[INFO] cloning repository https://github.com/mmrath/ara
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mmrath/ara" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmrath%2Fara", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmrath%2Fara'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f62eeac56a8ae3885a243e22314e6aae1fffdbc7
[INFO] testing mmrath/ara against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmrath%2Fara" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mmrath/ara 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 git repo https://github.com/mmrath/ara
[INFO] finished tweaking git repo https://github.com/mmrath/ara
[INFO] tweaked toml for git repo https://github.com/mmrath/ara written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/mmrath/ara already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clang-sys v0.26.4
[INFO] [stderr]   Downloaded err-derive v0.1.5
[INFO] [stderr]   Downloaded which v2.0.1
[INFO] [stderr]   Downloaded config v0.9.2
[INFO] [stderr]   Downloaded r2d2 v0.8.4
[INFO] [stderr]   Downloaded bindgen v0.48.1
[INFO] [stderr]   Downloaded serde-value v0.5.3
[INFO] [stderr]   Downloaded serde_type_name v0.2.0
[INFO] [stderr]   Downloaded validator v0.8.0
[INFO] [stderr]   Downloaded if_chain v0.1.3
[INFO] [stderr]   Downloaded argonautica v0.2.0
[INFO] [stderr]   Downloaded isatty v0.1.9
[INFO] [stderr]   Downloaded log4rs v0.8.3
[INFO] [stderr]   Downloaded fsevent v0.2.17
[INFO] [stderr]   Downloaded fsevent-sys v0.1.6
[INFO] [stderr]   Downloaded notify v4.0.10
[INFO] [stderr]   Downloaded hyper v0.10.15
[INFO] [stderr]   Downloaded pear_codegen v0.1.2
[INFO] [stderr]   Downloaded jsonwebtoken v5.0.1
[INFO] [stderr]   Downloaded validator_derive v0.8.0
[INFO] [stderr]   Downloaded cexpr v0.3.5
[INFO] [stderr]   Downloaded pear v0.1.2
[INFO] [stderr]   Downloaded strum v0.15.0
[INFO] [stderr]   Downloaded strum_macros v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 40453f5a34bac2f43ff04d517dda2a01be191ab437879526f8677cc40c04e7f6
[INFO] running `Command { std: "docker" "start" "-a" "40453f5a34bac2f43ff04d517dda2a01be191ab437879526f8677cc40c04e7f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40453f5a34bac2f43ff04d517dda2a01be191ab437879526f8677cc40c04e7f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40453f5a34bac2f43ff04d517dda2a01be191ab437879526f8677cc40c04e7f6", kill_on_drop: false }`
[INFO] [stdout] 40453f5a34bac2f43ff04d517dda2a01be191ab437879526f8677cc40c04e7f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] c583deb2757b49aecaa04ff85af4d9ee4fe3b640a9bb4e95bd123ebaea0c08c7
[INFO] running `Command { std: "docker" "start" "-a" "c583deb2757b49aecaa04ff85af4d9ee4fe3b640a9bb4e95bd123ebaea0c08c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling smallvec v0.6.9
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling yansi v0.4.0
[INFO] [stderr]    Compiling safemem v0.3.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.14
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling state v0.4.1
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bindgen v0.48.1
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling if_chain v0.1.3
[INFO] [stderr]    Compiling futures v0.1.26
[INFO] [stderr]    Compiling rust-ini v0.13.0
[INFO] [stderr]    Compiling strum v0.15.0
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling log-mdc v0.1.0
[INFO] [stderr]    Compiling arc-swap v0.3.11
[INFO] [stderr]    Compiling ara-test-utils v0.1.0 (/opt/rustwide/workdir/ara-test-utils)
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.0
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling pear_codegen v0.1.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling rocket_codegen v0.4.0 (https://github.com/SergioBenitez/Rocket#3c51a2f4)
[INFO] [stderr]    Compiling rocket v0.4.0 (https://github.com/SergioBenitez/Rocket#3c51a2f4)
[INFO] [stderr]    Compiling pest v2.1.1
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lock_api-0.1.5/src/lib.rs:88:42
[INFO] [stdout]    |
[INFO] [stdout] 88 | #![cfg_attr(feature = "nightly", feature(const_fn))]
[INFO] [stdout]    |                                          ^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lock_api-0.1.5/src/lib.rs:88:34
[INFO] [stdout]    |
[INFO] [stdout] 88 | #![cfg_attr(feature = "nightly", feature(const_fn))]
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lock_api` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c583deb2757b49aecaa04ff85af4d9ee4fe3b640a9bb4e95bd123ebaea0c08c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c583deb2757b49aecaa04ff85af4d9ee4fe3b640a9bb4e95bd123ebaea0c08c7", kill_on_drop: false }`
[INFO] [stdout] c583deb2757b49aecaa04ff85af4d9ee4fe3b640a9bb4e95bd123ebaea0c08c7