[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 try#7424ce9ff9baac3e9d9f5dd3c85828cddea0134d for pr-136776-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAhmer-rehman%2Fsynapse" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[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-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Ahmer-rehman/synapse on toolchain 7424ce9ff9baac3e9d9f5dd3c85828cddea0134d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b9576ed8d2b2b986573b763fe156b58c1133c75d298ccb0ebcaad9cf016c930
[INFO] running `Command { std: "docker" "start" "-a" "4b9576ed8d2b2b986573b763fe156b58c1133c75d298ccb0ebcaad9cf016c930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b9576ed8d2b2b986573b763fe156b58c1133c75d298ccb0ebcaad9cf016c930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b9576ed8d2b2b986573b763fe156b58c1133c75d298ccb0ebcaad9cf016c930", kill_on_drop: false }`
[INFO] [stdout] 4b9576ed8d2b2b986573b763fe156b58c1133c75d298ccb0ebcaad9cf016c930
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b57cd1bc82a0f361a35dd353cc4a9af17efdb7bc7636d396b77c50d79d28a01f
[INFO] running `Command { std: "docker" "start" "-a" "b57cd1bc82a0f361a35dd353cc4a9af17efdb7bc7636d396b77c50d79d28a01f", 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]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling serde v1.0.206
[INFO] [stderr]     Checking unindent v0.2.3
[INFO] [stderr]     Checking bytes v1.7.1
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]    Compiling serde_json v1.0.124
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]     Checking headers-core v0.3.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking headers v0.4.0
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling pyo3-build-config v0.21.2
[INFO] [stderr]     Checking parking_lot v0.12.2
[INFO] [stderr]    Compiling syn v2.0.61
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]    Compiling synapse v0.1.0 (/opt/rustwide/workdir/rust)
[INFO] [stderr]     Checking ulid v1.1.3
[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]    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 25.74s
[INFO] running `Command { std: "docker" "inspect" "b57cd1bc82a0f361a35dd353cc4a9af17efdb7bc7636d396b77c50d79d28a01f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b57cd1bc82a0f361a35dd353cc4a9af17efdb7bc7636d396b77c50d79d28a01f", kill_on_drop: false }`
[INFO] [stdout] b57cd1bc82a0f361a35dd353cc4a9af17efdb7bc7636d396b77c50d79d28a01f
