[INFO] fetching crate python_comm 0.2.7...
[INFO] checking python_comm-0.2.7 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate python_comm 0.2.7 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate python_comm 0.2.7 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 python_comm 0.2.7
[INFO] finished tweaking crates.io crate python_comm 0.2.7
[INFO] tweaked toml for crates.io crate python_comm 0.2.7 written to /workspace/builds/worker-8/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] 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 num-format v0.4.0
[INFO] [stderr]   Downloaded nix v0.20.2
[INFO] [stderr]   Downloaded str_stack v0.1.0
[INFO] [stderr]   Downloaded inferno v0.10.8
[INFO] [stderr]   Downloaded quick-xml v0.22.0
[INFO] [stderr]   Downloaded symbolic-demangle v8.5.0
[INFO] [stderr]   Downloaded cpp_demangle v0.3.4
[INFO] [stderr]   Downloaded symbolic-common v8.5.0
[INFO] [stderr]   Downloaded debugid v0.7.2
[INFO] [stderr]   Downloaded pprof v0.5.1
[INFO] [stderr]   Downloaded rust_decimal_macros v1.12.4
[INFO] [stderr]   Downloaded python_comm_macros v0.2.6
[INFO] [stderr]   Downloaded rust_decimal v1.12.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 80f66090c20c08bb46e0f719a89883850fc3cc312ef569204eb4e259df4465ab
[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" "80f66090c20c08bb46e0f719a89883850fc3cc312ef569204eb4e259df4465ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80f66090c20c08bb46e0f719a89883850fc3cc312ef569204eb4e259df4465ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80f66090c20c08bb46e0f719a89883850fc3cc312ef569204eb4e259df4465ab", kill_on_drop: false }`
[INFO] [stdout] 80f66090c20c08bb46e0f719a89883850fc3cc312ef569204eb4e259df4465ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 215bc34e02e4e02a0cd11f76839734f55730e60a5fbfaba18761f174b75b33eb
[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" "215bc34e02e4e02a0cd11f76839734f55730e60a5fbfaba18761f174b75b33eb", 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] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking str_stack v0.1.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling mysql v20.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling io-enum v0.2.6
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling openssl-sys v0.9.71
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking debugid v0.7.2
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking cpp_demangle v0.3.4
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking num-format v0.4.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking nix v0.20.2
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking lexical v5.2.2
[INFO] [stderr]     Checking symbolic-common v8.5.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking symbolic-demangle v8.5.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking pem v0.8.3
[INFO] [stderr]     Checking lru v0.6.6
[INFO] [stderr]     Checking twox-hash v1.6.1
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling derive_utils v0.11.2
[INFO] [stderr]     Checking inferno v0.10.8
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking pprof v0.5.1
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking rust_decimal v1.12.4
[INFO] [stderr]     Checking bigdecimal v0.1.2
[INFO] [stderr]     Checking serde_json v1.0.72
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling rust_decimal_macros v1.12.4
[INFO] [stderr]     Checking mysql_common v0.24.1
[INFO] [stderr]    Compiling python_comm_macros v0.2.6
[INFO] [stderr]     Checking python_comm v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 57s
[INFO] running `Command { std: "docker" "inspect" "215bc34e02e4e02a0cd11f76839734f55730e60a5fbfaba18761f174b75b33eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "215bc34e02e4e02a0cd11f76839734f55730e60a5fbfaba18761f174b75b33eb", kill_on_drop: false }`
[INFO] [stdout] 215bc34e02e4e02a0cd11f76839734f55730e60a5fbfaba18761f174b75b33eb