[INFO] updating cached repository https://github.com/ThatOtherPerson/forth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f2eb40633f3710e75ca391e9c7055a695ea1c31
[INFO] testing ThatOtherPerson/forth against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThatOtherPerson%2Fforth" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ThatOtherPerson/forth on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ThatOtherPerson/forth
[INFO] finished tweaking git repo https://github.com/ThatOtherPerson/forth
[INFO] tweaked toml for git repo https://github.com/ThatOtherPerson/forth written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/ThatOtherPerson/forth already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "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] 55d36b6c40d2f4d22682b7b5cfffef1e68ba5c1ffda75194296b1b4ce61f015e
[INFO] running `Command { std: "docker" "start" "-a" "55d36b6c40d2f4d22682b7b5cfffef1e68ba5c1ffda75194296b1b4ce61f015e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55d36b6c40d2f4d22682b7b5cfffef1e68ba5c1ffda75194296b1b4ce61f015e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55d36b6c40d2f4d22682b7b5cfffef1e68ba5c1ffda75194296b1b4ce61f015e", kill_on_drop: false }`
[INFO] [stdout] 55d36b6c40d2f4d22682b7b5cfffef1e68ba5c1ffda75194296b1b4ce61f015e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52b88c59ee6b386d0ce4ce4bd3f69c18a9f5694dcb15796735c6da83ef49f546
[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" "52b88c59ee6b386d0ce4ce4bd3f69c18a9f5694dcb15796735c6da83ef49f546", kill_on_drop: false }`
[INFO] [stderr]    Compiling forth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]  --> src/stdlib.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let value = try!(forth.pop().ok_or("Stack underflow".to_string()));
[INFO] [stdout]   |                 ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/stdlib.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let value = try!(forth.pop().ok_or("Stack underflow".to_string()));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/stdlib.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let value = try!(forth.pop().ok_or("Stack underflow".to_string()));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/stdlib.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     try!(forth.pop().ok_or("Stack underflow".to_string()));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/stdlib.rs:82:16
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let name = try!(forth.parse().ok_or(
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/stdlib.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let condition = try!(forth.pop().ok_or("Stack underflow".to_string())) != 0;
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `unary_word`
[INFO] [stdout]   --> src/stdlib.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn unary_word<F>(forth: &mut Runtime, callback: F) -> FResult
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "52b88c59ee6b386d0ce4ce4bd3f69c18a9f5694dcb15796735c6da83ef49f546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52b88c59ee6b386d0ce4ce4bd3f69c18a9f5694dcb15796735c6da83ef49f546", kill_on_drop: false }`
[INFO] [stdout] 52b88c59ee6b386d0ce4ce4bd3f69c18a9f5694dcb15796735c6da83ef49f546
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23f98c7b0b7a4f8d7760a7efdfaaafceb3941b279c7340da80778a4e789dce9b
[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" "23f98c7b0b7a4f8d7760a7efdfaaafceb3941b279c7340da80778a4e789dce9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling forth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]  --> src/stdlib.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let value = try!(forth.pop().ok_or("Stack underflow".to_string()));
[INFO] [stdout]   |                 ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/stdlib.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let value = try!(forth.pop().ok_or("Stack underflow".to_string()));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/stdlib.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let value = try!(forth.pop().ok_or("Stack underflow".to_string()));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/stdlib.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     try!(forth.pop().ok_or("Stack underflow".to_string()));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/stdlib.rs:82:16
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let name = try!(forth.parse().ok_or(
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/stdlib.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let condition = try!(forth.pop().ok_or("Stack underflow".to_string())) != 0;
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `unary_word`
[INFO] [stdout]   --> src/stdlib.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn unary_word<F>(forth: &mut Runtime, callback: F) -> FResult
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]  --> src/stdlib.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let value = try!(forth.pop().ok_or("Stack underflow".to_string()));
[INFO] [stdout]   |                 ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/stdlib.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let value = try!(forth.pop().ok_or("Stack underflow".to_string()));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/stdlib.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let value = try!(forth.pop().ok_or("Stack underflow".to_string()));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/stdlib.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     try!(forth.pop().ok_or("Stack underflow".to_string()));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/stdlib.rs:82:16
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let name = try!(forth.parse().ok_or(
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/stdlib.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let condition = try!(forth.pop().ok_or("Stack underflow".to_string())) != 0;
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `unary_word`
[INFO] [stdout]   --> src/stdlib.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn unary_word<F>(forth: &mut Runtime, callback: F) -> FResult
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "23f98c7b0b7a4f8d7760a7efdfaaafceb3941b279c7340da80778a4e789dce9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23f98c7b0b7a4f8d7760a7efdfaaafceb3941b279c7340da80778a4e789dce9b", kill_on_drop: false }`
[INFO] [stdout] 23f98c7b0b7a4f8d7760a7efdfaaafceb3941b279c7340da80778a4e789dce9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 286759cde85886fe8bf869aad5cf506713f7a256da7c3fdea98f3efd79a38441
[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" "286759cde85886fe8bf869aad5cf506713f7a256da7c3fdea98f3efd79a38441", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]  --> src/stdlib.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let value = try!(forth.pop().ok_or("Stack underflow".to_string()));
[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/stdlib.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |     let value = try!(forth.pop().ok_or("Stack underflow".to_string()));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/stdlib.rs:70:17
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let value = try!(forth.pop().ok_or("Stack underflow".to_string()));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/stdlib.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     try!(forth.pop().ok_or("Stack underflow".to_string()));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/stdlib.rs:82:16
[INFO] [stderr]    |
[INFO] [stderr] 82 |     let name = try!(forth.parse().ok_or(
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/stdlib.rs:106:21
[INFO] [stderr]     |
[INFO] [stderr] 106 |     let condition = try!(forth.pop().ok_or("Stack underflow".to_string())) != 0;
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `unary_word`
[INFO] [stderr]   --> src/stdlib.rs:11:4
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn unary_word<F>(forth: &mut Runtime, callback: F) -> FResult
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]  --> src/stdlib.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let value = try!(forth.pop().ok_or("Stack underflow".to_string()));
[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/stdlib.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |     let value = try!(forth.pop().ok_or("Stack underflow".to_string()));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/stdlib.rs:70:17
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let value = try!(forth.pop().ok_or("Stack underflow".to_string()));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/stdlib.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     try!(forth.pop().ok_or("Stack underflow".to_string()));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/stdlib.rs:82:16
[INFO] [stderr]    |
[INFO] [stderr] 82 |     let name = try!(forth.parse().ok_or(
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/stdlib.rs:106:21
[INFO] [stderr]     |
[INFO] [stderr] 106 |     let condition = try!(forth.pop().ok_or("Stack underflow".to_string())) != 0;
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `unary_word`
[INFO] [stderr]   --> src/stdlib.rs:11:4
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn unary_word<F>(forth: &mut Runtime, callback: F) -> FResult
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/forth-8bbcadce43a11bbe
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests forth
[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 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" "286759cde85886fe8bf869aad5cf506713f7a256da7c3fdea98f3efd79a38441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "286759cde85886fe8bf869aad5cf506713f7a256da7c3fdea98f3efd79a38441", kill_on_drop: false }`
[INFO] [stdout] 286759cde85886fe8bf869aad5cf506713f7a256da7c3fdea98f3efd79a38441