[INFO] fetching crate pwner 0.1.5...
[INFO] checking pwner-0.1.5 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate pwner 0.1.5 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate pwner 0.1.5 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pwner 0.1.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate pwner 0.1.5
[INFO] tweaked toml for crates.io crate pwner 0.1.5 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate pwner 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ddfa4b8b80eb3c11f5454cd902c164b6d059d013be1ee07755013c047d364df6
[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" "ddfa4b8b80eb3c11f5454cd902c164b6d059d013be1ee07755013c047d364df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddfa4b8b80eb3c11f5454cd902c164b6d059d013be1ee07755013c047d364df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddfa4b8b80eb3c11f5454cd902c164b6d059d013be1ee07755013c047d364df6", kill_on_drop: false }`
[INFO] [stdout] ddfa4b8b80eb3c11f5454cd902c164b6d059d013be1ee07755013c047d364df6
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 1c59850b4882dca8fdd0bf15b5971fa5efde3d08db2135303c9cebbea19ac553
[INFO] running `Command { std: "docker" "start" "-a" "1c59850b4882dca8fdd0bf15b5971fa5efde3d08db2135303c9cebbea19ac553", kill_on_drop: false }`
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling tokio v0.3.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]     Checking crossbeam-queue v0.3.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking nix v0.19.0
[INFO] [stderr]     Checking crossbeam v0.8.0
[INFO] [stderr]     Checking pwner v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-macros v0.3.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.66s
[INFO] running `Command { std: "docker" "inspect" "1c59850b4882dca8fdd0bf15b5971fa5efde3d08db2135303c9cebbea19ac553", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c59850b4882dca8fdd0bf15b5971fa5efde3d08db2135303c9cebbea19ac553", kill_on_drop: false }`
[INFO] [stdout] 1c59850b4882dca8fdd0bf15b5971fa5efde3d08db2135303c9cebbea19ac553