[INFO] fetching crate panic_discard 0.1.0...
[INFO] building panic_discard-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate panic_discard 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate panic_discard 0.1.0
[INFO] finished tweaking crates.io crate panic_discard 0.1.0
[INFO] tweaked toml for crates.io crate panic_discard 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate panic_discard 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[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] [stderr] warning: library `panic_discard` should only specify `proc-macro = true` instead of setting `crate-type`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 224bcf4448a04531e839e3d3c880264a2d08d2b0c6b102ea80b49af5656525f4
[INFO] running `Command { std: "docker" "start" "-a" "224bcf4448a04531e839e3d3c880264a2d08d2b0c6b102ea80b49af5656525f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "224bcf4448a04531e839e3d3c880264a2d08d2b0c6b102ea80b49af5656525f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "224bcf4448a04531e839e3d3c880264a2d08d2b0c6b102ea80b49af5656525f4", kill_on_drop: false }`
[INFO] [stdout] 224bcf4448a04531e839e3d3c880264a2d08d2b0c6b102ea80b49af5656525f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5675c26b65482a3b23fb6a22f955247f8ddcf4402ca8a2af1b4057a5587032ba
[INFO] running `Command { std: "docker" "start" "-a" "5675c26b65482a3b23fb6a22f955247f8ddcf4402ca8a2af1b4057a5587032ba", kill_on_drop: false }`
[INFO] [stderr] warning: library `panic_discard` should only specify `proc-macro = true` instead of setting `crate-type`
[INFO] [stderr]    Compiling panic_discard v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "5675c26b65482a3b23fb6a22f955247f8ddcf4402ca8a2af1b4057a5587032ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5675c26b65482a3b23fb6a22f955247f8ddcf4402ca8a2af1b4057a5587032ba", kill_on_drop: false }`
[INFO] [stdout] 5675c26b65482a3b23fb6a22f955247f8ddcf4402ca8a2af1b4057a5587032ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] fffb67a1098d6be61e775aad7816dddd63b6acfd3c5404247131bbc06d9f5993
[INFO] running `Command { std: "docker" "start" "-a" "fffb67a1098d6be61e775aad7816dddd63b6acfd3c5404247131bbc06d9f5993", kill_on_drop: false }`
[INFO] [stderr] warning: library `panic_discard` should only specify `proc-macro = true` instead of setting `crate-type`
[INFO] [stderr]    Compiling panic_discard v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "fffb67a1098d6be61e775aad7816dddd63b6acfd3c5404247131bbc06d9f5993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fffb67a1098d6be61e775aad7816dddd63b6acfd3c5404247131bbc06d9f5993", kill_on_drop: false }`
[INFO] [stdout] fffb67a1098d6be61e775aad7816dddd63b6acfd3c5404247131bbc06d9f5993
