[INFO] fetching crate mhz19 0.1.0...
[INFO] checking mhz19-0.1.0 against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] extracting crate mhz19 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate mhz19 0.1.0 on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mhz19 0.1.0
[INFO] finished tweaking crates.io crate mhz19 0.1.0
[INFO] tweaked toml for crates.io crate mhz19 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate mhz19 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "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] 85c7a7b4f6d707058cbdb26ac9fd7d46f66b37bfc2d2876628fd4f00ea2b35ef
[INFO] running `Command { std: "docker" "start" "-a" "85c7a7b4f6d707058cbdb26ac9fd7d46f66b37bfc2d2876628fd4f00ea2b35ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85c7a7b4f6d707058cbdb26ac9fd7d46f66b37bfc2d2876628fd4f00ea2b35ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85c7a7b4f6d707058cbdb26ac9fd7d46f66b37bfc2d2876628fd4f00ea2b35ef", kill_on_drop: false }`
[INFO] [stdout] 85c7a7b4f6d707058cbdb26ac9fd7d46f66b37bfc2d2876628fd4f00ea2b35ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] a7994de7ac27b8ab2566d1b7c2c20cca484e2ec4e28825e4e3bea3b726ff1fd6
[INFO] running `Command { std: "docker" "start" "-a" "a7994de7ac27b8ab2566d1b7c2c20cca484e2ec4e28825e4e3bea3b726ff1fd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling err-derive v0.1.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking mhz19 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.12s
[INFO] running `Command { std: "docker" "inspect" "a7994de7ac27b8ab2566d1b7c2c20cca484e2ec4e28825e4e3bea3b726ff1fd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7994de7ac27b8ab2566d1b7c2c20cca484e2ec4e28825e4e3bea3b726ff1fd6", kill_on_drop: false }`
[INFO] [stdout] a7994de7ac27b8ab2566d1b7c2c20cca484e2ec4e28825e4e3bea3b726ff1fd6