[INFO] fetching crate ssh2 0.9.3...
[INFO] crate ssh2 0.9.3 is already in cache
[INFO] crate ssh2 0.9.3 is already in cache
[INFO] crate ssh2 0.9.3 is already in cache
[INFO] crate ssh2 0.9.3 is already in cache
[INFO] crate ssh2 0.9.3 is already in cache
[INFO] crate ssh2 0.9.3 is already in cache
[INFO] crate ssh2 0.9.3 is already in cache
[INFO] crate ssh2 0.9.3 is already in cache
[INFO] crate ssh2 0.9.3 is already in cache
[INFO] crate ssh2 0.9.3 is already in cache
[INFO] crate ssh2 0.9.3 is already in cache
[INFO] crate ssh2 0.9.3 is already in cache
[INFO] crate ssh2 0.9.3 is already in cache
[INFO] crate ssh2 0.9.3 is already in cache
[INFO] checking ssh2-0.9.3 against master#21de280cccb4eb02ead6bf0af40e2355a9136d6f for pr-100043
[INFO] extracting crate ssh2 0.9.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ssh2 0.9.3 on toolchain 21de280cccb4eb02ead6bf0af40e2355a9136d6f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ssh2 0.9.3
[INFO] finished tweaking crates.io crate ssh2 0.9.3
[INFO] tweaked toml for crates.io crate ssh2 0.9.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "fetch" "--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-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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff642eea8565a8f8c4b4deee669ecac3060b29173df641704039c484d18e0827
[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" "ff642eea8565a8f8c4b4deee669ecac3060b29173df641704039c484d18e0827", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff642eea8565a8f8c4b4deee669ecac3060b29173df641704039c484d18e0827", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff642eea8565a8f8c4b4deee669ecac3060b29173df641704039c484d18e0827", kill_on_drop: false }`
[INFO] [stdout] ff642eea8565a8f8c4b4deee669ecac3060b29173df641704039c484d18e0827
[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=forbid" "-e" "RUSTDOCFLAGS=--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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d522615e0864fd6936a7ffd7bdd005a70ea7f633f477d6aa87308993874142bd
[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" "d522615e0864fd6936a7ffd7bdd005a70ea7f633f477d6aa87308993874142bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling libc v0.2.127
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling openssl-sys v0.9.75
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking ssh2 v0.9.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.12s
[INFO] running `Command { std: "docker" "inspect" "d522615e0864fd6936a7ffd7bdd005a70ea7f633f477d6aa87308993874142bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d522615e0864fd6936a7ffd7bdd005a70ea7f633f477d6aa87308993874142bd", kill_on_drop: false }`
[INFO] [stdout] d522615e0864fd6936a7ffd7bdd005a70ea7f633f477d6aa87308993874142bd