[INFO] fetching crate elephantry 0.6.1...
[INFO] checking elephantry-0.6.1 against master#893fadd11a52aa26fc19c67ee1b79f03d6a1bed3 for pr-77153
[INFO] extracting crate elephantry 0.6.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate elephantry 0.6.1 on toolchain 893fadd11a52aa26fc19c67ee1b79f03d6a1bed3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate elephantry 0.6.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate elephantry 0.6.1
[INFO] tweaked toml for crates.io crate elephantry 0.6.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate elephantry 0.6.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "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] 9bd1f8452673da82a630f61655e471f0dca9225f01c1ccde68123ce809848e21
[INFO] running `Command { std: "docker" "start" "-a" "9bd1f8452673da82a630f61655e471f0dca9225f01c1ccde68123ce809848e21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bd1f8452673da82a630f61655e471f0dca9225f01c1ccde68123ce809848e21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bd1f8452673da82a630f61655e471f0dca9225f01c1ccde68123ce809848e21", kill_on_drop: false }`
[INFO] [stdout] 9bd1f8452673da82a630f61655e471f0dca9225f01c1ccde68123ce809848e21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf9f0632eefc6a641c5e865997b381a3a283ac74f53c366ea0659761ca4e4fb3
[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" "bf9f0632eefc6a641c5e865997b381a3a283ac74f53c366ea0659761ca4e4fb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking fastrand v1.3.5
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking event-listener v2.4.0
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]     Checking async-task v4.0.1
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking nb-connect v1.0.0
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking async-mutex v1.3.0
[INFO] [stderr]     Checking futures-lite v1.7.0
[INFO] [stderr]     Checking async-channel v1.4.2
[INFO] [stderr]     Checking polling v1.1.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking libpq v0.12.0
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking async-io v1.1.2
[INFO] [stderr]     Checking blocking v1.0.0
[INFO] [stderr]     Checking async-global-executor v1.1.1
[INFO] [stderr]    Compiling elephantry-derive v0.6.0
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]     Checking async-std v1.6.4
[INFO] [stderr]     Checking elephantry v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.18s
[INFO] running `Command { std: "docker" "inspect" "bf9f0632eefc6a641c5e865997b381a3a283ac74f53c366ea0659761ca4e4fb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf9f0632eefc6a641c5e865997b381a3a283ac74f53c366ea0659761ca4e4fb3", kill_on_drop: false }`
[INFO] [stdout] bf9f0632eefc6a641c5e865997b381a3a283ac74f53c366ea0659761ca4e4fb3