[INFO] fetching crate rustygear 0.8.0...
[INFO] checking rustygear-0.8.0 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate rustygear 0.8.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rustygear 0.8.0 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 rustygear 0.8.0
[INFO] finished tweaking crates.io crate rustygear 0.8.0
[INFO] tweaked toml for crates.io crate rustygear 0.8.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate rustygear 0.8.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 33d64827486adc2731a715c90a20a152a441a34292ba7ee571ee24097b692f05
[INFO] running `Command { std: "docker" "start" "-a" "33d64827486adc2731a715c90a20a152a441a34292ba7ee571ee24097b692f05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33d64827486adc2731a715c90a20a152a441a34292ba7ee571ee24097b692f05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33d64827486adc2731a715c90a20a152a441a34292ba7ee571ee24097b692f05", kill_on_drop: false }`
[INFO] [stdout] 33d64827486adc2731a715c90a20a152a441a34292ba7ee571ee24097b692f05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 1e999ebf64894bfb8a6e2ddbe9ff7ec56fa0381622af2f9eeee35703da90b25a
[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" "1e999ebf64894bfb8a6e2ddbe9ff7ec56fa0381622af2f9eeee35703da90b25a", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking hash_ring v0.1.7
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tokio v0.2.20
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking rustygear v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.52s
[INFO] running `Command { std: "docker" "inspect" "1e999ebf64894bfb8a6e2ddbe9ff7ec56fa0381622af2f9eeee35703da90b25a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e999ebf64894bfb8a6e2ddbe9ff7ec56fa0381622af2f9eeee35703da90b25a", kill_on_drop: false }`
[INFO] [stdout] 1e999ebf64894bfb8a6e2ddbe9ff7ec56fa0381622af2f9eeee35703da90b25a