[INFO] fetching crate readings-probe 0.1.2...
[INFO] checking readings-probe-0.1.2 against try#ff044a3d65d25a17c3e14c1530004e1540179ba7 for pr-78338
[INFO] extracting crate readings-probe 0.1.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate readings-probe 0.1.2 on toolchain ff044a3d65d25a17c3e14c1530004e1540179ba7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate readings-probe 0.1.2
[INFO] finished tweaking crates.io crate readings-probe 0.1.2
[INFO] tweaked toml for crates.io crate readings-probe 0.1.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate readings-probe 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d6e8b24e93338c3ec0c78e92bddc7b8bbb9ba21dccb571581145c8881337487
[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" "4d6e8b24e93338c3ec0c78e92bddc7b8bbb9ba21dccb571581145c8881337487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d6e8b24e93338c3ec0c78e92bddc7b8bbb9ba21dccb571581145c8881337487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d6e8b24e93338c3ec0c78e92bddc7b8bbb9ba21dccb571581145c8881337487", kill_on_drop: false }`
[INFO] [stdout] 4d6e8b24e93338c3ec0c78e92bddc7b8bbb9ba21dccb571581145c8881337487
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdcdb4ea2e4e0f57531d3b70e2cdf7eb3efcc2dfa21d57e5863ad9eb2a58d3b9
[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" "bdcdb4ea2e4e0f57531d3b70e2cdf7eb3efcc2dfa21d57e5863ad9eb2a58d3b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.14
[INFO] [stderr]     Checking thiserror v1.0.14
[INFO] [stderr]     Checking readings-probe v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.13s
[INFO] running `Command { std: "docker" "inspect" "bdcdb4ea2e4e0f57531d3b70e2cdf7eb3efcc2dfa21d57e5863ad9eb2a58d3b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdcdb4ea2e4e0f57531d3b70e2cdf7eb3efcc2dfa21d57e5863ad9eb2a58d3b9", kill_on_drop: false }`
[INFO] [stdout] bdcdb4ea2e4e0f57531d3b70e2cdf7eb3efcc2dfa21d57e5863ad9eb2a58d3b9