[INFO] fetching crate serde_at 0.24.1...
[INFO] building serde_at-0.24.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate serde_at 0.24.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate serde_at 0.24.1
[INFO] finished tweaking crates.io crate serde_at 0.24.1
[INFO] tweaked toml for crates.io crate serde_at 0.24.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_at 0.24.1 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 25 packages to latest compatible versions
[INFO] [stderr]       Adding heapless v0.8.0 (available: v0.9.1)
[INFO] [stderr]       Adding heapless-bytes v0.3.0 (available: v0.5.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20fb01260061ce0eb98332aa031c62834a9e3a6985a417a3642f88207b2f1ef0
[INFO] running `Command { std: "docker" "start" "-a" "20fb01260061ce0eb98332aa031c62834a9e3a6985a417a3642f88207b2f1ef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20fb01260061ce0eb98332aa031c62834a9e3a6985a417a3642f88207b2f1ef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20fb01260061ce0eb98332aa031c62834a9e3a6985a417a3642f88207b2f1ef0", kill_on_drop: false }`
[INFO] [stdout] 20fb01260061ce0eb98332aa031c62834a9e3a6985a417a3642f88207b2f1ef0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd787ced9e246bea051f4fb5beb421f1a54e11f3bc68d29ae9361de5fe15015b
[INFO] running `Command { std: "docker" "start" "-a" "bd787ced9e246bea051f4fb5beb421f1a54e11f3bc68d29ae9361de5fe15015b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_at v0.24.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.96s
[INFO] running `Command { std: "docker" "inspect" "bd787ced9e246bea051f4fb5beb421f1a54e11f3bc68d29ae9361de5fe15015b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd787ced9e246bea051f4fb5beb421f1a54e11f3bc68d29ae9361de5fe15015b", kill_on_drop: false }`
[INFO] [stdout] bd787ced9e246bea051f4fb5beb421f1a54e11f3bc68d29ae9361de5fe15015b
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba893b42fd9e548dfd74a9afa841d16fd4fd3b1d1d82cabd3a84eb5c4ecc9c74
[INFO] running `Command { std: "docker" "start" "-a" "ba893b42fd9e548dfd74a9afa841d16fd4fd3b1d1d82cabd3a84eb5c4ecc9c74", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_bytes v0.11.19
[INFO] [stderr]    Compiling serde_at v0.24.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "ba893b42fd9e548dfd74a9afa841d16fd4fd3b1d1d82cabd3a84eb5c4ecc9c74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba893b42fd9e548dfd74a9afa841d16fd4fd3b1d1d82cabd3a84eb5c4ecc9c74", kill_on_drop: false }`
[INFO] [stdout] ba893b42fd9e548dfd74a9afa841d16fd4fd3b1d1d82cabd3a84eb5c4ecc9c74