[INFO] fetching crate n_gram 0.1.9...
[INFO] testing n_gram-0.1.9 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate n_gram 0.1.9 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate n_gram 0.1.9 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate n_gram 0.1.9
[INFO] finished tweaking crates.io crate n_gram 0.1.9
[INFO] tweaked toml for crates.io crate n_gram 0.1.9 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81afbfc34d740d39b138a360e3071fd6de4adb19a05a2efdc26491d12503c5d9
[INFO] running `Command { std: "docker" "start" "-a" "81afbfc34d740d39b138a360e3071fd6de4adb19a05a2efdc26491d12503c5d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81afbfc34d740d39b138a360e3071fd6de4adb19a05a2efdc26491d12503c5d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81afbfc34d740d39b138a360e3071fd6de4adb19a05a2efdc26491d12503c5d9", kill_on_drop: false }`
[INFO] [stdout] 81afbfc34d740d39b138a360e3071fd6de4adb19a05a2efdc26491d12503c5d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f50ca4667b8f37927172c205a275d616d6fd8f2dc51ff24d48634f813a92569
[INFO] running `Command { std: "docker" "start" "-a" "7f50ca4667b8f37927172c205a275d616d6fd8f2dc51ff24d48634f813a92569", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling n_gram v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias `Result_` is never used
[INFO] [stdout]   --> src/lib.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | type Result_<T> = Result<T, Box<dyn Error>>;
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "7f50ca4667b8f37927172c205a275d616d6fd8f2dc51ff24d48634f813a92569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f50ca4667b8f37927172c205a275d616d6fd8f2dc51ff24d48634f813a92569", kill_on_drop: false }`
[INFO] [stdout] 7f50ca4667b8f37927172c205a275d616d6fd8f2dc51ff24d48634f813a92569
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0c0f8a0da354794d1ff094d48313c2b8aa18dcd0e9bc800e18793ed1b637a79
[INFO] running `Command { std: "docker" "start" "-a" "d0c0f8a0da354794d1ff094d48313c2b8aa18dcd0e9bc800e18793ed1b637a79", kill_on_drop: false }`
[INFO] [stderr]    Compiling n_gram v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias `Result_` is never used
[INFO] [stdout]   --> src/lib.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | type Result_<T> = Result<T, Box<dyn Error>>;
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Result_` is never used
[INFO] [stdout]   --> src/lib.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | type Result_<T> = Result<T, Box<dyn Error>>;
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "d0c0f8a0da354794d1ff094d48313c2b8aa18dcd0e9bc800e18793ed1b637a79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0c0f8a0da354794d1ff094d48313c2b8aa18dcd0e9bc800e18793ed1b637a79", kill_on_drop: false }`
[INFO] [stdout] d0c0f8a0da354794d1ff094d48313c2b8aa18dcd0e9bc800e18793ed1b637a79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9ca0ccf538488be1bdaa6799a8e17c2256faa5cc92865dc54bdedfe23b5e75d1
[INFO] running `Command { std: "docker" "start" "-a" "9ca0ccf538488be1bdaa6799a8e17c2256faa5cc92865dc54bdedfe23b5e75d1", kill_on_drop: false }`
[INFO] [stderr] warning: type alias `Result_` is never used
[INFO] [stderr]   --> src/lib.rs:12:6
[INFO] [stderr]    |
[INFO] [stderr] 12 | type Result_<T> = Result<T, Box<dyn Error>>;
[INFO] [stderr]    |      ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `n_gram` (lib) generated 1 warning
[INFO] [stderr] warning: `n_gram` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/n_gram-10e373f228339f6e)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests n_gram
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - Model (line 236) ... FAILED
[INFO] [stdout] test src/lib.rs - Config (line 187) ... ok
[INFO] [stdout] test src/lib.rs - Config (line 193) ... ok
[INFO] [stdout] test src/lib.rs - Config (line 169) ... ok
[INFO] [stdout] test src/lib.rs - n_grams (line 58) ... ok
[INFO] [stdout] test src/lib.rs - Model::predict (line 365) ... ok
[INFO] [stdout] test src/lib.rs - Model::generate (line 404) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Model (line 236) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `tiny_corpus` in this scope
[INFO] [stdout]   --> src/lib.rs:245:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | let corpus = tiny_corpus()
[INFO] [stdout]    |              ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `save` found for struct `n_gram::Model` in the current scope
[INFO] [stdout]   --> src/lib.rs:258:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | model.save("model.json").unwrap();
[INFO] [stdout]    |       ^^^^ method not found in `Model`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `load` found for struct `n_gram::Model` in the current scope
[INFO] [stdout]   --> src/lib.rs:264:7
[INFO] [stdout]    |
[INFO] [stdout] 31 | model.load("model.json").unwrap();
[INFO] [stdout]    |       ^^^^ method not found in `Model`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Model (line 236)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "9ca0ccf538488be1bdaa6799a8e17c2256faa5cc92865dc54bdedfe23b5e75d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ca0ccf538488be1bdaa6799a8e17c2256faa5cc92865dc54bdedfe23b5e75d1", kill_on_drop: false }`
[INFO] [stdout] 9ca0ccf538488be1bdaa6799a8e17c2256faa5cc92865dc54bdedfe23b5e75d1
