[INFO] fetching crate certitude 1.1.0...
[INFO] testing certitude-1.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate certitude 1.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate certitude 1.1.0 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 certitude 1.1.0
[INFO] finished tweaking crates.io crate certitude 1.1.0
[INFO] tweaked toml for crates.io crate certitude 1.1.0 written to /workspace/builds/worker-7/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crypt32-sys v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] a7a955f05661f42613babfab3b7a9161b84acc7802e74b42dc11d15dec4dd9ff
[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" "a7a955f05661f42613babfab3b7a9161b84acc7802e74b42dc11d15dec4dd9ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7a955f05661f42613babfab3b7a9161b84acc7802e74b42dc11d15dec4dd9ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7a955f05661f42613babfab3b7a9161b84acc7802e74b42dc11d15dec4dd9ff", kill_on_drop: false }`
[INFO] [stdout] a7a955f05661f42613babfab3b7a9161b84acc7802e74b42dc11d15dec4dd9ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2e8199de5b21520d9ae21b76d090822000180d4f9df35c69ea289de9efa0fc3a
[INFO] running `Command { std: "docker" "start" "-a" "2e8199de5b21520d9ae21b76d090822000180d4f9df35c69ea289de9efa0fc3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling certitude v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `backend` in this scope
[INFO] [stdout]   --> src/platform.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     backend(encoded_certs, hostname)
[INFO] [stdout]    |     ^^^^^^^ not found in this scope
[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 E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `certitude`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "2e8199de5b21520d9ae21b76d090822000180d4f9df35c69ea289de9efa0fc3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e8199de5b21520d9ae21b76d090822000180d4f9df35c69ea289de9efa0fc3a", kill_on_drop: false }`
[INFO] [stdout] 2e8199de5b21520d9ae21b76d090822000180d4f9df35c69ea289de9efa0fc3a