[INFO] cloning repository https://github.com/FranklinChen/type-directed-tdd-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FranklinChen/type-directed-tdd-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFranklinChen%2Ftype-directed-tdd-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFranklinChen%2Ftype-directed-tdd-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e13d67be02773a1f7567ab041580d4b2e62b5d9
[INFO] checking FranklinChen/type-directed-tdd-rust against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFranklinChen%2Ftype-directed-tdd-rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FranklinChen/type-directed-tdd-rust on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FranklinChen/type-directed-tdd-rust
[INFO] finished tweaking git repo https://github.com/FranklinChen/type-directed-tdd-rust
[INFO] tweaked toml for git repo https://github.com/FranklinChen/type-directed-tdd-rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/FranklinChen/type-directed-tdd-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other binary targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a binary target:
[INFO] [stderr] 
[INFO] [stderr] * src/main.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autobins = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] [stderr] warning: path `src/fizzbuzz.rs` was erroneously implicitly accepted for binary `fizzbuzz`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded env_logger v0.3.4
[INFO] [stderr]   Downloaded thread_local v0.2.6
[INFO] [stderr]   Downloaded quickcheck v0.3.1
[INFO] [stderr]   Downloaded libc v0.2.15
[INFO] [stderr]   Downloaded regex-syntax v0.3.4
[INFO] [stderr]   Downloaded aho-corasick v0.5.2
[INFO] [stderr]   Downloaded regex v0.1.73
[INFO] [stderr]   Downloaded itertools v0.4.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb8b0845ac2db305b8d6a4d1631372ab1dc0f79053299a2d83e91efb86e0e058
[INFO] running `Command { std: "docker" "start" "-a" "bb8b0845ac2db305b8d6a4d1631372ab1dc0f79053299a2d83e91efb86e0e058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb8b0845ac2db305b8d6a4d1631372ab1dc0f79053299a2d83e91efb86e0e058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb8b0845ac2db305b8d6a4d1631372ab1dc0f79053299a2d83e91efb86e0e058", kill_on_drop: false }`
[INFO] [stdout] bb8b0845ac2db305b8d6a4d1631372ab1dc0f79053299a2d83e91efb86e0e058
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 477ee09b479d268cdc1284002b330062fa1c1442420a51c9f53c6967c8ca0d68
[INFO] running `Command { std: "docker" "start" "-a" "477ee09b479d268cdc1284002b330062fa1c1442420a51c9f53c6967c8ca0d68", kill_on_drop: false }`
[INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other binary targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a binary target:
[INFO] [stderr] 
[INFO] [stderr] * src/main.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autobins = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] [stderr] warning: path `src/fizzbuzz.rs` was erroneously implicitly accepted for binary `fizzbuzz`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]     Checking libc v0.2.15
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking regex-syntax v0.3.4
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking itertools v0.4.18
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking aho-corasick v0.5.2
[INFO] [stderr]     Checking thread_local v0.2.6
[INFO] [stderr]     Checking regex v0.1.73
[INFO] [stderr]     Checking env_logger v0.3.4
[INFO] [stderr]     Checking quickcheck v0.3.1
[INFO] [stderr]     Checking type-directed-tdd-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `option_utils`
[INFO] [stdout]  --> src/fizzbuzz.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use option_utils;
[INFO] [stdout]   |     ^^^^^^^^^^^^ no `option_utils` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `validation`
[INFO] [stdout]  --> src/fizzbuzz.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use validation;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     no `validation` in the root
[INFO] [stdout]   |     help: a similar name exists in the module (notice the capitalization): `Validation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `option_utils`
[INFO] [stdout]  --> src/fizzbuzz.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use option_utils;
[INFO] [stdout]   |     ^^^^^^^^^^^^ no `option_utils` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `divisor`
[INFO] [stdout]  --> src/fizzbuzz.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use divisor;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     no `divisor` in the root
[INFO] [stdout]   |     help: a similar name exists in the module: `Divisor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `validation`
[INFO] [stdout]  --> src/fizzbuzz.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use validation;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     no `validation` in the root
[INFO] [stdout]   |     help: a similar name exists in the module (notice the capitalization): `Validation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `divisor`
[INFO] [stdout]  --> src/fizzbuzz.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use divisor;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     no `divisor` in the root
[INFO] [stdout]   |     help: a similar name exists in the module: `Divisor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `quickcheck`
[INFO] [stdout]   --> src/fizzbuzz.rs:64:7
[INFO] [stdout]    |
[INFO] [stdout] 64 |   use quickcheck::TestResult;
[INFO] [stdout]    |       ^^^^^^^^^^ maybe a missing crate `quickcheck`?
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding `extern crate quickcheck` to use the `quickcheck` crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `fizzbuzz`
[INFO] [stdout]    --> src/fizzbuzz.rs:103:2
[INFO] [stdout]     |
[INFO] [stdout] 103 | }
[INFO] [stdout]     |  ^ consider adding a `main` function to `src/fizzbuzz.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: maybe a missing crate `quickcheck`?
[INFO] [stdout]   --> src/fizzbuzz.rs:98:7
[INFO] [stdout]    |
[INFO] [stdout] 98 |     ::quickcheck::quickcheck(
[INFO] [stdout]    |       ^^^^^^^^^^ maybe a missing crate `quickcheck`?
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding `extern crate quickcheck` to use the `quickcheck` crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/fizzbuzz.rs:43:16
[INFO] [stdout]    |
[INFO] [stdout] 43 |   if i % d_ref.get() == 0 {
[INFO] [stdout]    |                ^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432, E0601.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `type-directed-tdd-rust` (bin "fizzbuzz") due to 6 previous errors
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/fizzbuzz.rs:43:16
[INFO] [stdout]    |
[INFO] [stdout] 43 |   if i % d_ref.get() == 0 {
[INFO] [stdout]    |                ^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `TooBig` in this scope
[INFO] [stdout]   --> src/fizzbuzz.rs:72:29
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let expected = Err(vec![TooBig(101),
[INFO] [stdout]    |                             ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `TooSmall` in this scope
[INFO] [stdout]   --> src/fizzbuzz.rs:73:29
[INFO] [stdout]    |
[INFO] [stdout] 73 | ...                   TooSmall(-5),
[INFO] [stdout]    |                       ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `TooBig` in this scope
[INFO] [stdout]   --> src/fizzbuzz.rs:74:29
[INFO] [stdout]    |
[INFO] [stdout] 74 | ...                   TooBig(102)]);
[INFO] [stdout]    |                       ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0425, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `type-directed-tdd-rust` (bin "fizzbuzz" test) due to 10 previous errors
[INFO] running `Command { std: "docker" "inspect" "477ee09b479d268cdc1284002b330062fa1c1442420a51c9f53c6967c8ca0d68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "477ee09b479d268cdc1284002b330062fa1c1442420a51c9f53c6967c8ca0d68", kill_on_drop: false }`
[INFO] [stdout] 477ee09b479d268cdc1284002b330062fa1c1442420a51c9f53c6967c8ca0d68