[INFO] fetching crate zbx_sender 0.2.2...
[INFO] checking zbx_sender-0.2.2 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate zbx_sender 0.2.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate zbx_sender 0.2.2 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zbx_sender 0.2.2
[INFO] finished tweaking crates.io crate zbx_sender 0.2.2
[INFO] tweaked toml for crates.io crate zbx_sender 0.2.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate zbx_sender 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded addr2line v0.13.0
[INFO] [stderr]   Downloaded synstructure v0.12.4
[INFO] [stderr]   Downloaded gimli v0.22.0
[INFO] [stderr]   Downloaded miniz_oxide v0.4.2
[INFO] [stderr]   Downloaded itoa v0.4.6
[INFO] [stderr]   Downloaded quote v1.0.7
[INFO] [stderr]   Downloaded serde_derive v1.0.116
[INFO] [stderr]   Downloaded serde v1.0.116
[INFO] [stderr]   Downloaded backtrace v0.3.50
[INFO] [stderr]   Downloaded regex-syntax v0.6.18
[INFO] [stderr]   Downloaded regex v1.3.9
[INFO] [stderr]   Downloaded libc v0.2.77
[INFO] [stderr]   Downloaded aho-corasick v0.7.13
[INFO] [stderr]   Downloaded syn v1.0.41
[INFO] [stderr]   Downloaded failure v0.1.8
[INFO] [stderr]   Downloaded proc-macro2 v1.0.21
[INFO] [stderr]   Downloaded adler v0.2.3
[INFO] [stderr]   Downloaded failure_derive v0.1.8
[INFO] [stderr]   Downloaded serde_json v1.0.57
[INFO] [stderr]   Downloaded object v0.20.0
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d46cfae0d4b2280d884dc0ab9d193f15dccba97b5ada1bcc9dfb57c2d392f710
[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" "d46cfae0d4b2280d884dc0ab9d193f15dccba97b5ada1bcc9dfb57c2d392f710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d46cfae0d4b2280d884dc0ab9d193f15dccba97b5ada1bcc9dfb57c2d392f710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d46cfae0d4b2280d884dc0ab9d193f15dccba97b5ada1bcc9dfb57c2d392f710", kill_on_drop: false }`
[INFO] [stdout] d46cfae0d4b2280d884dc0ab9d193f15dccba97b5ada1bcc9dfb57c2d392f710
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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] 0e585561a360c453bddcec553091660196a9c95fffc3f9c91ef991e08341d539
[INFO] running `Command { std: "docker" "start" "-a" "0e585561a360c453bddcec553091660196a9c95fffc3f9c91ef991e08341d539", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking zbx_sender v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.42s
[INFO] running `Command { std: "docker" "inspect" "0e585561a360c453bddcec553091660196a9c95fffc3f9c91ef991e08341d539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e585561a360c453bddcec553091660196a9c95fffc3f9c91ef991e08341d539", kill_on_drop: false }`
[INFO] [stdout] 0e585561a360c453bddcec553091660196a9c95fffc3f9c91ef991e08341d539