[INFO] crate johnston 0.2.1 is already in cache
[INFO] testing johnston-0.2.1 against 1.44.0 for beta-1.45-1
[INFO] extracting crate johnston 0.2.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate johnston 0.2.1 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-11/source/Cargo.toml
[INFO] crate crates.io crate johnston 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] 5eb260f7f44787a45ae2f443f3311d6c0aa0bf77743ed267523e5691a5c09bf2
[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" "5eb260f7f44787a45ae2f443f3311d6c0aa0bf77743ed267523e5691a5c09bf2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.16
[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] [stderr] warning: function is never used: `factors`
[INFO] [stderr]    --> src/lib.rs:108:4
[INFO] [stderr]     |
[INFO] [stderr] 108 | fn factors(num: i32) -> Vec<i32> {
[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 dev [unoptimized + debuginfo] target(s) in 36.43s
[INFO] running `"docker" "inspect" "5eb260f7f44787a45ae2f443f3311d6c0aa0bf77743ed267523e5691a5c09bf2"`
[INFO] running `"docker" "rm" "-f" "5eb260f7f44787a45ae2f443f3311d6c0aa0bf77743ed267523e5691a5c09bf2"`
[INFO] [stdout] 5eb260f7f44787a45ae2f443f3311d6c0aa0bf77743ed267523e5691a5c09bf2
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 321eeae5c76f8bffc95ff742befe781ae8460ac535abe1bd8cf91f6853d0d724
[INFO] running `"docker" "start" "-a" "321eeae5c76f8bffc95ff742befe781ae8460ac535abe1bd8cf91f6853d0d724"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling johnston v0.2.1 (/opt/rustwide/workdir)
[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<i32> {
[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 1.58s
[INFO] running `"docker" "inspect" "321eeae5c76f8bffc95ff742befe781ae8460ac535abe1bd8cf91f6853d0d724"`
[INFO] running `"docker" "rm" "-f" "321eeae5c76f8bffc95ff742befe781ae8460ac535abe1bd8cf91f6853d0d724"`
[INFO] [stdout] 321eeae5c76f8bffc95ff742befe781ae8460ac535abe1bd8cf91f6853d0d724
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.44.0" "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] e4ec1f0b0537172f2321f30a98451072460b95a075b2cb6559bbd887946e62b8
[INFO] running `"docker" "start" "-a" "e4ec1f0b0537172f2321f30a98451072460b95a075b2cb6559bbd887946e62b8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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<i32> {
[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 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/johnston-3b0380eb2ae07b97
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/smoke_test-592b24701e39b400
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::cents_works ... ok
[INFO] [stdout] test tests::power_of_two_works ... ok
[INFO] [stdout] test tests::walk_works ... ok
[INFO] [stdout] test tests::prime_works ... ok
[INFO] [stdout] test tests::factors_works ... ok
[INFO] [stdout] test tests::gpf_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] [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] [stderr]    Doc-tests johnston
[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 `"docker" "inspect" "e4ec1f0b0537172f2321f30a98451072460b95a075b2cb6559bbd887946e62b8"`
[INFO] running `"docker" "rm" "-f" "e4ec1f0b0537172f2321f30a98451072460b95a075b2cb6559bbd887946e62b8"`
[INFO] [stdout] e4ec1f0b0537172f2321f30a98451072460b95a075b2cb6559bbd887946e62b8