[INFO] cloning repository https://github.com/sankar-boro/explorer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sankar-boro/explorer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsankar-boro%2Fexplorer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsankar-boro%2Fexplorer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ce877ff8bc5674d9899f7a649634fd3d58fc203
[INFO] building sankar-boro/explorer against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsankar-boro%2Fexplorer" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sankar-boro/explorer on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sankar-boro/explorer
[INFO] finished tweaking git repo https://github.com/sankar-boro/explorer
[INFO] tweaked toml for git repo https://github.com/sankar-boro/explorer written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sankar-boro/explorer 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded openssl-sys v0.9.91
[INFO] [stderr]   Downloaded cc v1.0.82
[INFO] [stderr]   Downloaded libz-sys v1.1.12
[INFO] [stderr]   Downloaded curl-sys v0.4.65+curl-8.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 176503ed60e6ad3082bef0c53830ab5777e0361f36ffb3f05e2ce03e7bb6cbc5
[INFO] running `Command { std: "docker" "start" "-a" "176503ed60e6ad3082bef0c53830ab5777e0361f36ffb3f05e2ce03e7bb6cbc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "176503ed60e6ad3082bef0c53830ab5777e0361f36ffb3f05e2ce03e7bb6cbc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "176503ed60e6ad3082bef0c53830ab5777e0361f36ffb3f05e2ce03e7bb6cbc5", kill_on_drop: false }`
[INFO] [stdout] 176503ed60e6ad3082bef0c53830ab5777e0361f36ffb3f05e2ce03e7bb6cbc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d243445daf99d008234687c58186726c3bc8dff47b9472cb782ca6561d4a9168
[INFO] running `Command { std: "docker" "start" "-a" "d243445daf99d008234687c58186726c3bc8dff47b9472cb782ca6561d4a9168", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling curl v0.4.44
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling cc v1.0.82
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling libz-sys v1.1.12
[INFO] [stderr]    Compiling openssl-sys v0.9.91
[INFO] [stderr]    Compiling curl-sys v0.4.65+curl-8.2.1
[INFO] [stderr]    Compiling backend v0.1.0 (/opt/rustwide/workdir/crates/backend)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.95s
[INFO] running `Command { std: "docker" "inspect" "d243445daf99d008234687c58186726c3bc8dff47b9472cb782ca6561d4a9168", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d243445daf99d008234687c58186726c3bc8dff47b9472cb782ca6561d4a9168", kill_on_drop: false }`
[INFO] [stdout] d243445daf99d008234687c58186726c3bc8dff47b9472cb782ca6561d4a9168
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7e9177fc1a86a25aaf29b1aecef1641463ac04a2b3d7200ea1b918136c85178
[INFO] running `Command { std: "docker" "start" "-a" "e7e9177fc1a86a25aaf29b1aecef1641463ac04a2b3d7200ea1b918136c85178", kill_on_drop: false }`
[INFO] [stderr]    Compiling backend v0.1.0 (/opt/rustwide/workdir/crates/backend)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "e7e9177fc1a86a25aaf29b1aecef1641463ac04a2b3d7200ea1b918136c85178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7e9177fc1a86a25aaf29b1aecef1641463ac04a2b3d7200ea1b918136c85178", kill_on_drop: false }`
[INFO] [stdout] e7e9177fc1a86a25aaf29b1aecef1641463ac04a2b3d7200ea1b918136c85178