[INFO] fetching crate synchro_core 0.1.0...
[INFO] testing synchro_core-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate synchro_core 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate synchro_core 0.1.0
[INFO] finished tweaking crates.io crate synchro_core 0.1.0
[INFO] tweaked toml for crates.io crate synchro_core 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate synchro_core 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate synchro_core 0.1.0 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4eb482194ccb85d3f80eb4e1229d558a11cb30b0173cf1a9411473e1c840b0a
[INFO] running `Command { std: "docker" "start" "-a" "b4eb482194ccb85d3f80eb4e1229d558a11cb30b0173cf1a9411473e1c840b0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4eb482194ccb85d3f80eb4e1229d558a11cb30b0173cf1a9411473e1c840b0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4eb482194ccb85d3f80eb4e1229d558a11cb30b0173cf1a9411473e1c840b0a", kill_on_drop: false }`
[INFO] [stdout] b4eb482194ccb85d3f80eb4e1229d558a11cb30b0173cf1a9411473e1c840b0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5808dc8fcf4dfe6e86633ba3b99051c2bf259e4e6da61172b79242ad59ce2149
[INFO] running `Command { std: "docker" "start" "-a" "5808dc8fcf4dfe6e86633ba3b99051c2bf259e4e6da61172b79242ad59ce2149", kill_on_drop: false }`
[INFO] [stderr]    Compiling synchro_core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "5808dc8fcf4dfe6e86633ba3b99051c2bf259e4e6da61172b79242ad59ce2149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5808dc8fcf4dfe6e86633ba3b99051c2bf259e4e6da61172b79242ad59ce2149", kill_on_drop: false }`
[INFO] [stdout] 5808dc8fcf4dfe6e86633ba3b99051c2bf259e4e6da61172b79242ad59ce2149
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5191e0f9c27bb525a824d35b24cda63e9344666e4f192e1850d63bf97f953b8
[INFO] running `Command { std: "docker" "start" "-a" "d5191e0f9c27bb525a824d35b24cda63e9344666e4f192e1850d63bf97f953b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling synchro_core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "d5191e0f9c27bb525a824d35b24cda63e9344666e4f192e1850d63bf97f953b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5191e0f9c27bb525a824d35b24cda63e9344666e4f192e1850d63bf97f953b8", kill_on_drop: false }`
[INFO] [stdout] d5191e0f9c27bb525a824d35b24cda63e9344666e4f192e1850d63bf97f953b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d15472654fb80ef4a2b6c0d113e21990c1336feb694d76d11f6d5308e5becba9
[INFO] running `Command { std: "docker" "start" "-a" "d15472654fb80ef4a2b6c0d113e21990c1336feb694d76d11f6d5308e5becba9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/synchro_core-7d6e06f720a57a04)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d15472654fb80ef4a2b6c0d113e21990c1336feb694d76d11f6d5308e5becba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d15472654fb80ef4a2b6c0d113e21990c1336feb694d76d11f6d5308e5becba9", kill_on_drop: false }`
[INFO] [stdout] d15472654fb80ef4a2b6c0d113e21990c1336feb694d76d11f6d5308e5becba9