[INFO] fetching crate tribers-linker 0.1.0...
[INFO] building tribers-linker-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate tribers-linker 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate tribers-linker 0.1.0
[INFO] finished tweaking crates.io crate tribers-linker 0.1.0
[INFO] tweaked toml for crates.io crate tribers-linker 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tribers-linker 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-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] 208246f656a2e0644cf555b4012f0e5c6b3e902fea99cac68b5d219d812d3556
[INFO] running `Command { std: "docker" "start" "-a" "208246f656a2e0644cf555b4012f0e5c6b3e902fea99cac68b5d219d812d3556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "208246f656a2e0644cf555b4012f0e5c6b3e902fea99cac68b5d219d812d3556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "208246f656a2e0644cf555b4012f0e5c6b3e902fea99cac68b5d219d812d3556", kill_on_drop: false }`
[INFO] [stdout] 208246f656a2e0644cf555b4012f0e5c6b3e902fea99cac68b5d219d812d3556
[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] 1fb8366c396d56dd74a98e598897e3bcef21c7ec18947cf000b52f4cb591b41c
[INFO] running `Command { std: "docker" "start" "-a" "1fb8366c396d56dd74a98e598897e3bcef21c7ec18947cf000b52f4cb591b41c", kill_on_drop: false }`
[INFO] [stderr]    Compiling tribers-linker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "1fb8366c396d56dd74a98e598897e3bcef21c7ec18947cf000b52f4cb591b41c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fb8366c396d56dd74a98e598897e3bcef21c7ec18947cf000b52f4cb591b41c", kill_on_drop: false }`
[INFO] [stdout] 1fb8366c396d56dd74a98e598897e3bcef21c7ec18947cf000b52f4cb591b41c
[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] c4adbdecb67bb3bb022dcfa798e4457649525e9be4fd017bb35015646a1fd62a
[INFO] running `Command { std: "docker" "start" "-a" "c4adbdecb67bb3bb022dcfa798e4457649525e9be4fd017bb35015646a1fd62a", kill_on_drop: false }`
[INFO] [stderr]    Compiling tribers-linker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "c4adbdecb67bb3bb022dcfa798e4457649525e9be4fd017bb35015646a1fd62a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4adbdecb67bb3bb022dcfa798e4457649525e9be4fd017bb35015646a1fd62a", kill_on_drop: false }`
[INFO] [stdout] c4adbdecb67bb3bb022dcfa798e4457649525e9be4fd017bb35015646a1fd62a