[INFO] fetching crate serde_ignored 0.1.2...
[INFO] checking serde_ignored-0.1.2 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate serde_ignored 0.1.2 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate serde_ignored 0.1.2 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_ignored 0.1.2
[INFO] finished tweaking crates.io crate serde_ignored 0.1.2
[INFO] tweaked toml for crates.io crate serde_ignored 0.1.2 written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f60ba7a2ee0d31caf8031982114777af9bb95690832d2cbb47700d1e7240d78
[INFO] running `Command { std: "docker" "start" "-a" "9f60ba7a2ee0d31caf8031982114777af9bb95690832d2cbb47700d1e7240d78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f60ba7a2ee0d31caf8031982114777af9bb95690832d2cbb47700d1e7240d78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f60ba7a2ee0d31caf8031982114777af9bb95690832d2cbb47700d1e7240d78", kill_on_drop: false }`
[INFO] [stdout] 9f60ba7a2ee0d31caf8031982114777af9bb95690832d2cbb47700d1e7240d78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3cf45a4e9784f0fc3547b6627baad2ea598d33a723ecccff46d3c639dd9c9ce
[INFO] running `Command { std: "docker" "start" "-a" "d3cf45a4e9784f0fc3547b6627baad2ea598d33a723ecccff46d3c639dd9c9ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking serde_ignored v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.06s
[INFO] running `Command { std: "docker" "inspect" "d3cf45a4e9784f0fc3547b6627baad2ea598d33a723ecccff46d3c639dd9c9ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3cf45a4e9784f0fc3547b6627baad2ea598d33a723ecccff46d3c639dd9c9ce", kill_on_drop: false }`
[INFO] [stdout] d3cf45a4e9784f0fc3547b6627baad2ea598d33a723ecccff46d3c639dd9c9ce