[INFO] fetching crate legacy-serde 0.9.0...
[INFO] checking legacy-serde-0.9.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate legacy-serde 0.9.0 into /workspace/builds/worker-74/source
[INFO] validating manifest of crates.io crate legacy-serde 0.9.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate legacy-serde 0.9.0
[INFO] finished tweaking crates.io crate legacy-serde 0.9.0
[INFO] tweaked toml for crates.io crate legacy-serde 0.9.0 written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-xid v0.0.4
[INFO] [stderr]   Downloaded quote v0.3.15
[INFO] [stderr]   Downloaded serde_codegen_internals v0.14.2
[INFO] [stderr]   Downloaded serde_derive v0.9.15
[INFO] [stderr]   Downloaded synom v0.11.3
[INFO] [stderr]   Downloaded serde v0.9.15
[INFO] [stderr]   Downloaded syn v0.11.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1ba56ffcdd8398f135d3cf206364b2abe9719590e9e19f400bfa8ddfd987f2f
[INFO] running `Command { std: "docker" "start" "-a" "b1ba56ffcdd8398f135d3cf206364b2abe9719590e9e19f400bfa8ddfd987f2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1ba56ffcdd8398f135d3cf206364b2abe9719590e9e19f400bfa8ddfd987f2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1ba56ffcdd8398f135d3cf206364b2abe9719590e9e19f400bfa8ddfd987f2f", kill_on_drop: false }`
[INFO] [stdout] b1ba56ffcdd8398f135d3cf206364b2abe9719590e9e19f400bfa8ddfd987f2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c812ad7be2398ed32e551759e615d3c8c94762debf72421464291ee7952b908
[INFO] running `Command { std: "docker" "start" "-a" "3c812ad7be2398ed32e551759e615d3c8c94762debf72421464291ee7952b908", kill_on_drop: false }`
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]     Checking legacy-serde v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.50s
[INFO] running `Command { std: "docker" "inspect" "3c812ad7be2398ed32e551759e615d3c8c94762debf72421464291ee7952b908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c812ad7be2398ed32e551759e615d3c8c94762debf72421464291ee7952b908", kill_on_drop: false }`
[INFO] [stdout] 3c812ad7be2398ed32e551759e615d3c8c94762debf72421464291ee7952b908