[INFO] fetching crate task_diff 0.2.1...
[INFO] testing task_diff-0.2.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate task_diff 0.2.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate task_diff 0.2.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate task_diff 0.2.1
[INFO] finished tweaking crates.io crate task_diff 0.2.1
[INFO] tweaked toml for crates.io crate task_diff 0.2.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 761dac6b88efe8be7a8e78ffcb244ab95fd325aab7662a3d9ce27f8904989ed1
[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" "761dac6b88efe8be7a8e78ffcb244ab95fd325aab7662a3d9ce27f8904989ed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "761dac6b88efe8be7a8e78ffcb244ab95fd325aab7662a3d9ce27f8904989ed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "761dac6b88efe8be7a8e78ffcb244ab95fd325aab7662a3d9ce27f8904989ed1", kill_on_drop: false }`
[INFO] [stdout] 761dac6b88efe8be7a8e78ffcb244ab95fd325aab7662a3d9ce27f8904989ed1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] baa74cf798c05e82d61c2518282089e15f9c483b324cfa22de42fec7049364fb
[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" "baa74cf798c05e82d61c2518282089e15f9c483b324cfa22de42fec7049364fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling unescape v0.1.0
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling task_diff v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/bin/main.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 31 |             32...126 => {
[INFO] [stdout]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]   --> src/bin/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     printw("Please enter your diff (ENTER / ESC once done):\n");
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]   --> src/bin/main.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 printw(&format!("{}", c));
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.46s
[INFO] running `Command { std: "docker" "inspect" "baa74cf798c05e82d61c2518282089e15f9c483b324cfa22de42fec7049364fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baa74cf798c05e82d61c2518282089e15f9c483b324cfa22de42fec7049364fb", kill_on_drop: false }`
[INFO] [stdout] baa74cf798c05e82d61c2518282089e15f9c483b324cfa22de42fec7049364fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0b163855b1699ce67844d3f2699daa47d2faf86f628e8856e1823d666f920bb
[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" "d0b163855b1699ce67844d3f2699daa47d2faf86f628e8856e1823d666f920bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling task_diff v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/bin/main.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 31 |             32...126 => {
[INFO] [stdout]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]   --> src/bin/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     printw("Please enter your diff (ENTER / ESC once done):\n");
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]   --> src/bin/main.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 printw(&format!("{}", c));
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/bin/main.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 31 |             32...126 => {
[INFO] [stdout]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]   --> src/bin/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     printw("Please enter your diff (ENTER / ESC once done):\n");
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]   --> src/bin/main.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 printw(&format!("{}", c));
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.57s
[INFO] running `Command { std: "docker" "inspect" "d0b163855b1699ce67844d3f2699daa47d2faf86f628e8856e1823d666f920bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0b163855b1699ce67844d3f2699daa47d2faf86f628e8856e1823d666f920bb", kill_on_drop: false }`
[INFO] [stdout] d0b163855b1699ce67844d3f2699daa47d2faf86f628e8856e1823d666f920bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c625ea337c1362894d6a124667cfabe7612e90fc8f5eff564ba16a091a313f80
[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" "c625ea337c1362894d6a124667cfabe7612e90fc8f5eff564ba16a091a313f80", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/bin/main.rs:31:15
[INFO] [stderr]    |
[INFO] [stderr] 31 |             32...126 => {
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stderr]   --> src/bin/main.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     printw("Please enter your diff (ENTER / ESC once done):\n");
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stderr]   --> src/bin/main.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 |                 printw(&format!("{}", c));
[INFO] [stderr]    |                 ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/bin/main.rs:31:15
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 31 |             32...126 => {
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/bin/main.rs:25:5
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 25 |     printw("Please enter your diff (ENTER / ESC once done):\n");
[INFO] [stdout] 
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stderr]   --> src/bin/main.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 |                 printw(&format!("{}", c));
[INFO] [stderr]    |                 ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.83s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/task_diff-66a0d1e84a625c49
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/main-edea3ea923ffc4a2
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pair-1bf837a218c24459
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/parser-bb12af8b7016d06b
[INFO] [stdout] test tests::parse_environment_array ... ok
[INFO] [stdout] test tests::replace_in_array_tree ... ok
[INFO] [stdout] test tests::replace_in_object_tree ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::diff_array_empty ... ok
[INFO] [stdout] test tests::diff_array ... ok
[INFO] [stdout] test tests::diff_array_vs_obj ... ok
[INFO] [stderr]    Doc-tests task_diff
[INFO] [stdout] test tests::diff_array_obj ... ok
[INFO] [stdout] test tests::diff_array_obj_removed ... ok
[INFO] [stdout] test tests::diff_obj_empty ... ok
[INFO] [stdout] test tests::diff_env ... ok
[INFO] [stdout] test tests::diff_obj_delete ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 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] running `Command { std: "docker" "inspect" "c625ea337c1362894d6a124667cfabe7612e90fc8f5eff564ba16a091a313f80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c625ea337c1362894d6a124667cfabe7612e90fc8f5eff564ba16a091a313f80", kill_on_drop: false }`
[INFO] [stdout] c625ea337c1362894d6a124667cfabe7612e90fc8f5eff564ba16a091a313f80