[INFO] cloning repository https://github.com/tasnimAlam/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/tasnimAlam/word_counter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtasnimAlam%2Fword_counter", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtasnimAlam%2Fword_counter'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9572b69e0feb074bf46e09ba7257e3fc7f27dcb6 [INFO] building tasnimAlam/word_counter against master#222c5724ecc922fe67815f428c19f82c129d9386 for pr-97334 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtasnimAlam%2Fword_counter" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tasnimAlam/word_counter on toolchain 222c5724ecc922fe67815f428c19f82c129d9386 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tasnimAlam/word_counter [INFO] finished tweaking git repo https://github.com/tasnimAlam/word_counter [INFO] tweaked toml for git repo https://github.com/tasnimAlam/word_counter written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/tasnimAlam/word_counter already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "fetch" "--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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ba7029be39bb58956862c3ad0e5156196e9ece1264568561c85ff9a06135aad8 [INFO] running `Command { std: "docker" "start" "-a" "ba7029be39bb58956862c3ad0e5156196e9ece1264568561c85ff9a06135aad8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ba7029be39bb58956862c3ad0e5156196e9ece1264568561c85ff9a06135aad8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba7029be39bb58956862c3ad0e5156196e9ece1264568561c85ff9a06135aad8", kill_on_drop: false }` [INFO] [stdout] ba7029be39bb58956862c3ad0e5156196e9ece1264568561c85ff9a06135aad8 [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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b4263426f24140c7b3d56792ab8452b000d5b5742639ba2693b6ad1c220da4b9 [INFO] running `Command { std: "docker" "start" "-a" "b4263426f24140c7b3d56792ab8452b000d5b5742639ba2693b6ad1c220da4b9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.100 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling serde v1.0.127 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling encode_unicode v0.3.6 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling bstr v0.2.16 [INFO] [stderr] Compiling csv v1.1.6 [INFO] [stderr] Compiling prettytable-rs v0.8.0 [INFO] [stderr] Compiling structopt-derive v0.4.15 [INFO] [stderr] Compiling structopt v0.3.22 [INFO] [stderr] Compiling word_counter v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `output` [INFO] [stdout] --> src/lib.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | output: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:16:10 [INFO] [stdout] | [INFO] [stdout] 16 | #[derive(Debug, StructOpt)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.95s [INFO] running `Command { std: "docker" "inspect" "b4263426f24140c7b3d56792ab8452b000d5b5742639ba2693b6ad1c220da4b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4263426f24140c7b3d56792ab8452b000d5b5742639ba2693b6ad1c220da4b9", kill_on_drop: false }` [INFO] [stdout] b4263426f24140c7b3d56792ab8452b000d5b5742639ba2693b6ad1c220da4b9 [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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9b0c99c452d1049e397839b1271a8dde242bd8990c2aa379c3a8af5251446c97 [INFO] running `Command { std: "docker" "start" "-a" "9b0c99c452d1049e397839b1271a8dde242bd8990c2aa379c3a8af5251446c97", kill_on_drop: false }` [INFO] [stdout] warning: field is never read: `output` [INFO] [stdout] --> src/lib.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | output: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:16:10 [INFO] [stdout] | [INFO] [stdout] 16 | #[derive(Debug, StructOpt)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling word_counter v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `output` [INFO] [stdout] --> src/lib.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | output: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:16:10 [INFO] [stdout] | [INFO] [stdout] 16 | #[derive(Debug, StructOpt)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.08s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/word_counter-88aa7b5bbeb29a25) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/word_counter-6e8420920f27f53a) [ERROR] error running command: no output for 300 seconds [INFO] running `Command { std: "docker" "inspect" "9b0c99c452d1049e397839b1271a8dde242bd8990c2aa379c3a8af5251446c97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b0c99c452d1049e397839b1271a8dde242bd8990c2aa379c3a8af5251446c97", kill_on_drop: false }` [INFO] [stdout] 9b0c99c452d1049e397839b1271a8dde242bd8990c2aa379c3a8af5251446c97