[INFO] fetching crate buddy-system 0.2.0...
[INFO] testing buddy-system-0.2.0 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate buddy-system 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate buddy-system 0.2.0 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate buddy-system 0.2.0
[INFO] finished tweaking crates.io crate buddy-system 0.2.0
[INFO] tweaked toml for crates.io crate buddy-system 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbfc7c9580a23e8d87a103a32dcf64e5cb6f0d3b21b7220e67ce41c5578d2be1
[INFO] running `Command { std: "docker" "start" "-a" "fbfc7c9580a23e8d87a103a32dcf64e5cb6f0d3b21b7220e67ce41c5578d2be1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbfc7c9580a23e8d87a103a32dcf64e5cb6f0d3b21b7220e67ce41c5578d2be1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbfc7c9580a23e8d87a103a32dcf64e5cb6f0d3b21b7220e67ce41c5578d2be1", kill_on_drop: false }`
[INFO] [stdout] fbfc7c9580a23e8d87a103a32dcf64e5cb6f0d3b21b7220e67ce41c5578d2be1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffd3cbaf79a6e1db6fe5f289ad8c5a6885bd5323211b0c33ea092e85d5cc8912
[INFO] running `Command { std: "docker" "start" "-a" "ffd3cbaf79a6e1db6fe5f289ad8c5a6885bd5323211b0c33ea092e85d5cc8912", kill_on_drop: false }`
[INFO] [stderr]    Compiling generational-arena v0.2.9
[INFO] [stderr]    Compiling buddy-system v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `pretty_print::prettify`
[INFO] [stdout]  --> src/arena.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pretty_print::prettify,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "ffd3cbaf79a6e1db6fe5f289ad8c5a6885bd5323211b0c33ea092e85d5cc8912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffd3cbaf79a6e1db6fe5f289ad8c5a6885bd5323211b0c33ea092e85d5cc8912", kill_on_drop: false }`
[INFO] [stdout] ffd3cbaf79a6e1db6fe5f289ad8c5a6885bd5323211b0c33ea092e85d5cc8912
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e09b8f957cae6436b1a4bc765af7862aea5301a0bb371a99357a1581622e3ddd
[INFO] running `Command { std: "docker" "start" "-a" "e09b8f957cae6436b1a4bc765af7862aea5301a0bb371a99357a1581622e3ddd", kill_on_drop: false }`
[INFO] [stderr]    Compiling buddy-system v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `pretty_print::prettify`
[INFO] [stdout]  --> src/arena.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pretty_print::prettify,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a1`
[INFO] [stdout]    --> src/arena.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |     let a1 = arena.alloc(64).unwrap();
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_a1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a2`
[INFO] [stdout]    --> src/arena.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |     let a2 = arena.alloc(24).unwrap();
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_a2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a3`
[INFO] [stdout]    --> src/arena.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |     let a3 = arena.alloc(2).unwrap();
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_a3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a4`
[INFO] [stdout]    --> src/arena.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 176 |     let a4 = arena.alloc(7).unwrap();
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_a4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a5`
[INFO] [stdout]    --> src/arena.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |     let a5 = arena.alloc(31).unwrap();
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_a5`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a6`
[INFO] [stdout]    --> src/arena.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 178 |     let a6 = arena.alloc(60).unwrap();
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_a6`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "e09b8f957cae6436b1a4bc765af7862aea5301a0bb371a99357a1581622e3ddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e09b8f957cae6436b1a4bc765af7862aea5301a0bb371a99357a1581622e3ddd", kill_on_drop: false }`
[INFO] [stdout] e09b8f957cae6436b1a4bc765af7862aea5301a0bb371a99357a1581622e3ddd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 227cfc829f2b6f7a43c47967d7bc140c78f1bee661b55c7dd1ade341372c97d5
[INFO] running `Command { std: "docker" "start" "-a" "227cfc829f2b6f7a43c47967d7bc140c78f1bee661b55c7dd1ade341372c97d5", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `pretty_print::prettify`
[INFO] [stderr]  --> src/arena.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pretty_print::prettify,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `buddy-system` (lib) generated 1 warning (run `cargo fix --lib -p buddy-system` to apply 1 suggestion)
[INFO] [stderr] warning: unused variable: `a1`
[INFO] [stderr]    --> src/arena.rs:173:9
[INFO] [stderr]     |
[INFO] [stderr] 173 |     let a1 = arena.alloc(64).unwrap();
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_a1`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a2`
[INFO] [stderr]    --> src/arena.rs:174:9
[INFO] [stderr]     |
[INFO] [stderr] 174 |     let a2 = arena.alloc(24).unwrap();
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_a2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a3`
[INFO] [stderr]    --> src/arena.rs:175:9
[INFO] [stderr]     |
[INFO] [stderr] 175 |     let a3 = arena.alloc(2).unwrap();
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_a3`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a4`
[INFO] [stderr]    --> src/arena.rs:176:9
[INFO] [stderr]     |
[INFO] [stderr] 176 |     let a4 = arena.alloc(7).unwrap();
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_a4`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a5`
[INFO] [stderr]    --> src/arena.rs:177:9
[INFO] [stderr]     |
[INFO] [stderr] 177 |     let a5 = arena.alloc(31).unwrap();
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_a5`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a6`
[INFO] [stderr]    --> src/arena.rs:178:9
[INFO] [stderr]     |
[INFO] [stderr] 178 |     let a6 = arena.alloc(60).unwrap();
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_a6`
[INFO] [stderr] 
[INFO] [stderr] warning: `buddy-system` (lib test) generated 6 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/buddy_system-f2fa703d8f9adee0)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests buddy_system
[INFO] [stdout] test arena::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "227cfc829f2b6f7a43c47967d7bc140c78f1bee661b55c7dd1ade341372c97d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "227cfc829f2b6f7a43c47967d7bc140c78f1bee661b55c7dd1ade341372c97d5", kill_on_drop: false }`
[INFO] [stdout] 227cfc829f2b6f7a43c47967d7bc140c78f1bee661b55c7dd1ade341372c97d5
