[INFO] fetching crate little-skeptic 0.15.2...
[INFO] checking little-skeptic-0.15.2 against try#5d9095c550fcec9e458ce8d6b0c04a217641db66 for pr-77153
[INFO] extracting crate little-skeptic 0.15.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate little-skeptic 0.15.2 on toolchain 5d9095c550fcec9e458ce8d6b0c04a217641db66
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate little-skeptic 0.15.2
[INFO] finished tweaking crates.io crate little-skeptic 0.15.2
[INFO] tweaked toml for crates.io crate little-skeptic 0.15.2 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c1b1aea2bf54617eaa95c7cc0819c2cd24b3aa6c8290f02931b4dff6f1c5869
[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" "7c1b1aea2bf54617eaa95c7cc0819c2cd24b3aa6c8290f02931b4dff6f1c5869", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c1b1aea2bf54617eaa95c7cc0819c2cd24b3aa6c8290f02931b4dff6f1c5869", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c1b1aea2bf54617eaa95c7cc0819c2cd24b3aa6c8290f02931b4dff6f1c5869", kill_on_drop: false }`
[INFO] [stdout] 7c1b1aea2bf54617eaa95c7cc0819c2cd24b3aa6c8290f02931b4dff6f1c5869
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "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] 0319fbeb37464a73f6e9b7d5dd4b43ae2cac8c42a8f47cda7cad57388581bda8
[INFO] running `Command { std: "docker" "start" "-a" "0319fbeb37464a73f6e9b7d5dd4b43ae2cac8c42a8f47cda7cad57388581bda8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling pulldown-cmark v0.5.3
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking bytecount v0.5.1
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking handlebars v2.0.4
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking cargo_metadata v0.8.2
[INFO] [stderr]     Checking little-skeptic v0.15.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.54s
[INFO] running `Command { std: "docker" "inspect" "0319fbeb37464a73f6e9b7d5dd4b43ae2cac8c42a8f47cda7cad57388581bda8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0319fbeb37464a73f6e9b7d5dd4b43ae2cac8c42a8f47cda7cad57388581bda8", kill_on_drop: false }`
[INFO] [stdout] 0319fbeb37464a73f6e9b7d5dd4b43ae2cac8c42a8f47cda7cad57388581bda8