[INFO] fetching crate bk 0.5.0...
[INFO] checking bk-0.5.0 against master#31ee872db5aae4750e3da1ca4ed1523c4356947f for pr-78461
[INFO] extracting crate bk 0.5.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate bk 0.5.0 on toolchain 31ee872db5aae4750e3da1ca4ed1523c4356947f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bk 0.5.0
[INFO] finished tweaking crates.io crate bk 0.5.0
[INFO] tweaked toml for crates.io crate bk 0.5.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate bk 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92d3024f7f58de690d81babef0d0f264c021ebd433e7f0d5812dba40332233ec
[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" "92d3024f7f58de690d81babef0d0f264c021ebd433e7f0d5812dba40332233ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92d3024f7f58de690d81babef0d0f264c021ebd433e7f0d5812dba40332233ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92d3024f7f58de690d81babef0d0f264c021ebd433e7f0d5812dba40332233ec", kill_on_drop: false }`
[INFO] [stdout] 92d3024f7f58de690d81babef0d0f264c021ebd433e7f0d5812dba40332233ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed8418634a28a07ce0f285f9cf967ec9d6753d2b59e6f479f8ccf0bc0fafa15c
[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" "ed8418634a28a07ce0f285f9cf967ec9d6753d2b59e6f479f8ccf0bc0fafa15c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling argh_shared v0.1.1
[INFO] [stderr]     Checking xmlparser v0.13.2
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking podio v0.1.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]     Checking roxmltree v0.13.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking mio v0.7.0
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking zip v0.5.6
[INFO] [stderr]     Checking crossterm v0.17.7
[INFO] [stderr]    Compiling argh_derive v0.1.1
[INFO] [stderr]     Checking argh v0.1.3
[INFO] [stderr]     Checking ron v0.6.1
[INFO] [stderr]     Checking bk v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.15s
[INFO] running `Command { std: "docker" "inspect" "ed8418634a28a07ce0f285f9cf967ec9d6753d2b59e6f479f8ccf0bc0fafa15c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed8418634a28a07ce0f285f9cf967ec9d6753d2b59e6f479f8ccf0bc0fafa15c", kill_on_drop: false }`
[INFO] [stdout] ed8418634a28a07ce0f285f9cf967ec9d6753d2b59e6f479f8ccf0bc0fafa15c