[INFO] fetching crate walr 0.1.7...
[INFO] building walr-0.1.7 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate walr 0.1.7 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate walr 0.1.7
[INFO] finished tweaking crates.io crate walr 0.1.7
[INFO] tweaked toml for crates.io crate walr 0.1.7 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate walr 0.1.7 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate walr 0.1.7 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded miniz_oxide v0.8.0
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.2
[INFO] [stderr]   Downloaded socket2 v0.5.7
[INFO] [stderr]   Downloaded bincode v1.3.3
[INFO] [stderr]   Downloaded serde_derive v1.0.210
[INFO] [stderr]   Downloaded serde v1.0.210
[INFO] [stderr]   Downloaded mio v1.0.2
[INFO] [stderr]   Downloaded bytes v1.7.2
[INFO] [stderr]   Downloaded syn v2.0.79
[INFO] [stderr]   Downloaded object v0.36.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03730b66e8e05568119231cac5203ec2e3fb5f70b58cba90a5bf9973a2e47930
[INFO] running `Command { std: "docker" "start" "-a" "03730b66e8e05568119231cac5203ec2e3fb5f70b58cba90a5bf9973a2e47930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03730b66e8e05568119231cac5203ec2e3fb5f70b58cba90a5bf9973a2e47930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03730b66e8e05568119231cac5203ec2e3fb5f70b58cba90a5bf9973a2e47930", kill_on_drop: false }`
[INFO] [stdout] 03730b66e8e05568119231cac5203ec2e3fb5f70b58cba90a5bf9973a2e47930
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b30d389bbf5c4a3e8f589d2d76e67788e4d44c9b9c4d0abc644df3a6085a8d0
[INFO] running `Command { std: "docker" "start" "-a" "5b30d389bbf5c4a3e8f589d2d76e67788e4d44c9b9c4d0abc644df3a6085a8d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.87
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling bytes v1.7.2
[INFO] [stderr]    Compiling tokio v1.40.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling walr v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.71s
[INFO] running `Command { std: "docker" "inspect" "5b30d389bbf5c4a3e8f589d2d76e67788e4d44c9b9c4d0abc644df3a6085a8d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b30d389bbf5c4a3e8f589d2d76e67788e4d44c9b9c4d0abc644df3a6085a8d0", kill_on_drop: false }`
[INFO] [stdout] 5b30d389bbf5c4a3e8f589d2d76e67788e4d44c9b9c4d0abc644df3a6085a8d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 364921f15187b1ac91a05d0e0ecbe62df02ddfbc6056e0cfd411eac6edb665cd
[INFO] running `Command { std: "docker" "start" "-a" "364921f15187b1ac91a05d0e0ecbe62df02ddfbc6056e0cfd411eac6edb665cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.87
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling tokio v1.40.0
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling walr v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 29.47s
[INFO] running `Command { std: "docker" "inspect" "364921f15187b1ac91a05d0e0ecbe62df02ddfbc6056e0cfd411eac6edb665cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "364921f15187b1ac91a05d0e0ecbe62df02ddfbc6056e0cfd411eac6edb665cd", kill_on_drop: false }`
[INFO] [stdout] 364921f15187b1ac91a05d0e0ecbe62df02ddfbc6056e0cfd411eac6edb665cd