[INFO] fetching crate wherror-impl 2.3.1...
[INFO] building wherror-impl-2.3.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate wherror-impl 2.3.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate wherror-impl 2.3.1
[INFO] finished tweaking crates.io crate wherror-impl 2.3.1
[INFO] tweaked toml for crates.io crate wherror-impl 2.3.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wherror-impl 2.3.1 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate wherror-impl 2.3.1 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 200a4072fb88757df383f8eb46c184fc505884c484939f14f88392e459d28a88
[INFO] running `Command { std: "docker" "start" "-a" "200a4072fb88757df383f8eb46c184fc505884c484939f14f88392e459d28a88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "200a4072fb88757df383f8eb46c184fc505884c484939f14f88392e459d28a88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "200a4072fb88757df383f8eb46c184fc505884c484939f14f88392e459d28a88", kill_on_drop: false }`
[INFO] [stdout] 200a4072fb88757df383f8eb46c184fc505884c484939f14f88392e459d28a88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 430f64d376d2aec2b666830a20b2dd10c86ff8aa4ab78e5d1fc0dc2217aea071
[INFO] running `Command { std: "docker" "start" "-a" "430f64d376d2aec2b666830a20b2dd10c86ff8aa4ab78e5d1fc0dc2217aea071", kill_on_drop: false }`
[INFO] [stderr]    Compiling wherror-impl v2.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.57s
[INFO] running `Command { std: "docker" "inspect" "430f64d376d2aec2b666830a20b2dd10c86ff8aa4ab78e5d1fc0dc2217aea071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "430f64d376d2aec2b666830a20b2dd10c86ff8aa4ab78e5d1fc0dc2217aea071", kill_on_drop: false }`
[INFO] [stdout] 430f64d376d2aec2b666830a20b2dd10c86ff8aa4ab78e5d1fc0dc2217aea071
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95dfed5091bb2f8d0ae676eca4276bd86c0c0cfbfcb1848292edf6033ab1a4a3
[INFO] running `Command { std: "docker" "start" "-a" "95dfed5091bb2f8d0ae676eca4276bd86c0c0cfbfcb1848292edf6033ab1a4a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling wherror-impl v2.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `Command { std: "docker" "inspect" "95dfed5091bb2f8d0ae676eca4276bd86c0c0cfbfcb1848292edf6033ab1a4a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95dfed5091bb2f8d0ae676eca4276bd86c0c0cfbfcb1848292edf6033ab1a4a3", kill_on_drop: false }`
[INFO] [stdout] 95dfed5091bb2f8d0ae676eca4276bd86c0c0cfbfcb1848292edf6033ab1a4a3