[INFO] fetching crate grep_json_deserialize 0.1.2...
[INFO] checking grep_json_deserialize-0.1.2 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate grep_json_deserialize 0.1.2 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate grep_json_deserialize 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 grep_json_deserialize 0.1.2
[INFO] finished tweaking crates.io crate grep_json_deserialize 0.1.2
[INFO] tweaked toml for crates.io crate grep_json_deserialize 0.1.2 written to /workspace/builds/worker-52/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] 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-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 6de813caa01dafd5b7a2300ccc6d6c21939a679318de77295fad82fb4dbab8e4
[INFO] running `Command { std: "docker" "start" "-a" "6de813caa01dafd5b7a2300ccc6d6c21939a679318de77295fad82fb4dbab8e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6de813caa01dafd5b7a2300ccc6d6c21939a679318de77295fad82fb4dbab8e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6de813caa01dafd5b7a2300ccc6d6c21939a679318de77295fad82fb4dbab8e4", kill_on_drop: false }`
[INFO] [stdout] 6de813caa01dafd5b7a2300ccc6d6c21939a679318de77295fad82fb4dbab8e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 8ef1036a192896de2a395096a01f040f1be24f5bd0f2d169bab4a68a27149a1a
[INFO] running `Command { std: "docker" "start" "-a" "8ef1036a192896de2a395096a01f040f1be24f5bd0f2d169bab4a68a27149a1a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking serde v1.0.129
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]     Checking grep_json_deserialize v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.52s
[INFO] running `Command { std: "docker" "inspect" "8ef1036a192896de2a395096a01f040f1be24f5bd0f2d169bab4a68a27149a1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ef1036a192896de2a395096a01f040f1be24f5bd0f2d169bab4a68a27149a1a", kill_on_drop: false }`
[INFO] [stdout] 8ef1036a192896de2a395096a01f040f1be24f5bd0f2d169bab4a68a27149a1a