[INFO] cloning repository https://github.com/vimwitch/bigint-benchmark
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vimwitch/bigint-benchmark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvimwitch%2Fbigint-benchmark", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvimwitch%2Fbigint-benchmark'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 035b636c90a8f5a181b169478046d2bca96c5f9f
[INFO] building vimwitch/bigint-benchmark 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%2Fvimwitch%2Fbigint-benchmark" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vimwitch/bigint-benchmark 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/vimwitch/bigint-benchmark
[INFO] finished tweaking git repo https://github.com/vimwitch/bigint-benchmark
[INFO] tweaked toml for git repo https://github.com/vimwitch/bigint-benchmark written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/vimwitch/bigint-benchmark 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ibig v0.3.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e0a3e9124413f6651005a45a1f2f3e2af0a90e62b159728df849f78f915e3141
[INFO] running `Command { std: "docker" "start" "-a" "e0a3e9124413f6651005a45a1f2f3e2af0a90e62b159728df849f78f915e3141", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0a3e9124413f6651005a45a1f2f3e2af0a90e62b159728df849f78f915e3141", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0a3e9124413f6651005a45a1f2f3e2af0a90e62b159728df849f78f915e3141", kill_on_drop: false }`
[INFO] [stdout] e0a3e9124413f6651005a45a1f2f3e2af0a90e62b159728df849f78f915e3141
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 97fc51ea68c62fa0ddcbb55be7f4f80a0c8eca12d53c87e9ba29c496f5af1f92
[INFO] running `Command { std: "docker" "start" "-a" "97fc51ea68c62fa0ddcbb55be7f4f80a0c8eca12d53c87e9ba29c496f5af1f92", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling crypto-bigint v0.5.2
[INFO] [stderr]    Compiling ibig v0.3.6
[INFO] [stderr]    Compiling bigint-benchmark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `test_num_bigint_modexp` is never used
[INFO] [stdout]   --> src/main.rs:85:4
[INFO] [stdout]    |
[INFO] [stdout] 85 | fn test_num_bigint_modexp(p_: u128) -> (Vec<u128>, Duration) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.39s
[INFO] running `Command { std: "docker" "inspect" "97fc51ea68c62fa0ddcbb55be7f4f80a0c8eca12d53c87e9ba29c496f5af1f92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97fc51ea68c62fa0ddcbb55be7f4f80a0c8eca12d53c87e9ba29c496f5af1f92", kill_on_drop: false }`
[INFO] [stdout] 97fc51ea68c62fa0ddcbb55be7f4f80a0c8eca12d53c87e9ba29c496f5af1f92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1bee08b342e64011d30bf73c52abf0d5aef873e0b2d857a64ed2cbe31f7f3dd1
[INFO] running `Command { std: "docker" "start" "-a" "1bee08b342e64011d30bf73c52abf0d5aef873e0b2d857a64ed2cbe31f7f3dd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling bigint-benchmark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `test_num_bigint_modexp` is never used
[INFO] [stdout]   --> src/main.rs:85:4
[INFO] [stdout]    |
[INFO] [stdout] 85 | fn test_num_bigint_modexp(p_: u128) -> (Vec<u128>, Duration) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "1bee08b342e64011d30bf73c52abf0d5aef873e0b2d857a64ed2cbe31f7f3dd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bee08b342e64011d30bf73c52abf0d5aef873e0b2d857a64ed2cbe31f7f3dd1", kill_on_drop: false }`
[INFO] [stdout] 1bee08b342e64011d30bf73c52abf0d5aef873e0b2d857a64ed2cbe31f7f3dd1