[INFO] fetching crate serde_piecewise_default 0.2.0...
[INFO] checking serde_piecewise_default-0.2.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate serde_piecewise_default 0.2.0 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate serde_piecewise_default 0.2.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_piecewise_default 0.2.0
[INFO] finished tweaking crates.io crate serde_piecewise_default 0.2.0
[INFO] tweaked toml for crates.io crate serde_piecewise_default 0.2.0 written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_piecewise_default_derive v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d93c7c6b207aa45c4d39184be5b1c6096f61971dde735d80be8a98a941389b2d
[INFO] running `Command { std: "docker" "start" "-a" "d93c7c6b207aa45c4d39184be5b1c6096f61971dde735d80be8a98a941389b2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d93c7c6b207aa45c4d39184be5b1c6096f61971dde735d80be8a98a941389b2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d93c7c6b207aa45c4d39184be5b1c6096f61971dde735d80be8a98a941389b2d", kill_on_drop: false }`
[INFO] [stdout] d93c7c6b207aa45c4d39184be5b1c6096f61971dde735d80be8a98a941389b2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cfed949425dbe8b910f67e453135e56142f73b1cc4b12757f8cb745c5ed3fbd
[INFO] running `Command { std: "docker" "start" "-a" "7cfed949425dbe8b910f67e453135e56142f73b1cc4b12757f8cb745c5ed3fbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling compiletest_rs v0.3.26
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]     Checking tester v0.6.0
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]    Compiling serde_piecewise_default_derive v0.2.0
[INFO] [stderr]     Checking rustfix v0.4.6
[INFO] [stderr]     Checking serde_piecewise_default v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.79s
[INFO] running `Command { std: "docker" "inspect" "7cfed949425dbe8b910f67e453135e56142f73b1cc4b12757f8cb745c5ed3fbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cfed949425dbe8b910f67e453135e56142f73b1cc4b12757f8cb745c5ed3fbd", kill_on_drop: false }`
[INFO] [stdout] 7cfed949425dbe8b910f67e453135e56142f73b1cc4b12757f8cb745c5ed3fbd