[INFO] fetching crate slog-extlog 6.0.1...
[INFO] checking slog-extlog-6.0.1 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate slog-extlog 6.0.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate slog-extlog 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] removed /workspace/builds/worker-9/source/.cargo/config
[INFO] started tweaking crates.io crate slog-extlog 6.0.1
[INFO] finished tweaking crates.io crate slog-extlog 6.0.1
[INFO] tweaked toml for crates.io crate slog-extlog 6.0.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] f873cfca8f9977cfa44dc809500a330ceee61b810b1f3c3e1caddc57a7e8a025
[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" "f873cfca8f9977cfa44dc809500a330ceee61b810b1f3c3e1caddc57a7e8a025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f873cfca8f9977cfa44dc809500a330ceee61b810b1f3c3e1caddc57a7e8a025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f873cfca8f9977cfa44dc809500a330ceee61b810b1f3c3e1caddc57a7e8a025", kill_on_drop: false }`
[INFO] [stdout] f873cfca8f9977cfa44dc809500a330ceee61b810b1f3c3e1caddc57a7e8a025
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] dcaef003ae7fe7f92ba0c941ac42760cc32c1d626e6495405cf79dd195aaccdd
[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" "dcaef003ae7fe7f92ba0c941ac42760cc32c1d626e6495405cf79dd195aaccdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling pin-project-internal v0.4.26
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling futures-core v0.3.6
[INFO] [stderr]    Compiling futures-sink v0.3.6
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling futures-io v0.3.6
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling pin-project-lite v0.1.10
[INFO] [stderr]    Compiling iobuffer v0.2.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling futures-channel v0.3.6
[INFO] [stderr]    Compiling futures-task v0.3.6
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling pin-project v0.4.26
[INFO] [stderr]    Compiling futures-util v0.3.6
[INFO] [stderr]     Checking futures-executor v0.3.6
[INFO] [stderr]     Checking futures v0.3.6
[INFO] [stderr]     Checking erased-serde v0.3.12
[INFO] [stderr]     Checking serde_json v1.0.58
[INFO] [stderr]     Checking slog-json v2.3.0
[INFO] [stderr]     Checking slog-extlog v6.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling slog-extlog v6.0.1
[INFO] [stderr]    Compiling slog-extlog-derive v6.0.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `Command { std: "docker" "inspect" "dcaef003ae7fe7f92ba0c941ac42760cc32c1d626e6495405cf79dd195aaccdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcaef003ae7fe7f92ba0c941ac42760cc32c1d626e6495405cf79dd195aaccdd", kill_on_drop: false }`
[INFO] [stdout] dcaef003ae7fe7f92ba0c941ac42760cc32c1d626e6495405cf79dd195aaccdd