[INFO] crate xvii 0.3.4 is already in cache
[INFO] testing xvii-0.3.4 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate xvii 0.3.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate xvii 0.3.4 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 13a22ce10f4475ee1581161bd39832055e0141e60658a93ab5168bed97aafbd3
[INFO] running `Command { std: "docker" "start" "-a" "13a22ce10f4475ee1581161bd39832055e0141e60658a93ab5168bed97aafbd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13a22ce10f4475ee1581161bd39832055e0141e60658a93ab5168bed97aafbd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13a22ce10f4475ee1581161bd39832055e0141e60658a93ab5168bed97aafbd3", kill_on_drop: false }`
[INFO] [stdout] 13a22ce10f4475ee1581161bd39832055e0141e60658a93ab5168bed97aafbd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 45f33eb0bc04a57d5dfc1d180074ce0193c36e39b39f66f36c3eb3e35ca86600
[INFO] running `Command { std: "docker" "start" "-a" "45f33eb0bc04a57d5dfc1d180074ce0193c36e39b39f66f36c3eb3e35ca86600", kill_on_drop: false }`
[INFO] [stderr]    Compiling xvii v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/roman.rs:56:18
[INFO] [stdout]    |
[INFO] [stdout] 56 |             n @ 1...4999 => Some(Roman(n)),
[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 item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:23:61
[INFO] [stdout]    |
[INFO] [stdout] 23 |             InvalidDigit(digit) => write!(f, "{}: {}", self.description(), digit as char),
[INFO] [stdout]    |                                                             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:24:59
[INFO] [stdout]    |
[INFO] [stdout] 24 |             OutOfRange(value) => write!(f, "{}: {}", self.description(), value),
[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 0.49s
[INFO] running `Command { std: "docker" "inspect" "45f33eb0bc04a57d5dfc1d180074ce0193c36e39b39f66f36c3eb3e35ca86600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45f33eb0bc04a57d5dfc1d180074ce0193c36e39b39f66f36c3eb3e35ca86600", kill_on_drop: false }`
[INFO] [stdout] 45f33eb0bc04a57d5dfc1d180074ce0193c36e39b39f66f36c3eb3e35ca86600
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3dbaef0fcf4a3ed487eddeb9566dcaae2df00e7b4b4ad3f58f9cba4807ea80b
[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" "d3dbaef0fcf4a3ed487eddeb9566dcaae2df00e7b4b4ad3f58f9cba4807ea80b", kill_on_drop: false }`
[INFO] [stderr]    Compiling xvii v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/roman.rs:56:18
[INFO] [stdout]    |
[INFO] [stdout] 56 |             n @ 1...4999 => Some(Roman(n)),
[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 item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:23:61
[INFO] [stdout]    |
[INFO] [stdout] 23 |             InvalidDigit(digit) => write!(f, "{}: {}", self.description(), digit as char),
[INFO] [stdout]    |                                                             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:24:59
[INFO] [stdout]    |
[INFO] [stdout] 24 |             OutOfRange(value) => write!(f, "{}: {}", self.description(), value),
[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/roman.rs:56:18
[INFO] [stdout]    |
[INFO] [stdout] 56 |             n @ 1...4999 => Some(Roman(n)),
[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 item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:23:61
[INFO] [stdout]    |
[INFO] [stdout] 23 |             InvalidDigit(digit) => write!(f, "{}: {}", self.description(), digit as char),
[INFO] [stdout]    |                                                             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:24:59
[INFO] [stdout]    |
[INFO] [stdout] 24 |             OutOfRange(value) => write!(f, "{}: {}", self.description(), value),
[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 0.68s
[INFO] running `Command { std: "docker" "inspect" "d3dbaef0fcf4a3ed487eddeb9566dcaae2df00e7b4b4ad3f58f9cba4807ea80b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3dbaef0fcf4a3ed487eddeb9566dcaae2df00e7b4b4ad3f58f9cba4807ea80b", kill_on_drop: false }`
[INFO] [stdout] d3dbaef0fcf4a3ed487eddeb9566dcaae2df00e7b4b4ad3f58f9cba4807ea80b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b6a858efe4f89f046a85daaa332e2a42dfaef80910725e50be5f2a9c650f54e5
[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" "b6a858efe4f89f046a85daaa332e2a42dfaef80910725e50be5f2a9c650f54e5", kill_on_drop: false }`
[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: `...` 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: 3 warnings emitted
[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 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/xvii-fb08485b805820dc
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test roman::tests::mmcmxcix_equals_2999 ... ok
[INFO] [stdout] test roman::tests::mmdxxix_equals_2529 ... ok
[INFO] [stdout] test roman::tests::mmmcmxcix_value_equals_3999 ... ok
[INFO] [stdout] test unit::tests::to_digit_works ... ok
[INFO] [stdout] test unit::tests::ix_equals_9 ... ok
[INFO] [stdout] test unit::tests::iiiiix_equals_5 ... ok
[INFO] [stdout] test unit::tests::i_equals_sequence_1 ... ok
[INFO] [stdout] test unit::tests::i_equals_1 ... ok
[INFO] [stdout] test roman::tests::mmmmcmxcix_parses_as_4999 ... ok
[INFO] [stdout] test roman::tests::max_value_equals_4999 ... ok
[INFO] [stdout] test roman::tests::mcmlxxxiv_equals_1984 ... 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] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> /opt/rustwide/workdir/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: 1 warning emitted
[INFO] [stderr] 
[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 `Command { std: "docker" "inspect" "b6a858efe4f89f046a85daaa332e2a42dfaef80910725e50be5f2a9c650f54e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6a858efe4f89f046a85daaa332e2a42dfaef80910725e50be5f2a9c650f54e5", kill_on_drop: false }`
[INFO] [stdout] b6a858efe4f89f046a85daaa332e2a42dfaef80910725e50be5f2a9c650f54e5