[INFO] fetching crate easy-utils 0.0.1...
[INFO] testing easy-utils-0.0.1 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate easy-utils 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate easy-utils 0.0.1 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09a46c0fd5d96e752ea6d2d07be385b763b4fb170cf57f4dc3ad2a698aefe08d
[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" "09a46c0fd5d96e752ea6d2d07be385b763b4fb170cf57f4dc3ad2a698aefe08d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09a46c0fd5d96e752ea6d2d07be385b763b4fb170cf57f4dc3ad2a698aefe08d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09a46c0fd5d96e752ea6d2d07be385b763b4fb170cf57f4dc3ad2a698aefe08d", kill_on_drop: false }`
[INFO] [stdout] 09a46c0fd5d96e752ea6d2d07be385b763b4fb170cf57f4dc3ad2a698aefe08d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] c31de267a80b1fc5aa0462ae8437c8f15d5be8a016553c8b331b3fba2912124d
[INFO] running `Command { std: "docker" "start" "-a" "c31de267a80b1fc5aa0462ae8437c8f15d5be8a016553c8b331b3fba2912124d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[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 3.90s
[INFO] running `Command { std: "docker" "inspect" "c31de267a80b1fc5aa0462ae8437c8f15d5be8a016553c8b331b3fba2912124d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c31de267a80b1fc5aa0462ae8437c8f15d5be8a016553c8b331b3fba2912124d", kill_on_drop: false }`
[INFO] [stdout] c31de267a80b1fc5aa0462ae8437c8f15d5be8a016553c8b331b3fba2912124d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 235185f24f2a299c4e440d9e6070d1af1ad528c5d197eedd0d474e1b9580ad6e
[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" "235185f24f2a299c4e440d9e6070d1af1ad528c5d197eedd0d474e1b9580ad6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling easy-utils v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "235185f24f2a299c4e440d9e6070d1af1ad528c5d197eedd0d474e1b9580ad6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "235185f24f2a299c4e440d9e6070d1af1ad528c5d197eedd0d474e1b9580ad6e", kill_on_drop: false }`
[INFO] [stdout] 235185f24f2a299c4e440d9e6070d1af1ad528c5d197eedd0d474e1b9580ad6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 06c6a7d1aa2602d3a26271e115e98b6ba61db5f711c2ef2156f4ea98ff679cc3
[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" "06c6a7d1aa2602d3a26271e115e98b6ba61db5f711c2ef2156f4ea98ff679cc3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/easy_utils-712eb1234dfbf729)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test random::tests::get_random_charset_string_test ... ok
[INFO] [stderr]    Doc-tests easy-utils
[INFO] [stdout] test random::tests::get_random_alphanumeric_string_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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 0.31s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "06c6a7d1aa2602d3a26271e115e98b6ba61db5f711c2ef2156f4ea98ff679cc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06c6a7d1aa2602d3a26271e115e98b6ba61db5f711c2ef2156f4ea98ff679cc3", kill_on_drop: false }`
[INFO] [stdout] 06c6a7d1aa2602d3a26271e115e98b6ba61db5f711c2ef2156f4ea98ff679cc3