[INFO] fetching crate johnston 0.2.1... [INFO] testing johnston-0.2.1 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] extracting crate johnston 0.2.1 into /workspace/builds/worker-15/source [INFO] validating manifest of crates.io crate johnston 0.2.1 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-15/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 937df9c05cbd0803f66c81b411277be9c73ba093e6400a02b61e0f7eedef38ba [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" "937df9c05cbd0803f66c81b411277be9c73ba093e6400a02b61e0f7eedef38ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "937df9c05cbd0803f66c81b411277be9c73ba093e6400a02b61e0f7eedef38ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "937df9c05cbd0803f66c81b411277be9c73ba093e6400a02b61e0f7eedef38ba", kill_on_drop: false }` [INFO] [stdout] 937df9c05cbd0803f66c81b411277be9c73ba093e6400a02b61e0f7eedef38ba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 016aa9d4023cdfccd2b94e5a91cee67d43fe8f34e6f19be66f298b823a3c031b [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" "016aa9d4023cdfccd2b94e5a91cee67d43fe8f34e6f19be66f298b823a3c031b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling serde_derive 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 21.49s [INFO] running `Command { std: "docker" "inspect" "016aa9d4023cdfccd2b94e5a91cee67d43fe8f34e6f19be66f298b823a3c031b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "016aa9d4023cdfccd2b94e5a91cee67d43fe8f34e6f19be66f298b823a3c031b", kill_on_drop: false }` [INFO] [stdout] 016aa9d4023cdfccd2b94e5a91cee67d43fe8f34e6f19be66f298b823a3c031b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9b23f6a2426d07cf7ff5093f3641cf0ee354081951a4864b73944c2ac202e128 [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" "9b23f6a2426d07cf7ff5093f3641cf0ee354081951a4864b73944c2ac202e128", kill_on_drop: false }` [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 0.82s [INFO] running `Command { std: "docker" "inspect" "9b23f6a2426d07cf7ff5093f3641cf0ee354081951a4864b73944c2ac202e128", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b23f6a2426d07cf7ff5093f3641cf0ee354081951a4864b73944c2ac202e128", kill_on_drop: false }` [INFO] [stdout] 9b23f6a2426d07cf7ff5093f3641cf0ee354081951a4864b73944c2ac202e128 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 62061c9b69496e9f9e4c7d670ee43d2e063d1902f8c7b45865e6a7b4740f29cf [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" "62061c9b69496e9f9e4c7d670ee43d2e063d1902f8c7b45865e6a7b4740f29cf", 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 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/johnston-4a27397861ba8b4d) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test tests::cents_works ... ok [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/smoke_test-54f609abeb96136b) [INFO] [stdout] test tests::gpf_works ... ok [INFO] [stdout] test tests::walk_works ... ok [INFO] [stdout] test tests::flatten_works ... ok [INFO] [stdout] test tests::power_of_two_works ... ok [INFO] [stdout] test tests::factors_works ... ok [INFO] [stdout] test tests::prime_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [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; 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" "62061c9b69496e9f9e4c7d670ee43d2e063d1902f8c7b45865e6a7b4740f29cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "62061c9b69496e9f9e4c7d670ee43d2e063d1902f8c7b45865e6a7b4740f29cf", kill_on_drop: false }` [INFO] [stdout] 62061c9b69496e9f9e4c7d670ee43d2e063d1902f8c7b45865e6a7b4740f29cf