[INFO] cloning repository https://github.com/xenji/kafka-topic-analyzer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xenji/kafka-topic-analyzer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxenji%2Fkafka-topic-analyzer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxenji%2Fkafka-topic-analyzer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5666ec196df0ca7ff991e8aa8aa9314eb691b6e9
[INFO] checking xenji/kafka-topic-analyzer against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxenji%2Fkafka-topic-analyzer" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xenji/kafka-topic-analyzer on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xenji/kafka-topic-analyzer
[INFO] finished tweaking git repo https://github.com/xenji/kafka-topic-analyzer
[INFO] tweaked toml for git repo https://github.com/xenji/kafka-topic-analyzer written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/xenji/kafka-topic-analyzer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0819548dffb1b506a53221e3358bb376a997d7be87bad66c0dce12e7797ca858
[INFO] running `Command { std: "docker" "start" "-a" "0819548dffb1b506a53221e3358bb376a997d7be87bad66c0dce12e7797ca858", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0819548dffb1b506a53221e3358bb376a997d7be87bad66c0dce12e7797ca858", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0819548dffb1b506a53221e3358bb376a997d7be87bad66c0dce12e7797ca858", kill_on_drop: false }`
[INFO] [stdout] 0819548dffb1b506a53221e3358bb376a997d7be87bad66c0dce12e7797ca858
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f43bc99b6bc84cd9d5a375aaf19644030dc31b37d3e9dfbcd9486a07fa1ea3b1
[INFO] running `Command { std: "docker" "start" "-a" "f43bc99b6bc84cd9d5a375aaf19644030dc31b37d3e9dfbcd9486a07fa1ea3b1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.86
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[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking futures v0.3.12
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[INFO] [stderr]    Compiling toml v0.5.8
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[INFO] [stderr]     Checking num_enum v0.5.1
[INFO] [stderr]     Checking rdkafka v0.25.0
[INFO] [stderr]     Checking kafka-topic-analyzer v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: environment variable `USER` not defined
[INFO] [stdout]   --> src/kafka.rs:28:66
[INFO] [stdout]    |
[INFO] [stdout] 28 |             cfg.set("group.id", format!("topic-analyzer--{}-{}", env!("USER"), Uuid::new_v4()).as_str())
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `env` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: environment variable `USER` not defined
[INFO] [stdout]   --> src/kafka.rs:28:66
[INFO] [stdout]    |
[INFO] [stdout] 28 |             cfg.set("group.id", format!("topic-analyzer--{}-{}", env!("USER"), Uuid::new_v4()).as_str())
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `env` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kafka-topic-analyzer` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f43bc99b6bc84cd9d5a375aaf19644030dc31b37d3e9dfbcd9486a07fa1ea3b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f43bc99b6bc84cd9d5a375aaf19644030dc31b37d3e9dfbcd9486a07fa1ea3b1", kill_on_drop: false }`
[INFO] [stdout] f43bc99b6bc84cd9d5a375aaf19644030dc31b37d3e9dfbcd9486a07fa1ea3b1
