[INFO] fetching crate recfiles 0.1.0...
[INFO] testing recfiles-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate recfiles 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate recfiles 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] fd2df4145f8f00676718537e5d0a74ab09fd33341c182858fda4e2351bc79481
[INFO] running `Command { std: "docker" "start" "-a" "fd2df4145f8f00676718537e5d0a74ab09fd33341c182858fda4e2351bc79481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd2df4145f8f00676718537e5d0a74ab09fd33341c182858fda4e2351bc79481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd2df4145f8f00676718537e5d0a74ab09fd33341c182858fda4e2351bc79481", kill_on_drop: false }`
[INFO] [stdout] fd2df4145f8f00676718537e5d0a74ab09fd33341c182858fda4e2351bc79481
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85f29adf129709418bfef07a65e9a38645275ed92452b4dd52f8ee0fb0619d60
[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" "85f29adf129709418bfef07a65e9a38645275ed92452b4dd52f8ee0fb0619d60", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling recfiles v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.23s
[INFO] running `Command { std: "docker" "inspect" "85f29adf129709418bfef07a65e9a38645275ed92452b4dd52f8ee0fb0619d60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85f29adf129709418bfef07a65e9a38645275ed92452b4dd52f8ee0fb0619d60", kill_on_drop: false }`
[INFO] [stdout] 85f29adf129709418bfef07a65e9a38645275ed92452b4dd52f8ee0fb0619d60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", 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] c44c8d2a23870f32998eaa8e03f466edad22576edd972c401f137f7cf24dc330
[INFO] running `Command { std: "docker" "start" "-a" "c44c8d2a23870f32998eaa8e03f466edad22576edd972c401f137f7cf24dc330", 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] [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] [stderr] error: could not compile `recfiles`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "c44c8d2a23870f32998eaa8e03f466edad22576edd972c401f137f7cf24dc330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c44c8d2a23870f32998eaa8e03f466edad22576edd972c401f137f7cf24dc330", kill_on_drop: false }`
[INFO] [stdout] c44c8d2a23870f32998eaa8e03f466edad22576edd972c401f137f7cf24dc330