[INFO] crate binary-tree 0.2.0 is already in cache
[INFO] testing binary-tree-0.2.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate binary-tree 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate binary-tree 0.2.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate binary-tree 0.2.0
[INFO] finished tweaking crates.io crate binary-tree 0.2.0
[INFO] tweaked toml for crates.io crate binary-tree 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] b5a6d3c6f424e86c0f8f157871987a1453f720af91ad3308ec1bf0fcd6601816
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "b5a6d3c6f424e86c0f8f157871987a1453f720af91ad3308ec1bf0fcd6601816"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling binary-tree v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/count.rs:696:9
[INFO] [stderr]     |
[INFO] [stderr] 696 |         try!(f.write_str(self.0));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `"docker" "inspect" "b5a6d3c6f424e86c0f8f157871987a1453f720af91ad3308ec1bf0fcd6601816"`
[INFO] running `"docker" "rm" "-f" "b5a6d3c6f424e86c0f8f157871987a1453f720af91ad3308ec1bf0fcd6601816"`
[INFO] [stdout] b5a6d3c6f424e86c0f8f157871987a1453f720af91ad3308ec1bf0fcd6601816
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5411984614f5ee95f5ebb83763f9c2ca6f13fb4c1428e3dcd69b5b8bfe2d02b3
[INFO] running `"docker" "start" "-a" "5411984614f5ee95f5ebb83763f9c2ca6f13fb4c1428e3dcd69b5b8bfe2d02b3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/count.rs:696:9
[INFO] [stderr]     |
[INFO] [stderr] 696 |         try!(f.write_str(self.0));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling binary-tree v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/count.rs:696:9
[INFO] [stderr]     |
[INFO] [stderr] 696 |         try!(f.write_str(self.0));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.19s
[INFO] running `"docker" "inspect" "5411984614f5ee95f5ebb83763f9c2ca6f13fb4c1428e3dcd69b5b8bfe2d02b3"`
[INFO] running `"docker" "rm" "-f" "5411984614f5ee95f5ebb83763f9c2ca6f13fb4c1428e3dcd69b5b8bfe2d02b3"`
[INFO] [stdout] 5411984614f5ee95f5ebb83763f9c2ca6f13fb4c1428e3dcd69b5b8bfe2d02b3
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6ab11866ea2ee3781a5805031f70c528d074ef307af967a876c4622762b76efd
[INFO] running `"docker" "start" "-a" "6ab11866ea2ee3781a5805031f70c528d074ef307af967a876c4622762b76efd"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/count.rs:696:9
[INFO] [stderr]     |
[INFO] [stderr] 696 |         try!(f.write_str(self.0));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/count.rs:696:9
[INFO] [stderr]     |
[INFO] [stderr] 696 |         try!(f.write_str(self.0));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/binary_tree-f2a50282cb4f8f6b
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test count::tests::counting ... ok
[INFO] [stdout] test count::tests::custom ... ok
[INFO] [stdout] test count::tests::from_iter ... ok
[INFO] [stdout] test count::tests::remove ... ok
[INFO] [stdout] test test::tests::walk ... ok
[INFO] [stdout] test count::tests::rebalance ... ok
[INFO] [stdout] test iter::tests::iteration ... ok
[INFO] [stdout] test test::tests::remove ... ok
[INFO] [stdout] test count::tests::insert ... ok
[INFO] [stdout] test test::tests::rotate ... ok
[INFO] [stdout] test test::tests::stack_blow ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/quickcount-c89b6af23ecc26f0
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests binary-tree
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/count.rs - count::CountTree (line 156) ... ok
[INFO] [stdout] test src/count.rs - count::CountTree (line 170) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6ab11866ea2ee3781a5805031f70c528d074ef307af967a876c4622762b76efd"`
[INFO] running `"docker" "rm" "-f" "6ab11866ea2ee3781a5805031f70c528d074ef307af967a876c4622762b76efd"`
[INFO] [stdout] 6ab11866ea2ee3781a5805031f70c528d074ef307af967a876c4622762b76efd