[INFO] cloning repository https://github.com/FreeFly0125/rust-mock-chain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FreeFly0125/rust-mock-chain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeFly0125%2Frust-mock-chain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeFly0125%2Frust-mock-chain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f38fcf30ff5c1ef3c406589fb79c56956f5cb5cd
[INFO] building FreeFly0125/rust-mock-chain against try#58b1b3c5342a414c161338871f8004258ccef2a7 for pr-149937
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeFly0125%2Frust-mock-chain" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/FreeFly0125/rust-mock-chain
[INFO] finished tweaking git repo https://github.com/FreeFly0125/rust-mock-chain
[INFO] tweaked toml for git repo https://github.com/FreeFly0125/rust-mock-chain written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/FreeFly0125/rust-mock-chain on toolchain 58b1b3c5342a414c161338871f8004258ccef2a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/FreeFly0125/rust-mock-chain 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" "+58b1b3c5342a414c161338871f8004258ccef2a7" "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] 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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d9f1f832b8bee12c1a3688de1ac5ddb8086f301ec1c7daf2ec9b26d70cbe6b1
[INFO] running `Command { std: "docker" "start" "-a" "8d9f1f832b8bee12c1a3688de1ac5ddb8086f301ec1c7daf2ec9b26d70cbe6b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d9f1f832b8bee12c1a3688de1ac5ddb8086f301ec1c7daf2ec9b26d70cbe6b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d9f1f832b8bee12c1a3688de1ac5ddb8086f301ec1c7daf2ec9b26d70cbe6b1", kill_on_drop: false }`
[INFO] [stdout] 8d9f1f832b8bee12c1a3688de1ac5ddb8086f301ec1c7daf2ec9b26d70cbe6b1
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb23d12dc2a594b6f87e58684fc911c5caab07e3f6a2911b411befc083e2db2c
[INFO] running `Command { std: "docker" "start" "-a" "fb23d12dc2a594b6f87e58684fc911c5caab07e3f6a2911b411befc083e2db2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling tx-sequencing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "fb23d12dc2a594b6f87e58684fc911c5caab07e3f6a2911b411befc083e2db2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb23d12dc2a594b6f87e58684fc911c5caab07e3f6a2911b411befc083e2db2c", kill_on_drop: false }`
[INFO] [stdout] fb23d12dc2a594b6f87e58684fc911c5caab07e3f6a2911b411befc083e2db2c
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d63c25604c74664ffd4daff74829b2450b8f9e7a9766531c18fb1463f70132d
[INFO] running `Command { std: "docker" "start" "-a" "7d63c25604c74664ffd4daff74829b2450b8f9e7a9766531c18fb1463f70132d", kill_on_drop: false }`
[INFO] [stderr]    Compiling tx-sequencing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "7d63c25604c74664ffd4daff74829b2450b8f9e7a9766531c18fb1463f70132d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d63c25604c74664ffd4daff74829b2450b8f9e7a9766531c18fb1463f70132d", kill_on_drop: false }`
[INFO] [stdout] 7d63c25604c74664ffd4daff74829b2450b8f9e7a9766531c18fb1463f70132d