[INFO] fetching crate mkit-core 0.4.2...
[INFO] checking mkit-core-0.4.2 against e3607d549209cc9fdfe7e907123b4185210e2c2b for pr-158915
[INFO] extracting crate mkit-core 0.4.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate mkit-core 0.4.2
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mkit-core 0.4.2
[INFO] tweaked toml for crates.io crate mkit-core 0.4.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mkit-core 0.4.2 on toolchain e3607d549209cc9fdfe7e907123b4185210e2c2b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e3607d549209cc9fdfe7e907123b4185210e2c2b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mkit-core 0.4.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e3607d549209cc9fdfe7e907123b4185210e2c2b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]    --> Cargo.toml:148:1
[INFO] [stderr]     |
[INFO] [stderr] 148 | readme = "README.md"
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `mkit-core` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b253c505e75875c99cd77b562f5dde68de9fb726e258b4c1b97f105e83f4acf2
[INFO] running `Command { std: "docker" "start" "b253c505e75875c99cd77b562f5dde68de9fb726e258b4c1b97f105e83f4acf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b253c505e75875c99cd77b562f5dde68de9fb726e258b4c1b97f105e83f4acf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b253c505e75875c99cd77b562f5dde68de9fb726e258b4c1b97f105e83f4acf2" "/opt/rustwide/cargo-home/bin/cargo" "+e3607d549209cc9fdfe7e907123b4185210e2c2b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b253c505e75875c99cd77b562f5dde68de9fb726e258b4c1b97f105e83f4acf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b253c505e75875c99cd77b562f5dde68de9fb726e258b4c1b97f105e83f4acf2" "/opt/rustwide/cargo-home/bin/cargo" "+e3607d549209cc9fdfe7e907123b4185210e2c2b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]    --> Cargo.toml:148:1
[INFO] [stderr]     |
[INFO] [stderr] 148 | readme = "README.md"
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `mkit-core` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.189
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[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 07s
[INFO] running `Command { std: "docker" "inspect" "b253c505e75875c99cd77b562f5dde68de9fb726e258b4c1b97f105e83f4acf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b253c505e75875c99cd77b562f5dde68de9fb726e258b4c1b97f105e83f4acf2", kill_on_drop: false }`
[INFO] [stdout] b253c505e75875c99cd77b562f5dde68de9fb726e258b4c1b97f105e83f4acf2
