[INFO] updating cached repository https://github.com/tkrs/rust-redis-pubsub-example
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6031085b5f870c8816102e8f8096af98b744d14b
[INFO] checking tkrs/rust-redis-pubsub-example against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftkrs%2Frust-redis-pubsub-example" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tkrs/rust-redis-pubsub-example on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tkrs/rust-redis-pubsub-example
[INFO] finished tweaking git repo https://github.com/tkrs/rust-redis-pubsub-example
[INFO] tweaked toml for git repo https://github.com/tkrs/rust-redis-pubsub-example written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/tkrs/rust-redis-pubsub-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "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] b57b07b99b8b848795e985a356ed27b85da360095dbe543f8e5ed86eae7b16bd
[INFO] running `Command { std: "docker" "start" "-a" "b57b07b99b8b848795e985a356ed27b85da360095dbe543f8e5ed86eae7b16bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b57b07b99b8b848795e985a356ed27b85da360095dbe543f8e5ed86eae7b16bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b57b07b99b8b848795e985a356ed27b85da360095dbe543f8e5ed86eae7b16bd", kill_on_drop: false }`
[INFO] [stdout] b57b07b99b8b848795e985a356ed27b85da360095dbe543f8e5ed86eae7b16bd
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "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] 809936112b9dca4db3c1b70c5f71f4684e7d0be5ec32cad51039ec82ccc6c6ec
[INFO] running `Command { std: "docker" "start" "-a" "809936112b9dca4db3c1b70c5f71f4684e7d0be5ec32cad51039ec82ccc6c6ec", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]     Checking byteorder v1.2.4
[INFO] [stderr]     Checking futures v0.1.23
[INFO] [stderr]     Checking matches v0.1.7
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling redis v0.9.0
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking sha1 v0.2.0
[INFO] [stderr]     Checking log v0.4.3
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking bytes v0.4.9
[INFO] [stderr]     Checking combine v3.5.1
[INFO] [stderr]     Checking mio v0.6.15
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking tokio-io v0.1.7
[INFO] [stderr]     Checking tokio-executor v0.1.3
[INFO] [stderr]     Checking tokio-reactor v0.1.3
[INFO] [stderr]     Checking tokio-codec v0.1.0
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]     Checking tokio-tcp v0.1.1
[INFO] [stderr]     Checking rust-redis-pubsub-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.57s
[INFO] running `Command { std: "docker" "inspect" "809936112b9dca4db3c1b70c5f71f4684e7d0be5ec32cad51039ec82ccc6c6ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "809936112b9dca4db3c1b70c5f71f4684e7d0be5ec32cad51039ec82ccc6c6ec", kill_on_drop: false }`
[INFO] [stdout] 809936112b9dca4db3c1b70c5f71f4684e7d0be5ec32cad51039ec82ccc6c6ec