[INFO] fetching crate varlink_generator 10.1.0...
[INFO] checking varlink_generator-10.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate varlink_generator 10.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate varlink_generator 10.1.0
[INFO] finished tweaking crates.io crate varlink_generator 10.1.0
[INFO] tweaked toml for crates.io crate varlink_generator 10.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate varlink_generator 10.1.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate varlink_generator 10.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 273d63a3a8bbc74cc1868181c348e1bc875204592fba485543b81d42a1e8d738
[INFO] running `Command { std: "docker" "start" "-a" "273d63a3a8bbc74cc1868181c348e1bc875204592fba485543b81d42a1e8d738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "273d63a3a8bbc74cc1868181c348e1bc875204592fba485543b81d42a1e8d738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "273d63a3a8bbc74cc1868181c348e1bc875204592fba485543b81d42a1e8d738", kill_on_drop: false }`
[INFO] [stdout] 273d63a3a8bbc74cc1868181c348e1bc875204592fba485543b81d42a1e8d738
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d4bce7877bc53edcd6378e5562c076360bb0cd9f8f6f5409cda36a5ab25dcf7
[INFO] running `Command { std: "docker" "start" "-a" "4d4bce7877bc53edcd6378e5562c076360bb0cd9f8f6f5409cda36a5ab25dcf7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling peg-runtime v0.6.3
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking chainerror v0.7.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking unified-diff v0.2.1
[INFO] [stderr]     Checking quote v1.0.10
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling peg-macros v0.6.3
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking peg v0.6.3
[INFO] [stderr]     Checking varlink_parser v4.2.0
[INFO] [stderr]     Checking varlink_generator v10.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.06s
[INFO] running `Command { std: "docker" "inspect" "4d4bce7877bc53edcd6378e5562c076360bb0cd9f8f6f5409cda36a5ab25dcf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d4bce7877bc53edcd6378e5562c076360bb0cd9f8f6f5409cda36a5ab25dcf7", kill_on_drop: false }`
[INFO] [stdout] 4d4bce7877bc53edcd6378e5562c076360bb0cd9f8f6f5409cda36a5ab25dcf7