[INFO] fetching crate scte35-reader 0.14.0...
[INFO] checking scte35-reader-0.14.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate scte35-reader 0.14.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate scte35-reader 0.14.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scte35-reader 0.14.0
[INFO] finished tweaking crates.io crate scte35-reader 0.14.0
[INFO] tweaked toml for crates.io crate scte35-reader 0.14.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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 hex-literal-impl v0.2.2
[INFO] [stderr]   Downloaded hex-literal v0.2.1
[INFO] [stderr]   Downloaded hex-slice v0.1.4
[INFO] [stderr]   Downloaded four-cc v0.1.0
[INFO] [stderr]   Downloaded smptera-format-identifiers-rust v0.3.0
[INFO] [stderr]   Downloaded mpeg2ts-reader v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e20445d115e461ad3782b16714434c859321ef8256bbbdb45beaf0cd5a8779f
[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" "4e20445d115e461ad3782b16714434c859321ef8256bbbdb45beaf0cd5a8779f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e20445d115e461ad3782b16714434c859321ef8256bbbdb45beaf0cd5a8779f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e20445d115e461ad3782b16714434c859321ef8256bbbdb45beaf0cd5a8779f", kill_on_drop: false }`
[INFO] [stdout] 4e20445d115e461ad3782b16714434c859321ef8256bbbdb45beaf0cd5a8779f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 725c20a62e2baf25aacbf6868441d1897ad687bc473fc31a42c3ea9fe45c26aa
[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" "725c20a62e2baf25aacbf6868441d1897ad687bc473fc31a42c3ea9fe45c26aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking four-cc v0.1.0
[INFO] [stderr]     Checking hex-slice v0.1.4
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking bitreader v0.3.4
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]     Checking smptera-format-identifiers-rust v0.3.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking mpeg2ts-reader v0.15.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]    Compiling serdebug v1.0.5
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling serdebug_derive v1.0.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serdebug-1.0.5/src/lib.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(nightly, feature(external_doc))]
[INFO] [stdout]   |                              ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: use #[doc = include_str!("filename")] instead, which handles macro invocations
[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 E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serdebug` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "725c20a62e2baf25aacbf6868441d1897ad687bc473fc31a42c3ea9fe45c26aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "725c20a62e2baf25aacbf6868441d1897ad687bc473fc31a42c3ea9fe45c26aa", kill_on_drop: false }`
[INFO] [stdout] 725c20a62e2baf25aacbf6868441d1897ad687bc473fc31a42c3ea9fe45c26aa