[INFO] fetching crate rustyard 0.6.0...
[INFO] testing rustyard-0.6.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate rustyard 0.6.0 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate rustyard 0.6.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustyard 0.6.0
[INFO] finished tweaking crates.io crate rustyard 0.6.0
[INFO] tweaked toml for crates.io crate rustyard 0.6.0 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2dfe2156c98f4c3fa4f46c63d620a195f4adbfdbd063f810d674a41bebc0dea
[INFO] running `Command { std: "docker" "start" "-a" "f2dfe2156c98f4c3fa4f46c63d620a195f4adbfdbd063f810d674a41bebc0dea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2dfe2156c98f4c3fa4f46c63d620a195f4adbfdbd063f810d674a41bebc0dea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2dfe2156c98f4c3fa4f46c63d620a195f4adbfdbd063f810d674a41bebc0dea", kill_on_drop: false }`
[INFO] [stdout] f2dfe2156c98f4c3fa4f46c63d620a195f4adbfdbd063f810d674a41bebc0dea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71725cc359a7f4b19b2502a4392a63f1101111a226443167c535bb94b3767c46
[INFO] running `Command { std: "docker" "start" "-a" "71725cc359a7f4b19b2502a4392a63f1101111a226443167c535bb94b3767c46", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustyard v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "71725cc359a7f4b19b2502a4392a63f1101111a226443167c535bb94b3767c46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71725cc359a7f4b19b2502a4392a63f1101111a226443167c535bb94b3767c46", kill_on_drop: false }`
[INFO] [stdout] 71725cc359a7f4b19b2502a4392a63f1101111a226443167c535bb94b3767c46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a66a1f1be38a224d3400f8e22de147e74c3f4855a62c99086a4faef7018e24ba
[INFO] running `Command { std: "docker" "start" "-a" "a66a1f1be38a224d3400f8e22de147e74c3f4855a62c99086a4faef7018e24ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustyard v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "a66a1f1be38a224d3400f8e22de147e74c3f4855a62c99086a4faef7018e24ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a66a1f1be38a224d3400f8e22de147e74c3f4855a62c99086a4faef7018e24ba", kill_on_drop: false }`
[INFO] [stdout] a66a1f1be38a224d3400f8e22de147e74c3f4855a62c99086a4faef7018e24ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 81f55fb61f4d3673fe086cb3585e8fe4cbc8bfba05bc6f33948c72c67d64c02b
[INFO] running `Command { std: "docker" "start" "-a" "81f55fb61f4d3673fe086cb3585e8fe4cbc8bfba05bc6f33948c72c67d64c02b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustyard-fdab30d20fb34621)
[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/addition.rs (/opt/rustwide/target/debug/deps/addition-a9a1587d71ab8c84)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running tests/division.rs (/opt/rustwide/target/debug/deps/division-d4c308c7f5462ad6)
[INFO] [stdout] test can_add_floating_point_numbers ... ok
[INFO] [stdout] test can_add_two_numbers ... 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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running tests/errors.rs (/opt/rustwide/target/debug/deps/errors-53a3bf973033d196)
[INFO] [stdout] test can_divide_floating_point_numbers ... ok
[INFO] [stdout] test can_divide_two_numbers ... 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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test can_detect_unbalanced_parenthesis ... ok
[INFO] [stdout] test can_detect_unknown_identifiers ... 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]      Running tests/functions.rs (/opt/rustwide/target/debug/deps/functions-e88a69137ce22379)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test can_call_function_after ... ok
[INFO] [stdout] test can_call_function_before ... ok
[INFO] [stdout] test can_call_nested_functions ... 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/multi-expression.rs (/opt/rustwide/target/debug/deps/multi_expression-28ab882fa59839a9)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test can_calculate_twice_with_single_instance ... 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/multiplication.rs (/opt/rustwide/target/debug/deps/multiplication-ced83b91903aef0e)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running tests/negative_numbers.rs (/opt/rustwide/target/debug/deps/negative_numbers-410faaabfb792ec0)
[INFO] [stdout] test can_multiply_two_numbers ... ok
[INFO] [stdout] test can_multiply_floating_point_numbers ... 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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test can_add_two_negative_numbers ... ok
[INFO] [stdout] test can_divide_two_negative_numbers ... ok
[INFO] [stdout] test can_multiply_two_negative_numbers ... ok
[INFO] [stdout] test can_subtract_two_negative_numbers ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/order_of_operations.rs (/opt/rustwide/target/debug/deps/order_of_operations-93dadc487f44171c)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test divide_before_add ... ok
[INFO] [stdout] test divide_before_subtract ... ok
[INFO] [stdout] test multiply_before_add ... ok
[INFO] [stdout] test multiply_before_subtract ... ok
[INFO] [stdout] test parenthesis_overrides_divide_before_add ... ok
[INFO] [stdout] test parenthesis_overrides_divide_before_subtract ... ok
[INFO] [stdout] test parenthesis_overrides_multiply_before_add ... ok
[INFO] [stdout] test parenthesis_overrides_multiply_before_subtract ... ok
[INFO] [stdout] test parenthesis_overrides_powers_before_everything ... ok
[INFO] [stdout] test powers_before_everything ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/powers.rs (/opt/rustwide/target/debug/deps/powers-ab883b40f75ed1e1)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test can_raise_to_a_power ... 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/subtraction.rs (/opt/rustwide/target/debug/deps/subtraction-7cc67bb4fa055c70)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test can_subtract_floating_point_numbers ... ok
[INFO] [stdout] test can_subtract_two_numbers ... 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]      Running tests/wikipedia.rs (/opt/rustwide/target/debug/deps/wikipedia-51ae39556c6f9ae0)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test wikipedia_one ... ok
[INFO] [stdout] test wikipedia_two ... 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 rustyard
[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" "81f55fb61f4d3673fe086cb3585e8fe4cbc8bfba05bc6f33948c72c67d64c02b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81f55fb61f4d3673fe086cb3585e8fe4cbc8bfba05bc6f33948c72c67d64c02b", kill_on_drop: false }`
[INFO] [stdout] 81f55fb61f4d3673fe086cb3585e8fe4cbc8bfba05bc6f33948c72c67d64c02b