[INFO] fetching crate sourcemap 6.0.1...
[INFO] checking sourcemap-6.0.1 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate sourcemap 6.0.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate sourcemap 6.0.1 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 sourcemap 6.0.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate sourcemap 6.0.1
[INFO] tweaked toml for crates.io crate sourcemap 6.0.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate sourcemap 6.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] dbdcaba200bd4a2b99887a10f7d3e81aa2067dfcf72cb8217a8e725a6b480d8b
[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" "dbdcaba200bd4a2b99887a10f7d3e81aa2067dfcf72cb8217a8e725a6b480d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbdcaba200bd4a2b99887a10f7d3e81aa2067dfcf72cb8217a8e725a6b480d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbdcaba200bd4a2b99887a10f7d3e81aa2067dfcf72cb8217a8e725a6b480d8b", kill_on_drop: false }`
[INFO] [stdout] dbdcaba200bd4a2b99887a10f7d3e81aa2067dfcf72cb8217a8e725a6b480d8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] c8c1fe7ca44a5dd4924050c6903c893069112f8a7f803c5004b3e0baa71bafd4
[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" "c8c1fe7ca44a5dd4924050c6903c893069112f8a7f803c5004b3e0baa71bafd4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]     Checking if_chain v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Checking sourcemap v6.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.07s
[INFO] running `Command { std: "docker" "inspect" "c8c1fe7ca44a5dd4924050c6903c893069112f8a7f803c5004b3e0baa71bafd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8c1fe7ca44a5dd4924050c6903c893069112f8a7f803c5004b3e0baa71bafd4", kill_on_drop: false }`
[INFO] [stdout] c8c1fe7ca44a5dd4924050c6903c893069112f8a7f803c5004b3e0baa71bafd4