[INFO] cloning repository https://github.com/Slowyn/punchline
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Slowyn/punchline" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSlowyn%2Fpunchline", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSlowyn%2Fpunchline'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 80652654556e3cf78ce46510fb325164904f5d67
[INFO] documenting Slowyn/punchline against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSlowyn%2Fpunchline" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Slowyn/punchline on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Slowyn/punchline
[INFO] finished tweaking git repo https://github.com/Slowyn/punchline
[INFO] tweaked toml for git repo https://github.com/Slowyn/punchline written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Slowyn/punchline already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded state v0.3.3
[INFO] [stderr]   Downloaded pear_codegen v0.0.12
[INFO] [stderr]   Downloaded rocket_codegen v0.3.6
[INFO] [stderr]   Downloaded pear v0.0.12
[INFO] [stderr]   Downloaded rocket v0.3.6
[INFO] [stderr]   Downloaded juniper v0.9.2
[INFO] [stderr]   Downloaded juniper_codegen v0.9.2
[INFO] [stderr]   Downloaded rocket_contrib v0.3.6
[INFO] [stderr]   Downloaded juniper_rocket v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 44887f6bd8d803c33377b69143f404ef86c2dbd420edec35b4321893ee22a4c2
[INFO] running `Command { std: "docker" "start" "-a" "44887f6bd8d803c33377b69143f404ef86c2dbd420edec35b4321893ee22a4c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44887f6bd8d803c33377b69143f404ef86c2dbd420edec35b4321893ee22a4c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44887f6bd8d803c33377b69143f404ef86c2dbd420edec35b4321893ee22a4c2", kill_on_drop: false }`
[INFO] [stdout] 44887f6bd8d803c33377b69143f404ef86c2dbd420edec35b4321893ee22a4c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "RUSTDOCFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 270ddfd69ff77186eebb3f2eac55ccaa1b4606532a6583c3144bd8030a80ba4a
[INFO] running `Command { std: "docker" "start" "-a" "270ddfd69ff77186eebb3f2eac55ccaa1b4606532a6583c3144bd8030a80ba4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.35
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling yansi v0.3.4
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]     Checking unicode-normalization v0.1.5
[INFO] [stderr]     Checking num-traits v0.1.42
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]     Checking serde v1.0.27
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling cc v1.0.4
[INFO] [stderr]    Compiling untrusted v0.5.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/yansi-0.3.4/src/lib.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature="nightly", feature(const_atomic_bool_new))]
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `const_atomic_bool_new`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/yansi-0.3.4/src/lib.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature="nightly", feature(const_atomic_bool_new))]
[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, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yansi` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "270ddfd69ff77186eebb3f2eac55ccaa1b4606532a6583c3144bd8030a80ba4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "270ddfd69ff77186eebb3f2eac55ccaa1b4606532a6583c3144bd8030a80ba4a", kill_on_drop: false }`
[INFO] [stdout] 270ddfd69ff77186eebb3f2eac55ccaa1b4606532a6583c3144bd8030a80ba4a