[INFO] fetching crate rlink-core 0.1.0...
[INFO] checking rlink-core-0.1.0 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] extracting crate rlink-core 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rlink-core 0.1.0 on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rlink-core 0.1.0
[INFO] finished tweaking crates.io crate rlink-core 0.1.0
[INFO] tweaked toml for crates.io crate rlink-core 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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] dc23e68a8546ee91c5fc4cd99846d0c1bd5cc616f17ae1dddbb3f8a3a8a76018
[INFO] running `Command { std: "docker" "start" "-a" "dc23e68a8546ee91c5fc4cd99846d0c1bd5cc616f17ae1dddbb3f8a3a8a76018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc23e68a8546ee91c5fc4cd99846d0c1bd5cc616f17ae1dddbb3f8a3a8a76018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc23e68a8546ee91c5fc4cd99846d0c1bd5cc616f17ae1dddbb3f8a3a8a76018", kill_on_drop: false }`
[INFO] [stdout] dc23e68a8546ee91c5fc4cd99846d0c1bd5cc616f17ae1dddbb3f8a3a8a76018
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--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] d50bab975d9c067249efd6d146e58a5b3f19d1593eae1b86dea2dba3c5fe6f2d
[INFO] running `Command { std: "docker" "start" "-a" "d50bab975d9c067249efd6d146e58a5b3f19d1593eae1b86dea2dba3c5fe6f2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
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[INFO] [stderr]     Checking time-macros v0.1.1
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[INFO] [stderr]     Checking actix-utils v2.0.0
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[INFO] [stderr]     Checking actix-testing v1.0.1
[INFO] [stderr]     Checking trust-dns-resolver v0.19.7
[INFO] [stderr]     Checking actix-connect v2.0.0
[INFO] [stderr]     Checking actix-http v2.2.0
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking awc v2.0.3
[INFO] [stderr]     Checking actix-web v3.3.2
[INFO] [stderr]     Checking metrics-exporter-http v0.3.0
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[INFO] [stderr]     Checking rlink-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0603]: module `export` is private
[INFO] [stdout]    --> src/runtime/mod.rs:6:12
[INFO] [stdout]     |
[INFO] [stdout] 6   | use serde::export::Formatter;
[INFO] [stdout]     |            ^^^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `export` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.125/src/lib.rs:275:5
[INFO] [stdout]     |
[INFO] [stdout] 275 | use self::__private as export;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `export` is private
[INFO] [stdout]    --> src/runtime/mod.rs:6:12
[INFO] [stdout]     |
[INFO] [stdout] 6   | use serde::export::Formatter;
[INFO] [stdout]     |            ^^^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `export` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.125/src/lib.rs:275:5
[INFO] [stdout]     |
[INFO] [stdout] 275 | use self::__private as export;
[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 E0603`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rlink-core`
[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 E0603`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d50bab975d9c067249efd6d146e58a5b3f19d1593eae1b86dea2dba3c5fe6f2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d50bab975d9c067249efd6d146e58a5b3f19d1593eae1b86dea2dba3c5fe6f2d", kill_on_drop: false }`
[INFO] [stdout] d50bab975d9c067249efd6d146e58a5b3f19d1593eae1b86dea2dba3c5fe6f2d