[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] checking deneut/rust-serialization-benchmark against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeneut%2Frust-serialization-benchmark" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/deneut/rust-serialization-benchmark on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "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-0/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" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76c8d302a5efcee1cf89a37fc6d0b5dd2e373eb9b0870bfa669f8214db32ea7c
[INFO] running `Command { std: "docker" "start" "-a" "76c8d302a5efcee1cf89a37fc6d0b5dd2e373eb9b0870bfa669f8214db32ea7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76c8d302a5efcee1cf89a37fc6d0b5dd2e373eb9b0870bfa669f8214db32ea7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76c8d302a5efcee1cf89a37fc6d0b5dd2e373eb9b0870bfa669f8214db32ea7c", kill_on_drop: false }`
[INFO] [stdout] 76c8d302a5efcee1cf89a37fc6d0b5dd2e373eb9b0870bfa669f8214db32ea7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf2c31312e798bfe35c327f04d086d95487510308bce00f46b2dd1418900cedc
[INFO] running `Command { std: "docker" "start" "-a" "cf2c31312e798bfe35c327f04d086d95487510308bce00f46b2dd1418900cedc", kill_on_drop: false }`
[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]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rust-serialization-benchmark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.61s
[INFO] running `Command { std: "docker" "inspect" "cf2c31312e798bfe35c327f04d086d95487510308bce00f46b2dd1418900cedc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf2c31312e798bfe35c327f04d086d95487510308bce00f46b2dd1418900cedc", kill_on_drop: false }`
[INFO] [stdout] cf2c31312e798bfe35c327f04d086d95487510308bce00f46b2dd1418900cedc