[INFO] cloning repository https://github.com/beeper/synapse
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/beeper/synapse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeeper%2Fsynapse", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeeper%2Fsynapse'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cecd55c94437b8222585bf96c837b12a405fa9c5
[INFO] checking beeper/synapse against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeeper%2Fsynapse" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/beeper/synapse on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/beeper/synapse
[INFO] finished tweaking git repo https://github.com/beeper/synapse
[INFO] tweaked toml for git repo https://github.com/beeper/synapse written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/beeper/synapse 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3-log v0.10.0
[INFO] [stderr]   Downloaded pythonize v0.21.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d65023ad1eabcbe60c680f7ab4f3f059a41f33691c465e0e4bbad28faebbd09a
[INFO] running `Command { std: "docker" "start" "-a" "d65023ad1eabcbe60c680f7ab4f3f059a41f33691c465e0e4bbad28faebbd09a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d65023ad1eabcbe60c680f7ab4f3f059a41f33691c465e0e4bbad28faebbd09a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d65023ad1eabcbe60c680f7ab4f3f059a41f33691c465e0e4bbad28faebbd09a", kill_on_drop: false }`
[INFO] [stdout] d65023ad1eabcbe60c680f7ab4f3f059a41f33691c465e0e4bbad28faebbd09a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cec359dc04f4492b6cb2e55af0e5688105310483eeed8deb5200a6a5ad9aa744
[INFO] running `Command { std: "docker" "start" "-a" "cec359dc04f4492b6cb2e55af0e5688105310483eeed8deb5200a6a5ad9aa744", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.14
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.61
[INFO] [stderr]     Checking parking_lot v0.12.2
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]     Checking unindent v0.2.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking headers-core v0.3.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking arc-swap v1.7.1
[INFO] [stderr]    Compiling pyo3-build-config v0.21.2
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking headers v0.4.0
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking ulid v1.1.2
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling synapse v0.1.0 (/opt/rustwide/workdir/rust)
[INFO] [stderr]    Compiling pyo3-ffi v0.21.2
[INFO] [stderr]    Compiling pyo3 v0.21.2
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]    Compiling pyo3-macros-backend v0.21.2
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]    Compiling pyo3-macros v0.21.2
[INFO] [stderr]     Checking serde_json v1.0.117
[INFO] [stderr]     Checking pythonize v0.21.1
[INFO] [stderr]     Checking pyo3-log v0.10.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.46s
[INFO] running `Command { std: "docker" "inspect" "cec359dc04f4492b6cb2e55af0e5688105310483eeed8deb5200a6a5ad9aa744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cec359dc04f4492b6cb2e55af0e5688105310483eeed8deb5200a6a5ad9aa744", kill_on_drop: false }`
[INFO] [stdout] cec359dc04f4492b6cb2e55af0e5688105310483eeed8deb5200a6a5ad9aa744
[INFO] checking beeper/synapse against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeeper%2Fsynapse" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/beeper/synapse on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/beeper/synapse
[INFO] finished tweaking git repo https://github.com/beeper/synapse
[INFO] tweaked toml for git repo https://github.com/beeper/synapse written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/beeper/synapse 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3291a2eca02f8b2565d9a9991ceb613961aeee9f55053b9a502033cd22338b47
[INFO] running `Command { std: "docker" "start" "-a" "3291a2eca02f8b2565d9a9991ceb613961aeee9f55053b9a502033cd22338b47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3291a2eca02f8b2565d9a9991ceb613961aeee9f55053b9a502033cd22338b47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3291a2eca02f8b2565d9a9991ceb613961aeee9f55053b9a502033cd22338b47", kill_on_drop: false }`
[INFO] [stdout] 3291a2eca02f8b2565d9a9991ceb613961aeee9f55053b9a502033cd22338b47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09c1bdb0dc4790b5c526a238a366d4d7886bcefd39cd5f78c5c3ce05a9eb55d0
[INFO] running `Command { std: "docker" "start" "-a" "09c1bdb0dc4790b5c526a238a366d4d7886bcefd39cd5f78c5c3ce05a9eb55d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.14
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling syn v2.0.61
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]     Checking parking_lot v0.12.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking unindent v0.2.3
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]    Compiling pyo3-build-config v0.21.2
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]     Checking headers-core v0.3.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]     Checking arc-swap v1.7.1
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking headers v0.4.0
[INFO] [stderr]     Checking ulid v1.1.2
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling synapse v0.1.0 (/opt/rustwide/workdir/rust)
[INFO] [stderr]    Compiling pyo3-ffi v0.21.2
[INFO] [stderr]    Compiling pyo3 v0.21.2
[INFO] [stderr]    Compiling pyo3-macros-backend v0.21.2
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]    Compiling pyo3-macros v0.21.2
[INFO] [stderr]     Checking serde_json v1.0.117
[INFO] [stderr]     Checking pyo3-log v0.10.0
[INFO] [stderr]     Checking pythonize v0.21.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.89s
[INFO] running `Command { std: "docker" "inspect" "09c1bdb0dc4790b5c526a238a366d4d7886bcefd39cd5f78c5c3ce05a9eb55d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09c1bdb0dc4790b5c526a238a366d4d7886bcefd39cd5f78c5c3ce05a9eb55d0", kill_on_drop: false }`
[INFO] [stdout] 09c1bdb0dc4790b5c526a238a366d4d7886bcefd39cd5f78c5c3ce05a9eb55d0