[INFO] fetching crate mylogger_handlers 0.2.3...
[INFO] checking mylogger_handlers-0.2.3 against master#339e19697a39a78f4d669c217b7d21109215de41 for pr-81213
[INFO] extracting crate mylogger_handlers 0.2.3 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate mylogger_handlers 0.2.3 on toolchain 339e19697a39a78f4d669c217b7d21109215de41
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mylogger_handlers 0.2.3
[INFO] finished tweaking crates.io crate mylogger_handlers 0.2.3
[INFO] tweaked toml for crates.io crate mylogger_handlers 0.2.3 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sentry-types v0.19.1
[INFO] [stderr]   Downloaded mylogger v0.2.5
[INFO] [stderr]   Downloaded sentry-core v0.19.1
[INFO] [stderr]   Downloaded sentry-failure v0.19.1
[INFO] [stderr]   Downloaded sentry-log v0.19.1
[INFO] [stderr]   Downloaded sentry v0.19.1
[INFO] [stderr]   Downloaded sentry-backtrace v0.19.1
[INFO] [stderr]   Downloaded sentry-panic v0.19.1
[INFO] [stderr]   Downloaded sentry-error-chain v0.19.1
[INFO] [stderr]   Downloaded sentry-contexts v0.19.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ba305ad13528c92d4dc6aec0191837b4225f893ef4afa07c29288a47ee1c90a
[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" "0ba305ad13528c92d4dc6aec0191837b4225f893ef4afa07c29288a47ee1c90a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ba305ad13528c92d4dc6aec0191837b4225f893ef4afa07c29288a47ee1c90a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ba305ad13528c92d4dc6aec0191837b4225f893ef4afa07c29288a47ee1c90a", kill_on_drop: false }`
[INFO] [stdout] 0ba305ad13528c92d4dc6aec0191837b4225f893ef4afa07c29288a47ee1c90a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 393e8b7982112baaf795f113afea1eb2802b20bafea2cfaf438aaaa2a8ed32e2
[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" "393e8b7982112baaf795f113afea1eb2802b20bafea2cfaf438aaaa2a8ed32e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling syn v1.0.59
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking mylogger v0.2.5
[INFO] [stderr]     Checking mylogger_handlers v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.69s
[INFO] running `Command { std: "docker" "inspect" "393e8b7982112baaf795f113afea1eb2802b20bafea2cfaf438aaaa2a8ed32e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "393e8b7982112baaf795f113afea1eb2802b20bafea2cfaf438aaaa2a8ed32e2", kill_on_drop: false }`
[INFO] [stdout] 393e8b7982112baaf795f113afea1eb2802b20bafea2cfaf438aaaa2a8ed32e2