[INFO] fetching crate easy-utils 0.0.1...
[INFO] testing easy-utils-0.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate easy-utils 0.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate easy-utils 0.0.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate easy-utils 0.0.1
[INFO] finished tweaking crates.io crate easy-utils 0.0.1
[INFO] tweaked toml for crates.io crate easy-utils 0.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6af12ac3db6d4c7d3a24289f5402df4b796a0af9f721a75b7055e473be844569
[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" "6af12ac3db6d4c7d3a24289f5402df4b796a0af9f721a75b7055e473be844569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6af12ac3db6d4c7d3a24289f5402df4b796a0af9f721a75b7055e473be844569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6af12ac3db6d4c7d3a24289f5402df4b796a0af9f721a75b7055e473be844569", kill_on_drop: false }`
[INFO] [stdout] 6af12ac3db6d4c7d3a24289f5402df4b796a0af9f721a75b7055e473be844569
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6262290836075cf534e161f5aa53c42fc4f5305be2c82d3575a69d2ce39e9db
[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" "e6262290836075cf534e161f5aa53c42fc4f5305be2c82d3575a69d2ce39e9db", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling easy-utils v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "e6262290836075cf534e161f5aa53c42fc4f5305be2c82d3575a69d2ce39e9db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6262290836075cf534e161f5aa53c42fc4f5305be2c82d3575a69d2ce39e9db", kill_on_drop: false }`
[INFO] [stdout] e6262290836075cf534e161f5aa53c42fc4f5305be2c82d3575a69d2ce39e9db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ac50c1fea66445ccdab0a9424f48189518dab58a466dc659f42a53bc2ff0867
[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" "0ac50c1fea66445ccdab0a9424f48189518dab58a466dc659f42a53bc2ff0867", kill_on_drop: false }`
[INFO] [stderr]    Compiling easy-utils v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "0ac50c1fea66445ccdab0a9424f48189518dab58a466dc659f42a53bc2ff0867", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ac50c1fea66445ccdab0a9424f48189518dab58a466dc659f42a53bc2ff0867", kill_on_drop: false }`
[INFO] [stdout] 0ac50c1fea66445ccdab0a9424f48189518dab58a466dc659f42a53bc2ff0867
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 55913193673ec296d2979db66cbdb1be238190198124d46e29d8fa9e057473de
[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" "55913193673ec296d2979db66cbdb1be238190198124d46e29d8fa9e057473de", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/easy_utils-8792fe03ee3adaaa)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test random::tests::get_random_alphanumeric_string_test ... ok
[INFO] [stdout] test random::tests::get_random_charset_string_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests easy-utils
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/random.rs - random::get_random_charset_string (line 8) ... FAILED
[INFO] [stdout] test src/random.rs - random::get_random_alphanumeric_string (line 34) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/random.rs - random::get_random_charset_string (line 8) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rust_utils`
[INFO] [stdout]  --> src/random.rs:13:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | let password = rust_utils::random::get_random_charset_string(PASSWORD_LEN, CHARSET);
[INFO] [stdout]   |                ^^^^^^^^^^ use of undeclared crate or module `rust_utils`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/random.rs - random::get_random_alphanumeric_string (line 34) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rust_utils`
[INFO] [stdout]  --> src/random.rs:39:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | let password = rust_utils::random::get_random_alphanumeric_string(PASSWORD_LEN);
[INFO] [stdout]   |                ^^^^^^^^^^ use of undeclared crate or module `rust_utils`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/random.rs - random::get_random_alphanumeric_string (line 34)
[INFO] [stdout]     src/random.rs - random::get_random_charset_string (line 8)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "55913193673ec296d2979db66cbdb1be238190198124d46e29d8fa9e057473de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55913193673ec296d2979db66cbdb1be238190198124d46e29d8fa9e057473de", kill_on_drop: false }`
[INFO] [stdout] 55913193673ec296d2979db66cbdb1be238190198124d46e29d8fa9e057473de