[INFO] cloning repository https://github.com/kkspeed/imdb-top1000
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kkspeed/imdb-top1000" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkkspeed%2Fimdb-top1000", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkkspeed%2Fimdb-top1000'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc583a53bc7a0d9ac1e2b5dea827a1222353ab2f
[INFO] testing kkspeed/imdb-top1000 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%2Fkkspeed%2Fimdb-top1000" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kkspeed/imdb-top1000 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/kkspeed/imdb-top1000
[INFO] finished tweaking git repo https://github.com/kkspeed/imdb-top1000
[INFO] tweaked toml for git repo https://github.com/kkspeed/imdb-top1000 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/kkspeed/imdb-top1000 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]  Downloading crates ...
[INFO] [stderr]   Downloaded net2 v0.2.32
[INFO] [stderr]   Downloaded hyper-tls v0.1.3
[INFO] [stderr]   Downloaded serde v1.0.36
[INFO] [stderr]   Downloaded select v0.4.2
[INFO] [stderr]   Downloaded tendril v0.3.1
[INFO] [stderr]   Downloaded smallvec v0.4.4
[INFO] [stderr]   Downloaded gcc v0.3.54
[INFO] [stderr]   Downloaded bit-vec v0.4.4
[INFO] [stderr]   Downloaded mime_guess v2.0.0-alpha.4
[INFO] [stderr]   Downloaded utf-8 v0.7.2
[INFO] [stderr]   Downloaded string_cache_codegen v0.4.0
[INFO] [stderr]   Downloaded rocket_codegen v0.3.6
[INFO] [stderr]   Downloaded libflate v0.1.14
[INFO] [stderr]   Downloaded itoa v0.4.1
[INFO] [stderr]   Downloaded futures v0.1.20
[INFO] [stderr]   Downloaded pear v0.0.12
[INFO] [stderr]   Downloaded hyper v0.11.24
[INFO] [stderr]   Downloaded html5ever v0.18.0
[INFO] [stderr]   Downloaded tokio-reactor v0.1.1
[INFO] [stderr]   Downloaded bytes v0.4.6
[INFO] [stderr]   Downloaded rayon v0.7.1
[INFO] [stderr]   Downloaded serde_derive_internals v0.22.2
[INFO] [stderr]   Downloaded tokio v0.1.4
[INFO] [stderr]   Downloaded state v0.3.3
[INFO] [stderr]   Downloaded mio v0.6.14
[INFO] [stderr]   Downloaded byteorder v1.2.1
[INFO] [stderr]   Downloaded schannel v0.1.11
[INFO] [stderr]   Downloaded crossbeam-deque v0.3.0
[INFO] [stderr]   Downloaded untrusted v0.5.1
[INFO] [stderr]   Downloaded bit-set v0.4.0
[INFO] [stderr]   Downloaded pear_codegen v0.0.12
[INFO] [stderr]   Downloaded yansi v0.3.4
[INFO] [stderr]   Downloaded ring v0.11.0
[INFO] [stderr]   Downloaded tokio-executor v0.1.1
[INFO] [stderr]   Downloaded reqwest v0.8.5
[INFO] [stderr]   Downloaded base64 v0.9.0
[INFO] [stderr]   Downloaded tokio-udp v0.1.0
[INFO] [stderr]   Downloaded crc v1.7.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.27
[INFO] [stderr]   Downloaded crossbeam-epoch v0.4.1
[INFO] [stderr]   Downloaded time v0.1.39
[INFO] [stderr]   Downloaded ordermap v0.2.13
[INFO] [stderr]   Downloaded httparse v1.2.4
[INFO] [stderr]   Downloaded tokio-tcp v0.1.0
[INFO] [stderr]   Downloaded syn v0.12.15
[INFO] [stderr]   Downloaded scoped-tls v0.1.1
[INFO] [stderr]   Downloaded markup5ever v0.3.2
[INFO] [stderr]   Downloaded encoding_rs v0.7.2
[INFO] [stderr]   Downloaded tokio-core v0.1.16
[INFO] [stderr]   Downloaded string_cache v0.6.2
[INFO] [stderr]   Downloaded remove_dir_all v0.5.0
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.1
[INFO] [stderr]   Downloaded cookie v0.9.2
[INFO] [stderr]   Downloaded futf v0.1.3
[INFO] [stderr]   Downloaded tokio-io v0.1.6
[INFO] [stderr]   Downloaded num-traits v0.2.2
[INFO] [stderr]   Downloaded rocket v0.3.6
[INFO] [stderr]   Downloaded serde_derive v1.0.36
[INFO] [stderr]   Downloaded serde_json v1.0.13
[INFO] [stderr]   Downloaded threadpool v1.7.1
[INFO] [stderr]   Downloaded debug_unreachable v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 8bf5ae59f174509073ab9e5fe6b2b86caa167ab4263eefdec4a76150754c012f
[INFO] running `Command { std: "docker" "start" "-a" "8bf5ae59f174509073ab9e5fe6b2b86caa167ab4263eefdec4a76150754c012f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bf5ae59f174509073ab9e5fe6b2b86caa167ab4263eefdec4a76150754c012f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bf5ae59f174509073ab9e5fe6b2b86caa167ab4263eefdec4a76150754c012f", kill_on_drop: false }`
[INFO] [stdout] 8bf5ae59f174509073ab9e5fe6b2b86caa167ab4263eefdec4a76150754c012f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] c6c0d4b1b1ebdc90fc64dbc760adec8b2be721f71a46a7b6d1385d8bc22d0b3a
[INFO] running `Command { std: "docker" "start" "-a" "c6c0d4b1b1ebdc90fc64dbc760adec8b2be721f71a46a7b6d1385d8bc22d0b3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling futures v0.1.20
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling slab v0.4.0
[INFO] [stderr]    Compiling lazycell v0.6.0
[INFO] [stderr]    Compiling serde v1.0.36
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling yansi v0.3.4
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling scoped-tls v0.1.1
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling httparse v1.2.4
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[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/yansi-0.3.4/src/lib.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature="nightly", feature(const_atomic_bool_new))]
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling build_const v0.2.0
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yansi` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c6c0d4b1b1ebdc90fc64dbc760adec8b2be721f71a46a7b6d1385d8bc22d0b3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6c0d4b1b1ebdc90fc64dbc760adec8b2be721f71a46a7b6d1385d8bc22d0b3a", kill_on_drop: false }`
[INFO] [stdout] c6c0d4b1b1ebdc90fc64dbc760adec8b2be721f71a46a7b6d1385d8bc22d0b3a