[INFO] fetching crate econf 0.1.2...
[INFO] checking econf-0.1.2 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate econf 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate econf 0.1.2 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate econf 0.1.2
[INFO] finished tweaking crates.io crate econf 0.1.2
[INFO] tweaked toml for crates.io crate econf 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate econf 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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] 526689cc44bb23c836bb7ce7cadfd8e9de3d2ab1cc978c7b7f7d134c88396a33
[INFO] running `Command { std: "docker" "start" "-a" "526689cc44bb23c836bb7ce7cadfd8e9de3d2ab1cc978c7b7f7d134c88396a33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "526689cc44bb23c836bb7ce7cadfd8e9de3d2ab1cc978c7b7f7d134c88396a33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "526689cc44bb23c836bb7ce7cadfd8e9de3d2ab1cc978c7b7f7d134c88396a33", kill_on_drop: false }`
[INFO] [stdout] 526689cc44bb23c836bb7ce7cadfd8e9de3d2ab1cc978c7b7f7d134c88396a33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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] 758093851d851f825db9ba15c544f94139ac6d72eab9ee2c71d3af7d74ef4927
[INFO] running `Command { std: "docker" "start" "-a" "758093851d851f825db9ba15c544f94139ac6d72eab9ee2c71d3af7d74ef4927", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling econf-derive v0.1.2
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking simple_logger v0.5.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking parse_duration v1.0.3
[INFO] [stderr]     Checking serde_yaml v0.8.15
[INFO] [stderr]     Checking econf v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.03s
[INFO] running `Command { std: "docker" "inspect" "758093851d851f825db9ba15c544f94139ac6d72eab9ee2c71d3af7d74ef4927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "758093851d851f825db9ba15c544f94139ac6d72eab9ee2c71d3af7d74ef4927", kill_on_drop: false }`
[INFO] [stdout] 758093851d851f825db9ba15c544f94139ac6d72eab9ee2c71d3af7d74ef4927