[INFO] fetching crate treelike 0.2.0...
[INFO] testing treelike-0.2.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate treelike 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate treelike 0.2.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate treelike 0.2.0
[INFO] finished tweaking crates.io crate treelike 0.2.0
[INFO] tweaked toml for crates.io crate treelike 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9251f455803c6e6adf0f8de62d1e2277bb3ab671f9754a2da9c9ffc0c25ceca8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9251f455803c6e6adf0f8de62d1e2277bb3ab671f9754a2da9c9ffc0c25ceca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9251f455803c6e6adf0f8de62d1e2277bb3ab671f9754a2da9c9ffc0c25ceca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9251f455803c6e6adf0f8de62d1e2277bb3ab671f9754a2da9c9ffc0c25ceca8", kill_on_drop: false }`
[INFO] [stdout] 9251f455803c6e6adf0f8de62d1e2277bb3ab671f9754a2da9c9ffc0c25ceca8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aca6976048ecea02da1d12465f083d32d0759bbc1e27bb191ea9c348300aa086
[INFO] running `Command { std: "docker" "start" "-a" "aca6976048ecea02da1d12465f083d32d0759bbc1e27bb191ea9c348300aa086", kill_on_drop: false }`
[INFO] [stderr]    Compiling treelike v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused closure that must be used
[INFO] [stdout]    --> src/treelike.rs:180:4
[INFO] [stdout]     |
[INFO] [stdout] 180 | /             callback_bft(
[INFO] [stdout] 181 | |                 self,
[INFO] [stdout] 182 | |                 |content| {
[INFO] [stdout] 183 | |                     count += 1;
[INFO] [stdout] ...   |
[INFO] [stdout] 188 | |                 0,
[INFO] [stdout] 189 | |             );
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: closures are lazy and do nothing unless called
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "aca6976048ecea02da1d12465f083d32d0759bbc1e27bb191ea9c348300aa086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aca6976048ecea02da1d12465f083d32d0759bbc1e27bb191ea9c348300aa086", kill_on_drop: false }`
[INFO] [stdout] aca6976048ecea02da1d12465f083d32d0759bbc1e27bb191ea9c348300aa086
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f197d51ed05f2459e362e284ecab83e268d01dfbc6c61fcebe111b3d4cb5c6ed
[INFO] running `Command { std: "docker" "start" "-a" "f197d51ed05f2459e362e284ecab83e268d01dfbc6c61fcebe111b3d4cb5c6ed", kill_on_drop: false }`
[INFO] [stdout] warning: unused closure that must be used
[INFO] [stdout]    --> src/treelike.rs:180:4
[INFO] [stdout]     |
[INFO] [stdout] 180 | /             callback_bft(
[INFO] [stdout] 181 | |                 self,
[INFO] [stdout] 182 | |                 |content| {
[INFO] [stdout] 183 | |                     count += 1;
[INFO] [stdout] ...   |
[INFO] [stdout] 188 | |                 0,
[INFO] [stdout] 189 | |             );
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: closures are lazy and do nothing unless called
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling treelike v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused closure that must be used
[INFO] [stdout]    --> src/treelike.rs:180:4
[INFO] [stdout]     |
[INFO] [stdout] 180 | /             callback_bft(
[INFO] [stdout] 181 | |                 self,
[INFO] [stdout] 182 | |                 |content| {
[INFO] [stdout] 183 | |                     count += 1;
[INFO] [stdout] ...   |
[INFO] [stdout] 188 | |                 0,
[INFO] [stdout] 189 | |             );
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: closures are lazy and do nothing unless called
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f197d51ed05f2459e362e284ecab83e268d01dfbc6c61fcebe111b3d4cb5c6ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f197d51ed05f2459e362e284ecab83e268d01dfbc6c61fcebe111b3d4cb5c6ed", kill_on_drop: false }`
[INFO] [stdout] f197d51ed05f2459e362e284ecab83e268d01dfbc6c61fcebe111b3d4cb5c6ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a63123d0ce6d92d3892d27f2e5240bef35337fc139b62b307bd123d8fd44c2c1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a63123d0ce6d92d3892d27f2e5240bef35337fc139b62b307bd123d8fd44c2c1", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused closure that must be used
[INFO] [stdout] running 8 tests
[INFO] [stderr]    --> src/treelike.rs:180:4
[INFO] [stdout] test example::lintree::basic_test ... ok
[INFO] [stderr]     |
[INFO] [stdout] test example::lintree::iter_test ... ok
[INFO] [stderr] 180 | /             callback_bft(
[INFO] [stdout] test example::boxtree::default_works ... ok
[INFO] [stderr] 181 | |                 self,
[INFO] [stdout] test example::lintree::dft_pre_test ... ok
[INFO] [stderr] 182 | |                 |content| {
[INFO] [stdout] test example::lintree::bft_pre_test ... ok
[INFO] [stderr] 183 | |                     count += 1;
[INFO] [stdout] test example::borrowtree::borrowing_tree_works ... ok
[INFO] [stderr] ...   |
[INFO] [stdout] test example::borrowtree::option_ref_size ... ok
[INFO] [stderr] 188 | |                 0,
[INFO] [stderr] 189 | |             );
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: closures are lazy and do nothing unless called
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused closure that must be used
[INFO] [stderr]    --> src/treelike.rs:180:4
[INFO] [stderr]     |
[INFO] [stderr] 180 | /             callback_bft(
[INFO] [stderr] 181 | |                 self,
[INFO] [stderr] 182 | |                 |content| {
[INFO] [stderr] 183 | |                     count += 1;
[INFO] [stderr] ...   |
[INFO] [stderr] 188 | |                 0,
[INFO] [stderr] 189 | |             );
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: closures are lazy and do nothing unless called
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/treelike-f9903fc726af242e)
[INFO] [stdout] test example::boxtree::option_box_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests treelike
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/treelike.rs - treelike::Treelike::callback_dft (line 88) ... ok
[INFO] [stdout] test src/treelike.rs - treelike::Treelike::callback_dft (line 104) ... ok
[INFO] [stdout] test src/treelike.rs - treelike::Treelike::callback_bft (line 142) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a63123d0ce6d92d3892d27f2e5240bef35337fc139b62b307bd123d8fd44c2c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a63123d0ce6d92d3892d27f2e5240bef35337fc139b62b307bd123d8fd44c2c1", kill_on_drop: false }`
[INFO] [stdout] a63123d0ce6d92d3892d27f2e5240bef35337fc139b62b307bd123d8fd44c2c1