[INFO] updating cached repository https://github.com/elycruz/rust-book [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 06bf9dee4b41112938f12b0e1f85ba803c4f563f [INFO] testing elycruz/rust-book against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felycruz%2Frust-book" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/elycruz/rust-book on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/elycruz/rust-book [INFO] finished tweaking git repo https://github.com/elycruz/rust-book [INFO] tweaked toml for git repo https://github.com/elycruz/rust-book written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/elycruz/rust-book already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 2f7d27acbc35e82e439d5e5f00b08c8c8ec532a942f9de6d2213d0d106740f48 [INFO] running `"docker" "start" "-a" "2f7d27acbc35e82e439d5e5f00b08c8c8ec532a942f9de6d2213d0d106740f48"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling getrandom v0.1.11 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling unicode-width v0.1.6 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling regex-syntax v0.6.11 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling c2-chacha v0.2.2 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand v0.7.0 [INFO] [stderr] Compiling regex v1.2.1 [INFO] [stderr] Compiling rust-book v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: function is never used: `maximum` [INFO] [stderr] --> chp8/main.rs:45:4 [INFO] [stderr] | [INFO] [stderr] 45 | fn maximum(xs: &Vec) -> Option<&T> { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: static is never used: `FIVE_O` [INFO] [stderr] --> chp3/fib_lib.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | static FIVE_O: f64 = 5.0; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: static is never used: `O_FIVE` [INFO] [stderr] --> chp3/fib_lib.rs:7:1 [INFO] [stderr] | [INFO] [stderr] 7 | static O_FIVE: f64 = 0.5; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_phi` [INFO] [stderr] --> chp3/fib_lib.rs:12:4 [INFO] [stderr] | [INFO] [stderr] 12 | fn get_phi() -> f64 { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `nth_fib` [INFO] [stderr] --> chp3/fib_lib.rs:31:8 [INFO] [stderr] | [INFO] [stderr] 31 | pub fn nth_fib(nth: i32) -> i64 { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `mean` [INFO] [stderr] --> chp8/mean_and_mode.rs:3:4 [INFO] [stderr] | [INFO] [stderr] 3 | fn mean(v: &Vec) -> f64 { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `mode` [INFO] [stderr] --> chp8/mean_and_mode.rs:11:4 [INFO] [stderr] | [INFO] [stderr] 11 | fn mode(vs: &Vec) -> f64 { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 36.72s [INFO] running `"docker" "inspect" "2f7d27acbc35e82e439d5e5f00b08c8c8ec532a942f9de6d2213d0d106740f48"` [INFO] running `"docker" "rm" "-f" "2f7d27acbc35e82e439d5e5f00b08c8c8ec532a942f9de6d2213d0d106740f48"` [INFO] [stdout] 2f7d27acbc35e82e439d5e5f00b08c8c8ec532a942f9de6d2213d0d106740f48 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stdout] a9709f871a76bf5a49cabdd3d8fab86afdbaddf5552883d68db54a4f95a6ff63 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "a9709f871a76bf5a49cabdd3d8fab86afdbaddf5552883d68db54a4f95a6ff63"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling rust-book v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> chp8/company_directory.rs:177:9 [INFO] [stderr] | [INFO] [stderr] 177 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.14s [INFO] running `"docker" "inspect" "a9709f871a76bf5a49cabdd3d8fab86afdbaddf5552883d68db54a4f95a6ff63"` [INFO] running `"docker" "rm" "-f" "a9709f871a76bf5a49cabdd3d8fab86afdbaddf5552883d68db54a4f95a6ff63"` [INFO] [stdout] a9709f871a76bf5a49cabdd3d8fab86afdbaddf5552883d68db54a4f95a6ff63 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 35dc1c39bd70980c11c70d8412eac415fdf9486d10fd9bb45ee92be966523161 [INFO] running `"docker" "start" "-a" "35dc1c39bd70980c11c70d8412eac415fdf9486d10fd9bb45ee92be966523161"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> chp8/company_directory.rs:177:9 [INFO] [stderr] | [INFO] [stderr] 177 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/chp1-202a6434b9b1ac1c [INFO] [stderr] Running /opt/rustwide/target/debug/deps/chp12_minigrep-75e8f89a794f95e9 [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test minigrep::tests::test_one_result ... ok [INFO] [stdout] test minigrep::tests::test_case_insensitive ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/chp2_guessing_game-3fe0e3a313098e94 [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test guessing_game_lib::tests::test_head_after_trimmed_and_to_lower ... ok [INFO] [stdout] test guessing_game_lib::tests::test_starts_with_yes_no_char ... ok [INFO] [stdout] test guessing_game_lib::tests::test_yes_no_to_bool ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/chp3_convert_temps-b4ec2c26cb209749 [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::test_to_farenheit ... ok [INFO] [stdout] test tests::test_to_celsius ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/chp3_fib-026c08467f2f6e5b [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test fib_lib::test::test_nth_fib ... ok [INFO] [stdout] test fib_lib::test::test_fib_i64 ... ok [INFO] [stderr] Running /opt/rustwide/target/debug/deps/chp3_nth_fib-7b82c5864d2567f5 [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test fib_lib::test::test_fib_i64 ... ok [INFO] [stderr] Running /opt/rustwide/target/debug/deps/chp3_twelve_days-60f239f83ee347bb [INFO] [stdout] test fib_lib::test::test_nth_fib ... ok [INFO] [stderr] Running /opt/rustwide/target/debug/deps/chp8-7a4babbbd3755126 [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_maximum ... ok [INFO] [stderr] Running /opt/rustwide/target/debug/deps/chp8_company_directory-b375d62acec5f2c8 [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test::test_add_dept_emp ... ok [INFO] [stderr] Running /opt/rustwide/target/debug/deps/chp8_mean_mode-994c18702e158021 [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test test::test_mean ... ok [INFO] [stderr] Running /opt/rustwide/target/debug/deps/chp8_piglatin-c0901e9204d49300 [INFO] [stdout] test test::test_mode ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test test::test_word_to_piglatin ... ok [INFO] [stdout] test test::test_line_to_piglatin ... ok [INFO] [stdout] test test::test_to_piglatin ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "35dc1c39bd70980c11c70d8412eac415fdf9486d10fd9bb45ee92be966523161"` [INFO] running `"docker" "rm" "-f" "35dc1c39bd70980c11c70d8412eac415fdf9486d10fd9bb45ee92be966523161"` [INFO] [stdout] 35dc1c39bd70980c11c70d8412eac415fdf9486d10fd9bb45ee92be966523161