[INFO] fetching crate config2args 0.2.0...
[INFO] checking config2args-0.2.0 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate config2args 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate config2args 0.2.0 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate config2args 0.2.0
[INFO] finished tweaking crates.io crate config2args 0.2.0
[INFO] tweaked toml for crates.io crate config2args 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", 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] f4fb7e0ba7fe9499bf92c903caf9dbc6115d42ee4f7800a75d0327bb57468899
[INFO] running `Command { std: "docker" "start" "-a" "f4fb7e0ba7fe9499bf92c903caf9dbc6115d42ee4f7800a75d0327bb57468899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4fb7e0ba7fe9499bf92c903caf9dbc6115d42ee4f7800a75d0327bb57468899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4fb7e0ba7fe9499bf92c903caf9dbc6115d42ee4f7800a75d0327bb57468899", kill_on_drop: false }`
[INFO] [stdout] f4fb7e0ba7fe9499bf92c903caf9dbc6115d42ee4f7800a75d0327bb57468899
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9b9e5db5e4673145273c57bc73956ab6812df590612d1d015c03980bbc9de10
[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" "d9b9e5db5e4673145273c57bc73956ab6812df590612d1d015c03980bbc9de10", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking unic-common v0.7.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking unic-char-range v0.7.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking humansize v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking serde_json v1.0.58
[INFO] [stderr]     Checking backtrace v0.3.51
[INFO] [stderr]     Checking unic-ucd-version v0.7.0
[INFO] [stderr]     Checking unic-char-property v0.7.0
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]     Checking unic-ucd-segment v0.7.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking unic-segment v0.7.0
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking tera v0.11.20
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking config2args v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.57s
[INFO] running `Command { std: "docker" "inspect" "d9b9e5db5e4673145273c57bc73956ab6812df590612d1d015c03980bbc9de10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9b9e5db5e4673145273c57bc73956ab6812df590612d1d015c03980bbc9de10", kill_on_drop: false }`
[INFO] [stdout] d9b9e5db5e4673145273c57bc73956ab6812df590612d1d015c03980bbc9de10