[INFO] cloning repository https://github.com/AnicetNgrt/dichotomy_benchmark
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AnicetNgrt/dichotomy_benchmark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnicetNgrt%2Fdichotomy_benchmark", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnicetNgrt%2Fdichotomy_benchmark'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 816b8fc63fe2f9bb8692d2e6d851d626f05b3579
[INFO] checking AnicetNgrt/dichotomy_benchmark against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnicetNgrt%2Fdichotomy_benchmark" "/workspace/builds/worker-36/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-36/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AnicetNgrt/dichotomy_benchmark on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AnicetNgrt/dichotomy_benchmark
[INFO] finished tweaking git repo https://github.com/AnicetNgrt/dichotomy_benchmark
[INFO] tweaked toml for git repo https://github.com/AnicetNgrt/dichotomy_benchmark written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] crate git repo https://github.com/AnicetNgrt/dichotomy_benchmark already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4f169c7eeeb6562f2314f9d70dfe01590adc19d706e560960a743fcdc9dc7c5
[INFO] running `Command { std: "docker" "start" "-a" "f4f169c7eeeb6562f2314f9d70dfe01590adc19d706e560960a743fcdc9dc7c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4f169c7eeeb6562f2314f9d70dfe01590adc19d706e560960a743fcdc9dc7c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4f169c7eeeb6562f2314f9d70dfe01590adc19d706e560960a743fcdc9dc7c5", kill_on_drop: false }`
[INFO] [stdout] f4f169c7eeeb6562f2314f9d70dfe01590adc19d706e560960a743fcdc9dc7c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eea29e54353281661869acb8df4bdb341eb463480f58f9864b2c108893f276dd
[INFO] running `Command { std: "docker" "start" "-a" "eea29e54353281661869acb8df4bdb341eb463480f58f9864b2c108893f276dd", kill_on_drop: false }`
[INFO] [stderr]     Checking fastrand v1.4.1
[INFO] [stderr]     Checking dichotomy-benchmark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `min`
[INFO] [stdout]   --> src/lib.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub min: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max`
[INFO] [stdout]   --> src/lib.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub max: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `min`
[INFO] [stdout]   --> src/lib.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub min: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max`
[INFO] [stdout]   --> src/lib.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub max: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "eea29e54353281661869acb8df4bdb341eb463480f58f9864b2c108893f276dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eea29e54353281661869acb8df4bdb341eb463480f58f9864b2c108893f276dd", kill_on_drop: false }`
[INFO] [stdout] eea29e54353281661869acb8df4bdb341eb463480f58f9864b2c108893f276dd