[INFO] fetching crate cargo-espmonitor 0.1.0...
[INFO] checking cargo-espmonitor-0.1.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate cargo-espmonitor 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cargo-espmonitor 0.1.0 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-espmonitor 0.1.0
[INFO] finished tweaking crates.io crate cargo-espmonitor 0.1.0
[INFO] tweaked toml for crates.io crate cargo-espmonitor 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate cargo-espmonitor 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--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 espmonitor v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] 6a1a29babe350b0c91a23b1884f3c4e25bec7c3b11c75921f52cf7c921dc1424
[INFO] running `Command { std: "docker" "start" "-a" "6a1a29babe350b0c91a23b1884f3c4e25bec7c3b11c75921f52cf7c921dc1424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a1a29babe350b0c91a23b1884f3c4e25bec7c3b11c75921f52cf7c921dc1424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a1a29babe350b0c91a23b1884f3c4e25bec7c3b11c75921f52cf7c921dc1424", kill_on_drop: false }`
[INFO] [stdout] 6a1a29babe350b0c91a23b1884f3c4e25bec7c3b11c75921f52cf7c921dc1424
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTUP_TOOLCHAIN=45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "-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" "/tmp/crater-runner-fifo/jobserver-crater-fwd" "/opt/rustwide/cargo-home/bin/cargo" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b020d34ce396740bb22083add9ebd7be63da2e61b2fa02d37842fd1869dce64c
[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" "b020d34ce396740bb22083add9ebd7be63da2e61b2fa02d37842fd1869dce64c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]     Checking pico-args v0.4.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking espmonitor v0.1.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking rustc-cfg v0.4.0
[INFO] [stderr]     Checking cargo-project v0.2.4
[INFO] [stderr]     Checking cargo-espmonitor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.86s
[INFO] running `Command { std: "docker" "inspect" "b020d34ce396740bb22083add9ebd7be63da2e61b2fa02d37842fd1869dce64c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b020d34ce396740bb22083add9ebd7be63da2e61b2fa02d37842fd1869dce64c", kill_on_drop: false }`
[INFO] [stdout] b020d34ce396740bb22083add9ebd7be63da2e61b2fa02d37842fd1869dce64c