[INFO] fetching crate funtools 0.2.0...
[INFO] testing funtools-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate funtools 0.2.0 into /workspace/builds/worker-41/source
[INFO] validating manifest of crates.io crate funtools 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 funtools 0.2.0
[INFO] finished tweaking crates.io crate funtools 0.2.0
[INFO] tweaked toml for crates.io crate funtools 0.2.0 written to /workspace/builds/worker-41/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] 1966e36f5288ac90e81e7667576044c83851b7a3918a5c27464b1f5d83e032b6
[INFO] running `Command { std: "docker" "start" "-a" "1966e36f5288ac90e81e7667576044c83851b7a3918a5c27464b1f5d83e032b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1966e36f5288ac90e81e7667576044c83851b7a3918a5c27464b1f5d83e032b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1966e36f5288ac90e81e7667576044c83851b7a3918a5c27464b1f5d83e032b6", kill_on_drop: false }`
[INFO] [stdout] 1966e36f5288ac90e81e7667576044c83851b7a3918a5c27464b1f5d83e032b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] a5cbe22d321ee84cb887f2385c8a2b0bd548107d00c47a053ac0ee91e4e07503
[INFO] running `Command { std: "docker" "start" "-a" "a5cbe22d321ee84cb887f2385c8a2b0bd548107d00c47a053ac0ee91e4e07503", kill_on_drop: false }`
[INFO] [stderr]    Compiling funtools v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "a5cbe22d321ee84cb887f2385c8a2b0bd548107d00c47a053ac0ee91e4e07503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5cbe22d321ee84cb887f2385c8a2b0bd548107d00c47a053ac0ee91e4e07503", kill_on_drop: false }`
[INFO] [stdout] a5cbe22d321ee84cb887f2385c8a2b0bd548107d00c47a053ac0ee91e4e07503
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] 6f67c10e121c916c69cc33ae9a7d1b80839e1e5bb10eb62cb931f974618186c7
[INFO] running `Command { std: "docker" "start" "-a" "6f67c10e121c916c69cc33ae9a7d1b80839e1e5bb10eb62cb931f974618186c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling funtools v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "6f67c10e121c916c69cc33ae9a7d1b80839e1e5bb10eb62cb931f974618186c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f67c10e121c916c69cc33ae9a7d1b80839e1e5bb10eb62cb931f974618186c7", kill_on_drop: false }`
[INFO] [stdout] 6f67c10e121c916c69cc33ae9a7d1b80839e1e5bb10eb62cb931f974618186c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] [stdout] 584553bbcbc49d54f1896f4c2858bf8cdd5a41c229a7bf09f9047c4aea4615bd
[INFO] running `Command { std: "docker" "start" "-a" "584553bbcbc49d54f1896f4c2858bf8cdd5a41c229a7bf09f9047c4aea4615bd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/funtools-a143a6714a10fbff)
[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] [stderr]      Running tests/fibonacci_test.rs (/opt/rustwide/target/debug/deps/fibonacci_test-82d7ed53c2666e45)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test fibonacci_100 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/leonardo_test.rs (/opt/rustwide/target/debug/deps/leonardo_test-d02aa8d2f1998a39)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test leonardo_100 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lucas_test.rs (/opt/rustwide/target/debug/deps/lucas_test-371fb22b70a293e2)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lucas_100 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/prime_test.rs (/opt/rustwide/target/debug/deps/prime_test-738db6fcd3dc2708)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test prime_100 ... ok
[INFO] [stdout] test ten_primes_after_9000 ... ok
[INFO] [stdout] test last_prime_number_10000 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tribonacci_test.rs (/opt/rustwide/target/debug/deps/tribonacci_test-7e889da1fa76af31)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tribonacci_100 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests funtools
[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" "584553bbcbc49d54f1896f4c2858bf8cdd5a41c229a7bf09f9047c4aea4615bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "584553bbcbc49d54f1896f4c2858bf8cdd5a41c229a7bf09f9047c4aea4615bd", kill_on_drop: false }`
[INFO] [stdout] 584553bbcbc49d54f1896f4c2858bf8cdd5a41c229a7bf09f9047c4aea4615bd