[INFO] fetching crate challenge-prompt 0.2.0... [INFO] testing challenge-prompt-0.2.0 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate challenge-prompt 0.2.0 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate challenge-prompt 0.2.0 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate challenge-prompt 0.2.0 [INFO] finished tweaking crates.io crate challenge-prompt 0.2.0 [INFO] tweaked toml for crates.io crate challenge-prompt 0.2.0 written to /workspace/builds/worker-13/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded predicates-tree v0.9.0 [INFO] [stderr] Downloaded predicates-core v0.9.0 [INFO] [stderr] Downloaded predicates v0.9.1 [INFO] [stderr] Downloaded assert_cmd v0.9.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 08ab8779a38c0673376d6ecfbca896125455dd719750d3e89f0d1acc5ca26916 [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" "08ab8779a38c0673376d6ecfbca896125455dd719750d3e89f0d1acc5ca26916", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "08ab8779a38c0673376d6ecfbca896125455dd719750d3e89f0d1acc5ca26916", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "08ab8779a38c0673376d6ecfbca896125455dd719750d3e89f0d1acc5ca26916", kill_on_drop: false }` [INFO] [stdout] 08ab8779a38c0673376d6ecfbca896125455dd719750d3e89f0d1acc5ca26916 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 12ebc0f770f3fc8eb89c760b09e224ee532dc443db7fba60bed46ed0bc38da77 [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" "12ebc0f770f3fc8eb89c760b09e224ee532dc443db7fba60bed46ed0bc38da77", kill_on_drop: false }` [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling challenge-prompt v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/lib.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 40 | extern crate rand; [INFO] [stdout] | ------------------ the item `rand` is already imported here [INFO] [stdout] ... [INFO] [stdout] 55 | use rand; [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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.09s [INFO] running `Command { std: "docker" "inspect" "12ebc0f770f3fc8eb89c760b09e224ee532dc443db7fba60bed46ed0bc38da77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12ebc0f770f3fc8eb89c760b09e224ee532dc443db7fba60bed46ed0bc38da77", kill_on_drop: false }` [INFO] [stdout] 12ebc0f770f3fc8eb89c760b09e224ee532dc443db7fba60bed46ed0bc38da77 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3bc3a2e77f9e4aa11c78b15dfb3847abe3810a3d847d8083daf9bbbd84c18c9a [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" "3bc3a2e77f9e4aa11c78b15dfb3847abe3810a3d847d8083daf9bbbd84c18c9a", kill_on_drop: false }` [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/lib.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 40 | extern crate rand; [INFO] [stdout] | ------------------ the item `rand` is already imported here [INFO] [stdout] ... [INFO] [stdout] 55 | use rand; [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] [stderr] Compiling escargot v0.3.1 [INFO] [stderr] Compiling predicates-core v0.9.0 [INFO] [stderr] Compiling treeline v0.1.0 [INFO] [stderr] Compiling normalize-line-endings v0.2.2 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling float-cmp v0.4.0 [INFO] [stderr] Compiling serde_json v1.0.67 [INFO] [stderr] Compiling predicates-tree v0.9.0 [INFO] [stderr] Compiling predicates v0.9.1 [INFO] [stderr] Compiling assert_cmd v0.9.1 [INFO] [stderr] Compiling challenge-prompt v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/lib.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 40 | extern crate rand; [INFO] [stdout] | ------------------ the item `rand` is already imported here [INFO] [stdout] ... [INFO] [stdout] 55 | use rand; [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] [stderr] Finished test [unoptimized + debuginfo] target(s) in 14.16s [INFO] running `Command { std: "docker" "inspect" "3bc3a2e77f9e4aa11c78b15dfb3847abe3810a3d847d8083daf9bbbd84c18c9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3bc3a2e77f9e4aa11c78b15dfb3847abe3810a3d847d8083daf9bbbd84c18c9a", kill_on_drop: false }` [INFO] [stdout] 3bc3a2e77f9e4aa11c78b15dfb3847abe3810a3d847d8083daf9bbbd84c18c9a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 501d3139e3056a24db30646a74a5798b058ea969ba8bb97ac065b6b70e441e02 [INFO] running `Command { std: "docker" "start" "-a" "501d3139e3056a24db30646a74a5798b058ea969ba8bb97ac065b6b70e441e02", kill_on_drop: false }` [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stderr] warning: the item `rand` is imported redundantly [INFO] [stderr] --> src/lib.rs:55:13 [INFO] [stderr] | [INFO] [stderr] 40 | extern crate rand; [INFO] [stderr] | ------------------ the item `rand` is already imported here [INFO] [stderr] ... [INFO] [stderr] 55 | use rand; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `challenge-prompt` (lib) generated 1 warning [INFO] [stderr] warning: `challenge-prompt` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/challenge_prompt-0d486df80bc59a4d) [INFO] [stdout] test tests::phrase_challenge ... ok [INFO] [stdout] test tests::arithmetic_challenge ... ok [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/challenge_prompt-3e2b32d457c48ca8) [INFO] [stdout] test tests::yes_no_challenge ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.62s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stderr] Doc-tests challenge-prompt [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 2 tests [INFO] [stdout] test src/lib.rs - (line 19) ... ignored [INFO] [stdout] test src/lib.rs - (line 32) - compile ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.11s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "501d3139e3056a24db30646a74a5798b058ea969ba8bb97ac065b6b70e441e02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "501d3139e3056a24db30646a74a5798b058ea969ba8bb97ac065b6b70e441e02", kill_on_drop: false }` [INFO] [stdout] 501d3139e3056a24db30646a74a5798b058ea969ba8bb97ac065b6b70e441e02