[INFO] fetching crate pgn-reader 0.15.0...
[INFO] checking pgn-reader-0.15.0 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate pgn-reader 0.15.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate pgn-reader 0.15.0 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pgn-reader 0.15.0
[INFO] finished tweaking crates.io crate pgn-reader 0.15.0
[INFO] tweaked toml for crates.io crate pgn-reader 0.15.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate pgn-reader 0.15.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lzma-sys v0.1.14
[INFO] [stderr]   Downloaded btoi v0.4.1
[INFO] [stderr]   Downloaded shakmaty v0.15.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3829b9e2a0b6bdc3d10189d352d9addeb7e4929300243c702e4115a7383eac82
[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" "3829b9e2a0b6bdc3d10189d352d9addeb7e4929300243c702e4115a7383eac82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3829b9e2a0b6bdc3d10189d352d9addeb7e4929300243c702e4115a7383eac82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3829b9e2a0b6bdc3d10189d352d9addeb7e4929300243c702e4115a7383eac82", kill_on_drop: false }`
[INFO] [stdout] 3829b9e2a0b6bdc3d10189d352d9addeb7e4929300243c702e4115a7383eac82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 383d363ea01a85e7a1773d2dd1dc2cad805fa995d37521b5c6f06d352e1e59ab
[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" "383d363ea01a85e7a1773d2dd1dc2cad805fa995d37521b5c6f06d352e1e59ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling syn v0.15.43
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling lz4-sys v1.8.3
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling shakmaty v0.15.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling lzma-sys v0.1.14
[INFO] [stderr]     Checking slice-deque v0.2.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling backtrace v0.3.34
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking flate2 v1.0.9
[INFO] [stderr]     Checking btoi v0.4.1
[INFO] [stderr]     Checking xz2 v0.1.6
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking pgn-reader v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]     Checking crossbeam v0.7.2
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling lz4 v1.23.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `Command { std: "docker" "inspect" "383d363ea01a85e7a1773d2dd1dc2cad805fa995d37521b5c6f06d352e1e59ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "383d363ea01a85e7a1773d2dd1dc2cad805fa995d37521b5c6f06d352e1e59ab", kill_on_drop: false }`
[INFO] [stdout] 383d363ea01a85e7a1773d2dd1dc2cad805fa995d37521b5c6f06d352e1e59ab