[INFO] cloning repository https://github.com/david-pikas/exjobb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/david-pikas/exjobb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavid-pikas%2Fexjobb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavid-pikas%2Fexjobb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bbbb411ae287079710fee92f564888284def59e1
[INFO] testing david-pikas/exjobb 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%2Fdavid-pikas%2Fexjobb" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/david-pikas/exjobb 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/david-pikas/exjobb
[INFO] finished tweaking git repo https://github.com/david-pikas/exjobb
[INFO] tweaked toml for git repo https://github.com/david-pikas/exjobb written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/david-pikas/exjobb 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]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-attributes v0.1.15
[INFO] [stderr]   Downloaded arrayvec v0.7.1
[INFO] [stderr]   Downloaded filedescriptor v0.8.0
[INFO] [stderr]   Downloaded gag v1.0.0
[INFO] [stderr]   Downloaded getopts v0.2.21
[INFO] [stderr]   Downloaded arbitrary v1.0.1
[INFO] [stderr]   Downloaded psm v0.1.14
[INFO] [stderr]   Downloaded rustc-ap-rustc_macros v723.0.0
[INFO] [stderr]   Downloaded memmap2 v0.2.3
[INFO] [stderr]   Downloaded ena v0.14.0
[INFO] [stderr]   Downloaded md-5 v0.9.1
[INFO] [stderr]   Downloaded tracing-core v0.1.18
[INFO] [stderr]   Downloaded measureme v9.1.2
[INFO] [stderr]   Downloaded sha2 v0.9.5
[INFO] [stderr]   Downloaded annotate-snippets v0.8.0
[INFO] [stderr]   Downloaded termize v0.1.1
[INFO] [stderr]   Downloaded ctrlc v3.1.9
[INFO] [stderr]   Downloaded perf-event-open-sys v1.0.1
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.3
[INFO] [stderr]   Downloaded cpufeatures v0.1.5
[INFO] [stderr]   Downloaded jobserver v0.1.22
[INFO] [stderr]   Downloaded rustc-rayon v0.3.1
[INFO] [stderr]   Downloaded rustc-rayon-core v0.3.1
[INFO] [stderr]   Downloaded stacker v0.1.14
[INFO] [stderr]   Downloaded sha-1 v0.9.7
[INFO] [stderr]   Downloaded synstructure v0.12.5
[INFO] [stderr]   Downloaded rustc-ap-rustc_graphviz v723.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_fs_util v723.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_lexer v723.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_arena v723.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast_pretty v723.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_index v723.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_errors v723.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_serialize v723.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_feature v723.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_lint_defs v723.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_session v723.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_target v723.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast v723.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_span v723.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_parse v723.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_data_structures v723.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 0de2391eb6865e42e61e9400a0ea3341bfcadcb2ac430556e698f62ed58d2827
[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" "0de2391eb6865e42e61e9400a0ea3341bfcadcb2ac430556e698f62ed58d2827", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0de2391eb6865e42e61e9400a0ea3341bfcadcb2ac430556e698f62ed58d2827", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0de2391eb6865e42e61e9400a0ea3341bfcadcb2ac430556e698f62ed58d2827", kill_on_drop: false }`
[INFO] [stdout] 0de2391eb6865e42e61e9400a0ea3341bfcadcb2ac430556e698f62ed58d2827
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 665d17e7b71658dceb62e39f1f9cfc09906992c49db03e10e606a7fb99d8c4bb
[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" "665d17e7b71658dceb62e39f1f9cfc09906992c49db03e10e606a7fb99d8c4bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling rustc-ap-rustc_graphviz v723.0.0
[INFO] [stderr]    Compiling annotate-snippets v0.8.0
[INFO] [stderr]    Compiling rustc-ap-rustc_fs_util v723.0.0
[INFO] [stderr]    Compiling arbitrary v1.0.1
[INFO] [stderr]    Compiling rustc-ap-rustc_lexer v723.0.0
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling sha-1 v0.9.7
[INFO] [stderr]    Compiling tracing v0.1.26
[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/smallvec-1.6.1/src/lib.rs:76:37
[INFO] [stdout]    |
[INFO] [stdout] 76 | #![cfg_attr(feature = "may_dangle", feature(dropck_eyepatch))]
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^
[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/rustc-ap-rustc_graphviz-723.0.0/src/lib.rs:278:1
[INFO] [stdout]     |
[INFO] [stdout] 278 | #![feature(nll)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-ap-rustc_graphviz` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "665d17e7b71658dceb62e39f1f9cfc09906992c49db03e10e606a7fb99d8c4bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "665d17e7b71658dceb62e39f1f9cfc09906992c49db03e10e606a7fb99d8c4bb", kill_on_drop: false }`
[INFO] [stdout] 665d17e7b71658dceb62e39f1f9cfc09906992c49db03e10e606a7fb99d8c4bb