[INFO] cloning repository https://github.com/deneut/rust-serialization-benchmark
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/deneut/rust-serialization-benchmark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeneut%2Frust-serialization-benchmark", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeneut%2Frust-serialization-benchmark'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4e0302a18397734f08dbeb8dc2e4970299f097a
[INFO] testing deneut/rust-serialization-benchmark against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeneut%2Frust-serialization-benchmark" "/workspace/builds/worker-92/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-92/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/deneut/rust-serialization-benchmark on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/deneut/rust-serialization-benchmark
[INFO] finished tweaking git repo https://github.com/deneut/rust-serialization-benchmark
[INFO] tweaked toml for git repo https://github.com/deneut/rust-serialization-benchmark written to /workspace/builds/worker-92/source/Cargo.toml
[INFO] crate git repo https://github.com/deneut/rust-serialization-benchmark already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54357ff7cace33c3a00e5b495ecc70b61b697e080e30310401a2c42ff930e7f7
[INFO] running `Command { std: "docker" "start" "-a" "54357ff7cace33c3a00e5b495ecc70b61b697e080e30310401a2c42ff930e7f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54357ff7cace33c3a00e5b495ecc70b61b697e080e30310401a2c42ff930e7f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54357ff7cace33c3a00e5b495ecc70b61b697e080e30310401a2c42ff930e7f7", kill_on_drop: false }`
[INFO] [stdout] 54357ff7cace33c3a00e5b495ecc70b61b697e080e30310401a2c42ff930e7f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0083d921f9344dbd1a10a9c9300ea95cc6b395bf71d0b2fed59bf5885c0b0898
[INFO] running `Command { std: "docker" "start" "-a" "0083d921f9344dbd1a10a9c9300ea95cc6b395bf71d0b2fed59bf5885c0b0898", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rust-serialization-benchmark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.21s
[INFO] running `Command { std: "docker" "inspect" "0083d921f9344dbd1a10a9c9300ea95cc6b395bf71d0b2fed59bf5885c0b0898", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0083d921f9344dbd1a10a9c9300ea95cc6b395bf71d0b2fed59bf5885c0b0898", kill_on_drop: false }`
[INFO] [stdout] 0083d921f9344dbd1a10a9c9300ea95cc6b395bf71d0b2fed59bf5885c0b0898
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c6d9c953a9401dfb15387cd912a676c9cfcf9abc4b46e87049f1671c6c0493d
[INFO] running `Command { std: "docker" "start" "-a" "3c6d9c953a9401dfb15387cd912a676c9cfcf9abc4b46e87049f1671c6c0493d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-serialization-benchmark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "3c6d9c953a9401dfb15387cd912a676c9cfcf9abc4b46e87049f1671c6c0493d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c6d9c953a9401dfb15387cd912a676c9cfcf9abc4b46e87049f1671c6c0493d", kill_on_drop: false }`
[INFO] [stdout] 3c6d9c953a9401dfb15387cd912a676c9cfcf9abc4b46e87049f1671c6c0493d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 03a0547708225c38959e51e1164e5c2067b72cc0129c19a89b6c4c026b9bb29d
[INFO] running `Command { std: "docker" "start" "-a" "03a0547708225c38959e51e1164e5c2067b72cc0129c19a89b6c4c026b9bb29d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.68s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_serialization_benchmark-0c9d63a1c71795f9)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::one_object ... ok
[INFO] [stdout] test tests::many_objects ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "03a0547708225c38959e51e1164e5c2067b72cc0129c19a89b6c4c026b9bb29d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03a0547708225c38959e51e1164e5c2067b72cc0129c19a89b6c4c026b9bb29d", kill_on_drop: false }`
[INFO] [stdout] 03a0547708225c38959e51e1164e5c2067b72cc0129c19a89b6c4c026b9bb29d