[INFO] fetching crate jtd-infer 0.2.1...
[INFO] testing jtd-infer-0.2.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate jtd-infer 0.2.1 into /workspace/builds/worker-98/source
[INFO] validating manifest of crates.io crate jtd-infer 0.2.1 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 jtd-infer 0.2.1
[INFO] finished tweaking crates.io crate jtd-infer 0.2.1
[INFO] tweaked toml for crates.io crate jtd-infer 0.2.1 written to /workspace/builds/worker-98/source/Cargo.toml
[INFO] crate crates.io crate jtd-infer 0.2.1 already has a lockfile, it will not be regenerated
[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-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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] fa135eb69c1f70804ae7dabf932c3eab24bc56d07640852b5ba9dc8af28a821f
[INFO] running `Command { std: "docker" "start" "-a" "fa135eb69c1f70804ae7dabf932c3eab24bc56d07640852b5ba9dc8af28a821f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa135eb69c1f70804ae7dabf932c3eab24bc56d07640852b5ba9dc8af28a821f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa135eb69c1f70804ae7dabf932c3eab24bc56d07640852b5ba9dc8af28a821f", kill_on_drop: false }`
[INFO] [stdout] fa135eb69c1f70804ae7dabf932c3eab24bc56d07640852b5ba9dc8af28a821f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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] 8f4dc8be37e1c4d8a0658c181c825e96a7bedb76ee85b72a72ebbefb6bd168eb
[INFO] running `Command { std: "docker" "start" "-a" "8f4dc8be37e1c4d8a0658c181c825e96a7bedb76ee85b72a72ebbefb6bd168eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling jtd v0.3.1
[INFO] [stderr]    Compiling jtd-infer v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.62s
[INFO] running `Command { std: "docker" "inspect" "8f4dc8be37e1c4d8a0658c181c825e96a7bedb76ee85b72a72ebbefb6bd168eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f4dc8be37e1c4d8a0658c181c825e96a7bedb76ee85b72a72ebbefb6bd168eb", kill_on_drop: false }`
[INFO] [stdout] 8f4dc8be37e1c4d8a0658c181c825e96a7bedb76ee85b72a72ebbefb6bd168eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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] cabf3c39837ead3d9815125a7575231d41604dcae57afd5f2a12372dbd7c86e2
[INFO] running `Command { std: "docker" "start" "-a" "cabf3c39837ead3d9815125a7575231d41604dcae57afd5f2a12372dbd7c86e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling jtd-infer v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "cabf3c39837ead3d9815125a7575231d41604dcae57afd5f2a12372dbd7c86e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cabf3c39837ead3d9815125a7575231d41604dcae57afd5f2a12372dbd7c86e2", kill_on_drop: false }`
[INFO] [stdout] cabf3c39837ead3d9815125a7575231d41604dcae57afd5f2a12372dbd7c86e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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] c1e157036445e30b3762a8f49d02c0397d8f7a5a832db5bbd98954b660f6ee61
[INFO] running `Command { std: "docker" "start" "-a" "c1e157036445e30b3762a8f49d02c0397d8f7a5a832db5bbd98954b660f6ee61", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jtd_infer-f64739c752484735)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test hints::tests::hint_set ... ok
[INFO] [stdout] test hints::tests::hint_set_wildcard ... ok
[INFO] [stdout] test inferred_number::tests::inferred_number ... 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 unittests (/opt/rustwide/target/debug/deps/jtd_infer-9d78c7604e32b2ea)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jtd-infer
[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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/hints.rs - hints::HintSet::new (line 112) ... ok
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/hints.rs - hints::Hints (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.78s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c1e157036445e30b3762a8f49d02c0397d8f7a5a832db5bbd98954b660f6ee61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1e157036445e30b3762a8f49d02c0397d8f7a5a832db5bbd98954b660f6ee61", kill_on_drop: false }`
[INFO] [stdout] c1e157036445e30b3762a8f49d02c0397d8f7a5a832db5bbd98954b660f6ee61