[INFO] fetching crate tcpserver 0.3.10...
[INFO] checking tcpserver-0.3.10 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate tcpserver 0.3.10 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate tcpserver 0.3.10 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tcpserver 0.3.10
[INFO] finished tweaking crates.io crate tcpserver 0.3.10
[INFO] tweaked toml for crates.io crate tcpserver 0.3.10 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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 futures-micro v0.3.1
[INFO] [stderr]   Downloaded async-oneshot v0.4.2
[INFO] [stderr]   Downloaded aqueue_trait v0.1.0
[INFO] [stderr]   Downloaded aqueue v0.3.2
[INFO] [stderr]   Downloaded data-rw v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93dc15c2ab693aac1276c931424426fadd34b70572dc4ea296c5c33ea8c734ee
[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" "93dc15c2ab693aac1276c931424426fadd34b70572dc4ea296c5c33ea8c734ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93dc15c2ab693aac1276c931424426fadd34b70572dc4ea296c5c33ea8c734ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93dc15c2ab693aac1276c931424426fadd34b70572dc4ea296c5c33ea8c734ee", kill_on_drop: false }`
[INFO] [stdout] 93dc15c2ab693aac1276c931424426fadd34b70572dc4ea296c5c33ea8c734ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2175a48c07613008bb80bdf52eacb8f2cdb2e751484cb1732f389575bfa28642
[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" "2175a48c07613008bb80bdf52eacb8f2cdb2e751484cb1732f389575bfa28642", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking futures-micro v0.3.1
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking bytes v0.6.0
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]     Checking mio v0.7.9
[INFO] [stderr]     Checking async-oneshot v0.4.2
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking data-rw v0.2.4
[INFO] [stderr]    Compiling aqueue_trait v0.1.0
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]     Checking aqueue v0.3.2
[INFO] [stderr]     Checking tcpserver v0.3.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.67s
[INFO] running `Command { std: "docker" "inspect" "2175a48c07613008bb80bdf52eacb8f2cdb2e751484cb1732f389575bfa28642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2175a48c07613008bb80bdf52eacb8f2cdb2e751484cb1732f389575bfa28642", kill_on_drop: false }`
[INFO] [stdout] 2175a48c07613008bb80bdf52eacb8f2cdb2e751484cb1732f389575bfa28642