[INFO] crate core_extensions 0.1.17 is already in cache
[INFO] checking core_extensions-0.1.17 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate core_extensions 0.1.17 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate core_extensions 0.1.17 on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate core_extensions 0.1.17
[INFO] finished tweaking crates.io crate core_extensions 0.1.17
[INFO] tweaked toml for crates.io crate core_extensions 0.1.17 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 526e83f364777832e8a021e24b060096437b2d1252d1443023a5fa39004f1c0d
[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" "526e83f364777832e8a021e24b060096437b2d1252d1443023a5fa39004f1c0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "526e83f364777832e8a021e24b060096437b2d1252d1443023a5fa39004f1c0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "526e83f364777832e8a021e24b060096437b2d1252d1443023a5fa39004f1c0d", kill_on_drop: false }`
[INFO] [stdout] 526e83f364777832e8a021e24b060096437b2d1252d1443023a5fa39004f1c0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "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] af472b82629086117197d562794286abafe7b2ab20421cee93081c3fe852c2af
[INFO] running `Command { std: "docker" "start" "-a" "af472b82629086117197d562794286abafe7b2ab20421cee93081c3fe852c2af", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling core_extensions v0.1.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling rand_derive v0.3.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.12s
[INFO] running `Command { std: "docker" "inspect" "af472b82629086117197d562794286abafe7b2ab20421cee93081c3fe852c2af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af472b82629086117197d562794286abafe7b2ab20421cee93081c3fe852c2af", kill_on_drop: false }`
[INFO] [stdout] af472b82629086117197d562794286abafe7b2ab20421cee93081c3fe852c2af