[INFO] fetching crate syncgroup 0.1.1...
[INFO] testing syncgroup-0.1.1 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate syncgroup 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate syncgroup 0.1.1
[INFO] finished tweaking crates.io crate syncgroup 0.1.1
[INFO] tweaked toml for crates.io crate syncgroup 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate syncgroup 0.1.1 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate syncgroup 0.1.1 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c806ca6abf405b1093b4a0e3f8a8ed7f4908fc3fc29447369f7ce6aa7a137fb
[INFO] running `Command { std: "docker" "start" "-a" "4c806ca6abf405b1093b4a0e3f8a8ed7f4908fc3fc29447369f7ce6aa7a137fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c806ca6abf405b1093b4a0e3f8a8ed7f4908fc3fc29447369f7ce6aa7a137fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c806ca6abf405b1093b4a0e3f8a8ed7f4908fc3fc29447369f7ce6aa7a137fb", kill_on_drop: false }`
[INFO] [stdout] 4c806ca6abf405b1093b4a0e3f8a8ed7f4908fc3fc29447369f7ce6aa7a137fb
[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" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05e928b448dd9d8b2f0a72e95e00d43f6c5aa818165e77b14d91dda6ffcbc94e
[INFO] running `Command { std: "docker" "start" "-a" "05e928b448dd9d8b2f0a72e95e00d43f6c5aa818165e77b14d91dda6ffcbc94e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syncgroup v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "05e928b448dd9d8b2f0a72e95e00d43f6c5aa818165e77b14d91dda6ffcbc94e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05e928b448dd9d8b2f0a72e95e00d43f6c5aa818165e77b14d91dda6ffcbc94e", kill_on_drop: false }`
[INFO] [stdout] 05e928b448dd9d8b2f0a72e95e00d43f6c5aa818165e77b14d91dda6ffcbc94e
[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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ea14a7b9c17657e453f1612a6640e4fd800ddd1d9d1e41c4630ea93e5a8b53f
[INFO] running `Command { std: "docker" "start" "-a" "9ea14a7b9c17657e453f1612a6640e4fd800ddd1d9d1e41c4630ea93e5a8b53f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syncgroup v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "9ea14a7b9c17657e453f1612a6640e4fd800ddd1d9d1e41c4630ea93e5a8b53f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ea14a7b9c17657e453f1612a6640e4fd800ddd1d9d1e41c4630ea93e5a8b53f", kill_on_drop: false }`
[INFO] [stdout] 9ea14a7b9c17657e453f1612a6640e4fd800ddd1d9d1e41c4630ea93e5a8b53f
[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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 11b05b7de61f18ed8fa020db0339da1dd6d4bff087573e8042069be26e827c9d
[INFO] running `Command { std: "docker" "start" "-a" "11b05b7de61f18ed8fa020db0339da1dd6d4bff087573e8042069be26e827c9d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/syncgroup-bd9c994e90d8d55f)
[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" "11b05b7de61f18ed8fa020db0339da1dd6d4bff087573e8042069be26e827c9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11b05b7de61f18ed8fa020db0339da1dd6d4bff087573e8042069be26e827c9d", kill_on_drop: false }`
[INFO] [stdout] 11b05b7de61f18ed8fa020db0339da1dd6d4bff087573e8042069be26e827c9d