[INFO] updating cached repository https://github.com/dbaron/wgmeeting-github-ircbot
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/dbaron/wgmeeting-github-ircbot
[INFO] [stderr]    54d70b2..9783aab  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9783aab9b979b6925abc56aad5af3343b0f83348
[INFO] checking dbaron/wgmeeting-github-ircbot against try#5e633973aa9255a88b65a39484627bb54e6044b3 for pr-66063
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbaron%2Fwgmeeting-github-ircbot" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dbaron/wgmeeting-github-ircbot on toolchain 5e633973aa9255a88b65a39484627bb54e6044b3
[INFO] running `"/workspace/cargo-home/bin/cargo" "+5e633973aa9255a88b65a39484627bb54e6044b3" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/dbaron/wgmeeting-github-ircbot
[INFO] finished tweaking git repo https://github.com/dbaron/wgmeeting-github-ircbot
[INFO] tweaked toml for git repo https://github.com/dbaron/wgmeeting-github-ircbot written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/dbaron/wgmeeting-github-ircbot already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+5e633973aa9255a88b65a39484627bb54e6044b3" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+5e633973aa9255a88b65a39484627bb54e6044b3" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a6a9f5172f853c98e5c03cd96d23e0a0cd4990c20e41eab55e334c337cc0e1b7
[INFO] running `"docker" "start" "-a" "a6a9f5172f853c98e5c03cd96d23e0a0cd4990c20e41eab55e334c337cc0e1b7"`
[INFO] [stderr]    Compiling wgmeeting_github_ircbot v0.3.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking openssl v0.10.23
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking string v0.2.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking hyperx v0.13.2
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking h2 v0.1.22
[INFO] [stderr]     Checking tokio-mockstream v1.1.0
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]     Checking tokio v0.1.21
[INFO] [stderr]     Checking tokio-tls v0.2.1
[INFO] [stderr]     Checking hyper v0.12.29
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking irc v0.13.6
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking hubcaps v0.5.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `"docker" "inspect" "a6a9f5172f853c98e5c03cd96d23e0a0cd4990c20e41eab55e334c337cc0e1b7"`
[INFO] running `"docker" "rm" "-f" "a6a9f5172f853c98e5c03cd96d23e0a0cd4990c20e41eab55e334c337cc0e1b7"`
[INFO] [stdout] a6a9f5172f853c98e5c03cd96d23e0a0cd4990c20e41eab55e334c337cc0e1b7