[INFO] testing n_gram-0.1.9 against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] extracting crate n_gram 0.1.9 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate n_gram 0.1.9 on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate n_gram 0.1.9
[INFO] finished tweaking crates.io crate n_gram 0.1.9
[INFO] tweaked toml for crates.io crate n_gram 0.1.9 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d410f7e7a05f18ee8a5a4e0f44dbba0dc39d9ee12f37d46ca73951bc0126c9d4
[INFO] running `Command { std: "docker" "start" "-a" "d410f7e7a05f18ee8a5a4e0f44dbba0dc39d9ee12f37d46ca73951bc0126c9d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d410f7e7a05f18ee8a5a4e0f44dbba0dc39d9ee12f37d46ca73951bc0126c9d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d410f7e7a05f18ee8a5a4e0f44dbba0dc39d9ee12f37d46ca73951bc0126c9d4", kill_on_drop: false }`
[INFO] [stdout] d410f7e7a05f18ee8a5a4e0f44dbba0dc39d9ee12f37d46ca73951bc0126c9d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af3b1627ba98fe12e53b1076161c202eaefe611a7e7665f3645a1b8e36853e1a
[INFO] running `Command { std: "docker" "start" "-a" "af3b1627ba98fe12e53b1076161c202eaefe611a7e7665f3645a1b8e36853e1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling n_gram v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias `Result_` is never used
[INFO] [stdout]   --> src/lib.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | type Result_<T> = Result<T, Box<dyn Error>>;
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "af3b1627ba98fe12e53b1076161c202eaefe611a7e7665f3645a1b8e36853e1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af3b1627ba98fe12e53b1076161c202eaefe611a7e7665f3645a1b8e36853e1a", kill_on_drop: false }`
[INFO] [stdout] af3b1627ba98fe12e53b1076161c202eaefe611a7e7665f3645a1b8e36853e1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87a0e938d96dc3857d40852c5be59d655fa9a8dcc1158c7643e3023f3399eb96
[INFO] running `Command { std: "docker" "start" "-a" "87a0e938d96dc3857d40852c5be59d655fa9a8dcc1158c7643e3023f3399eb96", kill_on_drop: false }`
[INFO] [stderr]    Compiling n_gram v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias `Result_` is never used
[INFO] [stdout]   --> src/lib.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | type Result_<T> = Result<T, Box<dyn Error>>;
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Result_` is never used
[INFO] [stdout]   --> src/lib.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | type Result_<T> = Result<T, Box<dyn Error>>;
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "87a0e938d96dc3857d40852c5be59d655fa9a8dcc1158c7643e3023f3399eb96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87a0e938d96dc3857d40852c5be59d655fa9a8dcc1158c7643e3023f3399eb96", kill_on_drop: false }`
[INFO] [stdout] 87a0e938d96dc3857d40852c5be59d655fa9a8dcc1158c7643e3023f3399eb96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fed20dc85bd67d0c0d11ad61f2ae325586a27091a77a2f03ad2c1ea838cb2cda
[INFO] running `Command { std: "docker" "start" "-a" "fed20dc85bd67d0c0d11ad61f2ae325586a27091a77a2f03ad2c1ea838cb2cda", kill_on_drop: false }`
[INFO] [stderr] warning: type alias `Result_` is never used
[INFO] [stderr]   --> src/lib.rs:12:6
[INFO] [stderr]    |
[INFO] [stderr] 12 | type Result_<T> = Result<T, Box<dyn Error>>;
[INFO] [stderr]    |      ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `n_gram` (lib) generated 1 warning
[INFO] [stderr] warning: `n_gram` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/n_gram-10e373f228339f6e)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests n_gram
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - Model (line 236) ... FAILED
[INFO] [stdout] test src/lib.rs - Config (line 193) ... ok
[INFO] [stdout] test src/lib.rs - Config (line 187) ... ok
[INFO] [stdout] test src/lib.rs - Model::generate (line 404) ... ok
[INFO] [stdout] test src/lib.rs - Model::predict (line 365) ... ok
[INFO] [stdout] test src/lib.rs - n_grams (line 58) ... ok
[INFO] [stdout] test src/lib.rs - Config (line 169) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Model (line 236) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `tiny_corpus` in this scope
[INFO] [stdout]   --> src/lib.rs:245:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | let corpus = tiny_corpus()
[INFO] [stdout]    |              ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `save` found for struct `n_gram::Model` in the current scope
[INFO] [stdout]   --> src/lib.rs:258:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | model.save("model.json").unwrap();
[INFO] [stdout]    |       ^^^^ method not found in `Model`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `load` found for struct `n_gram::Model` in the current scope
[INFO] [stdout]   --> src/lib.rs:264:7
[INFO] [stdout]    |
[INFO] [stdout] 31 | model.load("model.json").unwrap();
[INFO] [stdout]    |       ^^^^ method not found in `Model`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Model (line 236)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "fed20dc85bd67d0c0d11ad61f2ae325586a27091a77a2f03ad2c1ea838cb2cda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fed20dc85bd67d0c0d11ad61f2ae325586a27091a77a2f03ad2c1ea838cb2cda", kill_on_drop: false }`
[INFO] [stdout] fed20dc85bd67d0c0d11ad61f2ae325586a27091a77a2f03ad2c1ea838cb2cda
