[INFO] updating cached repository https://github.com/gandro/cargo-rumpbake
[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] 7c01766991326e5e613f4c994bdcf80226b83cd8
[INFO] testing gandro/cargo-rumpbake against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgandro%2Fcargo-rumpbake" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gandro/cargo-rumpbake on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gandro/cargo-rumpbake
[INFO] finished tweaking git repo https://github.com/gandro/cargo-rumpbake
[INFO] tweaked toml for git repo https://github.com/gandro/cargo-rumpbake written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/gandro/cargo-rumpbake already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-12/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d6ea2a1d5322a79fced8f5395e279b70702133492a063aaebe8d4fe00d58148
[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" "1d6ea2a1d5322a79fced8f5395e279b70702133492a063aaebe8d4fe00d58148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d6ea2a1d5322a79fced8f5395e279b70702133492a063aaebe8d4fe00d58148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d6ea2a1d5322a79fced8f5395e279b70702133492a063aaebe8d4fe00d58148", kill_on_drop: false }`
[INFO] [stdout] 1d6ea2a1d5322a79fced8f5395e279b70702133492a063aaebe8d4fe00d58148
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d31ee3762e938f24e7f4645033107ba396788aed4a4ef882ffbb31759e69a9c
[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" "2d31ee3762e938f24e7f4645033107ba396788aed4a4ef882ffbb31759e69a9c", kill_on_drop: false }`
[INFO] [stderr] error: multiple packages link to native library `z`, but a native library can be linked only once
[INFO] [stderr] 
[INFO] [stderr] package `libz-sys v0.1.9`
[INFO] [stderr]     ... which is depended on by `libgit2-sys v0.2.20`
[INFO] [stderr]     ... which is depended on by `cargo v0.5.0`
[INFO] [stderr]     ... which is depended on by `cargo-rumpbake v0.5.0 (/opt/rustwide/workdir)`
[INFO] [stderr] links to native library `z`
[INFO] [stderr] 
[INFO] [stderr] package `libz-sys v1.0.25`
[INFO] [stderr]     ... which is depended on by `curl-sys v0.1.35`
[INFO] [stderr]     ... which is depended on by `curl v0.2.19`
[INFO] [stderr]     ... which is depended on by `cargo v0.5.0`
[INFO] [stderr]     ... which is depended on by `cargo-rumpbake v0.5.0 (/opt/rustwide/workdir)`
[INFO] [stderr] also links to native library `z`
[INFO] running `Command { std: "docker" "inspect" "2d31ee3762e938f24e7f4645033107ba396788aed4a4ef882ffbb31759e69a9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d31ee3762e938f24e7f4645033107ba396788aed4a4ef882ffbb31759e69a9c", kill_on_drop: false }`
[INFO] [stdout] 2d31ee3762e938f24e7f4645033107ba396788aed4a4ef882ffbb31759e69a9c