[INFO] fetching crate serde_gelf 0.1.6...
[INFO] checking serde_gelf-0.1.6 against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] extracting crate serde_gelf 0.1.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate serde_gelf 0.1.6 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 serde_gelf 0.1.6
[INFO] finished tweaking crates.io crate serde_gelf 0.1.6
[INFO] tweaked toml for crates.io crate serde_gelf 0.1.6 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate serde_gelf 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[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] 7cbe2331fb2377b0aa299a279d94185cfce9c28ff84a9763fd54ccd9234a072d
[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" "7cbe2331fb2377b0aa299a279d94185cfce9c28ff84a9763fd54ccd9234a072d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cbe2331fb2377b0aa299a279d94185cfce9c28ff84a9763fd54ccd9234a072d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cbe2331fb2377b0aa299a279d94185cfce9c28ff84a9763fd54ccd9234a072d", kill_on_drop: false }`
[INFO] [stdout] 7cbe2331fb2377b0aa299a279d94185cfce9c28ff84a9763fd54ccd9234a072d
[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] b41a5fad977e70657115c15f56da0f6fc1f16c96401356d93b378fcce6c413b6
[INFO] running `Command { std: "docker" "start" "-a" "b41a5fad977e70657115c15f56da0f6fc1f16c96401356d93b378fcce6c413b6", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling serde v1.0.93
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.38
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.93
[INFO] [stderr]     Checking serde-value v0.6.0
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking serde-value-utils v0.1.0
[INFO] [stderr]     Checking serde_gelf v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.66s
[INFO] running `Command { std: "docker" "inspect" "b41a5fad977e70657115c15f56da0f6fc1f16c96401356d93b378fcce6c413b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b41a5fad977e70657115c15f56da0f6fc1f16c96401356d93b378fcce6c413b6", kill_on_drop: false }`
[INFO] [stdout] b41a5fad977e70657115c15f56da0f6fc1f16c96401356d93b378fcce6c413b6