[INFO] fetching crate xecs 0.2.7...
[INFO] checking xecs-0.2.7 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate xecs 0.2.7 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate xecs 0.2.7 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 xecs 0.2.7
[INFO] finished tweaking crates.io crate xecs 0.2.7
[INFO] tweaked toml for crates.io crate xecs 0.2.7 written to /workspace/builds/worker-12/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 6bd95fecec21473a9b507645b2a2cfdedd9cc9b6033ca98933069d27045190e2
[INFO] running `Command { std: "docker" "start" "-a" "6bd95fecec21473a9b507645b2a2cfdedd9cc9b6033ca98933069d27045190e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bd95fecec21473a9b507645b2a2cfdedd9cc9b6033ca98933069d27045190e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bd95fecec21473a9b507645b2a2cfdedd9cc9b6033ca98933069d27045190e2", kill_on_drop: false }`
[INFO] [stdout] 6bd95fecec21473a9b507645b2a2cfdedd9cc9b6033ca98933069d27045190e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 165dabdbacdeb144758f88ae0ce997037f2ee471b06859d9fcfc3e1bb0949309
[INFO] running `Command { std: "docker" "start" "-a" "165dabdbacdeb144758f88ae0ce997037f2ee471b06859d9fcfc3e1bb0949309", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking xecs v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "165dabdbacdeb144758f88ae0ce997037f2ee471b06859d9fcfc3e1bb0949309", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "165dabdbacdeb144758f88ae0ce997037f2ee471b06859d9fcfc3e1bb0949309", kill_on_drop: false }`
[INFO] [stdout] 165dabdbacdeb144758f88ae0ce997037f2ee471b06859d9fcfc3e1bb0949309