[INFO] cloning repository https://github.com/J-TAG/rust-json-benchmark
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/J-TAG/rust-json-benchmark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJ-TAG%2Frust-json-benchmark", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJ-TAG%2Frust-json-benchmark'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95820a1ad37589481f91a79dec1b171cf0f2530f
[INFO] testing J-TAG/rust-json-benchmark against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJ-TAG%2Frust-json-benchmark" "/workspace/builds/worker-86/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-86/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/J-TAG/rust-json-benchmark on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/J-TAG/rust-json-benchmark
[INFO] finished tweaking git repo https://github.com/J-TAG/rust-json-benchmark
[INFO] tweaked toml for git repo https://github.com/J-TAG/rust-json-benchmark written to /workspace/builds/worker-86/source/Cargo.toml
[INFO] crate git repo https://github.com/J-TAG/rust-json-benchmark already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16cdf9cb03415a14572e0da770c184dcf1023f62098e876b6e4809f7dd0d70e4
[INFO] running `Command { std: "docker" "start" "-a" "16cdf9cb03415a14572e0da770c184dcf1023f62098e876b6e4809f7dd0d70e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16cdf9cb03415a14572e0da770c184dcf1023f62098e876b6e4809f7dd0d70e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16cdf9cb03415a14572e0da770c184dcf1023f62098e876b6e4809f7dd0d70e4", kill_on_drop: false }`
[INFO] [stdout] 16cdf9cb03415a14572e0da770c184dcf1023f62098e876b6e4809f7dd0d70e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdb061d4e3e6b5335978e32e45fa70bd0ffe4c768e0139e7064f12e01b5e8ef8
[INFO] running `Command { std: "docker" "start" "-a" "bdb061d4e3e6b5335978e32e45fa70bd0ffe4c768e0139e7064f12e01b5e8ef8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling rust-json-benchmark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.90s
[INFO] running `Command { std: "docker" "inspect" "bdb061d4e3e6b5335978e32e45fa70bd0ffe4c768e0139e7064f12e01b5e8ef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdb061d4e3e6b5335978e32e45fa70bd0ffe4c768e0139e7064f12e01b5e8ef8", kill_on_drop: false }`
[INFO] [stdout] bdb061d4e3e6b5335978e32e45fa70bd0ffe4c768e0139e7064f12e01b5e8ef8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e097a5830a519caea29dc35fca4cb897ae702a68e341fc0e4d323cb7403c62c2
[INFO] running `Command { std: "docker" "start" "-a" "e097a5830a519caea29dc35fca4cb897ae702a68e341fc0e4d323cb7403c62c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-json-benchmark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "e097a5830a519caea29dc35fca4cb897ae702a68e341fc0e4d323cb7403c62c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e097a5830a519caea29dc35fca4cb897ae702a68e341fc0e4d323cb7403c62c2", kill_on_drop: false }`
[INFO] [stdout] e097a5830a519caea29dc35fca4cb897ae702a68e341fc0e4d323cb7403c62c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d96ece2ef12ad5cd439fb6ab442413e09d894b60844a3c99f0b4954cf0113b38
[INFO] running `Command { std: "docker" "start" "-a" "d96ece2ef12ad5cd439fb6ab442413e09d894b60844a3c99f0b4954cf0113b38", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_json_benchmark-e3a25311b3d0f301)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d96ece2ef12ad5cd439fb6ab442413e09d894b60844a3c99f0b4954cf0113b38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d96ece2ef12ad5cd439fb6ab442413e09d894b60844a3c99f0b4954cf0113b38", kill_on_drop: false }`
[INFO] [stdout] d96ece2ef12ad5cd439fb6ab442413e09d894b60844a3c99f0b4954cf0113b38