[INFO] fetching crate z-rs 0.1.0...
[INFO] checking z-rs-0.1.0 against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] extracting crate z-rs 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate z-rs 0.1.0 on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate z-rs 0.1.0
[INFO] finished tweaking crates.io crate z-rs 0.1.0
[INFO] tweaked toml for crates.io crate z-rs 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate z-rs 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--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 half v1.6.0
[INFO] [stderr]   Downloaded bstr v0.2.13
[INFO] [stderr]   Downloaded regex-automata v0.1.9
[INFO] [stderr]   Downloaded memchr v2.3.3
[INFO] [stderr]   Downloaded unicode-segmentation v1.6.0
[INFO] [stderr]   Downloaded argh_derive v0.1.1
[INFO] [stderr]   Downloaded argh_shared v0.1.1
[INFO] [stderr]   Downloaded syn v1.0.38
[INFO] [stderr]   Downloaded serde_derive v1.0.114
[INFO] [stderr]   Downloaded serde v1.0.114
[INFO] [stderr]   Downloaded heck v0.3.1
[INFO] [stderr]   Downloaded argh v0.1.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.19
[INFO] [stderr]   Downloaded byteorder v1.3.4
[INFO] [stderr]   Downloaded quote v1.0.7
[INFO] [stderr]   Downloaded serde_cbor v0.11.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c3a27ae6336ede9cd9d6615d9d70b7951ef271706d1aafa1533788738346d90
[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" "9c3a27ae6336ede9cd9d6615d9d70b7951ef271706d1aafa1533788738346d90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c3a27ae6336ede9cd9d6615d9d70b7951ef271706d1aafa1533788738346d90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c3a27ae6336ede9cd9d6615d9d70b7951ef271706d1aafa1533788738346d90", kill_on_drop: false }`
[INFO] [stdout] 9c3a27ae6336ede9cd9d6615d9d70b7951ef271706d1aafa1533788738346d90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7666624349c6e9aaeceaa082f3c3fb20e48a94117e8d072ca2a5b2236893d0e8
[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" "7666624349c6e9aaeceaa082f3c3fb20e48a94117e8d072ca2a5b2236893d0e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling argh_shared v0.1.1
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling argh_derive v0.1.1
[INFO] [stderr]     Checking argh v0.1.3
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking z-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.66s
[INFO] running `Command { std: "docker" "inspect" "7666624349c6e9aaeceaa082f3c3fb20e48a94117e8d072ca2a5b2236893d0e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7666624349c6e9aaeceaa082f3c3fb20e48a94117e8d072ca2a5b2236893d0e8", kill_on_drop: false }`
[INFO] [stdout] 7666624349c6e9aaeceaa082f3c3fb20e48a94117e8d072ca2a5b2236893d0e8