[INFO] cloning repository https://github.com/sirkibsirkib/serde_varint
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sirkibsirkib/serde_varint" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirkibsirkib%2Fserde_varint", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirkibsirkib%2Fserde_varint'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1dfb90b28f55773af4bd03945afa0194f58ac369
[INFO] checking sirkibsirkib/serde_varint against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirkibsirkib%2Fserde_varint" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sirkibsirkib/serde_varint on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sirkibsirkib/serde_varint
[INFO] finished tweaking git repo https://github.com/sirkibsirkib/serde_varint
[INFO] tweaked toml for git repo https://github.com/sirkibsirkib/serde_varint written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/sirkibsirkib/serde_varint already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded integer-encoding v1.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] a8341e8ae0a72dcbb23149438b348733c2fcbfe95f47e595373ad59deebb37f5
[INFO] running `Command { std: "docker" "start" "-a" "a8341e8ae0a72dcbb23149438b348733c2fcbfe95f47e595373ad59deebb37f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8341e8ae0a72dcbb23149438b348733c2fcbfe95f47e595373ad59deebb37f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8341e8ae0a72dcbb23149438b348733c2fcbfe95f47e595373ad59deebb37f5", kill_on_drop: false }`
[INFO] [stdout] a8341e8ae0a72dcbb23149438b348733c2fcbfe95f47e595373ad59deebb37f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] 9aee85b3275290c17106806fa1e102db24cbd048d51c720e8e5292bdc4d88de8
[INFO] running `Command { std: "docker" "start" "-a" "9aee85b3275290c17106806fa1e102db24cbd048d51c720e8e5292bdc4d88de8", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.69
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking integer-encoding v1.0.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]    Compiling serde_derive v1.0.69
[INFO] [stderr]     Checking bincode v1.0.1
[INFO] [stderr]     Checking serde_json v1.0.22
[INFO] [stderr]     Checking varint v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.22s
[INFO] running `Command { std: "docker" "inspect" "9aee85b3275290c17106806fa1e102db24cbd048d51c720e8e5292bdc4d88de8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aee85b3275290c17106806fa1e102db24cbd048d51c720e8e5292bdc4d88de8", kill_on_drop: false }`
[INFO] [stdout] 9aee85b3275290c17106806fa1e102db24cbd048d51c720e8e5292bdc4d88de8