[INFO] fetching crate mta 0.0.0...
[INFO] building mta-0.0.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate mta 0.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate mta 0.0.0
[INFO] finished tweaking crates.io crate mta 0.0.0
[INFO] tweaked toml for crates.io crate mta 0.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mta 0.0.0 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 mta 0.0.0 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] d0974a25b31327ad41c65ee8a4f0d20f3c65a48b1ce4be7a9bf0856d824b0cdf
[INFO] running `Command { std: "docker" "start" "-a" "d0974a25b31327ad41c65ee8a4f0d20f3c65a48b1ce4be7a9bf0856d824b0cdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0974a25b31327ad41c65ee8a4f0d20f3c65a48b1ce4be7a9bf0856d824b0cdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0974a25b31327ad41c65ee8a4f0d20f3c65a48b1ce4be7a9bf0856d824b0cdf", kill_on_drop: false }`
[INFO] [stdout] d0974a25b31327ad41c65ee8a4f0d20f3c65a48b1ce4be7a9bf0856d824b0cdf
[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] 678aefca7daa5022912e552b9e1b891fdbe2d753d2dd913bd8eb805813d5d275
[INFO] running `Command { std: "docker" "start" "-a" "678aefca7daa5022912e552b9e1b891fdbe2d753d2dd913bd8eb805813d5d275", kill_on_drop: false }`
[INFO] [stderr]    Compiling mta v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "678aefca7daa5022912e552b9e1b891fdbe2d753d2dd913bd8eb805813d5d275", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "678aefca7daa5022912e552b9e1b891fdbe2d753d2dd913bd8eb805813d5d275", kill_on_drop: false }`
[INFO] [stdout] 678aefca7daa5022912e552b9e1b891fdbe2d753d2dd913bd8eb805813d5d275
[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] c1083c9302276c2cf1febbd981aca55dc2878f5ce46628c106142dd77307b6ee
[INFO] running `Command { std: "docker" "start" "-a" "c1083c9302276c2cf1febbd981aca55dc2878f5ce46628c106142dd77307b6ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling mta v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "c1083c9302276c2cf1febbd981aca55dc2878f5ce46628c106142dd77307b6ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1083c9302276c2cf1febbd981aca55dc2878f5ce46628c106142dd77307b6ee", kill_on_drop: false }`
[INFO] [stdout] c1083c9302276c2cf1febbd981aca55dc2878f5ce46628c106142dd77307b6ee