[INFO] fetching crate mithril-build-script 0.2.26...
[INFO] building mithril-build-script-0.2.26 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate mithril-build-script 0.2.26 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate mithril-build-script 0.2.26
[INFO] finished tweaking crates.io crate mithril-build-script 0.2.26
[INFO] tweaked toml for crates.io crate mithril-build-script 0.2.26 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mithril-build-script 0.2.26 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 mithril-build-script 0.2.26 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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6e306bd17a3abce7535bcd13df25165f78704167c849cd819d6dc0481bc5f7d7
[INFO] running `Command { std: "docker" "start" "-a" "6e306bd17a3abce7535bcd13df25165f78704167c849cd819d6dc0481bc5f7d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e306bd17a3abce7535bcd13df25165f78704167c849cd819d6dc0481bc5f7d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e306bd17a3abce7535bcd13df25165f78704167c849cd819d6dc0481bc5f7d7", kill_on_drop: false }`
[INFO] [stdout] 6e306bd17a3abce7535bcd13df25165f78704167c849cd819d6dc0481bc5f7d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 189b8911936788c8dd173c645584e0fb19b9fb35e37c4d6de4c7ee86cc7b8967
[INFO] running `Command { std: "docker" "start" "-a" "189b8911936788c8dd173c645584e0fb19b9fb35e37c4d6de4c7ee86cc7b8967", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_yml v0.0.12
[INFO] [stderr]    Compiling libyml v0.0.5
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling mithril-build-script v0.2.26 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.12s
[INFO] running `Command { std: "docker" "inspect" "189b8911936788c8dd173c645584e0fb19b9fb35e37c4d6de4c7ee86cc7b8967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "189b8911936788c8dd173c645584e0fb19b9fb35e37c4d6de4c7ee86cc7b8967", kill_on_drop: false }`
[INFO] [stdout] 189b8911936788c8dd173c645584e0fb19b9fb35e37c4d6de4c7ee86cc7b8967
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] cb35a1bdf082767337f694b00481dcf7f014bfcfcf45981a25f4e0d315e1432a
[INFO] running `Command { std: "docker" "start" "-a" "cb35a1bdf082767337f694b00481dcf7f014bfcfcf45981a25f4e0d315e1432a", kill_on_drop: false }`
[INFO] [stderr]    Compiling mithril-build-script v0.2.26 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.15s
[INFO] running `Command { std: "docker" "inspect" "cb35a1bdf082767337f694b00481dcf7f014bfcfcf45981a25f4e0d315e1432a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb35a1bdf082767337f694b00481dcf7f014bfcfcf45981a25f4e0d315e1432a", kill_on_drop: false }`
[INFO] [stdout] cb35a1bdf082767337f694b00481dcf7f014bfcfcf45981a25f4e0d315e1432a