[INFO] fetching crate serde_gelf 0.1.6...
[INFO] checking serde_gelf-0.1.6 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] extracting crate serde_gelf 0.1.6 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate serde_gelf 0.1.6 on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-3-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.39
[INFO] [stderr]   Downloaded serde-value v0.6.0
[INFO] [stderr]   Downloaded ryu v0.2.8
[INFO] [stderr]   Downloaded syn v0.15.38
[INFO] [stderr]   Downloaded serde_derive v1.0.93
[INFO] [stderr]   Downloaded serde-value-utils v0.1.0
[INFO] [stderr]   Downloaded serde v1.0.93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1f2b24affad5cad4ff9eb9d4e5a99e991cb68cf4fb49d26360c2066121964c5
[INFO] running `Command { std: "docker" "start" "-a" "a1f2b24affad5cad4ff9eb9d4e5a99e991cb68cf4fb49d26360c2066121964c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1f2b24affad5cad4ff9eb9d4e5a99e991cb68cf4fb49d26360c2066121964c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1f2b24affad5cad4ff9eb9d4e5a99e991cb68cf4fb49d26360c2066121964c5", kill_on_drop: false }`
[INFO] [stdout] a1f2b24affad5cad4ff9eb9d4e5a99e991cb68cf4fb49d26360c2066121964c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a430975099d0814ddf76d44b2df71789081a178febacb8bdfc1f427fa6f7e6a
[INFO] running `Command { std: "docker" "start" "-a" "6a430975099d0814ddf76d44b2df71789081a178febacb8bdfc1f427fa6f7e6a", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling serde v1.0.93
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.38
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking itoa v0.4.4
[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 3.57s
[INFO] running `Command { std: "docker" "inspect" "6a430975099d0814ddf76d44b2df71789081a178febacb8bdfc1f427fa6f7e6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a430975099d0814ddf76d44b2df71789081a178febacb8bdfc1f427fa6f7e6a", kill_on_drop: false }`
[INFO] [stdout] 6a430975099d0814ddf76d44b2df71789081a178febacb8bdfc1f427fa6f7e6a
