[INFO] fetching crate buddy-system 0.2.0... [INFO] testing buddy-system-0.2.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate buddy-system 0.2.0 into /workspace/builds/worker-7-tc2/source [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-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate buddy-system 0.2.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 2 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cf2999bf958e8488e9215fb1f222faa62b171271128690d7ccb6ef802923627e [INFO] running `Command { std: "docker" "start" "-a" "cf2999bf958e8488e9215fb1f222faa62b171271128690d7ccb6ef802923627e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cf2999bf958e8488e9215fb1f222faa62b171271128690d7ccb6ef802923627e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf2999bf958e8488e9215fb1f222faa62b171271128690d7ccb6ef802923627e", kill_on_drop: false }` [INFO] [stdout] cf2999bf958e8488e9215fb1f222faa62b171271128690d7ccb6ef802923627e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d12697e5789b77a617b54e196655c805fe80ec2a5b08d6232eb30d38c82e5503 [INFO] running `Command { std: "docker" "start" "-a" "d12697e5789b77a617b54e196655c805fe80ec2a5b08d6232eb30d38c82e5503", 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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s [INFO] running `Command { std: "docker" "inspect" "d12697e5789b77a617b54e196655c805fe80ec2a5b08d6232eb30d38c82e5503", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d12697e5789b77a617b54e196655c805fe80ec2a5b08d6232eb30d38c82e5503", kill_on_drop: false }` [INFO] [stdout] d12697e5789b77a617b54e196655c805fe80ec2a5b08d6232eb30d38c82e5503 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6091d213d4482d44b02bc515afba381fbefd70d04168c66ba3081f8c584df6a0 [INFO] running `Command { std: "docker" "start" "-a" "6091d213d4482d44b02bc515afba381fbefd70d04168c66ba3081f8c584df6a0", kill_on_drop: false }` [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling buddy-system v0.2.0 (/opt/rustwide/workdir) [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)]` (part of `#[warn(unused)]`) 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] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.67s [INFO] running `Command { std: "docker" "inspect" "6091d213d4482d44b02bc515afba381fbefd70d04168c66ba3081f8c584df6a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6091d213d4482d44b02bc515afba381fbefd70d04168c66ba3081f8c584df6a0", kill_on_drop: false }` [INFO] [stdout] 6091d213d4482d44b02bc515afba381fbefd70d04168c66ba3081f8c584df6a0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c1fda4d2653451abdfc003f6556f0663cfdd7300c2d713831f0976eff15d125a [INFO] running `Command { std: "docker" "start" "-a" "c1fda4d2653451abdfc003f6556f0663cfdd7300c2d713831f0976eff15d125a", 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/buddy_system-41e731c9aa9e316b) [INFO] [stdout] [INFO] [stdout] running 1 test [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] [stderr] Doc-tests buddy_system [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" "c1fda4d2653451abdfc003f6556f0663cfdd7300c2d713831f0976eff15d125a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1fda4d2653451abdfc003f6556f0663cfdd7300c2d713831f0976eff15d125a", kill_on_drop: false }` [INFO] [stdout] c1fda4d2653451abdfc003f6556f0663cfdd7300c2d713831f0976eff15d125a