50670d4a8ca3
[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" "6bbd39e5a66e2f085932384b36a113ab7bca1673e26c3269ddac50670d4a8ca3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling recfiles v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.65s
[INFO] running `Command { std: "docker" "inspect" "6bbd39e5a66e2f085932384b36a113ab7bca1673e26c3269ddac50670d4a8ca3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bbd39e5a66e2f085932384b36a113ab7bca1673e26c3269ddac50670d4a8ca3", kill_on_drop: false }`
[INFO] [stdout] 6bbd39e5a66e2f085932384b36a113ab7bca1673e26c3269ddac50670d4a8ca3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56fb7de7e8487bc21b0e0a6e2dc38e93d74c81201888883ce1985ed8c45d57fd
[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" "56fb7de7e8487bc21b0e0a6e2dc38e93d74c81201888883ce1985ed8c45d57fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling recfiles v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `serde_rec`
[INFO] [stdout]   --> src/descriptor.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     extern crate serde_rec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `recfiles` due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "56fb7de7e8487bc21b0e0a6e2dc38e93d74c81201888883ce1985ed8c45d57fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56fb7de7e8487bc21b0e0a6e2dc38e93d74c81201888883ce1985ed8c45d57fd", kill_on_drop: false }`
[INFO] [stdout] 56fb7de7e8487bc21b0e0a6e2dc38e93d74c81201888883ce1985ed8c45d57fd