[INFO] fetching crate slog-envlogger 2.2.0...
[INFO] checking slog-envlogger-2.2.0 against master#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376
[INFO] extracting crate slog-envlogger 2.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate slog-envlogger 2.2.0 on toolchain 0dce3f606e05cffab7361c132a399d3550ab0df8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slog-envlogger 2.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate slog-envlogger 2.2.0
[INFO] tweaked toml for crates.io crate slog-envlogger 2.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edcb8deb9e9c1ca8b4558ca12e43b088584719a3ed94d19fbb0d1944017a1ca2
[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" "edcb8deb9e9c1ca8b4558ca12e43b088584719a3ed94d19fbb0d1944017a1ca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edcb8deb9e9c1ca8b4558ca12e43b088584719a3ed94d19fbb0d1944017a1ca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edcb8deb9e9c1ca8b4558ca12e43b088584719a3ed94d19fbb0d1944017a1ca2", kill_on_drop: false }`
[INFO] [stdout] edcb8deb9e9c1ca8b4558ca12e43b088584719a3ed94d19fbb0d1944017a1ca2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c33f08cc2a408e6b8ade5ce67797bba9ef44bcc4206b13f235bb22f0be038dbc
[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" "c33f08cc2a408e6b8ade5ce67797bba9ef44bcc4206b13f235bb22f0be038dbc", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]     Checking slog-stdlog v4.1.0
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking slog-envlogger v2.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> examples/proper.rs:8:48
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[macro_use(slog_error, slog_info, slog_trace, slog_log, slog_o, slog_record,
[INFO] [stdout]   |                                                ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> examples/proper.rs:8:66
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[macro_use(slog_error, slog_info, slog_trace, slog_log, slog_o, slog_record,
[INFO] [stdout]   |                                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> examples/proper.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |             slog_record_static, slog_b, slog_kv)]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> examples/proper.rs:9:33
[INFO] [stdout]   |
[INFO] [stdout] 9 |             slog_record_static, slog_b, slog_kv)]
[INFO] [stdout]   |                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> examples/proper.rs:9:41
[INFO] [stdout]   |
[INFO] [stdout] 9 |             slog_record_static, slog_b, slog_kv)]
[INFO] [stdout]   |                                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> examples/scopes.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[macro_use(o, kv)]
[INFO] [stdout]   |                ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.58s
[INFO] running `Command { std: "docker" "inspect" "c33f08cc2a408e6b8ade5ce67797bba9ef44bcc4206b13f235bb22f0be038dbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c33f08cc2a408e6b8ade5ce67797bba9ef44bcc4206b13f235bb22f0be038dbc", kill_on_drop: false }`
[INFO] [stdout] c33f08cc2a408e6b8ade5ce67797bba9ef44bcc4206b13f235bb22f0be038dbc