[INFO] cloning repository https://github.com/msiemens/one2html
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/msiemens/one2html" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsiemens%2Fone2html", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsiemens%2Fone2html'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 734bc3f251f908fce62e0721135735a1073f459d
[INFO] checking msiemens/one2html against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsiemens%2Fone2html" "/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/msiemens/one2html on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/msiemens/one2html
[INFO] finished tweaking git repo https://github.com/msiemens/one2html
[INFO] tweaked toml for git repo https://github.com/msiemens/one2html written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/msiemens/one2html already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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 terminal_size v0.1.13
[INFO] [stderr]   Downloaded tracing-error v0.1.2
[INFO] [stderr]   Downloaded enum-primitive-derive v0.2.1
[INFO] [stderr]   Downloaded owo-colors v1.1.3
[INFO] [stderr]   Downloaded loom v0.3.6
[INFO] [stderr]   Downloaded sharded-slab v0.1.0
[INFO] [stderr]   Downloaded color-spantrace v0.1.4
[INFO] [stderr]   Downloaded eyre v0.6.2
[INFO] [stderr]   Downloaded indenter v0.3.0
[INFO] [stderr]   Downloaded color-eyre v0.5.7
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.15
[INFO] [stderr]   Downloaded happylog v0.1.0
[INFO] [stderr]   Downloaded generator v0.6.23
[INFO] [stderr]   Downloaded console v0.13.0
[INFO] [stderr]   Downloaded indicatif v0.15.0
[INFO] [stderr]   Downloaded sanitize-filename v0.3.0
[INFO] [stderr]   Downloaded onenote_parser v0.2.1
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 414ec1a390449f8308a5b8eea418083a753f32a3eb7e2de14512de98d6f316db
[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" "414ec1a390449f8308a5b8eea418083a753f32a3eb7e2de14512de98d6f316db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "414ec1a390449f8308a5b8eea418083a753f32a3eb7e2de14512de98d6f316db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "414ec1a390449f8308a5b8eea418083a753f32a3eb7e2de14512de98d6f316db", kill_on_drop: false }`
[INFO] [stdout] 414ec1a390449f8308a5b8eea418083a753f32a3eb7e2de14512de98d6f316db
[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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56ec2f8b4546abe993c26fa6ffe750918a5333f0b839162bb628b8eac8c531c1
[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" "56ec2f8b4546abe993c26fa6ffe750918a5333f0b839162bb628b8eac8c531c1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling askama_escape v0.10.1
[INFO] [stderr]     Checking widestring v0.4.3
[INFO] [stderr]    Compiling paste v1.0.2
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking tracing-subscriber v0.2.15
[INFO] [stderr]     Checking nom v5.1.2
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking sanitize-filename v0.3.0
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling enum-primitive-derive v0.2.1
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking console v0.13.0
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking syn v1.0.48
[INFO] [stderr]     Checking tracing-error v0.1.2
[INFO] [stderr]     Checking happylog v0.1.0
[INFO] [stderr]     Checking color-spantrace v0.1.4
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]     Checking color-eyre v0.5.7
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling askama_shared v0.10.4
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]     Checking onenote_parser v0.2.1
[INFO] [stderr]    Compiling askama_derive v0.10.3
[INFO] [stderr]     Checking askama v0.10.3
[INFO] [stderr]     Checking one2html v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "backtrace", feature(backtrace))]
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "backtrace", feature(backtrace))]
[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 `one2html`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[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" "56ec2f8b4546abe993c26fa6ffe750918a5333f0b839162bb628b8eac8c531c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56ec2f8b4546abe993c26fa6ffe750918a5333f0b839162bb628b8eac8c531c1", kill_on_drop: false }`
[INFO] [stdout] 56ec2f8b4546abe993c26fa6ffe750918a5333f0b839162bb628b8eac8c531c1