[INFO] fetching crate treeify 0.1.4...
[INFO] testing treeify-0.1.4 against 1.44.0 for beta-1.45-1
[INFO] extracting crate treeify 0.1.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate treeify 0.1.4 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 treeify 0.1.4
[INFO] finished tweaking crates.io crate treeify 0.1.4
[INFO] tweaked toml for crates.io crate treeify 0.1.4 written to /workspace/builds/worker-3/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-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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f50a2d2617b70b6c666843a28ad65941372315e6ac1e8bb8a6418b4e40343e82
[INFO] running `"docker" "start" "-a" "f50a2d2617b70b6c666843a28ad65941372315e6ac1e8bb8a6418b4e40343e82"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling treeify v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/filetree.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |             try!(write!(output, "{}   ", c));
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/filetree.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |             try!(write!(output, "{} ", LAST_HORIZONTAL_STR));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/filetree.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |             try!(write!(output, "{} ", HORIZONTAL_STR,));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/filetree.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     try!(writeln!(output, "{}", name));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/filetree.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |         try!(print_line(out, &lasts[..], &*self.name));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/filetree.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |             try!(child.print(out, lasts));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.09s
[INFO] running `"docker" "inspect" "f50a2d2617b70b6c666843a28ad65941372315e6ac1e8bb8a6418b4e40343e82"`
[INFO] running `"docker" "rm" "-f" "f50a2d2617b70b6c666843a28ad65941372315e6ac1e8bb8a6418b4e40343e82"`
[INFO] [stdout] f50a2d2617b70b6c666843a28ad65941372315e6ac1e8bb8a6418b4e40343e82
[INFO] running `"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" "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] 99a57869adbf6638404bb9ef98aed3386b0486907bf25cc8124104325df820b0
[INFO] running `"docker" "start" "-a" "99a57869adbf6638404bb9ef98aed3386b0486907bf25cc8124104325df820b0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling treeify v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/filetree.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |             try!(write!(output, "{}   ", c));
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/filetree.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |             try!(write!(output, "{} ", LAST_HORIZONTAL_STR));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/filetree.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |             try!(write!(output, "{} ", HORIZONTAL_STR,));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/filetree.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     try!(writeln!(output, "{}", name));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/filetree.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |         try!(print_line(out, &lasts[..], &*self.name));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/filetree.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |             try!(child.print(out, lasts));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `"docker" "inspect" "99a57869adbf6638404bb9ef98aed3386b0486907bf25cc8124104325df820b0"`
[INFO] running `"docker" "rm" "-f" "99a57869adbf6638404bb9ef98aed3386b0486907bf25cc8124104325df820b0"`
[INFO] [stdout] 99a57869adbf6638404bb9ef98aed3386b0486907bf25cc8124104325df820b0
[INFO] running `"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" "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] 470f19fc1b9ffebf21bcd4f10f8e2c662f171d9aea23e2ed7f4ae3af21e39ca9
[INFO] running `"docker" "start" "-a" "470f19fc1b9ffebf21bcd4f10f8e2c662f171d9aea23e2ed7f4ae3af21e39ca9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/filetree.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |             try!(write!(output, "{}   ", c));
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/filetree.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |             try!(write!(output, "{} ", LAST_HORIZONTAL_STR));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/filetree.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |             try!(write!(output, "{} ", HORIZONTAL_STR,));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/filetree.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     try!(writeln!(output, "{}", name));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/filetree.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |         try!(print_line(out, &lasts[..], &*self.name));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/filetree.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |             try!(child.print(out, lasts));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/treeify-b9a67bb3c6a3f62c
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test filetree::tests::test_print_line ... ok
[INFO] [stdout] test filetree::tests::test_tree_creation1 ... ok
[INFO] [stdout] test filetree::tests::test_tree_creation2 ... ok
[INFO] [stdout] test filetree::tests::test_trees_creation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "470f19fc1b9ffebf21bcd4f10f8e2c662f171d9aea23e2ed7f4ae3af21e39ca9"`
[INFO] running `"docker" "rm" "-f" "470f19fc1b9ffebf21bcd4f10f8e2c662f171d9aea23e2ed7f4ae3af21e39ca9"`
[INFO] [stdout] 470f19fc1b9ffebf21bcd4f10f8e2c662f171d9aea23e2ed7f4ae3af21e39ca9