[INFO] fetching crate synstructure 0.13.2...
[INFO] checking synstructure-0.13.2 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate synstructure 0.13.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate synstructure 0.13.2
[INFO] finished tweaking crates.io crate synstructure 0.13.2
[INFO] tweaked toml for crates.io crate synstructure 0.13.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate synstructure 0.13.2 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 synstructure 0.13.2 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c2cc50ac0d6d4e2aeca304fe62bdc256248df56c68842229707321b50d4cfcf4
[INFO] running `Command { std: "docker" "start" "-a" "c2cc50ac0d6d4e2aeca304fe62bdc256248df56c68842229707321b50d4cfcf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2cc50ac0d6d4e2aeca304fe62bdc256248df56c68842229707321b50d4cfcf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2cc50ac0d6d4e2aeca304fe62bdc256248df56c68842229707321b50d4cfcf4", kill_on_drop: false }`
[INFO] [stdout] c2cc50ac0d6d4e2aeca304fe62bdc256248df56c68842229707321b50d4cfcf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 390031bd75ecc6f0f9e62e2958976e23d57ac41fae95d95e78a38024d46e4e12
[INFO] running `Command { std: "docker" "start" "-a" "390031bd75ecc6f0f9e62e2958976e23d57ac41fae95d95e78a38024d46e4e12", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]     Checking synstructure_test_traits v0.1.0
[INFO] [stderr]     Checking syn v2.0.0
[INFO] [stderr]     Checking synstructure v0.13.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.57s
[INFO] running `Command { std: "docker" "inspect" "390031bd75ecc6f0f9e62e2958976e23d57ac41fae95d95e78a38024d46e4e12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "390031bd75ecc6f0f9e62e2958976e23d57ac41fae95d95e78a38024d46e4e12", kill_on_drop: false }`
[INFO] [stdout] 390031bd75ecc6f0f9e62e2958976e23d57ac41fae95d95e78a38024d46e4e12