[INFO] crate yolk 0.6.0 is already in cache
[INFO] checking yolk-0.6.0 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate yolk 0.6.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate yolk 0.6.0 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 yolk 0.6.0
[INFO] finished tweaking crates.io crate yolk 0.6.0
[INFO] tweaked toml for crates.io crate yolk 0.6.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate yolk 0.6.0 already has a lockfile, it will not be regenerated
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 094b236f6b5a4d803a2f64f1fc4d7c7f61232eca9591078c5221fa4db2cff024
[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" "094b236f6b5a4d803a2f64f1fc4d7c7f61232eca9591078c5221fa4db2cff024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "094b236f6b5a4d803a2f64f1fc4d7c7f61232eca9591078c5221fa4db2cff024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "094b236f6b5a4d803a2f64f1fc4d7c7f61232eca9591078c5221fa4db2cff024", kill_on_drop: false }`
[INFO] [stdout] 094b236f6b5a4d803a2f64f1fc4d7c7f61232eca9591078c5221fa4db2cff024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 3558796a1a19a2d9b1d4ad8a7d28d6de35f9d7db8bbd140e0d26b84f4ac4aa09
[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" "3558796a1a19a2d9b1d4ad8a7d28d6de35f9d7db8bbd140e0d26b84f4ac4aa09", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]     Checking regex-syntax v0.6.11
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling pest v2.1.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]     Checking backtrace v0.3.35
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]     Checking regex v1.2.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking yolol_number v0.7.0
[INFO] [stderr]     Checking yolol_number v0.6.2
[INFO] [stderr]     Checking cylon_ast v0.3.2
[INFO] [stderr]     Checking yoloxide v0.4.3
[INFO] [stderr]     Checking yolk v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.39s
[INFO] running `Command { std: "docker" "inspect" "3558796a1a19a2d9b1d4ad8a7d28d6de35f9d7db8bbd140e0d26b84f4ac4aa09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3558796a1a19a2d9b1d4ad8a7d28d6de35f9d7db8bbd140e0d26b84f4ac4aa09", kill_on_drop: false }`
[INFO] [stdout] 3558796a1a19a2d9b1d4ad8a7d28d6de35f9d7db8bbd140e0d26b84f4ac4aa09