[INFO] fetching crate n_gram 0.1.12...
[INFO] building n_gram-0.1.12 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate n_gram 0.1.12 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate n_gram 0.1.12
[INFO] finished tweaking crates.io crate n_gram 0.1.12
[INFO] tweaked toml for crates.io crate n_gram 0.1.12 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate n_gram 0.1.12 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate n_gram 0.1.12 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e65a290d3ebd343d274979da09b0c479f7bbdc5572d7c5710f6f8ef89856c45
[INFO] running `Command { std: "docker" "start" "-a" "2e65a290d3ebd343d274979da09b0c479f7bbdc5572d7c5710f6f8ef89856c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e65a290d3ebd343d274979da09b0c479f7bbdc5572d7c5710f6f8ef89856c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e65a290d3ebd343d274979da09b0c479f7bbdc5572d7c5710f6f8ef89856c45", kill_on_drop: false }`
[INFO] [stdout] 2e65a290d3ebd343d274979da09b0c479f7bbdc5572d7c5710f6f8ef89856c45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f1973a4457154781f62b8b9b0193545a0a9e708f65f6560a5277faa2545c96a
[INFO] running `Command { std: "docker" "start" "-a" "3f1973a4457154781f62b8b9b0193545a0a9e708f65f6560a5277faa2545c96a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling syn v2.0.50
[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 serde_derive v1.0.197
[INFO] [stderr]    Compiling n_gram v0.1.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.03s
[INFO] running `Command { std: "docker" "inspect" "3f1973a4457154781f62b8b9b0193545a0a9e708f65f6560a5277faa2545c96a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f1973a4457154781f62b8b9b0193545a0a9e708f65f6560a5277faa2545c96a", kill_on_drop: false }`
[INFO] [stdout] 3f1973a4457154781f62b8b9b0193545a0a9e708f65f6560a5277faa2545c96a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c351a2f4f3738a7bc4e5daddb7f28e4eb87c2b33ea8678d2e484f85cf9d5ef1
[INFO] running `Command { std: "docker" "start" "-a" "7c351a2f4f3738a7bc4e5daddb7f28e4eb87c2b33ea8678d2e484f85cf9d5ef1", kill_on_drop: false }`
[INFO] [stderr]    Compiling n_gram v0.1.12 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `tiny_corpus` in this scope
[INFO] [stdout]  --> examples/basic.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let corpus = tiny_corpus()
[INFO] [stdout]   |                      ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `n_gram` (example "basic") due to 2 previous errors
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> examples/basic.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 |                 .map(|t| sos(eos(tokenize(t.to_owned()))))
[INFO] [stdout]    |                       ^                     -------- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 11 |                 .map(|t: /* Type */| sos(eos(tokenize(t.to_owned()))))
[INFO] [stdout]    |                        ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] Some errors have detailed explanations: E0282, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7c351a2f4f3738a7bc4e5daddb7f28e4eb87c2b33ea8678d2e484f85cf9d5ef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c351a2f4f3738a7bc4e5daddb7f28e4eb87c2b33ea8678d2e484f85cf9d5ef1", kill_on_drop: false }`
[INFO] [stdout] 7c351a2f4f3738a7bc4e5daddb7f28e4eb87c2b33ea8678d2e484f85cf9d5ef1