[INFO] cloning repository https://github.com/Ahmer-rehman/synapse
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ahmer-rehman/synapse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAhmer-rehman%2Fsynapse", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAhmer-rehman%2Fsynapse'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 92b38c1afd1acd1b88b3ae313f05bcf1bec0e849
[INFO] checking Ahmer-rehman/synapse against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAhmer-rehman%2Fsynapse" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ahmer-rehman/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/Ahmer-rehman/synapse
[INFO] finished tweaking git repo https://github.com/Ahmer-rehman/synapse
[INFO] tweaked toml for git repo https://github.com/Ahmer-rehman/synapse written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Ahmer-rehman/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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3dd9e0385ffec11842cb851153b99a724920b4e0ced84c805e7db2dc28215091
[INFO] running `Command { std: "docker" "start" "-a" "3dd9e0385ffec11842cb851153b99a724920b4e0ced84c805e7db2dc28215091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3dd9e0385ffec11842cb851153b99a724920b4e0ced84c805e7db2dc28215091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dd9e0385ffec11842cb851153b99a724920b4e0ced84c805e7db2dc28215091", kill_on_drop: false }`
[INFO] [stdout] 3dd9e0385ffec11842cb851153b99a724920b4e0ced84c805e7db2dc28215091
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 453c6716d036c981be4d86c272fe046bd85eb5e58bf9ef5dc9ce29f44ad66e90
[INFO] running `Command { std: "docker" "start" "-a" "453c6716d036c981be4d86c272fe046bd85eb5e58bf9ef5dc9ce29f44ad66e90", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.14
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling proc-macro2 v1.0.82
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling serde v1.0.206
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]     Checking unindent v0.2.3
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]    Compiling serde_json v1.0.124
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking headers-core v0.3.0
[INFO] [stderr]     Checking arc-swap v1.7.1
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]    Compiling pyo3-build-config v0.21.2
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking headers v0.4.0
[INFO] [stderr]    Compiling syn v2.0.61
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling synapse v0.1.0 (/opt/rustwide/workdir/rust)
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking ulid v1.1.3
[INFO] [stderr]    Compiling pyo3-ffi v0.21.2
[INFO] [stderr]    Compiling pyo3 v0.21.2
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]    Compiling pyo3-macros-backend v0.21.2
[INFO] [stderr]    Compiling serde_derive v1.0.206
[INFO] [stderr]    Compiling pyo3-macros v0.21.2
[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 10.46s
[INFO] running `Command { std: "docker" "inspect" "453c6716d036c981be4d86c272fe046bd85eb5e58bf9ef5dc9ce29f44ad66e90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "453c6716d036c981be4d86c272fe046bd85eb5e58bf9ef5dc9ce29f44ad66e90", kill_on_drop: false }`
[INFO] [stdout] 453c6716d036c981be4d86c272fe046bd85eb5e58bf9ef5dc9ce29f44ad66e90
[INFO] checking Ahmer-rehman/synapse against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAhmer-rehman%2Fsynapse" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ahmer-rehman/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/Ahmer-rehman/synapse
[INFO] finished tweaking git repo https://github.com/Ahmer-rehman/synapse
[INFO] tweaked toml for git repo https://github.com/Ahmer-rehman/synapse written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Ahmer-rehman/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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a16ebd4ecc61106a5dfcc46817ba33253517034b419a48a746453b77a809cafb
[INFO] running `Command { std: "docker" "start" "-a" "a16ebd4ecc61106a5dfcc46817ba33253517034b419a48a746453b77a809cafb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a16ebd4ecc61106a5dfcc46817ba33253517034b419a48a746453b77a809cafb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a16ebd4ecc61106a5dfcc46817ba33253517034b419a48a746453b77a809cafb", kill_on_drop: false }`
[INFO] [stdout] a16ebd4ecc61106a5dfcc46817ba33253517034b419a48a746453b77a809cafb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8f672160c81df559b70938c7b10ff9b5547c378a70067537a0e1ece07f0d79e5
[INFO] running `Command { std: "docker" "start" "-a" "8f672160c81df559b70938c7b10ff9b5547c378a70067537a0e1ece07f0d79e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.14
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling proc-macro2 v1.0.82
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling serde v1.0.206
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking unindent v0.2.3
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]    Compiling serde_json v1.0.124
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]     Checking headers-core v0.3.0
[INFO] [stderr]     Checking arc-swap v1.7.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling pyo3-build-config v0.21.2
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling syn v2.0.61
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking parking_lot v0.12.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]     Checking headers v0.4.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling synapse v0.1.0 (/opt/rustwide/workdir/rust)
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking ulid v1.1.3
[INFO] [stderr]    Compiling pyo3-ffi v0.21.2
[INFO] [stderr]    Compiling pyo3 v0.21.2
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]    Compiling pyo3-macros-backend v0.21.2
[INFO] [stderr]    Compiling serde_derive v1.0.206
[INFO] [stderr]    Compiling pyo3-macros v0.21.2
[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 9.73s
[INFO] running `Command { std: "docker" "inspect" "8f672160c81df559b70938c7b10ff9b5547c378a70067537a0e1ece07f0d79e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f672160c81df559b70938c7b10ff9b5547c378a70067537a0e1ece07f0d79e5", kill_on_drop: false }`
[INFO] [stdout] 8f672160c81df559b70938c7b10ff9b5547c378a70067537a0e1ece07f0d79e5