[INFO] fetching crate cvctl 0.1.0...
[INFO] checking cvctl-0.1.0 against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585
[INFO] extracting crate cvctl 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cvctl 0.1.0 on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cvctl 0.1.0
[INFO] finished tweaking crates.io crate cvctl 0.1.0
[INFO] tweaked toml for crates.io crate cvctl 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parity-wasm v0.27.6
[INFO] [stderr]   Downloaded wasm-core v0.2.15
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64102f1141ef027cf72b0f39e58f4e9c998a3688a59d01e5cd8d30486a3bdf3c
[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" "64102f1141ef027cf72b0f39e58f4e9c998a3688a59d01e5cd8d30486a3bdf3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64102f1141ef027cf72b0f39e58f4e9c998a3688a59d01e5cd8d30486a3bdf3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64102f1141ef027cf72b0f39e58f4e9c998a3688a59d01e5cd8d30486a3bdf3c", kill_on_drop: false }`
[INFO] [stdout] 64102f1141ef027cf72b0f39e58f4e9c998a3688a59d01e5cd8d30486a3bdf3c
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a51495fb42fd7861d1bdd03c221ed6a23980f0915ea44ac09df02ebe66ecabbe
[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" "a51495fb42fd7861d1bdd03c221ed6a23980f0915ea44ac09df02ebe66ecabbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]     Checking parity-wasm v0.27.6
[INFO] [stderr]     Checking wasm-core v0.2.15
[INFO] [stderr]     Checking cvctl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.61s
[INFO] running `Command { std: "docker" "inspect" "a51495fb42fd7861d1bdd03c221ed6a23980f0915ea44ac09df02ebe66ecabbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a51495fb42fd7861d1bdd03c221ed6a23980f0915ea44ac09df02ebe66ecabbe", kill_on_drop: false }`
[INFO] [stdout] a51495fb42fd7861d1bdd03c221ed6a23980f0915ea44ac09df02ebe66ecabbe