[INFO] fetching crate loaf 0.1.0-alpha6...
[INFO] testing loaf-0.1.0-alpha6 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate loaf 0.1.0-alpha6 into /workspace/builds/worker-98/source
[INFO] validating manifest of crates.io crate loaf 0.1.0-alpha6 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate loaf 0.1.0-alpha6
[INFO] finished tweaking crates.io crate loaf 0.1.0-alpha6
[INFO] tweaked toml for crates.io crate loaf 0.1.0-alpha6 written to /workspace/builds/worker-98/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4afc800750352d5681062069d22d69a1d1333e6c468facb6bbe0b22758b8b97e
[INFO] running `Command { std: "docker" "start" "-a" "4afc800750352d5681062069d22d69a1d1333e6c468facb6bbe0b22758b8b97e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4afc800750352d5681062069d22d69a1d1333e6c468facb6bbe0b22758b8b97e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4afc800750352d5681062069d22d69a1d1333e6c468facb6bbe0b22758b8b97e", kill_on_drop: false }`
[INFO] [stdout] 4afc800750352d5681062069d22d69a1d1333e6c468facb6bbe0b22758b8b97e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 860c64ead5d69a98803f241b2ab424b76ebc6e373beede20576119077c2d385f
[INFO] running `Command { std: "docker" "start" "-a" "860c64ead5d69a98803f241b2ab424b76ebc6e373beede20576119077c2d385f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling loaf v0.1.0-alpha6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "860c64ead5d69a98803f241b2ab424b76ebc6e373beede20576119077c2d385f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "860c64ead5d69a98803f241b2ab424b76ebc6e373beede20576119077c2d385f", kill_on_drop: false }`
[INFO] [stdout] 860c64ead5d69a98803f241b2ab424b76ebc6e373beede20576119077c2d385f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc72e86d489f2563b6944d0b358b111954d0ba9545dad3e41000c71c7cb04242
[INFO] running `Command { std: "docker" "start" "-a" "fc72e86d489f2563b6944d0b358b111954d0ba9545dad3e41000c71c7cb04242", kill_on_drop: false }`
[INFO] [stderr]    Compiling loaf v0.1.0-alpha6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "fc72e86d489f2563b6944d0b358b111954d0ba9545dad3e41000c71c7cb04242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc72e86d489f2563b6944d0b358b111954d0ba9545dad3e41000c71c7cb04242", kill_on_drop: false }`
[INFO] [stdout] fc72e86d489f2563b6944d0b358b111954d0ba9545dad3e41000c71c7cb04242
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 25f08fa6c8350fb79b1b981a64e581ca97e066d7298336cfdafe0c9eec209b0b
[INFO] running `Command { std: "docker" "start" "-a" "25f08fa6c8350fb79b1b981a64e581ca97e066d7298336cfdafe0c9eec209b0b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/loaf-2cdf29ce66a35889)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/loaf.rs (/opt/rustwide/target/debug/deps/loaf-4e22a9719c5f0b7e)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running tests/loaf_alloc.rs (/opt/rustwide/target/debug/deps/loaf_alloc-42cd770f8fc79068)
[INFO] [stdout] test deref ... ok
[INFO] [stdout] test one ... ok
[INFO] [stdout] test two ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests loaf
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:2:52
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![cfg_attr(any(feature = "nightly", doc), feature(const_generics))]
[INFO] [stderr]   |                                                    ^^^^^^^^^^^^^^ feature has been removed
[INFO] [stderr]   |
[INFO] [stderr]   = note: removed in favor of `#![feature(adt_const_params]` and `#![feature(generic_const_exprs)]`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta 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 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0554, E0557.
[INFO] [stderr] For more information about an error, try `rustc --explain E0554`.
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "25f08fa6c8350fb79b1b981a64e581ca97e066d7298336cfdafe0c9eec209b0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25f08fa6c8350fb79b1b981a64e581ca97e066d7298336cfdafe0c9eec209b0b", kill_on_drop: false }`
[INFO] [stdout] 25f08fa6c8350fb79b1b981a64e581ca97e066d7298336cfdafe0c9eec209b0b