[INFO] fetching crate singleton-stepanov 1.1.0...
[INFO] testing singleton-stepanov-1.1.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate singleton-stepanov 1.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate singleton-stepanov 1.1.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate singleton-stepanov 1.1.0
[INFO] finished tweaking crates.io crate singleton-stepanov 1.1.0
[INFO] tweaked toml for crates.io crate singleton-stepanov 1.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebeea83ccd1aa8fbde2d120379544507aa5a37398ff8e533799b363433c1118f
[INFO] running `Command { std: "docker" "start" "-a" "ebeea83ccd1aa8fbde2d120379544507aa5a37398ff8e533799b363433c1118f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebeea83ccd1aa8fbde2d120379544507aa5a37398ff8e533799b363433c1118f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebeea83ccd1aa8fbde2d120379544507aa5a37398ff8e533799b363433c1118f", kill_on_drop: false }`
[INFO] [stdout] ebeea83ccd1aa8fbde2d120379544507aa5a37398ff8e533799b363433c1118f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33ed5202a3466c7734ad50d99dd7e4c125816738f50350f3a82da859ef18759a
[INFO] running `Command { std: "docker" "start" "-a" "33ed5202a3466c7734ad50d99dd7e4c125816738f50350f3a82da859ef18759a", kill_on_drop: false }`
[INFO] [stderr]    Compiling singleton-stepanov v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "33ed5202a3466c7734ad50d99dd7e4c125816738f50350f3a82da859ef18759a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33ed5202a3466c7734ad50d99dd7e4c125816738f50350f3a82da859ef18759a", kill_on_drop: false }`
[INFO] [stdout] 33ed5202a3466c7734ad50d99dd7e4c125816738f50350f3a82da859ef18759a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1941ad6594b875415e71dbb396b28eae51bf4cc8cbed665247e38a8a3a63ad27
[INFO] running `Command { std: "docker" "start" "-a" "1941ad6594b875415e71dbb396b28eae51bf4cc8cbed665247e38a8a3a63ad27", kill_on_drop: false }`
[INFO] [stderr]    Compiling singleton-stepanov v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "1941ad6594b875415e71dbb396b28eae51bf4cc8cbed665247e38a8a3a63ad27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1941ad6594b875415e71dbb396b28eae51bf4cc8cbed665247e38a8a3a63ad27", kill_on_drop: false }`
[INFO] [stdout] 1941ad6594b875415e71dbb396b28eae51bf4cc8cbed665247e38a8a3a63ad27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e9112717a60c2389930573b20b7478e70a708d7c6b2f5e3254c0f4fb8684e1d2
[INFO] running `Command { std: "docker" "start" "-a" "e9112717a60c2389930573b20b7478e70a708d7c6b2f5e3254c0f4fb8684e1d2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/singleton_stepanov-d342e09642b8132e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests singleton-stepanov
[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] [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" "e9112717a60c2389930573b20b7478e70a708d7c6b2f5e3254c0f4fb8684e1d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9112717a60c2389930573b20b7478e70a708d7c6b2f5e3254c0f4fb8684e1d2", kill_on_drop: false }`
[INFO] [stdout] e9112717a60c2389930573b20b7478e70a708d7c6b2f5e3254c0f4fb8684e1d2