[INFO] fetching crate assembly-data 0.1.0...
[INFO] checking assembly-data-0.1.0 against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] extracting crate assembly-data 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate assembly-data 0.1.0 on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate assembly-data 0.1.0
[INFO] finished tweaking crates.io crate assembly-data 0.1.0
[INFO] tweaked toml for crates.io crate assembly-data 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ca1442c9f3e6e7ad950061a2e9e3ce5f7401a24f59ce2dde982dff072488909
[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" "4ca1442c9f3e6e7ad950061a2e9e3ce5f7401a24f59ce2dde982dff072488909", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ca1442c9f3e6e7ad950061a2e9e3ce5f7401a24f59ce2dde982dff072488909", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ca1442c9f3e6e7ad950061a2e9e3ce5f7401a24f59ce2dde982dff072488909", kill_on_drop: false }`
[INFO] [stdout] 4ca1442c9f3e6e7ad950061a2e9e3ce5f7401a24f59ce2dde982dff072488909
[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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "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] f9f644049d6b3eec1f9dc72f93d8b618c7994dc120d24a41e50f091cd7f91e77
[INFO] running `Command { std: "docker" "start" "-a" "f9f644049d6b3eec1f9dc72f93d8b618c7994dc120d24a41e50f091cd7f91e77", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking hsieh-hash v0.1.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking assembly-data v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/fdb/iter.rs:68:50
[INFO] [stdout]    |
[INFO] [stdout] 68 |         self.buckets_ref().into_iter().flat_map(<(&Bucket)>::into_iter)
[INFO] [stdout]    |                                                  ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/fdb/iter.rs:68:50
[INFO] [stdout]    |
[INFO] [stdout] 68 |         self.buckets_ref().into_iter().flat_map(<(&Bucket)>::into_iter)
[INFO] [stdout]    |                                                  ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.64s
[INFO] running `Command { std: "docker" "inspect" "f9f644049d6b3eec1f9dc72f93d8b618c7994dc120d24a41e50f091cd7f91e77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9f644049d6b3eec1f9dc72f93d8b618c7994dc120d24a41e50f091cd7f91e77", kill_on_drop: false }`
[INFO] [stdout] f9f644049d6b3eec1f9dc72f93d8b618c7994dc120d24a41e50f091cd7f91e77