[INFO] cloning repository https://github.com/adrien-thebault/r2d2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adrien-thebault/r2d2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadrien-thebault%2Fr2d2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadrien-thebault%2Fr2d2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9698f18618304a6a5c27c3587f1d4d688ced9f1e
[INFO] checking adrien-thebault/r2d2 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadrien-thebault%2Fr2d2" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adrien-thebault/r2d2 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/adrien-thebault/r2d2
[INFO] finished tweaking git repo https://github.com/adrien-thebault/r2d2
[INFO] tweaked toml for git repo https://github.com/adrien-thebault/r2d2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/adrien-thebault/r2d2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded try-lock v0.1.0
[INFO] [stderr]   Downloaded relay v0.1.1
[INFO] [stderr]   Downloaded tokio-tls v0.1.4
[INFO] [stderr]   Downloaded serde_urlencoded v0.5.3
[INFO] [stderr]   Downloaded version_check v0.1.4
[INFO] [stderr]   Downloaded hyper-tls v0.1.4
[INFO] [stderr]   Downloaded utf-8 v0.7.4
[INFO] [stderr]   Downloaded tokio-tcp v0.1.1
[INFO] [stderr]   Downloaded uuid v0.6.5
[INFO] [stderr]   Downloaded httparse v1.3.2
[INFO] [stderr]   Downloaded lazycell v1.1.0
[INFO] [stderr]   Downloaded tokio-reactor v0.1.5
[INFO] [stderr]   Downloaded reqwest v0.8.8
[INFO] [stderr]   Downloaded tokio-executor v0.1.4
[INFO] [stderr]   Downloaded tokio-udp v0.1.2
[INFO] [stderr]   Downloaded widestring v0.2.2
[INFO] [stderr]   Downloaded actix_derive v0.3.0
[INFO] [stderr]   Downloaded ipconfig v0.1.7
[INFO] [stderr]   Downloaded lru-cache v0.1.1
[INFO] [stderr]   Downloaded lock_api v0.1.3
[INFO] [stderr]   Downloaded tokio-signal v0.2.5
[INFO] [stderr]   Downloaded trust-dns-resolver v0.9.1
[INFO] [stderr]   Downloaded fern v0.5.6
[INFO] [stderr]   Downloaded colored v1.6.1
[INFO] [stderr]   Downloaded resolv-conf v0.6.1
[INFO] [stderr]   Downloaded syn v0.15.4
[INFO] [stderr]   Downloaded backtrace v0.2.3
[INFO] [stderr]   Downloaded error-chain v0.1.12
[INFO] [stderr]   Downloaded serde_json v1.0.27
[INFO] [stderr]   Downloaded crossbeam-channel v0.2.5
[INFO] [stderr]   Downloaded crossbeam-epoch v0.6.0
[INFO] [stderr]   Downloaded error-chain v0.8.1
[INFO] [stderr]   Downloaded actix v0.7.4
[INFO] [stderr]   Downloaded proc-macro2 v0.4.19
[INFO] [stderr]   Downloaded trust-dns-proto v0.4.0
[INFO] [stderr]   Downloaded hyper v0.11.27
[INFO] [stderr]   Downloaded want v0.0.4
[INFO] [stderr]   Downloaded libflate v0.1.16
[INFO] [stderr]   Downloaded winapi v0.3.5
[INFO] [stderr]   Downloaded input_buffer v0.1.1
[INFO] [stderr]   Downloaded winreg v0.5.1
[INFO] [stderr]   Downloaded linked-hash-map v0.4.2
[INFO] [stderr]   Downloaded slack v0.21.0
[INFO] [stderr]   Downloaded mime v0.3.9
[INFO] [stderr]   Downloaded tungstenite v0.5.4
[INFO] [stderr]   Downloaded sha1 v0.4.0
[INFO] [stderr]   Downloaded slack_api v0.20.0
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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] dcfd508d304b27f8f954a340d325724a75b3066468894f82f2c4752f1deb111c
[INFO] running `Command { std: "docker" "start" "-a" "dcfd508d304b27f8f954a340d325724a75b3066468894f82f2c4752f1deb111c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcfd508d304b27f8f954a340d325724a75b3066468894f82f2c4752f1deb111c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcfd508d304b27f8f954a340d325724a75b3066468894f82f2c4752f1deb111c", kill_on_drop: false }`
[INFO] [stdout] dcfd508d304b27f8f954a340d325724a75b3066468894f82f2c4752f1deb111c
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3b72c3234012f63070a7de60cdc7ff8688eef31d6ac90d5ad135afb95010bf5
[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" "c3b72c3234012f63070a7de60cdc7ff8688eef31d6ac90d5ad135afb95010bf5", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "c3b72c3234012f63070a7de60cdc7ff8688eef31d6ac90d5ad135afb95010bf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3b72c3234012f63070a7de60cdc7ff8688eef31d6ac90d5ad135afb95010bf5", kill_on_drop: false }`
[INFO] [stdout] c3b72c3234012f63070a7de60cdc7ff8688eef31d6ac90d5ad135afb95010bf5