[INFO] crate loaf 0.1.0-alpha4 is already in cache
[INFO] testing loaf-0.1.0-alpha4 against 1.45.2 for beta-1.46-1
[INFO] extracting crate loaf 0.1.0-alpha4 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate loaf 0.1.0-alpha4 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate loaf 0.1.0-alpha4
[INFO] finished tweaking crates.io crate loaf 0.1.0-alpha4
[INFO] tweaked toml for crates.io crate loaf 0.1.0-alpha4 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46e869db375d95124e51f3d2365f9c79c6826d9f83d86bf89cfc5eec673e6917
[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" "46e869db375d95124e51f3d2365f9c79c6826d9f83d86bf89cfc5eec673e6917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46e869db375d95124e51f3d2365f9c79c6826d9f83d86bf89cfc5eec673e6917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46e869db375d95124e51f3d2365f9c79c6826d9f83d86bf89cfc5eec673e6917", kill_on_drop: false }`
[INFO] [stdout] 46e869db375d95124e51f3d2365f9c79c6826d9f83d86bf89cfc5eec673e6917
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c82cd21d1c1313ac24f5c7c23fe02fcfcfdd56ad516f6747addf7d2a65ec5da
[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" "0c82cd21d1c1313ac24f5c7c23fe02fcfcfdd56ad516f6747addf7d2a65ec5da", kill_on_drop: false }`
[INFO] [stderr]    Compiling loaf v0.1.0-alpha4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "0c82cd21d1c1313ac24f5c7c23fe02fcfcfdd56ad516f6747addf7d2a65ec5da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c82cd21d1c1313ac24f5c7c23fe02fcfcfdd56ad516f6747addf7d2a65ec5da", kill_on_drop: false }`
[INFO] [stdout] 0c82cd21d1c1313ac24f5c7c23fe02fcfcfdd56ad516f6747addf7d2a65ec5da
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46f592d00f0b40a219005e1c0af401d72e57a1ea89dea71dc2bfe28096b4d74d
[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" "46f592d00f0b40a219005e1c0af401d72e57a1ea89dea71dc2bfe28096b4d74d", kill_on_drop: false }`
[INFO] [stderr]    Compiling loaf v0.1.0-alpha4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "46f592d00f0b40a219005e1c0af401d72e57a1ea89dea71dc2bfe28096b4d74d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46f592d00f0b40a219005e1c0af401d72e57a1ea89dea71dc2bfe28096b4d74d", kill_on_drop: false }`
[INFO] [stdout] 46f592d00f0b40a219005e1c0af401d72e57a1ea89dea71dc2bfe28096b4d74d
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 83d4ca6cd0d2971a7096ab8f430691747a553fcbe861d7fc55fc20943c4e667c
[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" "83d4ca6cd0d2971a7096ab8f430691747a553fcbe861d7fc55fc20943c4e667c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/loaf-94725a9f1ea6a29b
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/loaf-937989c98f586554
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test two ... ok
[INFO] [stdout] test one ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/loaf_alloc-c752e15e9053a1e8
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests loaf
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:2:44
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![cfg_attr(any(feature = "nightly", doc), feature(const_generics))]
[INFO] [stderr]   |                                            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "83d4ca6cd0d2971a7096ab8f430691747a553fcbe861d7fc55fc20943c4e667c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83d4ca6cd0d2971a7096ab8f430691747a553fcbe861d7fc55fc20943c4e667c", kill_on_drop: false }`
[INFO] [stdout] 83d4ca6cd0d2971a7096ab8f430691747a553fcbe861d7fc55fc20943c4e667c