[INFO] fetching crate serde-untagged 0.1.6...
[INFO] checking serde-untagged-0.1.6 against try#0edd13c68435d50367c79cef43ac2768d2ec4f3d for pr-129422
[INFO] extracting crate serde-untagged 0.1.6 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate serde-untagged 0.1.6 on toolchain 0edd13c68435d50367c79cef43ac2768d2ec4f3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde-untagged 0.1.6
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate serde-untagged 0.1.6
[INFO] tweaked toml for crates.io crate serde-untagged 0.1.6 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12da0808f0714cf2e68dc6ed3966ca0a0f5d046fbf75b47633b5d161f10a421b
[INFO] running `Command { std: "docker" "start" "-a" "12da0808f0714cf2e68dc6ed3966ca0a0f5d046fbf75b47633b5d161f10a421b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12da0808f0714cf2e68dc6ed3966ca0a0f5d046fbf75b47633b5d161f10a421b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12da0808f0714cf2e68dc6ed3966ca0a0f5d046fbf75b47633b5d161f10a421b", kill_on_drop: false }`
[INFO] [stdout] 12da0808f0714cf2e68dc6ed3966ca0a0f5d046fbf75b47633b5d161f10a421b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ba4b5e54cc3234566c2daea5ab053a2efd2627de8626f9f3633f2d5b52d79ac
[INFO] running `Command { std: "docker" "start" "-a" "7ba4b5e54cc3234566c2daea5ab053a2efd2627de8626f9f3633f2d5b52d79ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]    Compiling typeid v1.0.2
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking serde_spanned v0.6.7
[INFO] [stderr]     Checking erased-serde v0.4.5
[INFO] [stderr]     Checking serde_json v1.0.127
[INFO] [stderr]     Checking toml_edit v0.22.20
[INFO] [stderr]     Checking serde-untagged v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking toml v0.8.19
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.55s
[INFO] running `Command { std: "docker" "inspect" "7ba4b5e54cc3234566c2daea5ab053a2efd2627de8626f9f3633f2d5b52d79ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ba4b5e54cc3234566c2daea5ab053a2efd2627de8626f9f3633f2d5b52d79ac", kill_on_drop: false }`
[INFO] [stdout] 7ba4b5e54cc3234566c2daea5ab053a2efd2627de8626f9f3633f2d5b52d79ac