[INFO] crate difference 2.0.0 is already in cache
[INFO] testing difference-2.0.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate difference 2.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate difference 2.0.0 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 difference 2.0.0
[INFO] finished tweaking crates.io crate difference 2.0.0
[INFO] tweaked toml for crates.io crate difference 2.0.0 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 0ca3c053d882785b246a3bcd7dd5e297d71199a670dc9e686d2c90b47d031168
[INFO] running `"docker" "start" "-a" "0ca3c053d882785b246a3bcd7dd5e297d71199a670dc9e686d2c90b47d031168"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling difference v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/display.rs:11:21
[INFO] [stderr]    |
[INFO] [stderr] 11 |                     try!(write!(f, "{}{}", x, self.split));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/display.rs:14:21
[INFO] [stderr]    |
[INFO] [stderr] 14 |                     try!(write!(f, "\x1b[92m{}\x1b[0m{}", x, self.split));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/display.rs:17:21
[INFO] [stderr]    |
[INFO] [stderr] 17 |                     try!(write!(f, "\x1b[91m{}\x1b[0m{}", x, self.split));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `"docker" "inspect" "0ca3c053d882785b246a3bcd7dd5e297d71199a670dc9e686d2c90b47d031168"`
[INFO] running `"docker" "rm" "-f" "0ca3c053d882785b246a3bcd7dd5e297d71199a670dc9e686d2c90b47d031168"`
[INFO] [stdout] 0ca3c053d882785b246a3bcd7dd5e297d71199a670dc9e686d2c90b47d031168
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 8e5477726c3144d648c34f6f5023ed96cc7f806a851d9f77539bb637fdcbf93f
[INFO] running `"docker" "start" "-a" "8e5477726c3144d648c34f6f5023ed96cc7f806a851d9f77539bb637fdcbf93f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/display.rs:11:21
[INFO] [stderr]    |
[INFO] [stderr] 11 |                     try!(write!(f, "{}{}", x, self.split));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/display.rs:14:21
[INFO] [stderr]    |
[INFO] [stderr] 14 |                     try!(write!(f, "\x1b[92m{}\x1b[0m{}", x, self.split));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/display.rs:17:21
[INFO] [stderr]    |
[INFO] [stderr] 17 |                     try!(write!(f, "\x1b[91m{}\x1b[0m{}", x, self.split));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling term v0.2.14
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling quickcheck v0.4.1
[INFO] [stderr]    Compiling difference v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unknown lint: `needless_pass_by_value`
[INFO] [stderr]    --> tests/quickcheck.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 | #[allow(needless_pass_by_value)]
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/display.rs:11:21
[INFO] [stderr]    |
[INFO] [stderr] 11 |                     try!(write!(f, "{}{}", x, self.split));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/display.rs:14:21
[INFO] [stderr]    |
[INFO] [stderr] 14 |                     try!(write!(f, "\x1b[92m{}\x1b[0m{}", x, self.split));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/display.rs:17:21
[INFO] [stderr]    |
[INFO] [stderr] 17 |                     try!(write!(f, "\x1b[91m{}\x1b[0m{}", x, self.split));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/display.rs:71:19
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 32...126 => print!("{}", *b as char), // visible ASCII
[INFO] [stderr]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.63s
[INFO] running `"docker" "inspect" "8e5477726c3144d648c34f6f5023ed96cc7f806a851d9f77539bb637fdcbf93f"`
[INFO] running `"docker" "rm" "-f" "8e5477726c3144d648c34f6f5023ed96cc7f806a851d9f77539bb637fdcbf93f"`
[INFO] [stdout] 8e5477726c3144d648c34f6f5023ed96cc7f806a851d9f77539bb637fdcbf93f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] ca4cea3bfc802f409443f5d67557789f954470af91efb8765c6e9bf246764183
[INFO] running `"docker" "start" "-a" "ca4cea3bfc802f409443f5d67557789f954470af91efb8765c6e9bf246764183"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/display.rs:11:21
[INFO] [stderr]    |
[INFO] [stderr] 11 |                     try!(write!(f, "{}{}", x, self.split));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/display.rs:14:21
[INFO] [stderr]    |
[INFO] [stderr] 14 |                     try!(write!(f, "\x1b[92m{}\x1b[0m{}", x, self.split));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/display.rs:17:21
[INFO] [stderr]    |
[INFO] [stderr] 17 |                     try!(write!(f, "\x1b[91m{}\x1b[0m{}", x, self.split));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/display.rs:11:21
[INFO] [stderr]    |
[INFO] [stderr] 11 |                     try!(write!(f, "{}{}", x, self.split));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/display.rs:14:21
[INFO] [stderr]    |
[INFO] [stderr] 14 |                     try!(write!(f, "\x1b[92m{}\x1b[0m{}", x, self.split));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/display.rs:17:21
[INFO] [stderr]    |
[INFO] [stderr] 17 |                     try!(write!(f, "\x1b[91m{}\x1b[0m{}", x, self.split));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/display.rs:71:19
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 32...126 => print!("{}", *b as char), // visible ASCII
[INFO] [stderr]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `needless_pass_by_value`
[INFO] [stderr]    --> tests/quickcheck.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 | #[allow(needless_pass_by_value)]
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/difference-4db474845d00e5d0
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test_diff_smaller_line_count_on_left ... ok
[INFO] [stdout] test test_diff ... ok
[INFO] [stdout] test test_diff_smaller_line_count_on_right ... ok
[INFO] [stdout] test merge::test_merge ... ok
[INFO] [stdout] test test_assert_diff ... ok
[INFO] [stdout] test test_diff_similar_text_with_similar_line_count ... ok
[INFO] [stdout] test test_diff_brief ... ok
[INFO] [stdout] test lcs::test_lcs ... ok
[INFO] [stdout] test test_diff_similar_text_with_smaller_line_count_on_right ... ok
[INFO] [stdout] test test_assert_diff_panic ... ok
[INFO] [stdout] test display::tests::test_display ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/difference-e85b5e8113298ab4
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/quickcheck-2e2129a2f0e8946d
[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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test simple ... ok
[INFO] [stdout] test issue_19 ... ok
[INFO] [stderr]    Doc-tests difference
[INFO] [stdout] test fuzzy ... 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 6 tests
[INFO] [stdout] test src/lib.rs -  (line 13) ... ignored
[INFO] [stdout] test src/lib.rs - assert_diff (line 145) ... ok
[INFO] [stdout] test src/lib.rs - print_diff (line 184) ... ok
[INFO] [stdout] test src/lib.rs - diff (line 120) ... ok
[INFO] [stdout] test src/lib.rs -  (line 21) ... ok
[INFO] [stdout] test src/lib.rs - Changeset::new (line 84) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ca4cea3bfc802f409443f5d67557789f954470af91efb8765c6e9bf246764183"`
[INFO] running `"docker" "rm" "-f" "ca4cea3bfc802f409443f5d67557789f954470af91efb8765c6e9bf246764183"`
[INFO] [stdout] ca4cea3bfc802f409443f5d67557789f954470af91efb8765c6e9bf246764183