[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] a781d4d2a6ac7b484d8c277fa54422131396cb82 [INFO] testing tasnimAlam/word_counter against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtasnimAlam%2Fword_counter" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tasnimAlam/word_counter on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-7/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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] b857f019d8ea2ac21d17250e7057bf14768d1119ea8cb0c9974432898f02385c [INFO] running `Command { std: "docker" "start" "-a" "b857f019d8ea2ac21d17250e7057bf14768d1119ea8cb0c9974432898f02385c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b857f019d8ea2ac21d17250e7057bf14768d1119ea8cb0c9974432898f02385c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b857f019d8ea2ac21d17250e7057bf14768d1119ea8cb0c9974432898f02385c", kill_on_drop: false }` [INFO] [stdout] b857f019d8ea2ac21d17250e7057bf14768d1119ea8cb0c9974432898f02385c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9d5213ad5f5a3ddfac8a5fd75a9a2ee70883918724c3387bef3157bb0d70210a [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" "9d5213ad5f5a3ddfac8a5fd75a9a2ee70883918724c3387bef3157bb0d70210a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling memchr v2.4.1 [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 bitflags v1.3.2 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling encode_unicode v0.3.6 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling bstr v0.2.16 [INFO] [stderr] Compiling quote v1.0.9 [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] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 49.08s [INFO] running `Command { std: "docker" "inspect" "9d5213ad5f5a3ddfac8a5fd75a9a2ee70883918724c3387bef3157bb0d70210a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d5213ad5f5a3ddfac8a5fd75a9a2ee70883918724c3387bef3157bb0d70210a", kill_on_drop: false }` [INFO] [stdout] 9d5213ad5f5a3ddfac8a5fd75a9a2ee70883918724c3387bef3157bb0d70210a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", 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] d51459a0145d82d5adf37e705b4fe472e3532eea5c50690c4ec875f9ffa960c0 [INFO] running `Command { std: "docker" "start" "-a" "d51459a0145d82d5adf37e705b4fe472e3532eea5c50690c4ec875f9ffa960c0", kill_on_drop: false }` [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] [INFO] [stdout] [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] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.71s [INFO] running `Command { std: "docker" "inspect" "d51459a0145d82d5adf37e705b4fe472e3532eea5c50690c4ec875f9ffa960c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d51459a0145d82d5adf37e705b4fe472e3532eea5c50690c4ec875f9ffa960c0", kill_on_drop: false }` [INFO] [stdout] d51459a0145d82d5adf37e705b4fe472e3532eea5c50690c4ec875f9ffa960c0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 89fbc79ac0eda632061735d9cdb4809a8161fd7e6145a1303525126f21207802 [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" "89fbc79ac0eda632061735d9cdb4809a8161fd7e6145a1303525126f21207802", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: field is never read: `output` [INFO] [stderr] --> src/lib.rs:48:5 [INFO] [stderr] | [INFO] [stderr] 48 | output: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `word_counter` (lib) generated 1 warning [INFO] [stderr] warning: `word_counter` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/word_counter-88aa7b5bbeb29a25) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test tests::it_gets_searched_word ... ok [INFO] [stdout] test tests::it_gets_max_word ... ok [INFO] [stdout] test tests::it_sorts_hashmap ... ok [INFO] [stdout] test tests::it_gets_word_count ... ok [INFO] [stdout] test tests::it_gets_search_count ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/word_counter-6e8420920f27f53a) [INFO] [stderr] Doc-tests word_counter [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] [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] running `Command { std: "docker" "inspect" "89fbc79ac0eda632061735d9cdb4809a8161fd7e6145a1303525126f21207802", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89fbc79ac0eda632061735d9cdb4809a8161fd7e6145a1303525126f21207802", kill_on_drop: false }` [INFO] [stdout] 89fbc79ac0eda632061735d9cdb4809a8161fd7e6145a1303525126f21207802