[INFO] fetching crate git-box 0.2.0...
[INFO] testing git-box-0.2.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate git-box 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate git-box 0.2.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate git-box 0.2.0
[INFO] finished tweaking crates.io crate git-box 0.2.0
[INFO] tweaked toml for crates.io crate git-box 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rusqlite v0.6.1
[INFO] [stderr]   Downloaded mysql v1.2.1
[INFO] [stderr]   Downloaded postgres v0.11.12
[INFO] [stderr]   Downloaded sha1 v0.1.1
[INFO] [stderr]   Downloaded warheadhateus v0.2.1
[INFO] [stderr]   Downloaded ssh2 v0.2.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-08-01" "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] 0b44730d2c22e4a827da44e343353fbcdbde702a3e5e28b069102d92697e8fee
[INFO] running `Command { std: "docker" "start" "-a" "0b44730d2c22e4a827da44e343353fbcdbde702a3e5e28b069102d92697e8fee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b44730d2c22e4a827da44e343353fbcdbde702a3e5e28b069102d92697e8fee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b44730d2c22e4a827da44e343353fbcdbde702a3e5e28b069102d92697e8fee", kill_on_drop: false }`
[INFO] [stdout] 0b44730d2c22e4a827da44e343353fbcdbde702a3e5e28b069102d92697e8fee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19d9f7fe7e7f6fc18c68ce4aeeb20430e8dc6a5c61d3073de698d379d394797c
[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" "19d9f7fe7e7f6fc18c68ce4aeeb20430e8dc6a5c61d3073de698d379d394797c", kill_on_drop: false }`
[INFO] [stderr] error: multiple packages link to native library `ssh2`, but a native library can be linked only once
[INFO] [stderr] 
[INFO] [stderr] package `libssh2-sys v0.1.41`
[INFO] [stderr]     ... which is depended on by `ssh2 v0.2.15`
[INFO] [stderr]     ... which is depended on by `git-box v0.2.0 (/opt/rustwide/workdir)`
[INFO] [stderr] links to native library `ssh2`
[INFO] [stderr] 
[INFO] [stderr] package `libssh2-sys v0.2.21`
[INFO] [stderr]     ... which is depended on by `libgit2-sys v0.3.12`
[INFO] [stderr]     ... which is depended on by `git2 v0.3.4`
[INFO] [stderr]     ... which is depended on by `git-box v0.2.0 (/opt/rustwide/workdir)`
[INFO] [stderr] also links to native library `ssh2`
[INFO] running `Command { std: "docker" "inspect" "19d9f7fe7e7f6fc18c68ce4aeeb20430e8dc6a5c61d3073de698d379d394797c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19d9f7fe7e7f6fc18c68ce4aeeb20430e8dc6a5c61d3073de698d379d394797c", kill_on_drop: false }`
[INFO] [stdout] 19d9f7fe7e7f6fc18c68ce4aeeb20430e8dc6a5c61d3073de698d379d394797c
