[INFO] fetching crate lambco-bicycle-book-wordcount 0.1.0... [INFO] testing lambco-bicycle-book-wordcount-0.1.0 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate lambco-bicycle-book-wordcount 0.1.0 into /workspace/builds/worker-33/source [INFO] validating manifest of crates.io crate lambco-bicycle-book-wordcount 0.1.0 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate lambco-bicycle-book-wordcount 0.1.0 [INFO] finished tweaking crates.io crate lambco-bicycle-book-wordcount 0.1.0 [INFO] tweaked toml for crates.io crate lambco-bicycle-book-wordcount 0.1.0 written to /workspace/builds/worker-33/source/Cargo.toml [INFO] crate crates.io crate lambco-bicycle-book-wordcount 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8e462f84d34b78c19ee460500a878da41ff84bb5398e7cced70acdffb7640a48 [INFO] running `Command { std: "docker" "start" "-a" "8e462f84d34b78c19ee460500a878da41ff84bb5398e7cced70acdffb7640a48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8e462f84d34b78c19ee460500a878da41ff84bb5398e7cced70acdffb7640a48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e462f84d34b78c19ee460500a878da41ff84bb5398e7cced70acdffb7640a48", kill_on_drop: false }` [INFO] [stdout] 8e462f84d34b78c19ee460500a878da41ff84bb5398e7cced70acdffb7640a48 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8f8effdf13dba11e40c76c339c420e4d406df40a9f66fdd18b742eb11edc3e29 [INFO] running `Command { std: "docker" "start" "-a" "8f8effdf13dba11e40c76c339c420e4d406df40a9f66fdd18b742eb11edc3e29", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling aho-corasick v0.7.10 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling lambco-bicycle-book-wordcount v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `regex::Regex` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use regex::Regex; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::BufRead` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::BufRead; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.52s [INFO] running `Command { std: "docker" "inspect" "8f8effdf13dba11e40c76c339c420e4d406df40a9f66fdd18b742eb11edc3e29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f8effdf13dba11e40c76c339c420e4d406df40a9f66fdd18b742eb11edc3e29", kill_on_drop: false }` [INFO] [stdout] 8f8effdf13dba11e40c76c339c420e4d406df40a9f66fdd18b742eb11edc3e29 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 840c84476bef0cca2b78bb73a62123e5e7d3d6b1e657a648987efd8812857f0e [INFO] running `Command { std: "docker" "start" "-a" "840c84476bef0cca2b78bb73a62123e5e7d3d6b1e657a648987efd8812857f0e", kill_on_drop: false }` [INFO] [stderr] Compiling lambco-bicycle-book-wordcount v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `regex::Regex` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use regex::Regex; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::BufRead` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::BufRead; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.77s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/lambco_bicycle_book_wordcount-ef8b42db205dac06) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/lambco_bicycle_book_wordcount-ca0ce1940101eb88) [INFO] running `Command { std: "docker" "inspect" "840c84476bef0cca2b78bb73a62123e5e7d3d6b1e657a648987efd8812857f0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "840c84476bef0cca2b78bb73a62123e5e7d3d6b1e657a648987efd8812857f0e", kill_on_drop: false }` [INFO] [stdout] 840c84476bef0cca2b78bb73a62123e5e7d3d6b1e657a648987efd8812857f0e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7484f7441183b9c3591ae94b275b1a37b6d694bb586b1d7cce64217a66b61c3c [INFO] running `Command { std: "docker" "start" "-a" "7484f7441183b9c3591ae94b275b1a37b6d694bb586b1d7cce64217a66b61c3c", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/lib.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `lambco-bicycle-book-wordcount` (lib) generated 1 warning [INFO] [stderr] warning: unused import: `regex::Regex` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use regex::Regex; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::BufRead` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::io::BufRead; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `lambco-bicycle-book-wordcount` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: `lambco-bicycle-book-wordcount` (bin "lambco-bicycle-book-wordcount" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lambco_bicycle_book_wordcount-ef8b42db205dac06) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test word_count_works ... ok [INFO] [stdout] test test::word_count_works3 ... ok [INFO] [stdout] test word_count_works2 ... ok [INFO] [stdout] test word_count_do_not_contain_unknown_words - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lambco_bicycle_book_wordcount-ca0ce1940101eb88) [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 lambco-bicycle-book-wordcount [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - count (line 37) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.55s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7484f7441183b9c3591ae94b275b1a37b6d694bb586b1d7cce64217a66b61c3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7484f7441183b9c3591ae94b275b1a37b6d694bb586b1d7cce64217a66b61c3c", kill_on_drop: false }` [INFO] [stdout] 7484f7441183b9c3591ae94b275b1a37b6d694bb586b1d7cce64217a66b61c3c