[INFO] fetching crate challenge-prompt 0.2.0... [INFO] testing challenge-prompt-0.2.0 against beta-2021-01-01 for beta-1.50-1 [INFO] extracting crate challenge-prompt 0.2.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate challenge-prompt 0.2.0 on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded float-cmp v0.4.0 [INFO] [stderr] Downloaded assert_cmd v0.9.1 [INFO] [stderr] Downloaded predicates-core v0.9.0 [INFO] [stderr] Downloaded predicates v0.9.1 [INFO] [stderr] Downloaded predicates-tree v0.9.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ef8416f04f91422aa1cea9b8d386e789cd420a3d40dcfcd906d503cb5885bcf0 [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" "ef8416f04f91422aa1cea9b8d386e789cd420a3d40dcfcd906d503cb5885bcf0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ef8416f04f91422aa1cea9b8d386e789cd420a3d40dcfcd906d503cb5885bcf0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef8416f04f91422aa1cea9b8d386e789cd420a3d40dcfcd906d503cb5885bcf0", kill_on_drop: false }` [INFO] [stdout] ef8416f04f91422aa1cea9b8d386e789cd420a3d40dcfcd906d503cb5885bcf0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", 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] af9491c265697bc9c7e98b2095cc09bbccd0f4b6ea041516b8db313259a99f4b [INFO] running `Command { std: "docker" "start" "-a" "af9491c265697bc9c7e98b2095cc09bbccd0f4b6ea041516b8db313259a99f4b", 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 3.65s [INFO] running `Command { std: "docker" "inspect" "af9491c265697bc9c7e98b2095cc09bbccd0f4b6ea041516b8db313259a99f4b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af9491c265697bc9c7e98b2095cc09bbccd0f4b6ea041516b8db313259a99f4b", kill_on_drop: false }` [INFO] [stdout] af9491c265697bc9c7e98b2095cc09bbccd0f4b6ea041516b8db313259a99f4b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 102bb5041067933c713016cedb345485b714897683caeb42b257e5ce93f96d4c [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" "102bb5041067933c713016cedb345485b714897683caeb42b257e5ce93f96d4c", kill_on_drop: false }` [INFO] [stderr] Compiling escargot v0.3.1 [INFO] [stderr] Compiling predicates-core v0.9.0 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling treeline v0.1.0 [INFO] [stderr] Compiling normalize-line-endings v0.2.2 [INFO] [stderr] Compiling float-cmp v0.4.0 [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 serde v1.0.118 [INFO] [stderr] Compiling predicates-tree v0.9.0 [INFO] [stderr] Compiling predicates v0.9.1 [INFO] [stderr] Compiling serde_json v1.0.61 [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 13.76s [INFO] running `Command { std: "docker" "inspect" "102bb5041067933c713016cedb345485b714897683caeb42b257e5ce93f96d4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "102bb5041067933c713016cedb345485b714897683caeb42b257e5ce93f96d4c", kill_on_drop: false }` [INFO] [stdout] 102bb5041067933c713016cedb345485b714897683caeb42b257e5ce93f96d4c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3eeb5c53305883bd5369118481b95a0fe9c6c83c27743793356a2554077c5332 [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" "3eeb5c53305883bd5369118481b95a0fe9c6c83c27743793356a2554077c5332", kill_on_drop: false }` [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: 1 warning emitted [INFO] [stderr] [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: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/challenge_prompt-526768c06636ad56 [INFO] [stdout] running 3 tests [INFO] [stdout] test tests::phrase_challenge ... ok [INFO] [stdout] test tests::arithmetic_challenge ... ok [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 1.04s [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/challenge_prompt-c96a2667a114dd7c [INFO] [stderr] Doc-tests challenge-prompt [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] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - (line 19) ... ignored [INFO] [stdout] test src/lib.rs - (line 32) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.16s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "3eeb5c53305883bd5369118481b95a0fe9c6c83c27743793356a2554077c5332", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3eeb5c53305883bd5369118481b95a0fe9c6c83c27743793356a2554077c5332", kill_on_drop: false }` [INFO] [stdout] 3eeb5c53305883bd5369118481b95a0fe9c6c83c27743793356a2554077c5332