[INFO] cloning repository https://github.com/naftulikay/speedrace.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/naftulikay/speedrace.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaftulikay%2Fspeedrace.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaftulikay%2Fspeedrace.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd735eba5cdb8abf28f71f9eedc36078baf26ef5
[INFO] testing naftulikay/speedrace.rs against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaftulikay%2Fspeedrace.rs" "/workspace/builds/worker-44/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-44/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/naftulikay/speedrace.rs 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/naftulikay/speedrace.rs
[INFO] finished tweaking git repo https://github.com/naftulikay/speedrace.rs
[INFO] tweaked toml for git repo https://github.com/naftulikay/speedrace.rs written to /workspace/builds/worker-44/source/Cargo.toml
[INFO] crate git repo https://github.com/naftulikay/speedrace.rs 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] [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-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] 2e98d865208f10b7570836c523657cac064de65d4cb760e201d0eb1c49bcccf1
[INFO] running `Command { std: "docker" "start" "-a" "2e98d865208f10b7570836c523657cac064de65d4cb760e201d0eb1c49bcccf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e98d865208f10b7570836c523657cac064de65d4cb760e201d0eb1c49bcccf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e98d865208f10b7570836c523657cac064de65d4cb760e201d0eb1c49bcccf1", kill_on_drop: false }`
[INFO] [stdout] 2e98d865208f10b7570836c523657cac064de65d4cb760e201d0eb1c49bcccf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] 2695f6ef82d38e1f994f5b4a384bda7e7eb480011129a5523de782daf4446763
[INFO] running `Command { std: "docker" "start" "-a" "2695f6ef82d38e1f994f5b4a384bda7e7eb480011129a5523de782daf4446763", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.33
[INFO] [stderr]    Compiling stable_deref_trait v1.0.0
[INFO] [stderr]    Compiling smallvec v0.4.4
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling rand v0.3.17
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling parking_lot_core v0.2.6
[INFO] [stderr]    Compiling parking_lot v0.4.8
[INFO] [stderr]    Compiling speedracers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `w` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut w: u64 = 0;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_w` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.98s
[INFO] running `Command { std: "docker" "inspect" "2695f6ef82d38e1f994f5b4a384bda7e7eb480011129a5523de782daf4446763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2695f6ef82d38e1f994f5b4a384bda7e7eb480011129a5523de782daf4446763", kill_on_drop: false }`
[INFO] [stdout] 2695f6ef82d38e1f994f5b4a384bda7e7eb480011129a5523de782daf4446763
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] 8749e7a21a81e22429eddfcb235f95a52e3a68afd1db24aa7bed7ac17eb96a91
[INFO] running `Command { std: "docker" "start" "-a" "8749e7a21a81e22429eddfcb235f95a52e3a68afd1db24aa7bed7ac17eb96a91", kill_on_drop: false }`
[INFO] [stderr]    Compiling speedracers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `w` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut w: u64 = 0;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_w` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "8749e7a21a81e22429eddfcb235f95a52e3a68afd1db24aa7bed7ac17eb96a91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8749e7a21a81e22429eddfcb235f95a52e3a68afd1db24aa7bed7ac17eb96a91", kill_on_drop: false }`
[INFO] [stdout] 8749e7a21a81e22429eddfcb235f95a52e3a68afd1db24aa7bed7ac17eb96a91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] 8caedd367f12eb505b2171e0a1fde2f0aaec04c25a527b7781b047898b42ae88
[INFO] running `Command { std: "docker" "start" "-a" "8caedd367f12eb505b2171e0a1fde2f0aaec04c25a527b7781b047898b42ae88", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: variable `w` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let mut w: u64 = 0;
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_w` instead
[INFO] [stderr] 
[INFO] [stderr] warning: `speedracers` (bin "speedracers" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/speedracers-34475ea047f6cc33)
[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" "8caedd367f12eb505b2171e0a1fde2f0aaec04c25a527b7781b047898b42ae88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8caedd367f12eb505b2171e0a1fde2f0aaec04c25a527b7781b047898b42ae88", kill_on_drop: false }`
[INFO] [stdout] 8caedd367f12eb505b2171e0a1fde2f0aaec04c25a527b7781b047898b42ae88