[INFO] cloning repository https://github.com/alecdotninja/wikipedia-word-counter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alecdotninja/wikipedia-word-counter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falecdotninja%2Fwikipedia-word-counter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falecdotninja%2Fwikipedia-word-counter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bdef74c4d7a3110ae2b5d35f3c82548a93840387
[INFO] testing alecdotninja/wikipedia-word-counter against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falecdotninja%2Fwikipedia-word-counter" "/workspace/builds/worker-39/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-39/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alecdotninja/wikipedia-word-counter on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alecdotninja/wikipedia-word-counter
[INFO] finished tweaking git repo https://github.com/alecdotninja/wikipedia-word-counter
[INFO] tweaked toml for git repo https://github.com/alecdotninja/wikipedia-word-counter written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] crate git repo https://github.com/alecdotninja/wikipedia-word-counter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cecd2d2f3c9a4b89ced43d10ef258f785904ad22c12e49e70d44d4af1435506f
[INFO] running `Command { std: "docker" "start" "-a" "cecd2d2f3c9a4b89ced43d10ef258f785904ad22c12e49e70d44d4af1435506f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cecd2d2f3c9a4b89ced43d10ef258f785904ad22c12e49e70d44d4af1435506f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cecd2d2f3c9a4b89ced43d10ef258f785904ad22c12e49e70d44d4af1435506f", kill_on_drop: false }`
[INFO] [stdout] cecd2d2f3c9a4b89ced43d10ef258f785904ad22c12e49e70d44d4af1435506f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7794dd3280db38c8ca654d305df6bb5349bac00fac6ce12603daa63e301325c8
[INFO] running `Command { std: "docker" "start" "-a" "7794dd3280db38c8ca654d305df6bb5349bac00fac6ce12603daa63e301325c8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling parse_wiki_text v0.1.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling bstr v0.2.12
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling quick-xml v0.12.4
[INFO] [stderr]    Compiling parse_mediawiki_dump v0.1.0
[INFO] [stderr]    Compiling wikipedia-word-counter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `BufReader<Stdin>: std::io::Write` is not satisfied
[INFO] [stdout]   --> src/main.rs:17:51
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut csv_writer = csv::Writer::from_writer(buffered_stdin());
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^ the trait `std::io::Write` is not implemented for `BufReader<Stdin>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required by `Writer::<W>::from_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `BufReader<Stdin>: std::io::Write` is not satisfied
[INFO] [stdout]    --> src/main.rs:17:26
[INFO] [stdout]     |
[INFO] [stdout] 17  |     let mut csv_writer = csv::Writer::from_writer(buffered_stdin());
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::io::Write` is not implemented for `BufReader<Stdin>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/csv-1.1.3/src/writer.rs:508:22
[INFO] [stdout]     |
[INFO] [stdout] 508 | pub struct Writer<W: io::Write> {
[INFO] [stdout]     |                      --------- required by this bound in `Writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `write_record` exists for struct `Writer<BufReader<Stdin>>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> src/main.rs:20:20
[INFO] [stdout]    |
[INFO] [stdout] 20 |           csv_writer.write_record(&[word, count.to_string()]).unwrap();
[INFO] [stdout]    |                      ^^^^^^^^^^^^ method cannot be called on `Writer<BufReader<Stdin>>` due to unsatisfied trait bounds
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `BufReader<Stdin>: std::io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wikipedia-word-counter`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7794dd3280db38c8ca654d305df6bb5349bac00fac6ce12603daa63e301325c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7794dd3280db38c8ca654d305df6bb5349bac00fac6ce12603daa63e301325c8", kill_on_drop: false }`
[INFO] [stdout] 7794dd3280db38c8ca654d305df6bb5349bac00fac6ce12603daa63e301325c8
