[INFO] fetching crate spellcast_solver 0.4.4...
[INFO] building spellcast_solver-0.4.4 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate spellcast_solver 0.4.4 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate spellcast_solver 0.4.4
[INFO] finished tweaking crates.io crate spellcast_solver 0.4.4
[INFO] tweaked toml for crates.io crate spellcast_solver 0.4.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate spellcast_solver 0.4.4 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 spellcast_solver 0.4.4 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e6e7f7bab2a0a010549ba0cd0fbaeed8fc537ff5ed6bd6be0c5f08dfc37e6bf7
[INFO] running `Command { std: "docker" "start" "-a" "e6e7f7bab2a0a010549ba0cd0fbaeed8fc537ff5ed6bd6be0c5f08dfc37e6bf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6e7f7bab2a0a010549ba0cd0fbaeed8fc537ff5ed6bd6be0c5f08dfc37e6bf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6e7f7bab2a0a010549ba0cd0fbaeed8fc537ff5ed6bd6be0c5f08dfc37e6bf7", kill_on_drop: false }`
[INFO] [stdout] e6e7f7bab2a0a010549ba0cd0fbaeed8fc537ff5ed6bd6be0c5f08dfc37e6bf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 1aba0ad88f75ff203593c05eb958c8ff000e2a4493c7e1e99d8d0e5ef2eb4f93
[INFO] running `Command { std: "docker" "start" "-a" "1aba0ad88f75ff203593c05eb958c8ff000e2a4493c7e1e99d8d0e5ef2eb4f93", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-queue v0.3.11
[INFO] [stderr]    Compiling crossbeam-channel v0.5.13
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling spellcast_solver v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.12s
[INFO] running `Command { std: "docker" "inspect" "1aba0ad88f75ff203593c05eb958c8ff000e2a4493c7e1e99d8d0e5ef2eb4f93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aba0ad88f75ff203593c05eb958c8ff000e2a4493c7e1e99d8d0e5ef2eb4f93", kill_on_drop: false }`
[INFO] [stdout] 1aba0ad88f75ff203593c05eb958c8ff000e2a4493c7e1e99d8d0e5ef2eb4f93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0641c343cf6bb684105c3fd69ad5932fe12f01738a4da7a45045dca159f3593e
[INFO] running `Command { std: "docker" "start" "-a" "0641c343cf6bb684105c3fd69ad5932fe12f01738a4da7a45045dca159f3593e", kill_on_drop: false }`
[INFO] [stderr]    Compiling spellcast_solver v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "0641c343cf6bb684105c3fd69ad5932fe12f01738a4da7a45045dca159f3593e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0641c343cf6bb684105c3fd69ad5932fe12f01738a4da7a45045dca159f3593e", kill_on_drop: false }`
[INFO] [stdout] 0641c343cf6bb684105c3fd69ad5932fe12f01738a4da7a45045dca159f3593e