[INFO] fetching crate ppserver 0.2.2...
[INFO] checking ppserver-0.2.2 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate ppserver 0.2.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ppserver 0.2.2 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 ppserver 0.2.2
[INFO] finished tweaking crates.io crate ppserver 0.2.2
[INFO] tweaked toml for crates.io crate ppserver 0.2.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate ppserver 0.2.2 already has a lockfile, it will not be regenerated
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 240feb2538e1533a2b8c934acf43690a0694f3142290e07e64ac9314c4e10df9
[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" "240feb2538e1533a2b8c934acf43690a0694f3142290e07e64ac9314c4e10df9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "240feb2538e1533a2b8c934acf43690a0694f3142290e07e64ac9314c4e10df9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "240feb2538e1533a2b8c934acf43690a0694f3142290e07e64ac9314c4e10df9", kill_on_drop: false }`
[INFO] [stdout] 240feb2538e1533a2b8c934acf43690a0694f3142290e07e64ac9314c4e10df9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] f319b7bf60ec03b5f785d9f3e787b8e8ec084c26486cb03eacd12bc5e37b14dd
[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" "f319b7bf60ec03b5f785d9f3e787b8e8ec084c26486cb03eacd12bc5e37b14dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]    Compiling standback v0.2.10
[INFO] [stderr]    Compiling time v0.2.17
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking myutil v0.2.4
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking ppcore_def v0.2.2
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking ppserver_def v0.2.2
[INFO] [stderr]     Checking ppcore v0.2.2
[INFO] [stderr]     Checking ppserver v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "f319b7bf60ec03b5f785d9f3e787b8e8ec084c26486cb03eacd12bc5e37b14dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f319b7bf60ec03b5f785d9f3e787b8e8ec084c26486cb03eacd12bc5e37b14dd", kill_on_drop: false }`
[INFO] [stdout] f319b7bf60ec03b5f785d9f3e787b8e8ec084c26486cb03eacd12bc5e37b14dd