[INFO] crate xvii 0.3.4 is already in cache
[INFO] testing xvii-0.3.4 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate xvii 0.3.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate xvii 0.3.4 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate xvii 0.3.4
[INFO] finished tweaking crates.io crate xvii 0.3.4
[INFO] tweaked toml for crates.io crate xvii 0.3.4 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 33205a8e5015b1f0b4ecbcc1e8861ae5b9e85918b59c9866ce0d5addb9b3ae30
[INFO] running `"docker" "start" "-a" "33205a8e5015b1f0b4ecbcc1e8861ae5b9e85918b59c9866ce0d5addb9b3ae30"`
[INFO] [stderr]    Compiling xvii v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/roman.rs:56:18
[INFO] [stderr]    |
[INFO] [stderr] 56 |             n @ 1...4999 => Some(Roman(n)),
[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 item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:23:61
[INFO] [stderr]    |
[INFO] [stderr] 23 |             InvalidDigit(digit) => write!(f, "{}: {}", self.description(), digit as char),
[INFO] [stderr]    |                                                             ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:24:59
[INFO] [stderr]    |
[INFO] [stderr] 24 |             OutOfRange(value) => write!(f, "{}: {}", self.description(), value),
[INFO] [stderr]    |                                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "33205a8e5015b1f0b4ecbcc1e8861ae5b9e85918b59c9866ce0d5addb9b3ae30"`
[INFO] running `"docker" "rm" "-f" "33205a8e5015b1f0b4ecbcc1e8861ae5b9e85918b59c9866ce0d5addb9b3ae30"`
[INFO] [stdout] 33205a8e5015b1f0b4ecbcc1e8861ae5b9e85918b59c9866ce0d5addb9b3ae30
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 9a058f54a039a9aa7fba785ff253ef6be558f11fd80a5ce33809d138d02b8f28
[INFO] running `"docker" "start" "-a" "9a058f54a039a9aa7fba785ff253ef6be558f11fd80a5ce33809d138d02b8f28"`
[INFO] [stderr]    Compiling xvii v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/roman.rs:56:18
[INFO] [stderr]    |
[INFO] [stderr] 56 |             n @ 1...4999 => Some(Roman(n)),
[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 item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:23:61
[INFO] [stderr]    |
[INFO] [stderr] 23 |             InvalidDigit(digit) => write!(f, "{}: {}", self.description(), digit as char),
[INFO] [stderr]    |                                                             ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:24:59
[INFO] [stderr]    |
[INFO] [stderr] 24 |             OutOfRange(value) => write!(f, "{}: {}", self.description(), value),
[INFO] [stderr]    |                                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/roman.rs:56:18
[INFO] [stderr]    |
[INFO] [stderr] 56 |             n @ 1...4999 => Some(Roman(n)),
[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 item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:23:61
[INFO] [stderr]    |
[INFO] [stderr] 23 |             InvalidDigit(digit) => write!(f, "{}: {}", self.description(), digit as char),
[INFO] [stderr]    |                                                             ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:24:59
[INFO] [stderr]    |
[INFO] [stderr] 24 |             OutOfRange(value) => write!(f, "{}: {}", self.description(), value),
[INFO] [stderr]    |                                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `"docker" "inspect" "9a058f54a039a9aa7fba785ff253ef6be558f11fd80a5ce33809d138d02b8f28"`
[INFO] running `"docker" "rm" "-f" "9a058f54a039a9aa7fba785ff253ef6be558f11fd80a5ce33809d138d02b8f28"`
[INFO] [stdout] 9a058f54a039a9aa7fba785ff253ef6be558f11fd80a5ce33809d138d02b8f28
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 5b84a7a314b3f10d621efa1158c2449bd1332ac1c6c2ef0c7bac2d425c6c3c8e
[INFO] running `"docker" "start" "-a" "5b84a7a314b3f10d621efa1158c2449bd1332ac1c6c2ef0c7bac2d425c6c3c8e"`
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/roman.rs:56:18
[INFO] [stderr]    |
[INFO] [stderr] 56 |             n @ 1...4999 => Some(Roman(n)),
[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 item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:23:61
[INFO] [stderr]    |
[INFO] [stderr] 23 |             InvalidDigit(digit) => write!(f, "{}: {}", self.description(), digit as char),
[INFO] [stderr]    |                                                             ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:24:59
[INFO] [stderr]    |
[INFO] [stderr] 24 |             OutOfRange(value) => write!(f, "{}: {}", self.description(), value),
[INFO] [stderr]    |                                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/roman.rs:56:18
[INFO] [stderr]    |
[INFO] [stderr] 56 |             n @ 1...4999 => Some(Roman(n)),
[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 item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:23:61
[INFO] [stderr]    |
[INFO] [stderr] 23 |             InvalidDigit(digit) => write!(f, "{}: {}", self.description(), digit as char),
[INFO] [stderr]    |                                                             ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:24:59
[INFO] [stderr]    |
[INFO] [stderr] 24 |             OutOfRange(value) => write!(f, "{}: {}", self.description(), value),
[INFO] [stderr]    |                                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/xvii-32a8b579c46633eb
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test roman::tests::mcmlxxxiv_equals_1984 ... ok
[INFO] [stdout] test roman::tests::mmdxxix_equals_2529 ... ok
[INFO] [stdout] test roman::tests::max_value_equals_4999 ... ok
[INFO] [stdout] test roman::tests::mmcmxcix_equals_2999 ... ok
[INFO] [stdout] test unit::tests::i_equals_1 ... ok
[INFO] [stdout] test unit::tests::iiiiix_equals_5 ... ok
[INFO] [stdout] test roman::tests::mmmcmxcix_value_equals_3999 ... ok
[INFO] [stdout] test roman::tests::mmmmcmxcix_parses_as_4999 ... ok
[INFO] [stdout] test unit::tests::i_equals_sequence_1 ... ok
[INFO] [stdout] test unit::tests::to_digit_works ... ok
[INFO] [stdout] test unit::tests::ix_equals_9 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests xvii
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5b84a7a314b3f10d621efa1158c2449bd1332ac1c6c2ef0c7bac2d425c6c3c8e"`
[INFO] running `"docker" "rm" "-f" "5b84a7a314b3f10d621efa1158c2449bd1332ac1c6c2ef0c7bac2d425c6c3c8e"`
[INFO] [stdout] 5b84a7a314b3f10d621efa1158c2449bd1332ac1c6c2ef0c7bac2d425c6c3c8e