[INFO] crate johnston 0.2.1 is already in cache [INFO] testing johnston-0.2.1 against beta-2020-07-24 for beta-1.46-1 [INFO] extracting crate johnston 0.2.1 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate johnston 0.2.1 on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate johnston 0.2.1 [INFO] finished tweaking crates.io crate johnston 0.2.1 [INFO] tweaked toml for crates.io crate johnston 0.2.1 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate crates.io crate johnston 0.2.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2293979fff7d6dc54229049f042a4c79710f2d0a92b5fd033dc03fd019a7cd01 [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" "2293979fff7d6dc54229049f042a4c79710f2d0a92b5fd033dc03fd019a7cd01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2293979fff7d6dc54229049f042a4c79710f2d0a92b5fd033dc03fd019a7cd01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2293979fff7d6dc54229049f042a4c79710f2d0a92b5fd033dc03fd019a7cd01", kill_on_drop: false }` [INFO] [stdout] 2293979fff7d6dc54229049f042a4c79710f2d0a92b5fd033dc03fd019a7cd01 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f7c4cf55f995d819d03956578a074ccd767968970c3c148c726c9d2472809ad1 [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" "f7c4cf55f995d819d03956578a074ccd767968970c3c148c726c9d2472809ad1", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling num-rational v0.2.3 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num v0.2.1 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling serde_json v1.0.48 [INFO] [stderr] Compiling johnston v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `factors` [INFO] [stdout] --> src/lib.rs:108:4 [INFO] [stdout] | [INFO] [stdout] 108 | fn factors(num: i32) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `prime` [INFO] [stdout] --> src/lib.rs:120:4 [INFO] [stdout] | [INFO] [stdout] 120 | fn prime(num: i32) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `power_of_two` [INFO] [stdout] --> src/lib.rs:130:4 [INFO] [stdout] | [INFO] [stdout] 130 | fn power_of_two(num: i32) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `gpf` [INFO] [stdout] --> src/lib.rs:134:4 [INFO] [stdout] | [INFO] [stdout] 134 | fn gpf(num: i32) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 35.53s [INFO] running `Command { std: "docker" "inspect" "f7c4cf55f995d819d03956578a074ccd767968970c3c148c726c9d2472809ad1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f7c4cf55f995d819d03956578a074ccd767968970c3c148c726c9d2472809ad1", kill_on_drop: false }` [INFO] [stdout] f7c4cf55f995d819d03956578a074ccd767968970c3c148c726c9d2472809ad1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] eab23e38b59b78813f686c3df9e2d1abe9c795029eb83045d50ca530d9dd5251 [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" "eab23e38b59b78813f686c3df9e2d1abe9c795029eb83045d50ca530d9dd5251", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling johnston v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `factors` [INFO] [stdout] --> src/lib.rs:108:4 [INFO] [stdout] | [INFO] [stdout] 108 | fn factors(num: i32) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `prime` [INFO] [stdout] --> src/lib.rs:120:4 [INFO] [stdout] | [INFO] [stdout] 120 | fn prime(num: i32) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `power_of_two` [INFO] [stdout] --> src/lib.rs:130:4 [INFO] [stdout] | [INFO] [stdout] 130 | fn power_of_two(num: i32) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `gpf` [INFO] [stdout] --> src/lib.rs:134:4 [INFO] [stdout] | [INFO] [stdout] 134 | fn gpf(num: i32) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.50s [INFO] running `Command { std: "docker" "inspect" "eab23e38b59b78813f686c3df9e2d1abe9c795029eb83045d50ca530d9dd5251", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eab23e38b59b78813f686c3df9e2d1abe9c795029eb83045d50ca530d9dd5251", kill_on_drop: false }` [INFO] [stdout] eab23e38b59b78813f686c3df9e2d1abe9c795029eb83045d50ca530d9dd5251 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", 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] 04978a7d7c5a0074163a6fc89fe19c90dd359886d56c14991b8fb517bd2eaa85 [INFO] running `Command { std: "docker" "start" "-a" "04978a7d7c5a0074163a6fc89fe19c90dd359886d56c14991b8fb517bd2eaa85", kill_on_drop: false }` [INFO] [stderr] warning: function is never used: `factors` [INFO] [stderr] --> src/lib.rs:108:4 [INFO] [stderr] | [INFO] [stderr] 108 | fn factors(num: i32) -> Vec { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `prime` [INFO] [stderr] --> src/lib.rs:120:4 [INFO] [stderr] | [INFO] [stderr] 120 | fn prime(num: i32) -> bool { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `power_of_two` [INFO] [stderr] --> src/lib.rs:130:4 [INFO] [stderr] | [INFO] [stderr] 130 | fn power_of_two(num: i32) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gpf` [INFO] [stderr] --> src/lib.rs:134:4 [INFO] [stderr] | [INFO] [stderr] 134 | fn gpf(num: i32) -> i32 { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/johnston-0f1c584a22131a32 [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test tests::factors_works ... ok [INFO] [stdout] test tests::cents_works ... ok [INFO] [stdout] test tests::power_of_two_works ... ok [INFO] [stdout] test tests::gpf_works ... ok [INFO] [stdout] test tests::prime_works ... ok [INFO] [stdout] test tests::walk_works ... ok [INFO] [stdout] test tests::flatten_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/smoke_test-68679c8a27351893 [INFO] [stdout] [INFO] [stderr] Doc-tests johnston [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 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "04978a7d7c5a0074163a6fc89fe19c90dd359886d56c14991b8fb517bd2eaa85", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04978a7d7c5a0074163a6fc89fe19c90dd359886d56c14991b8fb517bd2eaa85", kill_on_drop: false }` [INFO] [stdout] 04978a7d7c5a0074163a6fc89fe19c90dd359886d56c14991b8fb517bd2eaa85